:root {
    /* Primary palette */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #667eea;
    --primary-600: #5a67d8;
    --primary-700: #4f46e5;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    --primary: var(--primary-500);
    --primary-dark: var(--primary-600);
    --secondary: #764ba2;

    /* Semantic colors */
    --success: #48bb78;
    --success-light: rgba(72, 187, 120, 0.12);
    --warning: #ed8936;
    --warning-light: rgba(237, 137, 54, 0.12);
    --danger: #f56565;
    --danger-light: rgba(245, 101, 101, 0.12);
    --info: #4299e1;
    --info-light: rgba(66, 153, 225, 0.12);

    /* Surfaces */
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --surface-muted: #f8fafc;
    --surface-hover: #f1f5f9;

    /* Text */
    --text: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;

    /* Borders */
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;

    /* Typography */
    --text-xs: 0.7rem;
    --text-sm: 0.8rem;
    --text-base: 0.95rem;
    --text-lg: 1.1rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --bottom-nav-height: 64px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --sidebar-width: 220px;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 16px);
    line-height: 1.5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-md);
}

.page {
    display: none;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.page.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

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

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
}

.header h1 {
    margin: 0;
    font-size: var(--text-xl);
    color: var(--primary-dark);
    transition: opacity var(--transition-fast);
    text-align: left;
}

.subtitle {
    color: var(--text-light);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

.user-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.user-role-badge {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: bold;
    color: white;
    box-shadow: var(--shadow-sm);
}

.user-role-badge.role-admin {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.user-role-badge.role-parent {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.user-role-badge.role-child {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    color: #064e3b;
}

.logout-link {
    font-size: var(--text-sm);
    color: var(--text-light);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.logout-link:hover {
    color: var(--danger);
    background: var(--danger-light);
}

/* Permission hint */
.permission-hint {
    background: var(--primary-50);
    border-left: 4px solid var(--primary);
    padding: var(--space-md) var(--space-lg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.permission-hint.child-view {
    border-left-color: var(--success);
    background: var(--success-light);
}

/* ==================== Cards ==================== */

.card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text);
}

.card-title.form-toggle-header {
    cursor: pointer;
    user-select: none;
    justify-content: space-between;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 0;
}

.card-title.form-toggle-header .toggle-icon {
    font-size: var(--text-sm);
    color: var(--text-light);
    transition: transform var(--transition-fast);
}

.card-title.form-toggle-header.open .toggle-icon {
    transform: rotate(180deg);
}

.card-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
}

.strategy-card {
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-md);
    text-align: center;
    color: white;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.strategy-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

/* ==================== Section header ==================== */

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.section-header .title {
    font-size: var(--text-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-header .action {
    font-size: var(--text-sm);
    color: var(--primary);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.section-header .action:hover {
    background: var(--primary-50);
}

/* ==================== Stats ==================== */

.stats-summary {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.stat-tag {
    background: var(--surface);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    box-shadow: var(--shadow-sm);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.score-board {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-card.total::before { background: linear-gradient(90deg, #667eea, #764ba2); }
.stat-card.today::before { background: linear-gradient(90deg, #f6d365, #fda085); }
.stat-card.streak::before { background: linear-gradient(90deg, #f093fb, #f5576c); }
.stat-card.quality::before { background: linear-gradient(90deg, #43e97b, #38f9d7); }

.stat-card .stat-label {
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.stat-card .stat-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-dark);
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.quick-stat {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.quick-stat .label {
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-bottom: var(--space-xs);
}

.quick-stat .value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-dark);
}

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

.add-task-form .input-group {
    margin-bottom: var(--space-md);
}

.add-task-form label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.add-task-form input,
.add-task-form select,
.add-task-form textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    background: var(--surface);
    color: var(--text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.add-task-form input:focus,
.add-task-form select:focus,
.add-task-form textarea:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.add-task-form input.input-error,
.add-task-form select.input-error,
.add-task-form textarea.input-error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-light);
    animation: shake 0.3s ease;
}

.add-task-form textarea {
    min-height: 80px;
    resize: vertical;
}

.form-row,
.form-row-3 {
    display: grid;
    gap: var(--space-md);
}

.form-row {
    grid-template-columns: repeat(2, 1fr);
}

.form-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-collapsible {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition-slow), opacity var(--transition-normal), padding var(--transition-normal);
}

