* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ─── Base ──────────────────────────────────────────────────── */
body {
    background-color: #f4f6f9;
    color: #333;
}

/* ─── App Header (shared navbar) ────────────────────────────── */
.app-header {
    height: 56px;
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    gap: 12px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    flex-shrink: 0;
    z-index: 200;
    position: relative;
}

.app-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
}
.brand-icon { font-size: 22px; }
.brand-name { font-size: 18px; font-weight: 700; color: #2c3e50; }

.header-title {
    font-size: 15px;
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 260px;
}

.badge-readonly {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
    border-radius: 4px;
    padding: 2px 8px;
    flex-shrink: 0;
    white-space: nowrap;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: #3498db;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #d1e9f7;
    background: #eaf5fd;
    transition: all 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}
.btn-back:hover {
    background: #3498db;
    color: #fff;
    border-color: #3498db;
}

/* ─── Shared Buttons ─────────────────────────────────────────── */
button {
    padding: 10px;
    border: none;
    border-radius: 4px;
    background-color: #3498db;
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s;
    font-family: inherit;
}
button:hover { background-color: #2980b9; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; font-size: 14px; font-weight: 600; border: none; border-radius: 6px; cursor: pointer; transition: all 0.2s; font-family: inherit; line-height: 1.4; }
.btn-primary { background: #3498db; color: #fff; }
.btn-primary:hover { background: #2980b9; }
.btn-success, button.btn-success { background-color: #2ecc71; color: #fff; }
.btn-success:hover, button.btn-success:hover { background-color: #27ae60; }
.btn-danger, button.btn-danger { background-color: #e74c3c; color: #fff; }
.btn-danger:hover, button.btn-danger:hover { background-color: #c0392b; }
.btn-warning, button.btn-warning { background-color: #f39c12; color: white; }
.btn-warning:hover, button.btn-warning:hover { background-color: #d35400; }
.btn-outline { background: transparent; color: #555; border: 1px solid #ccc; }
.btn-outline:hover { background: #f0f0f0; color: #333; }
.btn-outline-danger { background: transparent; color: #e74c3c; border: 1px solid #e74c3c; }
.btn-outline-danger:hover { background: #e74c3c; color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }

/* ─── Shared Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 14px; display: flex; flex-direction: column; gap: 5px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

label { font-size: 13px; font-weight: 600; color: #555; }
.required { color: #e74c3c; }

input, select {
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    font-family: inherit;
    width: 100%;
}
input:focus, select:focus { border-color: #3498db; box-shadow: 0 0 0 2px rgba(52,152,219,0.15); }

.ancestry-path {
    margin-top: 10px;
    padding: 8px 10px;
    background: #f0f8ff;
    border-left: 3px solid #3498db;
    border-radius: 0 4px 4px 0;
    font-size: 12px;
    line-height: 1.8;
    color: #555;
    word-break: break-word;
}
.ancestry-arrow {
    color: #3498db;
    font-weight: bold;
    margin: 0 2px;
}
.ancestry-current {
    font-weight: 700;
    font-size: 14px;
    color: #2c3e50;
}

.info-box {
    background-color: #e8f4f8;
    padding: 12px;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
}

/* ─── HOME PAGE ─────────────────────────────────────────────── */
body.page-home {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.app-main {
    flex: 1;
    padding: 32px 24px;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

/* Guest / Hero view */
.hero-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.hero-card {
    text-align: center;
    background: #fff;
    border-radius: 16px;
    padding: 60px 48px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    max-width: 480px;
    width: 100%;
}
.hero-icon { font-size: 64px; margin-bottom: 20px; }
.hero-card h1 { font-size: 28px; color: #2c3e50; margin-bottom: 12px; border: none; padding: 0; }
.hero-card p { font-size: 15px; color: #666; line-height: 1.6; margin-bottom: 28px; }

/* Dashboard */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.dashboard-header h2 {
    font-size: 22px;
    color: #2c3e50;
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

/* Family cards */
.families-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.family-card {
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e8ecf0;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.family-card:hover {
    border-color: #3498db;
    box-shadow: 0 4px 16px rgba(52,152,219,0.15);
    transform: translateY(-2px);
}
.family-card-icon { font-size: 36px; flex-shrink: 0; }
.family-card-body { flex: 1; min-width: 0; }
.family-card-name { font-size: 16px; font-weight: 700; color: #2c3e50; margin-bottom: 6px; word-break: break-word; }
.family-card-meta { display: flex; gap: 12px; font-size: 12px; color: #888; flex-wrap: wrap; }
.family-card-arrow { font-size: 22px; color: #ccc; flex-shrink: 0; transition: color 0.2s; }
.family-card:hover .family-card-arrow { color: #3498db; }

