/* ===================================
   app.css - Heritage Tree
   Light Modern Theme with Theme System
   =================================== */

/* ===================================
   CSS Custom Properties (Theme System)
   =================================== */

body {
    /* Canvas defaults (clean theme) */
    --canvas-bg: #fafafa;
    --canvas-g1: transparent;
    --canvas-g2: transparent;
    --canvas-g3: transparent;
    --canvas-border: #e5e5e5;
    --canvas-inset: transparent;
    --grid-color: rgba(0, 0, 0, 0.06);
    --grid-accent: rgba(0, 0, 0, 0.15);

    /* Node defaults (card style) */
    --node-bg: #ffffff;
    --node-border: #e0e0e0;
    --node-text: #1a1a1a;
    --node-text-secondary: #555555;
    --node-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --node-blur: 0;

    /* UI chrome */
    --ui-bg: #ffffff;
    --ui-bg-hover: #f5f5f5;
    --ui-border: #e5e5e5;
    --ui-border-hover: #d0d0d0;
    --accent: #8b6914;
    --accent-hover: #a07a1a;
    --accent-light: rgba(139, 105, 20, 0.08);
    --accent-border: rgba(139, 105, 20, 0.25);
    --text-primary: #1a1a1a;
    --text-secondary: #6b6b6b;
    --text-muted: #999999;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* Canvas Themes */
body[data-canvas="parchment"] {
    --canvas-bg: #f9f5ea;
    --canvas-g1: radial-gradient(circle at 20% 80%, rgba(160, 120, 60, 0.06) 0%, transparent 50%);
    --canvas-g2: radial-gradient(circle at 80% 20%, rgba(120, 100, 80, 0.04) 0%, transparent 50%);
    --canvas-g3: radial-gradient(circle at 50% 50%, rgba(160, 120, 60, 0.03) 0%, transparent 70%);
    --canvas-border: #ddd5c0;
    --grid-color: rgba(139, 100, 40, 0.08);
    --grid-accent: rgba(160, 120, 60, 0.2);
}

body[data-canvas="clean"] {
    --canvas-bg: #fafafa;
    --canvas-g1: radial-gradient(circle at 20% 80%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
    --canvas-g2: radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
    --canvas-g3: transparent;
    --canvas-border: #e5e5e5;
    --grid-color: rgba(0, 0, 0, 0.06);
    --grid-accent: rgba(0, 0, 0, 0.15);
}

body[data-canvas="linen"] {
    --canvas-bg: #f3ede4;
    --canvas-g1: radial-gradient(circle at 30% 70%, rgba(180, 160, 120, 0.05) 0%, transparent 50%);
    --canvas-g2: radial-gradient(circle at 70% 30%, rgba(150, 130, 100, 0.04) 0%, transparent 50%);
    --canvas-g3: radial-gradient(circle at 50% 50%, rgba(180, 160, 120, 0.02) 0%, transparent 70%);
    --canvas-border: #ddd5c8;
    --grid-color: rgba(120, 100, 70, 0.07);
    --grid-accent: rgba(140, 110, 60, 0.18);
}

/* Node Styles */
body[data-node="card"] {
    --node-bg: #ffffff;
    --node-border: #e0e0e0;
    --node-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --node-blur: 0;
}

body[data-node="glass"] {
    --node-bg: rgba(255, 255, 255, 0.6);
    --node-border: rgba(255, 255, 255, 0.5);
    --node-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --node-blur: 12px;
}

body[data-node="minimal"] {
    --node-bg: #ffffff;
    --node-border: #d0d0d0;
    --node-shadow: none;
    --node-blur: 0;
}

body[data-node="bordered"] {
    --node-bg: #ffffff;
    --node-border: #e0e0e0;
    --node-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
    --node-blur: 0;
}

body[data-node="vintage"] {
    --node-bg: #fdf6e3;
    --node-border: #d4c5a0;
    --node-shadow: 0 2px 8px rgba(160, 140, 100, 0.12);
    --node-blur: 0;
}

body[data-node="modern"] {
    --node-bg: #ffffff;
    --node-border: #e8e8e8;
    --node-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
    --node-blur: 0;
}

/* ===================================
   Reset & Base
   =================================== */

:root {
    color-scheme: light only;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--canvas-bg, #fafafa);
    overflow: hidden;
    position: relative;
    color: var(--text-primary);
    touch-action: manipulation;
}

.toolbar, .login-header, .modal, .overlay, .context-menu,
.cloud-manager, .shortcuts-modal, .drawing-controls { touch-action: auto; }

/* ===================================
   Login Header
   =================================== */

.login-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 20px;
    border-bottom: 1px solid var(--ui-border);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
    z-index: 2000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.login-form {
    display: flex;
    align-items: center;
    gap: 10px;
}

.login-form input {
    padding: 8px 12px;
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    background: var(--ui-bg-hover);
    font-size: 14px;
    width: 150px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--ui-bg);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.login-form input::placeholder {
    color: var(--text-muted);
}

.login-form button {
    padding: 8px 20px;
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    font-weight: 500;
}

.login-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(180, 140, 80, 0.3);
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%);
}

.user-info .username {
    font-weight: 600;
    color: var(--text-primary);
}

.user-info .access-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.access-badge.admin {
    background: linear-gradient(135deg, #b48c50, #8a6b3a);
    color: #fff;
}

.access-badge.user,
.access-badge.editor {
    background: linear-gradient(135deg, #5a7a9a, #4a6a8a);
    color: #fff;
}

.access-badge.requestor {
    background: linear-gradient(135deg, #7a6a3a, #5a4a2a);
    color: #fff;
}

.access-badge.owner {
    background: linear-gradient(135deg, #8b1a1a, #6b0a0a);
    color: #fff;
}

.access-badge.guest {
    background: var(--ui-bg-hover);
    color: var(--text-muted);
    border: 1px solid var(--ui-border);
}

/* Request Access Button (header) */
.request-access-btn {
    background: linear-gradient(135deg, #b48c50, #8a6b3a);
    color: #fff;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
}
.request-access-btn:hover { opacity: 0.85; }

/* Request Access Modal */
.request-access-modal { max-width: 440px; }
.request-access-modal .form-select {
    width: 100%;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--ui-border);
    background: var(--ui-bg);
    color: var(--text-primary);
    font-size: 13px;
}
.request-status {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 13px;
}
.request-status.pending {
    background: rgba(180, 140, 80, 0.15);
    border: 1px solid rgba(180, 140, 80, 0.3);
    color: var(--text-primary);
}

/* Admin Panel Modal */
.admin-panel-modal { max-width: 680px; max-height: 80vh; overflow-y: auto; }
.admin-panel-modal h3 { display: flex; justify-content: space-between; align-items: center; }
.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--ui-border);
}
.admin-tab {
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.admin-tab:hover { color: var(--text-primary); }

.admin-request-card {
    background: var(--ui-bg);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 10px;
}
.admin-request-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.admin-request-header .access-badge { font-size: 10px; padding: 2px 8px; }
.admin-request-message {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
    padding: 8px;
    background: var(--ui-bg-hover);
    border-radius: 6px;
}
.admin-request-meta { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; }
.admin-request-actions { display: flex; gap: 8px; }
.admin-request-actions .modal-btn { padding: 6px 16px; font-size: 12px; }

.admin-users-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-users-table th {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 2px solid var(--ui-border);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
}
.admin-users-table td { padding: 8px 10px; border-bottom: 1px solid var(--ui-border); }
.admin-role-select {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--ui-border);
    background: var(--ui-bg);
    color: var(--text-primary);
    font-size: 12px;
}
.btn-sm { padding: 4px 10px !important; font-size: 11px !important; }

/* ===================================
   Header Layout (3-section: Brand | Nav | User)
   =================================== */

.user-info {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

.header-brand svg {
    stroke: var(--accent);
    flex-shrink: 0;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* ===================================
   Header Dropdown System
   =================================== */

.header-dropdown {
    position: relative;
}

.dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
}

.dropdown-trigger:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent-border);
}

.dropdown-trigger svg {
    transition: transform 0.2s ease;
}

.header-dropdown.open .dropdown-trigger {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent-border);
}

.header-dropdown.open .dropdown-trigger svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--ui-bg);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
    padding: 4px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
}

.header-dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}

.dropdown-item:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.dropdown-item svg {
    flex-shrink: 0;
    opacity: 0.5;
}

