/* ============================================
   Family Tree Editor - Styles
   ============================================ */

:root {
    --primary: #4A7DFF;
    --primary-hover: #3A6AE8;
    --primary-light: #EBF0FF;
    --danger: #EF4444;
    --danger-hover: #DC2626;
    --success: #22C55E;
    --warning: #F59E0B;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --male-color: #4A7DFF;
    --female-color: #EC4899;
    --male-bg: #EBF0FF;
    --female-bg: #FDF2F8;
    --node-size: 80px;
    --navbar-height: 56px;
    --sidebar-width: 340px;
    --connection-color: #CBD5E1;
    --welcome-overlay: rgba(248, 250, 252, 0.95);
    --canvas-dot: #E2E8F0;
}

/* Dark theme */
[data-theme="dark"] {
    --primary: #6B9AFF;
    --primary-hover: #5A87F0;
    --primary-light: #1E2A4A;
    --danger: #F87171;
    --danger-hover: #EF4444;
    --success: #4ADE80;
    --warning: #FBBF24;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --bg-primary: #1E293B;
    --bg-secondary: #0F172A;
    --bg-tertiary: #334155;
    --border: #334155;
    --border-light: #1E293B;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --male-color: #6B9AFF;
    --female-color: #F472B6;
    --male-bg: #1E2A4A;
    --female-bg: #3B1A2E;
    --connection-color: #475569;
    --welcome-overlay: rgba(15, 23, 42, 0.95);
    --canvas-dot: #334155;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* ============================================
   Navbar
   ============================================ */

.navbar {
    height: var(--navbar-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
    position: relative;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-icon {
    color: var(--primary);
}

.navbar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.navbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    font-family: inherit;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    height: calc(100vh - var(--navbar-height));
    position: relative;
    overflow: hidden;
}

/* ============================================
   Tree Container
   ============================================ */

.tree-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    cursor: grab;
    background:
        radial-gradient(circle, var(--canvas-dot) 1px, transparent 1px);
    background-size: 24px 24px;
}

.tree-container.grabbing {
    cursor: grabbing;
}

.tree-viewport {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
    will-change: transform;
}

.tree-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 10000px;
    height: 10000px;
    pointer-events: none;
    z-index: 1;
}

.tree-connections line,
.tree-connections path {
    stroke: var(--connection-color);
    stroke-width: 2;
    fill: none;
}

.tree-nodes {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

/* ============================================
   Tree Node
   ============================================ */

.tree-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 0.1s ease;
}

.tree-node:hover .node-circle {
    transform: scale(1.05);
}

.tree-node.selected .node-circle {
    box-shadow: 0 0 0 3px var(--primary);
}

.node-circle {
    width: var(--node-size);
    height: var(--node-size);
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 3px solid var(--connection-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all 0.2s ease;
    position: relative;
}

.node-circle.male {
    border-color: var(--male-color);
    background: var(--male-bg);
}

.node-circle.female {
    border-color: var(--female-color);
    background: var(--female-bg);
}

.node-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.node-circle .node-avatar-placeholder {
    color: var(--text-muted);
}

.node-circle.male .node-avatar-placeholder {
    color: var(--male-color);
    opacity: 0.5;
}

.node-circle.female .node-avatar-placeholder {
    color: var(--female-color);
    opacity: 0.5;
}

.node-name {
    margin-top: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.node-badges {
    display: flex;
    gap: 3px;
    margin-top: 2px;
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
}

.node-badge {
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 9px;
    font-weight: 600;
    color: white;
    white-space: nowrap;
}

.node-badge.badge-self {
    background: var(--primary);
}

.node-badge.badge-relation {
    background: var(--success);
}

.node-badge.badge-spouse {
    background: var(--female-color);
}

/* Add Person Node (+ button) */
.add-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.add-node .node-circle {
    width: 60px;
    height: 60px;
    border: 2px dashed var(--connection-color);
    background: var(--bg-primary);
    cursor: pointer;
}

.add-node .node-circle:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.add-node .node-circle svg {
    color: var(--connection-color);
    transition: color 0.2s ease;
}

.add-node .node-circle:hover svg {
    color: var(--primary);
}

.add-node .node-label {
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-muted);
}

/* ============================================
   Tree Controls
   ============================================ */

.tree-controls {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 50;
}

.control-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.control-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ============================================
   Save Image Button
   ============================================ */

.save-image-btn {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 50;
    font-family: inherit;
    box-shadow: var(--shadow-sm);
}

.save-image-btn:hover {
    background: var(--primary-light);
}

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
    position: absolute;
    top: 0;
    right: -340px;
    width: var(--sidebar-width);
    height: 100%;
    background: var(--bg-primary);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 80;
    overflow-y: auto;
    transition: right 0.3s ease;
    padding: 16px;
}