.form-collapsible.open {
    max-height: 2000px;
    opacity: 1;
    padding-top: var(--space-md);
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: calc(-1 * var(--space-xs));
    margin-bottom: var(--space-md);
}

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

.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-icon,
.btn-small,
.btn-danger {
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    min-height: 44px;
    padding: 10px 16px;
}

.btn-primary:active,
.btn-secondary:active,
.btn-ghost:active,
.btn-icon:active,
.btn-small:active,
.btn-danger:active {
    transform: scale(0.98);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    opacity: 0.95;
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--border-light);
    color: var(--text-secondary);
}

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

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

.btn-ghost:hover {
    background: var(--primary-50);
}

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

.btn-danger:hover {
    background: #e53e3e;
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-xs);
    min-height: 32px;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    background: var(--surface);
    box-shadow: var(--shadow);
}

/* ==================== Task list ==================== */

.task-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.task-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--primary);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.task-item:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}

.task-item.completed {
    border-left-color: var(--success);
    opacity: 0.85;
}

.task-item.failed {
    border-left-color: var(--danger);
}

.task-item.submitted {
    border-left-color: var(--warning, #dd6b20);
    background: var(--warning-light, #fffaf0);
}

.task-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.card-title.has-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.card-title.has-action .btn-small {
    flex-shrink: 0;
}

/* ==================== 照片选择器（拍照 / 本地） ==================== */

.photo-picker {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.photo-picker-btns {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.photo-picker-btns .btn-small {
    flex: 1 1 auto;
    min-width: 120px;
}

.photo-picker-name {
    font-size: var(--text-sm);
    color: var(--text-light);
    word-break: break-all;
}

/* 拍照按钮仅在移动端显示；PC 端直接“选择图片” */
.photo-cam-btn {
    display: none;
}

body.is-mobile .photo-cam-btn {
    display: inline-flex;
}

.task-status-tag {
    display: inline-block;
    margin-left: var(--space-sm);
    padding: 1px var(--space-sm);
    border-radius: var(--radius-full);
    background: var(--warning-light, #fffaf0);
    color: var(--warning, #dd6b20);
    border: 1px solid var(--warning, #dd6b20);
    font-size: var(--text-xs);
    font-weight: 600;
    vertical-align: middle;
}

.review-task-name {
    text-align: center;
    font-weight: 700;
    color: var(--text);
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-lg);
}

.task-info h4 {
    margin: 0 0 var(--space-xs) 0;
    font-size: var(--text-base);
    color: var(--text);
}

.task-meta {
    font-size: var(--text-xs);
    color: var(--text-light);
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.task-actions {
    display: flex;
    gap: var(--space-sm);
}

.task-actions button {
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    cursor: pointer;
    min-height: 36px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.btn-done:hover {
    background: #38a169;
}

/* ==================== Empty / Loading / Error states ==================== */

.empty-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-light);
}

.empty-icon {
    font-size: 2.5em;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
}

.empty-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.empty-desc {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: var(--space-md);
}

.empty-state .btn-primary {
    width: auto;
    display: inline-flex;
    padding: 10px 24px;
}

.loading-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-light);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--space-md);
}

.error-state {
    background: var(--danger-light);
    border-radius: var(--radius-md);
}

.error-state .empty-icon {
    color: var(--danger);
}

/* ==================== Charts ==================== */

.chart-container {
    position: relative;
    height: 220px;
    width: 100%;
}

.chart-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.chart-legend {
    text-align: center;
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-light);
}

/* ==================== Dimensions ==================== */

.dimension-total {
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
}

.dimension-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.dimension-card {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: transform var(--transition-fast);
}

.dimension-card:hover {
    transform: translateY(-2px);
}

.dimension-card .name {
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.dimension-card .bar {
    height: 8px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.dimension-card .bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

.dimension-card .score {
    text-align: right;
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-top: var(--space-xs);
}

/* ==================== Events ==================== */

.event-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.event-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: transform var(--transition-fast);
}