.dropdown-item:hover svg {
    opacity: 1;
    stroke: var(--accent);
}

.dropdown-badge {
    margin-left: auto;
    background: var(--accent);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.admin-badge {
    background: #dc3232;
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
    margin-left: 2px;
}

/* ===================================
   Sign-In Dropdown
   =================================== */

.sign-in-trigger {
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%) !important;
    color: #fff !important;
    border: none !important;
    padding: 7px 18px !important;
    font-weight: 600 !important;
}

.sign-in-trigger:hover {
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%) !important;
    box-shadow: 0 4px 15px rgba(180, 140, 80, 0.3);
    transform: translateY(-1px);
}

.sign-in-trigger svg {
    stroke: #fff !important;
}

.sign-in-menu {
    right: 0;
    left: auto;
    min-width: 260px;
    padding: 16px !important;
}

.sign-in-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sign-in-input {
    padding: 10px 12px;
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    background: var(--ui-bg-hover);
    font-size: 14px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.2s ease;
    width: 100%;
}

.sign-in-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--ui-bg);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.sign-in-input::placeholder {
    color: var(--text-muted);
}

.sign-in-submit {
    padding: 10px;
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
    transition: all 0.2s ease;
}

.sign-in-submit:hover {
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%);
    box-shadow: 0 4px 12px rgba(180, 140, 80, 0.3);
}

.sign-in-register {
    padding: 8px;
    background: none;
    color: var(--text-secondary);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.sign-in-register:hover {
    background: var(--ui-bg-hover);
    color: var(--text-primary);
    border-color: var(--ui-border-hover);
}

.dropdown-divider {
    height: 1px;
    background: var(--ui-border);
    margin: 4px 0;
}

/* ===================================
   Header Buttons (Simplified)
   =================================== */

.header-btn {
    padding: 6px 14px;
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-family: inherit;
    background: var(--ui-bg);
    color: var(--text-secondary);
}

.header-btn:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent-border);
}

.request-changes-btn svg {
    opacity: 0.6;
}

.request-changes-btn:hover svg {
    opacity: 1;
    stroke: var(--accent);
}

.logout-btn {
    padding: 6px 10px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.logout-btn:hover {
    background: rgba(220, 50, 50, 0.08);
    color: #dc3232;
    border-color: rgba(220, 50, 50, 0.3);
}

.logout-btn svg {
    stroke: currentColor;
}

/* Mobile responsive header */
@media (max-width: 768px) {
    .login-form {
        width: 100%;
        justify-content: space-between;
    }
    .user-info {
        flex-wrap: wrap;
        gap: 8px;
    }
    .header-brand {
        order: 1;
    }
    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    .header-user {
        order: 2;
        margin-left: auto;
    }
    .bar-btn span {
        display: none;
    }
    .bar-btn {
        min-width: 44px;
        padding: 8px 10px;
    }
}

/* ===================================
   Canvas & Container
   =================================== */

#container {
    position: relative;
    width: 100vw;
    height: calc(100vh - 60px);
    margin-top: 60px;
    overflow: hidden;
    background: var(--canvas-bg, #fafafa);
    cursor: grab;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
}

#container.panning {
    cursor: grabbing;
}

#canvas-wrapper {
    transform-origin: 0 0;
}

#canvas-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--canvas-bg, #fafafa);
    background-image: var(--canvas-g1), var(--canvas-g2), var(--canvas-g3);
    overflow: hidden;
    border: 1px solid var(--canvas-border);
}

#grid-canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

#branches-canvas,
#drawing-canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

#drawing-canvas {
    z-index: 2;
}

#branches-canvas {
    z-index: 1;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
    pointer-events: none;
}

/* Vignette overlay */
#canvas-container::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 5;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.12) 70%, rgba(0,0,0,0.25) 100%);
}
body[data-vignette="true"] #canvas-container::after { opacity: 1; }

/* ===================================
   Bottom Toolbar
   =================================== */

.toolbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--ui-border);
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    padding: 0;
}

/* ===================================
   Bar Layout
   =================================== */

.toolbar-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 16px;
    min-height: 64px;
}

.bar-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.bar-divider {
    width: 1px;
    height: 36px;
    background: var(--ui-border);
    margin: 0 8px;
    flex-shrink: 0;
}

/* ===================================
   Bar Buttons
   =================================== */

.bar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 8px 14px;
    min-width: 60px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    font-size: 10px;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
    user-select: none;
    letter-spacing: 0.02em;
}

.bar-btn svg {
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.bar-btn:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent-border);
}

.bar-btn:hover svg {
    opacity: 1;
    stroke: var(--accent);
}

.bar-btn:active {
    transform: scale(0.95);
    background: rgba(139, 105, 20, 0.15);
}

.bar-btn.active {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent-border);
}

.bar-btn.active svg {
    opacity: 1;
    stroke: var(--accent);
}

.bar-btn.danger:hover {
    background: rgba(220, 50, 50, 0.08);
    color: #dc3232;
    border-color: rgba(220, 50, 50, 0.2);
}

.bar-btn.danger:hover svg {
    stroke: #dc3232;
}

/* Panel trigger active state */
.panel-trigger.active {
    background: rgba(139, 105, 20, 0.12);
    color: var(--accent);
    border-color: var(--accent-border);
    box-shadow: inset 0 -2px 0 var(--accent);
}

.panel-trigger.active svg {
    opacity: 1;
    stroke: var(--accent);
}

/* Drag-to-create buttons */
#createNode,
#addTextField {
    cursor: grab;
}

#createNode:active,
#addTextField:active {
    cursor: grabbing;
}

#createNode:hover,
#addTextField:hover {
    animation: pulse-button 1.5s ease-in-out infinite;
}

@keyframes pulse-button {
    0%, 100% {
        transform: translateY(-1px) scale(1);
    }
    50% {
        transform: translateY(-1px) scale(1.03);
    }
}

/* ===================================
   Flyout Panels
   =================================== */

.toolbar-panel {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--ui-bg);
    border: 1px solid var(--ui-border);
    border-radius: 14px;
    padding: 16px;
    min-width: 280px;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    margin-bottom: 8px;
}

.toolbar-panel.show {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--ui-border);
}

.panel-header span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.panel-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 20px;
    padding: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
    line-height: 1;
}

.panel-close:hover {
    background: var(--ui-bg-hover);
    color: var(--text-primary);
}

.panel-section {
    margin-bottom: 12px;
}

.panel-label {
    display: block;
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
    margin-bottom: 8px;
}

.panel-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
}

.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 12px;
}

.panel-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.panel-divider {
    height: 1px;
    background: var(--ui-border);
    margin: 12px 0;
}

.panel-body {
    max-height: 420px;
    overflow-y: auto;
    padding-right: 8px;
}

/* Photos Panel */
.panel-photos {
    min-width: 360px;
    max-width: 600px;
}
.panel-photos-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.panel-photos-count {
    font-size: 12px;
    color: var(--text-muted);
}
.panel-photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    max-height: 360px;
    overflow-y: auto;
    padding-right: 4px;
}
.panel-photos-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding: 24px 0;
}
.panel-photos-section-title {
    grid-column: 1 / -1;
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
    margin-top: 4px;
}
.panel-photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.panel-photo-item:hover {
    border-color: var(--accent);
    transform: scale(1.04);
}
.panel-photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.panel-photo-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.55);
    color: #fff;
    font-size: 10px;
    padding: 2px 5px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* Photo detail view inside panel */
.panel-photo-detail {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.panel-photo-detail-img {
    max-height: 220px;
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
    background: var(--ui-bg-hover);
}
.panel-photo-detail-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.panel-photo-detail-info {
    font-size: 12px;
    color: var(--text-muted);
}
.panel-photo-assign-label {
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
}
.panel-photo-assign-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 140px;
    overflow-y: auto;
}
.panel-photo-assign-btn {
    font-size: 12px;
    padding: 4px 10px;
}
/* Photo select mode */
.panel-photo-check {
    display: none;
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #fff;
    background: rgba(0,0,0,0.3);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.panel-photo-item.selectable .panel-photo-check {
    display: block;
}
.panel-photo-item.selected .panel-photo-check {
    display: block;
    background: var(--accent, #4a90d9);
    border-color: #fff;
}
.panel-photo-item.selected .panel-photo-check::after {
    content: '\2713';
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}
.panel-photo-item.selected {
    border-color: var(--accent, #4a90d9);
    box-shadow: 0 0 0 2px var(--accent, #4a90d9);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    gap: 16px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.gen-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 2px;
    display: flex;
    align-items: center;
    border-radius: 4px;
    transition: color 0.2s;
    flex-shrink: 0;
}