.sidebar.open {
    right: 0;
}

.sidebar-header {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-bottom: 16px;
}

.sidebar-edit-btn,
.sidebar-close-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.sidebar-edit-btn:hover,
.sidebar-close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.person-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 3px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    overflow: hidden;
}

.person-avatar-large.male {
    border-color: var(--male-color);
    background: var(--male-bg);
}

.person-avatar-large.female {
    border-color: var(--female-color);
    background: var(--female-bg);
}

.person-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.person-name {
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.person-dates {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Sidebar Sections */
.sidebar-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.section-add-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}

.section-add-btn:hover {
    text-decoration: underline;
}

/* Relatives List */
.relatives-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.relative-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s ease;
}

.relative-item:hover {
    background: var(--bg-tertiary);
}

.relative-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.relative-avatar.male {
    border-color: var(--male-color);
    background: var(--male-bg);
}

.relative-avatar.female {
    border-color: var(--female-color);
    background: var(--female-bg);
}

.relative-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.relative-relation {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.relative-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Events List */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.event-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.event-label {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

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

/* Biography */
.biography-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Danger section */
.sidebar-danger {
    border-bottom: none;
    padding-top: 8px;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 125, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.gender-selector {
    display: flex;
    gap: 8px;
}

.gender-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg-primary);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    font-family: inherit;
}

.gender-btn.active[data-gender="male"] {
    border-color: var(--male-color);
    background: var(--male-bg);
    color: var(--male-color);
}

.gender-btn.active[data-gender="female"] {
    border-color: var(--female-color);
    background: var(--female-bg);
    color: var(--female-color);
}

.gender-btn:hover {
    border-color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}

.edit-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* ============================================
   Modals
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(2px);
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-sm {
    max-width: 380px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 12px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

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

.modal-body {
    padding: 12px 24px 24px;
}

/* Relation Options */
.relation-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.relation-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    color: var(--text-secondary);
}

.relation-option:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.relation-option span {
    font-size: 12px;
    font-weight: 500;
}

/* ============================================
   Welcome Screen
   ============================================ */

.welcome-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--welcome-overlay);
    z-index: 60;
}

.welcome-card {
    text-align: center;
    padding: 48px;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
}

.welcome-card h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 20px 0 8px;
}

.welcome-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.welcome-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.welcome-actions .btn {
    justify-content: center;
}

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

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 500;
    z-index: 300;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.error {
    background: var(--danger);
}

.toast.success {
    background: var(--success);
}

/* ============================================
   Scrollbar
   ============================================ */

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

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

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   Theme Toggle & Language Switcher
   ============================================ */

.navbar-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--text-secondary);
    padding: 0;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.lang-switch {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 36px;
}

.lang-btn {
    padding: 0 10px;
    height: 100%;
    border: none;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.lang-btn:not(:last-child) {
    border-right: 1px solid var(--border);
}

.lang-btn.active {
    background: var(--primary);
    color: white;
}

.lang-btn:hover:not(.active) {
    background: var(--bg-tertiary);
}

/* ============================================
   Hamburger Button (hidden on desktop)
   ============================================ */

.hamburger-btn {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: 8px;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.hamburger-btn:hover {
    background: var(--bg-tertiary);
}

/* ============================================
   Mobile Menu (hidden by default)
   ============================================ */

.mobile-menu {
    display: none;
}

.mobile-menu.active {
    display: flex;
}

/* ============================================
   Mobile Menu Overlay
   ============================================ */

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    backdrop-filter: blur(2px);
}

.mobile-menu-overlay.active {
    display: block;
}

/* ============================================
   Responsive — Tablet (max-width: 768px)
   ============================================ */

@media (max-width: 768px) {
    /* Navbar adjustments */
    .navbar {
        padding: 0 12px;
        gap: 8px;
    }

    .navbar-right .btn span {
        display: none;
    }

    .navbar-right .btn {
        padding: 8px;
    }

    .navbar-title {
        font-size: 15px;
    }

    .navbar-center {
        display: none;
    }

    /* Sidebar full width on tablet */
    .sidebar {
        width: 100%;
        right: -100%;
    }

    :root {
        --sidebar-width: 100%;
    }

    .sidebar.open {
        right: 0;
    }

    /* Modals */
    .relation-options {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Welcome card */
    .welcome-card {
        padding: 32px 24px;
        margin: 0 16px;
        max-width: none;
    }

    .welcome-card h2 {
        font-size: 19px;
    }

    /* Tree controls */
    .tree-controls {
        right: 10px;
    }

    .save-image-btn span {
        display: none;
    }

    .save-image-btn {
        padding: 10px;
        border-radius: 50%;
        bottom: 16px;
        left: 16px;
    }
}