.event-item:hover {
    transform: translateX(2px);
}

.event-item .title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text);
}

.event-item .date {
    font-size: var(--text-xs);
    color: var(--text-light);
}

/* ==================== Finance ==================== */

.finance-hero {
    text-align: center;
}

.finance-hero-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.finance-hero-label {
    font-size: var(--text-sm);
    letter-spacing: 0.02em;
    opacity: 0.92;
}

.finance-phase-badge {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 3px var(--space-sm);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(2px);
    white-space: nowrap;
}

.finance-hero-value {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.finance-hero-chips {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.finance-chip {
    font-size: var(--text-xs);
    padding: 4px var(--space-md);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.14);
    opacity: 0.95;
}

.finance-chip b {
    font-weight: 700;
    margin-left: 2px;
}

.finance-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    text-align: center;
    margin-top: var(--space-lg);
}

.finance-stat {
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-sm);
}

.finance-stat .label {
    font-size: var(--text-xs);
    opacity: 0.85;
}

.finance-stat .value {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-top: var(--space-xs);
}

.finance-stat .value.is-up {
    color: #b9f6ca;
}

.finance-stat .value.is-down {
    color: #ffcdd2;
}

.trade-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.trade-list,
.coin-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.trade-item,
.coin-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    border-left: 3px solid var(--border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.trade-item:hover,
.coin-item:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}

.trade-item.is-up,
.coin-item.earn {
    border-left-color: var(--success);
}

.trade-item.is-down,
.coin-item.use {
    border-left-color: var(--danger);
}

.item-main {
    min-width: 0;
}

.item-main strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-meta {
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-top: 2px;
}

.item-amount {
    font-weight: 700;
    font-size: var(--text-base);
    white-space: nowrap;
    color: var(--text);
}

.trade-item.is-up .item-amount,
.coin-item.earn .item-amount {
    color: var(--success);
}

.trade-item.is-down .item-amount,
.coin-item.use .item-amount {
    color: var(--danger);
}

.phase-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.phase-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-fast);
}

.phase-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

.phase-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}

.phase-item.active .phase-dot {
    background: white;
}

/* ==================== Board ==================== */

.review-form .input-group {
    margin-bottom: var(--space-md);
}

.next-year-goals {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.goal-input {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.goal-input label {
    display: block;
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-light);
}

.goal-input input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
}

/* ==================== Rewards ==================== */

/* ==================== Rewards hero ==================== */

.points-hero {
    text-align: center;
}

.points-hero-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.points-hero-label {
    font-size: var(--text-sm);
    letter-spacing: 0.02em;
    opacity: 0.92;
}

.points-hero-badge {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 3px var(--space-sm);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(2px);
    white-space: nowrap;
}

.points-hero-value {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.points-hero-chips {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.points-chip {
    font-size: var(--text-xs);
    padding: 4px var(--space-md);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.14);
    opacity: 0.95;
}

/* ==================== Rewards grid ==================== */

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.reward-card {
    position: relative;
    min-width: 0;
    background: var(--surface-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    border: 2px solid transparent;
}

.reward-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-100);
}

.reward-card .icon {
    font-size: 2.4em;
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.reward-card .name {
    font-size: var(--text-base);
    margin-bottom: var(--space-md);
    font-weight: 600;
    line-height: 1.3;
    word-break: break-word;
}

.reward-card .cost {
    display: inline-block;
    color: var(--primary);
    background: var(--primary-100);
    font-weight: 700;
    font-size: var(--text-sm);
    padding: 3px var(--space-md);
    border-radius: var(--radius-full);
}

.reward-card .reward-lock {
    display: none;
    margin-top: var(--space-sm);
    font-size: var(--text-xs);
    color: var(--text-light);
}

/* 积分不足：置灰、锁定，但仍可点击（后端会拦截并提示） */
.reward-card.locked {
    opacity: 0.6;
}

.reward-card.locked .cost {
    color: var(--text-light);
    background: var(--surface-muted);
}

.reward-card.locked .reward-lock {
    display: block;
}

.reward-card.affordable {
    border-color: var(--primary-100);
}

/* 兑换商品管理 */
.reward-form {
    background: var(--surface-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.reward-form .form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
}

.reward-form input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    font-size: var(--text-sm);
}