.gen-toggle-btn:hover {
    color: var(--accent);
}

.gen-row.gen-hidden .stat-label,
.gen-row.gen-hidden .stat-value {
    opacity: 0.4;
    text-decoration: line-through;
}

/* ===================================
   Theme Picker
   =================================== */

.theme-picker {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.node-theme-picker {
    grid-template-columns: repeat(3, 1fr);
}

.theme-btn.active {
    background: rgba(139, 105, 20, 0.15) !important;
    border-color: var(--accent) !important;
    color: var(--accent) !important;
    font-weight: 600;
}

/* ===================================
   Toggle Chips
   =================================== */

.toggle-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--ui-bg-hover);
    border: 1px solid var(--ui-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
    user-select: none;
}

.toggle-chip:hover {
    background: #efefef;
    border-color: var(--ui-border-hover);
}

.toggle-chip input[type="checkbox"] {
    accent-color: var(--accent);
    cursor: pointer;
    margin: 0;
    width: 14px;
    height: 14px;
}

.toggle-chip span {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

.toggle-chip:has(input:checked) {
    background: var(--accent-light);
    border-color: var(--accent-border);
}

.toggle-chip:has(input:checked) span {
    color: var(--accent);
}

/* ===================================
   Search Input & Accent Button
   =================================== */

.search-input {
    width: 100%;
    padding: 8px 12px;
    background: var(--ui-bg-hover);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--ui-bg);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.panel-search-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-results {
    margin-top: 10px;
    max-height: 200px;
    overflow-y: auto;
    font-size: 13px;
    color: var(--text-secondary);
}

.search-results::-webkit-scrollbar {
    width: 5px;
}

.search-results::-webkit-scrollbar-track {
    background: transparent;
}

.search-results::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

.btn-accent {
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%) !important;
    color: #fff !important;
    border-color: rgba(180, 140, 80, 0.4) !important;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%) !important;
    box-shadow: 0 4px 15px rgba(180, 140, 80, 0.25);
}

/* ===================================
   Slider Value
   =================================== */

.slider-value {
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 40px;
    text-align: right;
}

/* ===================================
   Generic Button
   =================================== */

.btn {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: var(--ui-bg);
    color: var(--text-primary);
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
    font-family: inherit;
    user-select: none;
    text-align: center;
    font-weight: 500;
}

.btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.full-width {
    grid-column: 1 / -1;
}

.btn:hover:not(.disabled) {
    background: var(--ui-bg-hover);
    border-color: var(--ui-border-hover);
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn:active:not(.disabled),
.btn.active {
    background: var(--accent-light);
    border-color: var(--accent-border);
    color: var(--accent);
    transform: scale(0.97);
}

.btn.btn-sm {
    padding: 6px 10px;
    font-size: 11px;
}

/* ===================================
   Nodes
   =================================== */

.node {
    position: absolute;
    background: var(--node-bg);
    border: 1px solid var(--node-border);
    border-radius: 14px;
    padding: 4px;
    cursor: move;
    transition: box-shadow 0.3s ease, transform 0.15s ease, border-color 0.3s ease, background 0.3s ease;
    min-width: 60px;
    z-index: 10;
    transform-origin: center center;
    box-sizing: border-box;
    backdrop-filter: blur(var(--node-blur));
    -webkit-backdrop-filter: blur(var(--node-blur));
    box-shadow: var(--node-shadow);
    color: var(--node-text);
}

.node.show-border {
    background: var(--node-bg);
    border-color: var(--ui-border-hover);
}

.node.selected {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-light), var(--shadow-md);
    animation: selectedGlow 2s ease-in-out infinite;
}

@keyframes selectedGlow {
    0%, 100% {
        box-shadow: 0 0 0 3px rgba(139, 105, 20, 0.12), 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    50% {
        box-shadow: 0 0 0 5px rgba(139, 105, 20, 0.2), 0 0 15px rgba(139, 105, 20, 0.08), 0 4px 12px rgba(0, 0, 0, 0.1);
    }
}

/* Minimal theme: thin border, no shadow, tight radius */
body[data-node="minimal"] .node {
    border-width: 1px;
    border-radius: 8px;
    box-shadow: none;
}

/* Bordered theme: white card with 4px colored left border */
body[data-node="bordered"] .node {
    border-left: 4px solid var(--accent);
    border-radius: 4px;
}

/* Vintage theme: sepia tones, serif font */
body[data-node="vintage"] .node {
    font-family: Georgia, 'Times New Roman', serif;
    border-style: solid;
    border-width: 1px;
}

body[data-node="vintage"] .node-property {
    font-family: Georgia, 'Times New Roman', serif;
}

/* Modern theme: large radius, accent gradient stripe at top */
body[data-node="modern"] .node {
    border-radius: 16px;
    overflow: hidden;
    position: absolute;
}

body[data-node="modern"] .node::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover), var(--accent));
    border-radius: 16px 16px 0 0;
}

/* Organic theme: leaf-like, nature-inspired */
body[data-node="organic"] {
    --node-bg: linear-gradient(145deg, #f5f0e6, #ebe4d4);
    --node-border: #b8a87a;
    --node-shadow: 0 3px 12px rgba(100, 80, 40, 0.15), inset 0 1px 0 rgba(255,255,255,0.5);
    --node-blur: 0;
}

body[data-node="organic"] .node {
    background: linear-gradient(145deg, #f5f0e6, #ebe4d4);
    border: 1.5px solid #b8a87a;
    border-radius: 50% / 35%;
    box-shadow: 0 3px 12px rgba(100, 80, 40, 0.15), inset 0 1px 0 rgba(255,255,255,0.5);
}

body[data-node="organic"] .node:hover {
    border-color: #8b6914;
    box-shadow: 0 4px 16px rgba(100, 80, 40, 0.22), inset 0 1px 0 rgba(255,255,255,0.5);
}

.node:hover {
    border-color: var(--ui-border-hover);
    box-shadow: var(--shadow-md);
    transform-origin: center center;
}

.node.unknown-name {
    border-color: #e6a817 !important;
    box-shadow: 0 0 0 3px rgba(230, 168, 23, 0.2);
    background: rgba(230, 168, 23, 0.06);
}

.node.highlight-delete {
    border-color: #ff4444 !important;
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.2);
    background: rgba(255, 0, 0, 0.04);
}

/* Node Glow */
body[data-glow="true"] .node {
    box-shadow: var(--node-shadow), 0 0 20px 8px rgba(218,180,90,0.18), 0 0 40px 16px rgba(218,180,90,0.08);
}
body[data-glow="true"] .node.selected {
    box-shadow: 0 0 0 3px var(--accent-light), var(--shadow-md), 0 0 20px 8px rgba(218,180,90,0.18), 0 0 40px 16px rgba(218,180,90,0.08);
}
body[data-glow="true"] .node.unknown-name {
    box-shadow: 0 0 0 3px rgba(230, 168, 23, 0.2), 0 0 20px 8px rgba(230,168,23,0.15), 0 0 40px 16px rgba(230,168,23,0.06);
}
body[data-glow="true"] .node.highlight-delete {
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.2), 0 0 20px 8px rgba(255,68,68,0.15), 0 0 40px 16px rgba(255,68,68,0.06);
}
body[data-glow="true"][data-node="glass"] .node {
    box-shadow: var(--node-shadow), 0 0 22px 10px rgba(180,200,230,0.15), 0 0 44px 18px rgba(180,200,230,0.06);
}
body[data-glow="true"][data-node="organic"] .node {
    box-shadow: var(--node-shadow), 0 0 20px 8px rgba(160,140,60,0.18), 0 0 40px 16px rgba(160,140,60,0.08);
}
body[data-glow="true"][data-node="vintage"] .node {
    box-shadow: var(--node-shadow), 0 0 20px 8px rgba(180,160,120,0.18), 0 0 40px 16px rgba(180,160,120,0.08);
}

/* Multi-selection marquee */
.marquee-rect {
    position: absolute;
    border: 1.5px dashed var(--accent);
    background: rgba(139, 105, 20, 0.06);
    pointer-events: none;
    z-index: 9999;
}

.node.multi-selected {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-light), var(--shadow-md);
}

/* ===================================
   Node Content
   =================================== */

.node-images {
    display: flex;
    gap: 5px;
    margin-bottom: 2px;
    flex-wrap: wrap;
}