/* ============================================
   Responsive — Mobile (max-width: 480px)
   ============================================ */

@media (max-width: 480px) {
    /* Show hamburger, hide desktop nav items */
    .hamburger-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .navbar {
        padding: 0 8px;
        gap: 4px;
    }

    .navbar-icon {
        width: 22px;
        height: 22px;
    }

    .navbar-title {
        font-size: 14px;
    }

    .navbar-center {
        display: none;
    }

    /* Hide action buttons in navbar — they move to mobile menu */
    .navbar-right #btnImport,
    .navbar-right #btnExport,
    .navbar-right #btnNewTree {
        display: none;
    }

    /* Navbar right: only show theme + lang on mobile */
    .navbar-right {
        gap: 4px;
    }

    .navbar-controls {
        gap: 4px;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
    }

    .lang-switch {
        height: 32px;
    }

    .lang-btn {
        padding: 0 8px;
        font-size: 11px;
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        z-index: 160;
        padding: 12px;
        flex-direction: column;
        gap: 8px;
    }

    .mobile-menu.active {
        display: flex;
    }

    .mobile-menu .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
        font-size: 14px;
    }

    .mobile-menu .btn span {
        display: inline;
    }

    .mobile-menu .mobile-stats {
        text-align: center;
        font-size: 13px;
        color: var(--text-secondary);
        padding: 4px 0;
    }

    /* Sidebar */
    .sidebar {
        width: 100%;
        right: -100%;
    }

    .sidebar.open {
        right: 0;
    }

    .sidebar {
        padding: 12px;
    }

    .person-name {
        font-size: 18px;
    }

    /* Modals: full width on mobile */
    .modal {
        width: 95%;
        max-width: none;
        margin: 8px;
        border-radius: var(--radius-lg);
    }

    .modal-sm {
        max-width: none;
    }

    .modal-header {
        padding: 16px 16px 8px;
    }

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

    .modal-body {
        padding: 8px 16px 16px;
    }

    .relation-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .relation-option {
        padding: 12px 6px;
    }

    .relation-option span {
        font-size: 11px;
    }

    /* Welcome screen */
    .welcome-card {
        padding: 24px 16px;
        margin: 0 12px;
    }

    .welcome-card svg {
        width: 48px;
        height: 48px;
    }

    .welcome-card h2 {
        font-size: 17px;
        margin: 16px 0 6px;
    }

    .welcome-card p {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .welcome-actions .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* Tree controls: bottom right on mobile */
    .tree-controls {
        right: 8px;
        top: auto;
        bottom: 70px;
        transform: none;
    }

    .control-btn {
        width: 40px;
        height: 40px;
    }

    /* Save image button */
    .save-image-btn {
        bottom: 12px;
        left: 12px;
        padding: 10px;
        border-radius: 50%;
    }

    .save-image-btn span {
        display: none;
    }

    /* Toast: adjust for mobile */
    .toast {
        left: 16px;
        right: 16px;
        transform: translateY(100px);
        text-align: center;
        font-size: 13px;
        padding: 10px 16px;
    }

    .toast.show {
        transform: translateY(0);
    }

    /* Forms: slightly larger touch targets */
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 12px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    .gender-btn {
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .form-actions .btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    /* Edit form */
    .edit-title {
        font-size: 16px;
        margin-bottom: 16px;
    }

    /* Sidebar sections */
    .sidebar-section {
        margin-bottom: 16px;
        padding-bottom: 16px;
    }

    /* Relative items: slightly larger */
    .relative-item {
        padding: 10px 8px;
    }

    /* Confirm modal */
    .confirm-actions {
        gap: 8px;
    }
}

/* ============================================
   Responsive — Small Mobile (max-width: 360px)
   ============================================ */

@media (max-width: 360px) {
    .navbar-title {
        font-size: 12px;
    }

    .navbar {
        padding: 0 6px;
    }

    .welcome-card {
        padding: 20px 12px;
        margin: 0 8px;
    }

    .welcome-card h2 {
        font-size: 15px;
    }

    .relation-options {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
}

/* ============================================
   Touch-friendly improvements
   ============================================ */

@media (hover: none) and (pointer: coarse) {
    /* Larger tap targets for touch devices */
    .control-btn {
        width: 44px;
        height: 44px;
    }

    .sidebar-edit-btn,
    .sidebar-close-btn {
        width: 40px;
        height: 40px;
    }

    .section-add-btn {
        padding: 4px 8px;
        font-size: 14px;
    }

    .modal-close {
        width: 40px;
        height: 40px;
    }

    /* Prevent double-tap zoom */
    .tree-node,
    .add-node,
    .btn,
    .control-btn,
    .relative-item {
        touch-action: manipulation;
    }
}