.reward-form input#rewardName {
    flex: 1 1 140px;
    min-width: 140px;
}

.reward-form input#rewardIcon {
    width: 90px;
    text-align: center;
}

.reward-form input#rewardPoints {
    width: 110px;
}

.reward-form .btn-primary {
    padding: 10px 16px;
    font-size: var(--text-sm);
}

.form-error {
    color: var(--danger);
    font-size: var(--text-sm);
    margin-top: var(--space-sm);
    min-height: 1.2em;
}

.reward-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.reward-card:hover .reward-actions {
    opacity: 1;
}

.reward-actions .btn-icon {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 14px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    cursor: pointer;
}

.reward-actions .btn-icon:hover {
    background: var(--surface-hover);
}

.reward-actions .btn-danger {
    color: var(--danger);
}

/* ==================== Custom cash exchange ==================== */

.custom-reward {
    background: var(--surface-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.custom-reward-title {
    font-weight: 700;
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
}

.custom-reward-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.input-coins {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.input-coins input {
    width: 90px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--text-base);
    background: var(--surface);
}

.custom-reward-cost {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

.custom-reward-cost span {
    color: var(--primary);
    font-weight: 700;
}

.custom-reward-cost small {
    display: block;
    color: var(--text-light);
    margin-top: 3px;
}

.custom-reward-btn {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

@media (min-width: 640px) {
    .custom-reward {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-md);
        text-align: left;
    }

    .custom-reward-title {
        flex: 1 1 auto;
        margin-bottom: 0;
    }

    .custom-reward-body {
        flex: 1 1 auto;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .input-coins,
    .custom-reward-cost {
        margin: 0;
    }

    .custom-reward-cost {
        text-align: right;
    }

    .custom-reward-btn {
        width: auto;
        min-width: 120px;
    }
}

/* ==================== Redeem history ==================== */

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.history-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
}

.history-item .history-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.history-item .history-name {
    font-weight: 600;
    font-size: var(--text-sm);
    line-height: 1.3;
    word-break: break-word;
}

.history-item .history-date {
    font-size: var(--text-xs);
    color: var(--text-light);
}

.history-item .points {
    color: var(--danger);
    font-weight: 700;
    white-space: nowrap;
}

.points-hint {
    background: var(--warning-light);
    border-left: 4px solid var(--warning);
    padding: var(--space-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ==================== Badges ==================== */

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-md);
}

.badge-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-sm);
    text-align: center;
    opacity: 0.5;
    transition: all var(--transition-fast);
    min-height: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.badge-item.unlocked {
    opacity: 1;
    background: linear-gradient(135deg, #fff9c4, #fff176);
    box-shadow: var(--shadow-sm);
}

.badge-item .icon {
    font-size: 2em;
    margin-bottom: var(--space-xs);
}

.badge-item .name {
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1.3;
}

.badge-item .desc {
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-top: var(--space-xs);
    line-height: 1.3;
}

/* ==================== Desktop side navigation (hidden on mobile) ==================== */

.desktop-nav {
    display: none;
}

/* ==================== Bottom navigation ==================== */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    display: flex;
    justify-content: space-around;
    padding: 6px 0 calc(6px + var(--safe-bottom));
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    height: var(--bottom-nav-height);
}

.bottom-nav::-webkit-scrollbar {
    display: none;
}

.nav-item {
    flex: 1 0 auto;
    min-width: 56px;
    max-width: 90px;
    scroll-snap-align: center;
    border: none;
    background: none;
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-light);
    font-size: var(--text-xs);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    white-space: nowrap;
    position: relative;
    transition: color var(--transition-fast);
    height: 100%;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.nav-icon {
    font-size: 1.4em;
}

.nav-label-short {
    display: inline;
}

.nav-label-full {
    display: none;
}

/* ==================== Floating action button ==================== */

.fab-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 16px);
    right: 16px;
    z-index: 1000;
}

.fab-main {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: var(--text);
    color: white;
    font-size: 1.3em;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.fab-main:hover {
    box-shadow: var(--shadow-lg);
}

.fab-main.active {
    transform: rotate(45deg);
}

.fab-menu {
    position: absolute;
    bottom: 64px;
    right: 0;
    display: none;
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-end;
}