.family-card-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    margin-right: 4px;
}

.btn-card-action {
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 6px;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f0f4f8;
    color: #555;
    border: 1px solid #e2e8f0;
    font-weight: normal;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-card-edit:hover { background: #ebf5fb; color: #2980b9; border-color: #aed6f1; }
.btn-card-delete:hover { background: #fdedec; color: #c0392b; border-color: #f5b7b1; }

/* Empty & loading states */
.center-view { display: flex; align-items: center; justify-content: center; min-height: 200px; flex: 1; }

.spinner {
    width: 36px; height: 36px;
    border: 3px solid #e2e8f0;
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.families-empty {
    text-align: center;
    padding: 60px 24px;
    color: #888;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.families-empty .empty-icon { font-size: 52px; }
.families-empty h3 { font-size: 18px; color: #555; border: none; padding: 0; }
.families-empty p { font-size: 14px; }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-box {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid #eee;
}
.modal-header h3 { font-size: 17px; color: #2c3e50; border: none; padding: 0; margin: 0; }
.modal-close { background: none; color: #999; font-size: 18px; padding: 4px 8px; line-height: 1; border-radius: 4px; }
.modal-close:hover { background: #f0f0f0; color: #333; }

.modal-body { padding: 20px 24px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 24px; border-top: 1px solid #eee; }

/* ─── Member Search ──────────────────────────────────────────── */
#search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #d1e9f7;
    border-radius: 6px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    z-index: 200;
    max-height: 260px;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    cursor: pointer;
    transition: background 0.12s;
    border-bottom: 1px solid #f0f4f8;
    font-size: 13px;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: #eaf5fd; }

.search-result-item .sri-icon {
    font-size: 18px;
    flex-shrink: 0;
}
.search-result-item .sri-name {
    font-weight: 600;
    color: #2c3e50;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.search-result-item .sri-meta {
    font-size: 11px;
    color: #999;
    flex-shrink: 0;
}
.search-result-item mark {
    background: #fef9c3;
    color: #2c3e50;
    border-radius: 2px;
    padding: 0 1px;
    font-weight: inherit;
}
.search-no-result {
    padding: 12px;
    text-align: center;
    font-size: 13px;
    color: #aaa;
}

/* ─── GIAPHA TREE EDITOR ─────────────────────────────────────── */
body.page-giapha {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.giapha-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: 360px;
    background-color: #ffffff;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
    z-index: 10;
    flex-shrink: 0;
    transition: width 0.25s ease, padding 0.25s ease, opacity 0.25s ease;
}

body.sidebar-collapsed .sidebar {
    width: 0;
    padding: 0;
    opacity: 0;
    overflow: hidden;
    box-shadow: none;
}

h2, h3 {
    color: #2c3e50;
    margin-bottom: 5px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 5px;
}

/* Tree container */
.tree-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    background-color: #fafafa;
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 20px 20px;
    cursor: grab;
    user-select: none;
    touch-action: none;
    -ms-touch-action: none;
}
.tree-container:active { cursor: grabbing; }

/* Read-only mode */
body.readonly-mode #root-actions,
body.readonly-mode #form-container,
body.readonly-mode .edit-actions,
body.readonly-mode #delete-tree-btn { display: none !important; }

.view-only-notice {
    display: none;
    font-size: 12px;
    color: #856404;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    padding: 6px 10px;
}
body.readonly-mode .view-only-notice { display: block; }

/* Tree CSS */
#tree-root {
    position: absolute;
    top: 50px;
    left: 50%;
    transform-origin: top center;
    will-change: transform;
}

.tree ul {
    padding-top: 20px;
    position: relative;
    display: flex;
    justify-content: center;
}

.tree li {
    text-align: center;
    list-style-type: none;
    position: relative;
    padding: 20px 7px 0 7px;
}

.tree li::before, .tree li::after {
    content: '';
    position: absolute; top: 0; right: 50%;
    border-top: 2px solid #ccc;
    width: 50%; height: 20px;
}
.tree li::after { right: auto; left: 50%; border-left: 2px solid #ccc; }
.tree li:only-child::after, .tree li:only-child::before { display: none; }
.tree li:only-child { padding-top: 0; }
.tree li:first-child::before, .tree li:last-child::after { border: 0 none; }
.tree li:last-child::before { border-right: 2px solid #ccc; border-radius: 0 5px 0 0; }
.tree li:first-child::after { border-radius: 5px 0 0 0; }
.tree ul ul::before {
    content: '';
    position: absolute; top: 0; left: 50%;
    border-left: 2px solid #ccc;
    width: 0; height: 20px;
}