.node-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 5px;
    border: 1px solid var(--ui-border);
}

.node-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.node-property {
    display: block;
    margin-bottom: 0;
}

.node-property.hidden {
    display: none;
}

.comment-text {
    max-width: 170px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.spouse-text {
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: top;
}

.marriage-indicator {
    position: absolute;
    top: 5px;
    right: 5px;
    background: linear-gradient(135deg, #b48c50, #8a6b3a);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: bold;
}

/* ===================================
   Rotation Handle
   =================================== */

.rotation-handle {
    position: absolute;
    top: -20px;
    right: 50%;
    transform: translateX(50%);
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: grab;
    display: none;
    z-index: 100;
    border: 2px solid rgba(139, 105, 20, 0.3);
    transition: all 0.2s ease;
    opacity: 0.7;
}

.rotation-handle:hover {
    background: var(--accent-hover);
    transform: translateX(50%) scale(1.15);
    opacity: 1;
}

.node.selected .rotation-handle {
    display: block;
}

/* ===================================
   Drag Ghost & Collision
   =================================== */

.drag-ghost {
    opacity: 0.5;
    border: 2px dashed var(--accent-border) !important;
    pointer-events: none;
    z-index: 10001;
    background: rgba(255, 255, 255, 0.3);
}

.drag-ghost.collision-warning {
    border-color: #ff4444 !important;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.3);
}

.node.collision-target {
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.2);
}

/* ===================================
   Placing Ghost (Drag-to-create)
   =================================== */

.node.placing {
    opacity: 0.85 !important;
    pointer-events: none !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border: 2px solid var(--accent) !important;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15), 0 0 30px rgba(139, 105, 20, 0.15) !important;
    z-index: 10000 !important;
    display: block !important;
    transform: rotate(-3deg) scale(1.05);
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: rotate(-3deg) scale(1.05) translateY(0px);
    }
    50% {
        transform: rotate(-3deg) scale(1.05) translateY(-5px);
    }
}

.node.placing.invalid {
    opacity: 0.6 !important;
    border: 2px dashed #ff4444 !important;
    background: rgba(255, 200, 200, 0.5) !important;
    animation: shake-pulse 0.5s infinite !important;
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.2) !important;
}

@keyframes shake-pulse {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.6;
    }
    25% {
        transform: scale(0.98) rotate(-2deg);
        opacity: 0.8;
    }
    50% {
        transform: scale(0.95) rotate(0deg);
        opacity: 1;
    }
    75% {
        transform: scale(0.98) rotate(2deg);
        opacity: 0.8;
    }
}

.node.placing.shaking,
.text-field.placing.shaking {
    animation: shake 0.5s !important;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0) rotate(0deg);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px) rotate(-1deg);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px) rotate(1deg);
    }
}

/* ===================================
   Text Fields
   =================================== */

.text-field {
    position: absolute;
    background: var(--node-bg);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--node-border);
    cursor: move;
    z-index: 10;
    min-width: 100px;
    color: var(--node-text);
    font-family: 'Inter', sans-serif;
    backdrop-filter: blur(var(--node-blur));
    -webkit-backdrop-filter: blur(var(--node-blur));
    box-shadow: var(--shadow-sm);
}

.text-field.selected {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-light);
}

.text-field.highlight-delete {
    border-color: #ff0000 !important;
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.2);
    background: rgba(255, 0, 0, 0.04);
}

.text-field.placing {
    opacity: 0.85 !important;
    pointer-events: none !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border: 2px solid var(--accent) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 0 20px rgba(139, 105, 20, 0.15) !important;
    z-index: 10000 !important;
    display: block !important;
    font-weight: bold !important;
    color: var(--accent) !important;
    transform: rotate(-3deg) scale(1.05);
    animation: float-text 2s ease-in-out infinite;
}

@keyframes float-text {
    0%, 100% {
        transform: rotate(-3deg) scale(1.05) translateY(0px);
    }
    50% {
        transform: rotate(-3deg) scale(1.05) translateY(-3px);
    }
}

.text-field.placing.invalid {
    opacity: 0.6 !important;
    border: 2px dashed #ff4444 !important;
    background: rgba(255, 200, 200, 0.5) !important;
    animation: shake-pulse 0.5s infinite !important;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.2) !important;
}

/* ===================================
   Search Highlight
   =================================== */

.node.search-highlight {
    border: 2px solid rgba(0, 204, 102, 0.5) !important;
    box-shadow: 0 0 0 4px rgba(0, 204, 102, 0.15) !important;
}
.node.search-active {
    border: 3px solid #00cc66 !important;
    box-shadow: 0 0 0 6px rgba(0, 204, 102, 0.25), 0 0 20px rgba(0, 204, 102, 0.3) !important;
    z-index: 1000 !important;
}

/* Search nav buttons */
.search-nav-btn {
    min-width: 32px !important;
    padding: 4px 8px !important;
    font-size: 18px !important;
    line-height: 1;
    font-weight: bold;
}
.panel-search-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.panel-search-row .search-input {
    flex: 1;
}
.panel-search-row .search-results {
    white-space: nowrap;
    font-size: 12px;
    color: var(--text-muted);
    min-width: 50px;
    text-align: center;
}

/* ===================================
   Keyboard Shortcuts Modal
   =================================== */

.shortcuts-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--ui-bg);
    border: 1px solid var(--ui-border);
    border-radius: 16px;
    padding: 24px 28px;
    width: 520px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 3100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.shortcuts-modal.show {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.shortcuts-modal h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.shortcuts-modal h3 button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 22px;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
    line-height: 1;
}

.shortcuts-modal h3 button:hover {
    background: var(--ui-bg-hover);
    color: var(--text-primary);
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.shortcuts-section h4 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent);
    font-weight: 600;
    margin: 0 0 8px;
}

.shortcut-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.shortcut-row span:first-child {
    color: var(--text-primary);
}

kbd {
    display: inline-block;
    padding: 2px 6px;
    font-size: 11px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--ui-bg-hover);
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    box-shadow: 0 1px 1px rgba(0,0,0,0.05);
    min-width: 20px;
    text-align: center;
}

@media (max-width: 600px) {
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Custom Context Menu
   =================================== */

.context-menu {
    position: fixed;
    background: var(--ui-bg);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
    padding: 4px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    z-index: 5000;
    display: none;
    opacity: 0;
    transform: scale(0.95);
    transform-origin: top left;
    transition: opacity 0.12s ease, transform 0.12s ease;
}

.context-menu.show {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.12s ease;
    text-align: left;
}

.context-menu-item:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.context-menu-item svg {
    flex-shrink: 0;
    opacity: 0.5;
    width: 14px;
    height: 14px;
}

.context-menu-item:hover svg {
    opacity: 1;
    stroke: var(--accent);
}

.context-menu-item .shortcut-hint {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.context-menu-item:hover .shortcut-hint {
    color: var(--accent);
    opacity: 0.7;
}

.context-menu-divider {
    height: 1px;
    background: var(--ui-border);
    margin: 4px 0;
}

.context-menu-item.danger {
    color: #dc3232;
}

.context-menu-item.danger:hover {
    background: rgba(220, 50, 50, 0.08);
    color: #dc3232;
}

.context-menu-item.danger svg {
    opacity: 0.6;
}

.context-menu-item.danger:hover svg {
    opacity: 1;
    stroke: #dc3232;
}

/* ===================================
   Drawing Controls
   =================================== */

.drawing-controls {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--ui-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 15px;
    border-radius: 12px;
    z-index: 1000;
    display: none;
    border: 1px solid var(--ui-border);
    box-shadow: var(--shadow-md);
    margin-top: 320px;
}

.drawing-controls.show {
    display: block;
}

.drawing-controls label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-primary);
    font-size: 13px;
}

.color-picker {
    width: 50px;
    height: 30px;
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 10px;
    background: transparent;
}

.eraser-btn {
    padding: 8px 16px;
    background: var(--ui-bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    width: 100%;
    font-family: inherit;
}

.eraser-btn:hover {
    background: #efefef;
    border-color: var(--ui-border-hover);
}

.eraser-btn.active {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff4444 100%);
    color: white;
    border-color: transparent;
}

/* ===================================
   Zoom Info
   =================================== */

.zoom-info {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: var(--ui-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 8px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    z-index: 999;
    border: 1px solid var(--ui-border);
    box-shadow: var(--shadow-sm);
    transition: opacity 0.3s ease;
}

/* ===================================
   Guest Notice
   =================================== */