.fab-menu.open {
    display: flex;
}

.fab-item-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.fab-label {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-fast);
}

.fab-menu.open .fab-item-wrap .fab-label {
    opacity: 1;
    transform: translateX(0);
}

.fab-item {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: var(--surface);
    box-shadow: var(--shadow);
    font-size: 1.2em;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.fab-item:hover {
    transform: scale(1.1);
}

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

.fab-item.danger:hover {
    background: #e53e3e;
}

#importFile {
    display: none;
}

/* ==================== Points float ==================== */

.points-float {
    position: fixed;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #f6d365, #fda085);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-weight: 700;
    box-shadow: var(--shadow);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
}

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: var(--space-md);
    backdrop-filter: blur(2px);
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalEnter 0.25s ease;
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.review-section {
    margin-bottom: var(--space-lg);
}

.review-label {
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.time-info {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

.time-status {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    background: var(--success-light);
    color: #22543d;
    font-size: var(--text-sm);
    font-weight: 600;
}

.quality-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.quality-btn {
    background: var(--surface-muted);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quality-btn:hover,
.quality-btn.selected {
    border-color: var(--primary);
    background: var(--primary-50);
}

.quality-btn .emoji {
    font-size: 1.8em;
    display: block;
}

.quality-btn .label {
    font-weight: 700;
    font-size: var(--text-sm);
}

.quality-btn .multiplier {
    font-size: var(--text-xs);
    color: var(--text-light);
}

.points-preview {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    margin: var(--space-lg) 0;
}

.points-preview .label {
    font-size: var(--text-sm);
    opacity: 0.9;
}

.points-preview .value {
    font-size: 2.5em;
    font-weight: 800;
}

.points-preview .calculation {
    font-size: var(--text-xs);
    opacity: 0.9;
}

.modal-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.btn-cancel,
.btn-confirm {
    padding: 12px;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    cursor: pointer;
    font-weight: 600;
    min-height: 44px;
}

.btn-cancel {
    background: var(--border-light);
    color: var(--text);
}

.btn-confirm {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

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

.toast {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    pointer-events: none;
    z-index: 3000;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(4px);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success { background: rgba(72, 187, 120, 0.95); }
.toast.error { background: rgba(245, 101, 101, 0.95); }

/* ==================== Celebration ==================== */

.celebration {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5em;
    display: none;
    z-index: 2500;
    pointer-events: none;
}

.celebration.show {
    display: block;
    animation: pop 0.8s ease;
}

/* ==================== Strategic goals ==================== */

.strategic-goals {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.strategic-goal {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: transform var(--transition-fast);
}

.strategic-goal:hover {
    transform: translateX(3px);
}

.strategic-goal .icon {
    font-size: 1.8em;
    flex-shrink: 0;
}

.strategic-goal .content {
    flex: 1;
}

.strategic-goal .title {
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.strategic-goal .desc {
    font-size: var(--text-sm);
    color: var(--text-light);
}

/* ==================== Milestones ==================== */

.milestones-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.milestone-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.milestone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xs);
    font-weight: 700;
}

.milestone-age {
    font-size: var(--text-xs);
    color: var(--primary);
    background: var(--primary-50);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.milestone-target {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: var(--space-md);
}

.milestone-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.milestone-progress .bar {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.milestone-progress .bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #68d391);
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

.milestone-progress .score {
    font-size: var(--text-xs);
    color: var(--text-light);
    min-width: 50px;
    text-align: right;
}

/* ==================== Family coins ==================== */

.coin-balance {
    text-align: center;
    font-size: var(--text-base);
    margin-bottom: var(--space-md);
    color: var(--text-light);
}

/* ==================== Meetings & Evaluations ==================== */

.meeting-list,
.evaluation-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.meeting-item,
.evaluation-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: transform var(--transition-fast);
}

.meeting-item:hover,
.evaluation-item:hover {
    transform: translateX(2px);
}

.meeting-item .title,
.evaluation-item .title {
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

/* ==================== Phase details ==================== */

.phase-detail-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.phase-detail-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border-left: 4px solid var(--border);
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    transition: all var(--transition-fast);
}

.phase-detail-item.active {
    border-left-color: var(--primary);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
}