/* Member blocks & cards */
.member-block {
    display: inline-flex;
    align-items: flex-start;
    gap: 5px;
    background: #fff;
    padding: 6px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 2px solid #bdc3c7;
}

.card {
    min-width: 140px;
    max-width: 180px;
    padding: 10px;
    border-radius: 6px;
    text-align: center;
    font-size: 13px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid transparent;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 4px 8px rgba(0,0,0,0.15); }
.card.card-selected { border-color: #2ecc71 !important; box-shadow: 0 0 12px rgba(46,204,113,0.6); }

.gender-nam { background-color: #d7ecfb; color: #1f4e79; border: 1px solid #aed6f1; }
.gender-nu  { background-color: #fdebd0; color: #7e5109; border: 1px solid #f9e79f; }

.card .name  { font-weight: bold; font-size: 14px; margin-bottom: 4px; word-break: break-word; color: inherit; }
.card .years { font-size: 11px; opacity: 0.8; }
.card .parent-spouse { font-size: 11px; color: #7f8c8d; font-style: italic; margin-top: 3px; }
.card .order { display: inline-block; background: rgba(0,0,0,0.08); padding: 2px 6px; border-radius: 10px; font-size: 10px; margin-top: 5px; font-weight: 600; }

.spouse-container { display: flex; gap: 5px; }
.spouse-sign { align-self: center; font-weight: bold; color: #e74c3c; font-size: 16px; }

/* Zoom controls */
.zoom-controls {
    position: absolute; bottom: 20px; right: 20px;
    display: flex; flex-direction: column; gap: 8px; z-index: 100;
}
.zoom-controls button {
    width: 45px; height: 45px; padding: 0;
    border-radius: 50%; background: #ffffff; color: #333;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15); font-size: 20px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid #e2e8f0;
}
.zoom-controls button:hover { background: #3498db; color: white; transform: scale(1.05); }

/* Sidebar toggle */
.sidebar-toggle {
    position: absolute; top: 14px; left: 14px; z-index: 150;
    width: 46px; height: 46px; border-radius: 50%;
    background: #ffffff; color: #2c3e50; border: 1px solid #d1d9e0;
    box-shadow: 0 6px 14px rgba(0,0,0,0.12); font-size: 22px; line-height: 1; padding: 0;
}
.sidebar-toggle:hover { background: #3498db; color: #fff; }

/* Print mode */
body.print-mode .app-header,
body.print-mode .sidebar,
body.print-mode .zoom-controls,
body.print-mode .sidebar-toggle { display: none !important; }

body.print-mode .giapha-body { height: 100vh; }

body.print-mode .tree-container {
    width: 100vw; height: 100vh;
    background: #fff; background-image: none; cursor: default;
}
body.print-mode #tree-root { left: 0 !important; top: 0 !important; transform-origin: top left !important; }
body.print-mode .card,
body.print-mode .member-block { box-shadow: none !important; transform: none !important; }
body.print-mode .card.card-selected { border-color: #bdc3c7 !important; box-shadow: none !important; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1000px) {
    .sidebar { width: 300px; }
    .card { min-width: 130px; max-width: 160px; }
}

@media (max-width: 700px) {
    .sidebar {
        position: absolute; left: 0; top: 0;
        height: 100%; z-index: 130; width: 280px;
    }
    body.sidebar-collapsed .sidebar { display: none; }
    .card { min-width: 120px; max-width: 150px; font-size: 13px; }
    .zoom-controls { right: 12px; bottom: 12px; }
    .sidebar-toggle { top: 10px; left: 10px; }

    .families-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; gap: 0; }
    .hero-card { padding: 40px 24px; }
    .app-main { padding: 20px 16px; }
    .app-header { padding: 0 12px; }
    .header-title { max-width: 120px; font-size: 13px; }
    .brand-name { display: none; }
}

/* ─── Print ──────────────────────────────────────────────────── */
@media print {
    @page { size: A0 landscape; margin: 8mm; }
    body {
        margin: 0; padding: 0; overflow: visible;
        background: #fff;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
    .app-header, .sidebar, .zoom-controls, .sidebar-toggle { display: none !important; }
    .tree-container {
        width: 100vw !important; height: 100vh !important;
        background: #fff !important; background-image: none !important;
        overflow: visible;
    }
}