.guest-notice {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    padding: 6px 0;
    border-bottom: 1px solid var(--ui-border);
}

/* Guest Password Gate */
#guestGate {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.guest-gate-box {
    background: var(--panel-bg, #fff);
    border: 1px solid var(--ui-border, #e0e0e0);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    min-width: 280px;
}
.guest-gate-box h3 {
    margin: 0 0 16px;
    font-size: 18px;
    color: var(--text-primary, #333);
}
.guest-gate-box input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--ui-border, #ddd);
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    outline: none;
    background: var(--input-bg, #fff);
    color: var(--text-primary, #333);
}
.guest-gate-box input:focus {
    border-color: var(--accent, #4a90d9);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.15);
}
.guest-gate-box button {
    margin-top: 12px;
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: var(--accent, #4a90d9);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.guest-gate-box button:hover {
    opacity: 0.9;
}

/* ===================================
   Branch Highlight
   =================================== */

.branch-highlight {
    stroke: #ff0000 !important;
    stroke-width: 6 !important;
    filter: drop-shadow(0 0 3px rgba(255, 0, 0, 0.5));
}

/* ===================================
   Overlay
   =================================== */

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2500;
}

.overlay.show {
    display: block;
    backdrop-filter: blur(4px);
}

/* ===================================
   Modals (shared)
   =================================== */

.modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ui-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--ui-border);
    max-height: 80vh;
    overflow-y: auto;
}

.modal.show {
    display: block;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.92);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.modal::-webkit-scrollbar {
    width: 6px;
}

.modal::-webkit-scrollbar-track {
    background: transparent;
}

.modal::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

.modal h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.modal-field {
    margin-bottom: 15px;
}

.modal-field label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.modal-field input,
.modal-field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--ui-border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--ui-bg-hover);
    color: var(--text-primary);
    box-sizing: border-box;
    font-family: inherit;
}

.modal-field input:focus,
.modal-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--ui-bg);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.modal-field input::placeholder,
.modal-field textarea::placeholder {
    color: var(--text-muted);
}

.modal-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s ease;
}

.modal-btn.save {
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%);
    color: #fff;
}

.modal-btn.save:hover {
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%);
    box-shadow: 0 4px 15px rgba(180, 140, 80, 0.3);
}

.modal-btn.cancel {
    background: var(--ui-bg-hover);
    color: var(--text-secondary);
    border: 1px solid var(--ui-border);
}

.modal-btn.cancel:hover {
    background: #efefef;
    color: var(--text-primary);
}

.modal-btn.delete {
    background: linear-gradient(135deg, #dc3232 0%, #b22222 100%);
    color: #fff;
}

.modal-btn.delete:hover {
    background: linear-gradient(135deg, #e84040 0%, #dc3232 100%);
    box-shadow: 0 4px 15px rgba(220, 50, 50, 0.3);
}

.modal-btn:hover {
    transform: translateY(-1px);
}

/* ===================================
   Confirm Modal
   =================================== */

.confirm-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ui-bg);
    padding: 25px;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    z-index: 3100;
    text-align: center;
    border: 1px solid var(--ui-border);
}

.confirm-modal.show {
    display: block;
}

.confirm-modal p {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 15px;
}

.confirm-buttons {
    display: flex;
    gap: 10px;
}

/* ===================================
   Register Modal
   =================================== */

.register-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ui-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--ui-border);
}

.register-modal.show {
    display: block;
}

.register-modal h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.request-notice {
    background: var(--accent-light);
    border: 1px solid var(--accent-border);
    padding: 10px;
    margin: 10px 0;
    border-radius: 8px;
    font-size: 13px;
    color: var(--accent);
    text-align: center;
}

/* ===================================
   Requests Modal
   =================================== */

.requests-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ui-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    width: 700px;
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--ui-border);
}

.requests-modal.show {
    display: block;
}

.requests-modal h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.request-item {
    background: var(--ui-bg-hover);
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 10px;
    border: 1px solid var(--ui-border);
}

.request-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.request-type {
    font-weight: bold;
    color: var(--accent);
}

.request-user {
    font-size: 12px;
    color: var(--text-muted);
}

.request-details {
    margin: 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--ui-bg);
    padding: 10px;
    border-radius: 6px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--ui-border);
}

.request-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.request-actions button {
    padding: 6px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.approve-btn {
    background: linear-gradient(135deg, #2e7d32, #1b5e20);
    color: white;
}

.approve-btn:hover {
    box-shadow: 0 3px 10px rgba(46, 125, 50, 0.3);
}

.reject-btn {
    background: linear-gradient(135deg, #c62828, #8b0000);
    color: white;
}

.reject-btn:hover {
    box-shadow: 0 3px 10px rgba(198, 40, 40, 0.3);
}

/* ===================================
   PDF Requests Modal
   =================================== */

.pdf-requests-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ui-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    width: 800px;
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--ui-border);
}

.pdf-requests-modal.show {
    display: block;
}

.pdf-requests-modal h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.pdf-item {
    background: var(--ui-bg-hover);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid var(--ui-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdf-info {
    flex: 1;
}

.pdf-filename {
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.pdf-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.pdf-actions {
    display: flex;
    gap: 10px;
}

.pdf-download-btn {
    padding: 6px 15px;
    background: linear-gradient(135deg, #2e7d32, #1b5e20);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.pdf-download-btn:hover {
    box-shadow: 0 3px 10px rgba(46, 125, 50, 0.3);
}

.pdf-delete-btn {
    padding: 6px 15px;
    background: linear-gradient(135deg, #c62828, #8b0000);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.pdf-delete-btn:hover {
    box-shadow: 0 3px 10px rgba(198, 40, 40, 0.3);
}

/* ===================================
   Upload Modal
   =================================== */

.upload-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ui-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--ui-border);
}

.upload-modal.show {
    display: block;
}

.upload-modal h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.upload-area {
    border: 2px dashed var(--ui-border-hover);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    background: var(--ui-bg-hover);
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.upload-area.dragover {
    border-color: #4CAF50;
    background: rgba(76, 175, 80, 0.06);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.upload-text {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 14px;
}

.upload-button {
    padding: 10px 20px;
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.upload-button:hover {
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%);
}

.file-list {
    margin-top: 20px;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--ui-bg-hover);
    border-radius: 6px;
    margin-bottom: 5px;
    border: 1px solid var(--ui-border);
}

.file-name {
    color: var(--text-primary);
    font-size: 14px;
}

.file-size {
    color: var(--text-muted);
    font-size: 12px;
}

.remove-file {
    color: #ff6b6b;
    cursor: pointer;
    font-weight: bold;
}

.remove-file:hover {
    color: #ff4444;
}

/* ===================================
   Marriages Section
   =================================== */

.marriages-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--ui-border);
}

.marriages-section h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 15px;
}

.marriage-item {
    background: var(--ui-bg-hover);
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 6px;
    border: 1px solid var(--ui-border);
}

.marriage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.marriage-number {
    font-weight: bold;
    color: var(--accent);
}

.remove-marriage {
    color: #ff6b6b;
    cursor: pointer;
    font-size: 12px;
}

.remove-marriage:hover {
    color: #ff4444;
}

.add-marriage-btn {
    padding: 6px 12px;
    background: linear-gradient(135deg, #b48c50 0%, #8a6b3a 100%);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    margin-top: 10px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.add-marriage-btn:hover {
    background: linear-gradient(135deg, #c9a060 0%, #b48c50 100%);
}

/* ===================================
   Compact Node Edit Modal
   =================================== */

#nodeModal {
    padding: 0;
    overflow: visible;
    max-width: 520px;
}

.node-modal-inner {
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    overflow-y: auto;
    padding: 20px;
}

.node-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ui-border);
    margin-bottom: 14px;
}

.node-modal-header h3 {
    margin: 0;
    font-size: 16px;
}

.modal-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.modal-field.compact {
    margin-bottom: 10px;
}

.modal-field.compact label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 600;
}

.modal-field.compact input,
.modal-field.compact textarea {
    padding: 8px 10px;
    font-size: 13px;
}

/* Compact marriages section */
.marriages-section.compact {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--ui-border);
}

.marriages-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.marriages-header-row label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.add-marriage-pill {
    padding: 3px 10px;
    background: linear-gradient(135deg, #b48c50, #8a6b3a);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 11px;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s ease;
}

.add-marriage-pill:hover {
    background: linear-gradient(135deg, #c9a060, #b48c50);
}

.marriage-item.compact {
    padding: 6px;
    margin-bottom: 6px;
    background: var(--ui-bg-hover);
    border: 1px solid var(--ui-border);
    border-radius: 6px;
}

.marriage-fields-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr auto;
    gap: 6px;
    align-items: center;
}

.marriage-fields-row input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--ui-border);
    border-radius: 6px;
    font-size: 12px;
    background: var(--ui-bg);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s;
}

.marriage-fields-row input:focus {
    outline: none;
    border-color: var(--accent);
}

.marriage-fields-row .remove-marriage {
    color: #ff6b6b;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    transition: background 0.15s;
}

.marriage-fields-row .remove-marriage:hover {
    background: rgba(255, 68, 68, 0.1);
    color: #ff4444;
}

/* Compact images */
.modal-images-field label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.add-image-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #b48c50, #8a6b3a);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
    transition: all 0.2s ease;
}

.add-image-btn:hover {
    background: linear-gradient(135deg, #c9a060, #b48c50);
    transform: scale(1.1);
}

.image-preview-row {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.modal-thumb {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--ui-border);
    cursor: pointer;
    transition: opacity 0.15s, transform 0.15s;
}

.modal-thumb:hover {
    opacity: 0.7;
    transform: scale(1.1);
}

/* Gallery picker in node modal */
.gallery-pick-btn {
    width: auto !important;
    border-radius: 12px !important;
    padding: 2px 10px !important;
    font-size: 11px !important;
    font-weight: 500 !important;
}

.gallery-picker-dropdown {
    background: #fff;
    border: 1px solid var(--ui-border, #d4d0ca);
    border-radius: 8px;
    padding: 8px;
    margin-top: 6px;
    max-height: 200px;
    overflow-y: auto;
}

.gallery-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    color: #5d5a55;
    margin-bottom: 6px;
}

.gallery-picker-close {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: #8b8680;
    padding: 0 4px;
}

.gallery-picker-grid {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.gallery-picker-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}

.gallery-picker-thumb:hover {
    border-color: #4a7c3f;
    transform: scale(1.08);
}

.gallery-picker-empty {
    font-size: 12px;
    color: #8b8680;
    padding: 12px 4px;
    text-align: center;
}

/* Sticky action bar */
.modal-actions-bar {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--ui-border);
    position: sticky;
    bottom: 0;
    background: var(--ui-bg);
}

/* Responsive fallback */
@media (max-width: 480px) {
    .modal-row {
        grid-template-columns: 1fr;
    }
    .marriage-fields-row {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Change Summary
   =================================== */

.change-summary {
    background: var(--ui-bg-hover);
    border: 1px solid var(--ui-border);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.change-summary h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.change-item {
    margin: 5px 0;
    padding: 5px 10px;
    background: var(--ui-bg);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.change-item.added {
    border-left: 3px solid #4CAF50;
}

.change-item.modified {
    border-left: 3px solid var(--accent);
}

.change-item.deleted {
    border-left: 3px solid #ff4444;
}

.diff-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 10px 0;
}

.diff-old,
.diff-new {
    padding: 10px;
    border-radius: 6px;
    font-size: 12px;
}

.diff-old {
    background: rgba(220, 50, 50, 0.06);
    border: 1px solid rgba(220, 50, 50, 0.15);
    color: #b22222;
}

.diff-new {
    background: rgba(46, 125, 50, 0.06);
    border: 1px solid rgba(46, 125, 50, 0.15);
    color: #1b5e20;
}

.diff-label {
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--text-muted);
}

/* ===================================
   Hidden Inputs
   =================================== */

#imageInput {
    display: none;
}

/* ===================================
   Scrollbar Styles (global)
   =================================== */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .login-header,
    .toolbar,
    .shortcuts-modal,
    .drawing-controls,
    .zoom-info,
    .overlay,
    .modal,
    .confirm-modal,
    .register-modal,
    .requests-modal,
    .pdf-requests-modal,
    .upload-modal,
    #toast-container,
    .guest-notice {
        display: none !important;
    }

    body {
        overflow: visible;
        background: #fff;
    }

    #container {
        margin-top: 0;
        height: auto;
        overflow: visible;
        position: static;
        width: 100%;
    }

    #canvas-container {
        border: none;
    }
}

/* ===================================
   Toast Notifications
   =================================== */

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100000;
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
    max-width: 420px;
    padding: 12px 16px;
    border-radius: 8px;
    font-family: Georgia, serif;
    font-size: 13px;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.hide {
    opacity: 0;
    transform: translateX(100%);
}

.toast-success { background: #2e7d32; }
.toast-error   { background: #c62828; }
.toast-warning { background: #e65100; }
.toast-info    { background: #1565c0; }

.toast-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.toast-msg {
    flex: 1;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    flex-shrink: 0;
}

.toast-close:hover {
    color: #fff;
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 0 0 8px 8px;
}

/* ===================================
   Cloud Manager - File Manager Popup
   =================================== */

.cloud-manager-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 4000;
    backdrop-filter: blur(2px);
}
.cloud-manager-overlay.show { display: block; }

.cloud-manager {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 900px;
    max-height: 80vh;
    background: var(--ui-bg, #fff);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    z-index: 4001;
    display: none;
    flex-direction: column;
    overflow: hidden;
}
.cloud-manager.show {
    display: flex;
}

.cm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 12px;
    gap: 16px;
    flex-shrink: 0;
}
.cm-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #1a1a1a);
    white-space: nowrap;
}
.cm-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}
.cm-search {
    padding: 7px 14px;
    border: 1px solid var(--canvas-border, #e5e5e5);
    border-radius: 8px;
    font-size: 0.85rem;
    outline: none;
    width: 180px;
    background: var(--ui-bg, #fff);
    color: var(--text-primary, #1a1a1a);
    transition: border-color 0.2s;
}
.cm-search:focus { border-color: var(--accent, #8b6914); }

.cm-new-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #b48c50, #8b6914);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    white-space: nowrap;
}
.cm-new-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(180, 140, 80, 0.4);
}

.cm-close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-secondary, #6b6b6b);
    line-height: 1;
    padding: 0 4px;
}
.cm-close-btn:hover { color: var(--text-primary, #1a1a1a); }

/* Tabs */
.cm-tabs {
    display: flex;
    gap: 0;
    padding: 0 24px;
    border-bottom: 1px solid var(--canvas-border, #e5e5e5);
    flex-shrink: 0;
}
.cm-tab {
    padding: 10px 20px;
    border: none;
    background: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary, #6b6b6b);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.cm-tab:hover { color: var(--text-primary, #1a1a1a); }
.cm-tab.active {
    color: var(--accent, #8b6914);
    border-bottom-color: var(--accent, #8b6914);
    font-weight: 600;
}

/* Card grid */
.cm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    padding: 20px 24px 24px;
    overflow-y: auto;
    flex: 1;
}

.cm-loading, .cm-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 20px;
    color: var(--text-secondary, #6b6b6b);
}
.cm-empty svg { margin-bottom: 12px; opacity: 0.5; }
.cm-empty h3 {
    margin: 0 0 8px;
    color: var(--text-primary, #1a1a1a);
    font-size: 1.1rem;
}
.cm-empty p { margin: 0; font-size: 0.9rem; }

/* Card */
.cm-card {
    position: relative;
    background: var(--ui-bg, #fff);
    border: 1px solid var(--canvas-border, #e5e5e5);
    border-radius: 14px;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.cm-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent, #8b6914);
}
.cm-card-active {
    border-color: var(--accent, #8b6914);
    box-shadow: 0 0 0 2px rgba(139, 105, 20, 0.2);
}

.cm-card-icon {
    margin-bottom: 12px;
}

.cm-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.cm-badge-sample { background: #dbeafe; color: #1e40af; }
.cm-badge-shared { background: #dcfce7; color: #166534; }

.cm-card-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary, #1a1a1a);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cm-card-meta {
    font-size: 0.78rem;
    color: var(--text-secondary, #6b6b6b);
    line-height: 1.4;
}

/* Card actions (show on hover) */
.cm-card-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}
.cm-card:hover .cm-card-actions { opacity: 1; }