.phase-step {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    background: var(--border);
    color: var(--text-light);
    font-size: var(--text-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phase-detail-item.active .phase-step {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
}

.phase-body {
    min-width: 0;
    flex: 1;
}

.phase-detail-item .phase-title {
    font-weight: 700;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.phase-current-tag {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-100);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-full);
}

.phase-detail-item .phase-info {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.phase-detail-item .phase-focus {
    font-size: var(--text-sm);
    color: var(--text);
}

/* ==================== Reward status ==================== */

.reward-rules {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-light);
}

.reward-status {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.reward-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.reward-progress .bar {
    flex: 1;
    height: 10px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.reward-progress .bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--warning), var(--danger));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.reward-state {
    text-align: center;
    font-weight: 700;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
}

.reward-state.pending {
    color: var(--text-light);
}

.reward-state.unlocked {
    background: var(--success-light);
    color: var(--success);
}

.reward-state.max {
    background: linear-gradient(135deg, rgba(246, 211, 101, 0.3), rgba(253, 160, 133, 0.3));
    color: #c05621;
}

.reward-badge {
    display: inline-block;
    margin-top: var(--space-xs);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
}

.reward-badge.unlocked {
    background: var(--success-light);
    color: var(--success);
}

.reward-badge.max {
    background: linear-gradient(135deg, #f6d365, #fda085);
    color: white;
}

/* ==================== User management ==================== */

.user-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.user-item-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.user-item-actions {
    display: flex;
    gap: var(--space-sm);
}

.readonly-mask {
    display: none;
}

.admin-card {
    margin-bottom: 80px;
}

/* ==================== 孩子档案页 ==================== */
.current-child-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md);
    background: var(--surface-muted);
    border-radius: var(--radius-lg);
}

.current-child-card .child-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    flex-shrink: 0;
}

.current-child-card .child-name {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text);
}

.current-child-card .child-meta {
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.current-child-card .child-grade-hint {
    color: var(--primary);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

.children-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.child-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.child-item.current {
    border-color: var(--primary);
    background: var(--primary-50);
}

.child-item-name {
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.child-item-meta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.child-item-hint {
    font-size: var(--text-xs);
    color: var(--primary);
    margin-top: var(--space-xs);
}

.current-tag {
    background: var(--primary);
    color: white;
    font-size: var(--text-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.linked-tag {
    background: var(--success);
    color: white;
    font-size: var(--text-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.child-item-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.checkbox-row {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--text-base);
    color: var(--text-secondary);
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ==================== Growth & Academics records ==================== */

.metric-list,
.score-list {
    margin-top: var(--space-md);
}

.record-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: var(--surface-muted);
    margin-bottom: var(--space-sm);
    transition: transform var(--transition-fast);
}

.record-item:hover {
    transform: translateX(2px);
}

.record-item .record-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.record-item .record-title {
    font-weight: 700;
    color: var(--text);
    font-size: var(--text-sm);
}

.record-item .record-sub {
    font-size: var(--text-xs);
    color: var(--text-light);
}

.record-item .btn-delete {
    flex-shrink: 0;
}

.subject-tag {
    display: inline-block;
    padding: 1px 8px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: white;
    font-size: var(--text-xs);
    margin-right: var(--space-xs);
}

.score-badge {
    font-weight: 800;
    color: var(--primary);
}

/* ==================== Interests ==================== */

.interest-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.interest-item {
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.interest-item:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}

.interest-main {
    flex: 1;
}

.interest-title {
    font-weight: 700;
    font-size: var(--text-base);
    color: var(--text);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.interest-icon {
    font-size: 1.4em;
    line-height: 1;
}

.interest-target {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.interest-note {
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.interest-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.interest-progress .bar {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.interest-progress .bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

.interest-progress .score {
    font-size: var(--text-xs);
    color: var(--text-light);
    min-width: 40px;
    text-align: right;
}

.interest-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    justify-content: flex-end;
}

/* ==================== Photo gallery ==================== */

.photo-gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.photo-card {
    position: relative;
    flex: 1 1 130px;
    max-width: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--surface-muted);
    transition: transform var(--transition-fast);
}

.photo-card:hover {
    transform: scale(1.02);
}

.photo-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    cursor: pointer;
}

.photo-card .photo-meta {
    padding: 5px 6px;
    font-size: var(--text-xs);
    color: var(--text-light);
    background: var(--surface);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.photo-card .photo-del {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.55);
    color: white;
    border: none;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 照片放大查看 */
.modal-content.photo-lightbox {
    position: relative;
    max-width: min(92vw, 720px);
    padding: var(--space-md);
}

.photo-lightbox-img {
    display: block;
    width: 100%;
    max-height: 78vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.photo-lightbox-caption {
    text-align: center;
    margin-top: var(--space-md);
    color: var(--text);
    font-size: var(--text-sm);
}

.photo-lightbox-close {
    position: absolute;
    top: 10px;
    right: 12px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.2em;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== Wrong questions ==================== */

.wrong-list {
    margin-top: var(--space-md);
}

.wrong-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--space-sm);
}

.wrong-tab {
    padding: var(--space-xs) var(--space-md);
    border: none;
    background: none;
    color: var(--text-light);
    font-size: var(--text-sm);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.wrong-tab.active {
    background: var(--primary-50);
    color: var(--primary);
    font-weight: 600;
}

.wrong-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    background: var(--surface);
    transition: all var(--transition-fast);
}

.wrong-item.mastered {
    opacity: 0.7;
    background: var(--success-light);
    border-color: var(--success);
}

.wrong-item .wrong-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.wrong-item .wrong-q {
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-xs);
    white-space: pre-wrap;
}

.wrong-item .wrong-a {
    font-size: var(--text-sm);
    color: #38a169;
    white-space: pre-wrap;
}

.wrong-item img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin-top: var(--space-sm);
}

.wrong-item .wrong-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

/* ==================== Animations ==================== */

@keyframes pop {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

@keyframes modalEnter {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.page.active .card {
    animation: cardEnter 0.35s ease backwards;
}

.page.active .card:nth-child(1) { animation-delay: 0.03s; }
.page.active .card:nth-child(2) { animation-delay: 0.06s; }
.page.active .card:nth-child(3) { animation-delay: 0.09s; }
.page.active .card:nth-child(4) { animation-delay: 0.12s; }
.page.active .card:nth-child(5) { animation-delay: 0.15s; }
.page.active .card:nth-child(6) { animation-delay: 0.18s; }
.page.active .card:nth-child(7) { animation-delay: 0.21s; }
.page.active .card:nth-child(8) { animation-delay: 0.24s; }

@keyframes cardEnter {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== Skeleton ==================== */

.skeleton {
    background: linear-gradient(90deg, var(--border) 25%, var(--border-light) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==================== Responsive ==================== */

@media (min-width: 480px) {
    .nav-label-short {
        display: none;
    }
    .nav-label-full {
        display: inline;
    }
}

@media (min-width: 640px) {
    .container {
        padding: var(--space-xl);
    }

    .header h1 {
        font-size: var(--text-2xl);
    }

    .card {
        padding: var(--space-xl);
        margin-bottom: var(--space-lg);
        border-radius: var(--radius-lg);
    }

    .chart-container {
        height: 280px;
    }

    .score-board {
        grid-template-columns: repeat(4, 1fr);
    }

    .quick-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .badges-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 150px));
        justify-content: center;
    }

    .finance-summary {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==================== Desktop / Large tablet ==================== */

@media (min-width: 1024px) {
    body {
        padding-bottom: 24px;
    }

    body.has-sidebar .container {
        max-width: 1200px;
        margin-left: var(--sidebar-width);
        margin-right: auto;
        padding: var(--space-xl) var(--space-2xl);
    }

    .container {
        max-width: 1200px;
    }

    /* 桌面侧边导航 */
    .desktop-nav {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--sidebar-width);
        background: var(--surface);
        box-shadow: var(--shadow);
        z-index: 1000;
        padding: var(--space-lg) 0;
        overflow-y: auto;
    }

    .desktop-nav .nav-brand {
        padding: 0 var(--space-xl) var(--space-lg);
        font-size: var(--text-lg);
        font-weight: 800;
        color: var(--primary-dark);
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        border-bottom: 1px solid var(--border-light);
        margin-bottom: var(--space-md);
    }