.cm-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--ui-bg, #fff);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary, #6b6b6b);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    transition: background 0.15s, color 0.15s;
}
.cm-action-btn:hover {
    background: var(--canvas-border, #e5e5e5);
    color: var(--text-primary, #1a1a1a);
}
.cm-action-delete:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* Header: tree name + save indicator */
.tree-name-display {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary, #6b6b6b);
    margin-left: 8px;
    padding-left: 10px;
    border-left: 1px solid var(--canvas-border, #e5e5e5);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.save-indicator {
    font-size: 0.72rem;
    margin-left: 6px;
    padding: 2px 6px;
    border-radius: 4px;
}
.save-indicator.saved {
    color: #166534;
    background: #dcfce7;
}
.save-indicator.unsaved {
    color: #92400e;
    background: #fef3c7;
}

/* Responsive */
@media (max-width: 768px) {
    .cloud-manager {
        width: 96%;
        max-height: 90vh;
        border-radius: 14px;
    }
    .cm-grid {
        grid-template-columns: 1fr;
    }
    .cm-header {
        flex-wrap: wrap;
    }
    .cm-search { width: 100%; }
    .tree-name-display { display: none; }
}

/* ===================================
   Mobile Phone Breakpoint (480px)
   =================================== */

@media (max-width: 480px) {
    /* Header: compact for phones */
    .login-header {
        padding: 6px 12px;
        min-height: 44px;
    }
    .header-brand {
        font-size: 14px;
        gap: 6px;
    }
    .header-brand svg { width: 16px; height: 16px; }
    .header-nav {
        order: 3;
        width: auto;
        justify-content: flex-start;
    }
    .dropdown-trigger {
        padding: 5px 10px;
        font-size: 12px;
    }
    .header-user {
        gap: 6px;
    }
    .header-user .username {
        font-size: 12px;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .access-badge {
        font-size: 10px !important;
        padding: 2px 8px !important;
    }
    .logout-btn { padding: 5px 8px; }

    /* Container: match compact header */
    #container {
        margin-top: 44px;
        height: calc(100vh - 44px);
    }

    /* Toolbar bar: horizontal scroll, compact */
    .toolbar-bar {
        min-height: 52px;
        padding: 6px 8px;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
    }
    .bar-btn {
        min-width: 44px;
        padding: 6px 8px;
        font-size: 9px;
    }
    .bar-btn span { display: none; }
    .bar-divider { height: 28px; margin: 0 4px; }

    /* Toolbar flyout panels: full-width on phones */
    .toolbar-panel {
        left: 4px;
        right: 4px;
        transform: translateY(10px);
        min-width: auto;
        max-width: none;
        max-height: 55vh;
        overflow-y: auto;
    }
    .toolbar-panel.show {
        transform: translateY(0);
    }

    /* Panel grids: 3 columns to reduce cramping */
    .panel-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .theme-picker {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Context menu: larger touch targets */
    .context-menu-item {
        min-height: 44px;
        padding: 12px 14px;
        font-size: 14px;
    }

    /* Zoom info: above shorter toolbar */
    .zoom-info {
        bottom: 62px;
        right: 10px;
        font-size: 11px;
        padding: 6px 10px;
    }

    /* Drawing controls: repositioned for phones */
    .drawing-controls {
        top: 50px;
        right: 10px;
        padding: 10px;
        margin-top: 0;
    }

    /* Modals: full-width on phones */
    .modal {
        width: 95%;
        max-width: none;
        padding: 20px 16px;
    }
    #nodeModal {
        max-width: none;
    }

    /* Cloud manager: tighter on phones */
    .cloud-manager {
        width: 98%;
        border-radius: 12px;
    }
    .cm-header {
        padding: 14px 16px 10px;
    }

    /* Dropdown menus: ensure they fit */
    .dropdown-menu {
        min-width: 160px;
    }
    .sign-in-menu {
        min-width: 240px;
    }
}

/* ===================================
   Touch Device Enhancements
   =================================== */

.touch-device .bar-btn {
    min-height: 44px;
    min-width: 44px;
}

.touch-device .context-menu-item {
    min-height: 44px;
    padding: 12px 16px;
}

.touch-device .toggle-chip {
    min-height: 36px;
    padding: 8px 12px;
}

.touch-device .dropdown-trigger {
    min-height: 44px;
}

.touch-device .panel-close {
    min-width: 36px;
    min-height: 36px;
}

/* Invisible hit area expansion on nodes for touch */
.touch-device .node {
    position: absolute;
}
.touch-device .node::after {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    bottom: -10px;
    left: -10px;
}

/* Larger touch target for text fields */
.touch-device .text-field::after {
    content: '';
    position: absolute;
    top: -8px;
    right: -8px;
    bottom: -8px;
    left: -8px;
}

/* ===================================
   Compact Mobile Nav Bar
   =================================== */

.mobile-compact-nav {
    display: none; /* Hidden on desktop */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 7000;
    background: #fff;
    border-top: 1px solid #e8e5df;
    justify-content: space-around;
    align-items: center;
    padding-bottom: max(4px, env(safe-area-inset-bottom));
    height: 56px;
}

.mobile-compact-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    flex: 1;
    padding: 6px 0;
    border: none;
    background: none;
    color: #a09b94;
    cursor: pointer;
    font-size: 10px;
    font-weight: 500;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    transition: color 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.mobile-compact-nav-btn svg {
    transition: color 0.2s;
}

.mobile-compact-nav-btn.active {
    color: #4a7c3f;
}

.mobile-compact-nav-btn.active svg {
    stroke: #4a7c3f;
}

@media (max-width: 768px) {
    .mobile-compact-nav {
        display: flex;
    }

    /* Hide the desktop toolbar bar (buttons) on mobile */
    .toolbar-bar {
        display: none !important;
    }

    /* Make toolbar wrapper invisible but keep it in DOM for panel children */
    .toolbar {
        bottom: 56px !important;
        background: transparent !important;
        border-top: none !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        height: 0 !important;
        min-height: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
    }

    /* Adjust container to account for compact nav */
    #container {
        height: calc(100vh - 44px - 56px) !important;
    }
    @supports (height: 100dvh) {
        #container {
            height: calc(100dvh - 44px - 56px) !important;
        }
    }

    /* Zoom info above compact nav */
    .zoom-info {
        bottom: 66px !important;
    }

    /* Photos panel: full-screen overlay on mobile, above canvas but below compact nav */
    .panel-photos.toolbar-panel {
        position: fixed;
        top: 44px;
        left: 0;
        right: 0;
        bottom: 56px;
        min-width: auto;
        max-width: none;
        max-height: none;
        transform: none !important;
        border-radius: 0;
        margin-bottom: 0;
        z-index: 6500;
        overflow-y: auto;
    }

    /* Album overlay: leave room for compact nav at bottom */
    .album-overlay {
        bottom: 56px;
    }

    /* Allow nodes to render beyond canvas bounds on mobile (GPU-clamped at 4096) */
    #canvas-container {
        overflow: visible;
    }
}

/* ===================================
   Node Image Overflow Badge
   =================================== */

.node-image-overflow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-secondary, #555);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(0, 0, 0, 0.1);
    cursor: pointer;
    vertical-align: top;
}

/* ===================================
   Modal Image Drag-to-Reorder
   =================================== */

.modal-thumb-wrapper {
    display: inline-block;
    position: relative;
    cursor: grab;
    margin-right: 4px;
    margin-bottom: 4px;
    border-radius: 6px;
    transition: transform 0.15s, opacity 0.15s;
}

.modal-thumb-wrapper:active {
    cursor: grabbing;
}

.modal-thumb-wrapper.dragging {
    opacity: 0.4;
    transform: scale(0.95);
}

.modal-thumb-wrapper.drag-over {
    outline: 2px solid var(--accent, #8b6914);
    outline-offset: 2px;
    border-radius: 6px;
}

.modal-thumb-remove {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #e53e3e;
    color: #fff;
    font-size: 12px;
    line-height: 18px;
    text-align: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 1;
}

.modal-thumb-wrapper:hover .modal-thumb-remove {
    opacity: 1;
}

/* ===================================
   Album / Book View
   =================================== */

.album-overlay {
    position: fixed;
    inset: 0;
    z-index: 5000;
    background: #f5f0e8;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.album-overlay.show {
    opacity: 1;
}

.album-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: rgba(90, 70, 40, 0.08);
    border-bottom: 1px solid rgba(90, 70, 40, 0.12);
}

.album-title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 20px;
    font-weight: 600;
    color: #4a3c28;
    letter-spacing: 0.5px;
}

.album-close-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(90, 70, 40, 0.1);
    border-radius: 50%;
    font-size: 20px;
    color: #4a3c28;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.album-close-btn:hover {
    background: rgba(90, 70, 40, 0.2);
}

.album-book {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 0;
}

.album-nav {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(90, 70, 40, 0.08);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4a3c28;
    transition: background 0.2s, transform 0.15s;
}

.album-nav:hover {
    background: rgba(90, 70, 40, 0.15);
    transform: scale(1.05);
}

.album-page-container {
    flex: 1;
    max-width: 800px;
    max-height: 100%;
    margin: 0 20px;
    perspective: 1200px;
    overflow-y: auto;
}

.album-page {
    background: #fffdf7;
    border-radius: 4px;
    box-shadow:
        0 2px 20px rgba(0, 0, 0, 0.08),
        -4px 0 15px rgba(0, 0, 0, 0.03),
        4px 0 15px rgba(0, 0, 0, 0.03);
    padding: 40px;
    min-height: 400px;
    border: 1px solid rgba(160, 140, 100, 0.15);
    position: relative;
    transition: transform 0.35s ease;
}

.album-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(180, 160, 120, 0.04) 0%, transparent 50%),
        linear-gradient(225deg, rgba(180, 160, 120, 0.02) 0%, transparent 50%);
    pointer-events: none;
    border-radius: 4px;
}

.album-page-turn-next {
    animation: albumPageNext 0.4s ease;
}

.album-page-turn-prev {
    animation: albumPagePrev 0.4s ease;
}

@keyframes albumPageNext {
    0% { transform: rotateY(-3deg); opacity: 0.5; }
    100% { transform: rotateY(0); opacity: 1; }
}

@keyframes albumPagePrev {
    0% { transform: rotateY(3deg); opacity: 0.5; }
    100% { transform: rotateY(0); opacity: 1; }
}

.album-footer {
    padding: 10px 24px;
    text-align: center;
    background: rgba(90, 70, 40, 0.05);
    border-top: 1px solid rgba(90, 70, 40, 0.1);
}

.album-page-info {
    font-size: 13px;
    color: #8b7d6b;
    font-family: Georgia, 'Times New Roman', serif;
    letter-spacing: 1px;
}

/* ── Person Page Layout ── */

.album-person {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.album-person-photo {
    flex-shrink: 0;
    width: 220px;
    height: 260px;
    border-radius: 6px;
    overflow: hidden;
    background: rgba(90, 70, 40, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(160, 140, 100, 0.2);
}

.album-primary-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
}

.album-initials {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 48px;
    font-weight: 600;
    color: #b5a88a;
}

.album-person-info {
    flex: 1;
    min-width: 0;
}

.album-person-name {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 28px;
    font-weight: 600;
    color: #3a2e1c;
    margin-bottom: 6px;
    line-height: 1.2;
}

.album-person-dates {
    font-size: 16px;
    color: #7a6e5c;
    margin-bottom: 16px;
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
}

.album-person-detail {
    font-size: 14px;
    color: #5a4e3c;
    margin-bottom: 8px;
    line-height: 1.5;
}

.album-person-comment {
    font-size: 14px;
    color: #6a5e4c;
    margin-top: 12px;
    padding: 12px;
    background: rgba(90, 70, 40, 0.04);
    border-radius: 6px;
    border-left: 3px solid rgba(139, 105, 20, 0.3);
    font-style: italic;
    line-height: 1.5;
}

.album-person-gen {
    font-size: 12px;
    color: #a09888;
    margin-top: 16px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* ── Photo Strip ── */

.album-photo-strip {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(160, 140, 100, 0.15);
    overflow-x: auto;
    padding-bottom: 4px;
}

.album-strip-thumb {
    width: 64px;
    height: 64px;
    border-radius: 4px;
    object-fit: cover;
    border: 1px solid rgba(160, 140, 100, 0.2);
    flex-shrink: 0;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

.album-strip-thumb:hover {
    transform: scale(1.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* ── Album Lightbox ── */

.album-lightbox {
    position: fixed;
    inset: 0;
    z-index: 6000;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.album-lightbox.show {
    opacity: 1;
}

.album-lb-close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 2;
}

.album-lb-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.album-lb-prev,
.album-lb-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 2;
}

.album-lb-prev { left: 16px; }
.album-lb-next { right: 16px; }

.album-lb-prev:hover,
.album-lb-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.album-lb-img-wrap {
    max-width: calc(100% - 140px);
    max-height: calc(100% - 100px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.album-lb-img {
    max-width: 100%;
    max-height: calc(100vh - 100px);
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.album-lb-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-family: Georgia, 'Times New Roman', serif;
    letter-spacing: 2px;
}

/* ── Generation Divider Page ── */

.album-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
}

.album-divider-ornament {
    font-size: 32px;
    color: #b5a88a;
    margin-bottom: 16px;
}

.album-divider-label {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 28px;
    font-weight: 600;
    color: #4a3c28;
    letter-spacing: 2px;
}

.album-divider-line {
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(139, 105, 20, 0.4), transparent);
    margin-top: 16px;
}

/* ── Album Mode Toggle ── */

.album-mode-toggle {
    display: flex;
    gap: 4px;
    background: rgba(90, 70, 40, 0.06);
    border-radius: 20px;
    padding: 3px;
}

.album-mode-btn {
    border: none;
    background: transparent;
    padding: 6px 16px;
    border-radius: 17px;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 13px;
    color: #7a6e5c;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.album-mode-btn:hover {
    background: rgba(90, 70, 40, 0.08);
}

.album-mode-btn.active {
    background: #4a3c28;
    color: #f5f0e8;
}

.album-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.album-back-btn {
    border: none;
    background: rgba(90, 70, 40, 0.08);
    padding: 6px 14px;
    border-radius: 17px;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 13px;
    color: #4a3c28;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.album-back-btn:hover {
    background: rgba(90, 70, 40, 0.16);
}

/* ── Branch Picker ── */

.album-picker {
    text-align: center;
}

.album-picker-title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 24px;
    font-weight: 600;
    color: #4a3c28;
    margin-bottom: 28px;
    letter-spacing: 0.5px;
}

.album-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    max-width: 640px;
    margin: 0 auto;
}

.album-picker-card {
    background: rgba(90, 70, 40, 0.04);
    border: 1px solid rgba(160, 140, 100, 0.15);
    border-radius: 8px;
    padding: 20px 12px 16px;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.album-picker-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    background: rgba(90, 70, 40, 0.07);
}

.album-picker-card-photo {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 12px;
    background: rgba(90, 70, 40, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(160, 140, 100, 0.2);
}

.album-picker-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-picker-card-initials {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 24px;
    font-weight: 600;
    color: #b5a88a;
}

.album-picker-card-name {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 15px;
    font-weight: 600;
    color: #3a2e1c;
    margin-bottom: 4px;
}

.album-picker-card-count {
    font-size: 12px;
    color: #8b7d6b;
}

/* ── Children Navigation (Branch Mode) ── */

.album-children-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(160, 140, 100, 0.2);
}

.album-children-label {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 16px;
    font-weight: 600;
    color: #5a4e3c;
    margin-bottom: 12px;
}

.album-children-label.album-children-leaf {
    font-weight: 400;
    font-style: italic;
    color: #a09888;
    font-size: 14px;
}

.album-children-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.album-child-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(90, 70, 40, 0.04);
    border: 1px solid rgba(160, 140, 100, 0.15);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.album-child-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    border-color: rgba(160, 140, 100, 0.3);
    background: rgba(90, 70, 40, 0.07);
}

.album-child-card-photo {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    background: rgba(160, 140, 100, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.album-child-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-child-card-initials {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 16px;
    color: #8b7d6b;
    font-weight: 600;
}

.album-child-card-info {
    flex: 1;
    min-width: 0;
}

.album-child-card-name {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 14px;
    font-weight: 600;
    color: #3a2e1c;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-child-card-dates {
    font-size: 12px;
    color: #7a6e5c;
    margin-top: 2px;
}

.album-child-card-desc {
    font-size: 11px;
    color: #a08d6f;
    margin-top: 2px;
}

/* ── Responsive ── */

@media (max-width: 600px) {
    .album-person {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .album-person-photo {
        width: 160px;
        height: 200px;
    }

    .album-person-name {
        font-size: 22px;
    }

    .album-page {
        padding: 24px 16px;
    }

    .album-nav {
        width: 36px;
        height: 36px;
    }

    .album-page-container {
        margin: 0 8px;
    }

    .album-mode-toggle {
        order: 3;
        margin-top: 8px;
    }

    .album-header {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .album-picker-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }

    .album-children-grid {
        grid-template-columns: 1fr;
    }
}