    .desktop-nav .nav-item {
        flex: none;
        max-width: none;
        min-width: auto;
        flex-direction: row;
        justify-content: flex-start;
        padding: var(--space-md) var(--space-xl);
        margin: 2px var(--space-md);
        border-radius: var(--radius-md);
        font-size: var(--text-base);
        color: var(--text-secondary);
        gap: var(--space-md);
        height: auto;
    }

    .desktop-nav .nav-item::after {
        display: none;
    }

    .desktop-nav .nav-item:hover {
        background: var(--surface-muted);
        color: var(--primary);
    }

    .desktop-nav .nav-item.active {
        background: var(--primary-50);
        color: var(--primary);
        font-weight: 700;
    }

    .desktop-nav .nav-icon {
        font-size: 1.3em;
    }

    .bottom-nav {
        display: none;
    }

    .points-float {
        top: 20px;
        right: 32px;
    }

    .fab-container {
        bottom: 24px;
        right: 32px;
    }

    .header {
        padding: var(--space-md) 0 var(--space-lg);
    }

    .header h1 {
        font-size: 1.75rem;
    }

    .user-bar {
        justify-content: flex-end;
    }

    /* 页面双栏布局 */
    .page.active {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: var(--space-xl);
        align-content: start;
    }

    .page > .strategy-card,
    .page > .quick-stats,
    .page > .stats-summary,
    .page > .score-board,
    .page > .points-hint {
        grid-column: 1 / -1;
        margin-bottom: 0;
    }

    .page > .score-board {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }

    .page > .card {
        margin-bottom: 0;
    }

    .page > .card-full { grid-column: 1 / -1; }
    .page > .card-half { grid-column: span 6; }
    .page > .card-two-thirds { grid-column: span 8; }
    .page > .card-one-third { grid-column: span 4; }

    /* 照片墙按内容高度收缩，避免被拉伸到图表卡片高度后留出大片空白 */
    .page > .card-photos { align-self: start; }

    /* 系统管理页：双栏卡片顶部对齐，用户列表表格化 */
    .page > .card-half.admin-card {
        align-self: start;
    }

    .admin-card .form-row,
    .admin-card .form-row-3 {
        gap: var(--space-sm);
    }

    .admin-card .user-list {
        gap: var(--space-sm);
    }

    .admin-card .user-item {
        display: grid;
        grid-template-columns: 72px 1fr auto;
        gap: var(--space-md);
        align-items: center;
        padding: var(--space-sm) var(--space-md);
        background: var(--bg);
        border-radius: var(--radius-md);
    }

    .admin-card .user-item-info {
        display: contents;
    }

    .admin-card .user-item-actions {
        display: flex;
        justify-content: flex-end;
    }

    .form-row-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .trade-form {
        grid-template-columns: repeat(4, 1fr);
    }

    .next-year-goals {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .chart-container {
        height: 300px;
    }
}

@media (min-width: 1400px) {
    body.has-sidebar .container {
        max-width: 1400px;
    }

    .container {
        max-width: 1400px;
    }
}

@media (max-width: 480px) {
    .form-row,
    .form-row-3,
    .trade-form,
    .next-year-goals,
    .dimension-grid {
        grid-template-columns: 1fr;
    }

    .rewards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .reward-card {
        padding: var(--space-md) var(--space-sm);
    }

    .reward-card .icon {
        font-size: 2em;
    }

    .reward-card .name {
        font-size: var(--text-sm);
    }

    .score-board {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .badges-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .header h1 {
        font-size: var(--text-lg);
    }

    .user-bar {
        justify-content: flex-start;
        width: 100%;
    }

    .points-float {
        top: 8px;
        right: 8px;
        padding: 6px 12px;
        font-size: var(--text-xs);
    }
}

@media (max-width: 360px) {
    .container {
        padding: var(--space-sm);
    }

    .card {
        padding: var(--space-md);
    }

    .nav-item {
        min-width: 48px;
    }

    .nav-icon {
        font-size: 1.2em;
    }
}

/* ==================== Utility ==================== */

.hidden {
    display: none !important;
}

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

.text-muted {
    color: var(--text-light);
}

.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }