/* ========================================
   个人数据仪表盘 v2.0 - 视觉升级版
   ======================================== */

/* CSS 变量 - 亮色主题 */
:root, [data-theme="light"] {
    --primary: #6366F1;
    --primary-light: #A5B4FC;
    --primary-dark: #4F46E5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;

    --bg: #F0F2F8;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FAFBFC;
    --bg-sidebar: #0F172A;
    --bg-sidebar-hover: rgba(255,255,255,0.06);
    --bg-sidebar-active: rgba(99,102,241,0.25);

    --text: #1E293B;
    --text-secondary: #64748B;
    --text-light: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;

    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 28px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.05);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    --gradient-danger: linear-gradient(135deg, #EF4444 0%, #F87171 100%);
    --gradient-warning: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    --gradient-info: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    --gradient-purple: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
    --gradient-bg: linear-gradient(135deg, #667eea11 0%, #764ba211 100%);
}

/* 暗色主题 */
[data-theme="dark"] {
    --primary: #818CF8;
    --primary-light: #A5B4FC;
    --primary-dark: #6366F1;
    --primary-glow: rgba(129, 140, 248, 0.25);
    --success: #34D399;
    --success-light: rgba(52, 211, 153, 0.12);
    --warning: #FBBF24;
    --warning-light: rgba(251, 191, 36, 0.12);
    --danger: #F87171;
    --danger-light: rgba(248, 113, 113, 0.12);
    --info: #60A5FA;
    --info-light: rgba(96, 165, 250, 0.12);

    --bg: #0B1121;
    --bg-card: #1A2332;
    --bg-card-hover: #1E293B;
    --bg-sidebar: #070D19;
    --bg-sidebar-hover: rgba(255,255,255,0.05);
    --bg-sidebar-active: rgba(129,140,248,0.2);

    --text: #E2E8F0;
    --text-secondary: #94A3B8;
    --text-light: #64748B;
    --border: #2A3648;
    --border-light: #1E2A3B;

    --shadow: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
    --shadow-lg: 0 12px 28px rgba(0,0,0,0.4), 0 4px 8px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.5);

    --gradient-primary: linear-gradient(135deg, #818CF8 0%, #A78BFA 100%);
    --gradient-success: linear-gradient(135deg, #34D399 0%, #6EE7B7 100%);
    --gradient-danger: linear-gradient(135deg, #F87171 0%, #FCA5A5 100%);
    --gradient-warning: linear-gradient(135deg, #FBBF24 0%, #FCD34D 100%);
    --gradient-info: linear-gradient(135deg, #60A5FA 0%, #93C5FD 100%);
    --gradient-purple: linear-gradient(135deg, #A78BFA 0%, #C4B5FD 100%);
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 0%, var(--primary-glow), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(16, 185, 129, 0.08), transparent);
    pointer-events: none;
    z-index: 0;
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ========================================
   侧边栏
   ======================================== */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    color: #E2E8F0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--transition-slow);
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,0.04);
    box-shadow: 2px 0 24px rgba(0,0,0,0.15);
}

.sidebar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 0%, rgba(99,102,241,0.12) 0%, transparent 50%);
    pointer-events: none;
}

.sidebar-header {
    padding: 28px 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 22px;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
}

.logo svg {
    filter: drop-shadow(0 4px 8px rgba(99,102,241,0.4));
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    overflow-y: auto;
    position: relative;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    color: #94A3B8;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    letter-spacing: 0.2px;
}

.nav-item svg {
    opacity: 0.7;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.nav-item:hover {
    background: var(--bg-sidebar-hover);
    color: #E2E8F0;
    transform: translateX(2px);
}

.nav-item:hover svg { opacity: 1; }

.nav-item.active {
    background: var(--bg-sidebar-active);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(99,102,241,0.2);
}

.nav-item.active svg {
    opacity: 1;
    filter: drop-shadow(0 2px 4px rgba(99,102,241,0.4));
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 10px 16px;
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.15);
}

.user-info { display: flex; align-items: center; gap: 12px; }

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: white;
    box-shadow: 0 2px 8px rgba(99,102,241,0.35);
}

.user-detail { display: flex; flex-direction: column; }
.user-name { font-size: 13px; font-weight: 600; color: #E2E8F0; line-height: 1.2; }
.user-role { font-size: 11px; color: #94A3B8; line-height: 1.2; }

.sidebar-actions { display: flex; gap: 6px; }

.btn-icon-sidebar {
    width: 34px; height: 34px; border-radius: 50%; border: none;
    background: rgba(255,255,255,0.06); color: #94A3B8; cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 16px;
    transition: all var(--transition-fast);
}
.btn-icon-sidebar:hover {
    background: rgba(255,255,255,0.14);
    color: #E2E8F0;
    transform: scale(1.08);
}

.btn-logout {
    width: 34px; height: 34px; border-radius: 50%; border: none;
    background: rgba(255,255,255,0.06); color: #94A3B8; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-fast);
}
.btn-logout:hover {
    background: rgba(239,68,68,0.2);
    color: #FCA5A5;
    transform: scale(1.08);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    position: fixed;
    top: 14px; left: 14px;
    z-index: 150;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px;
    cursor: pointer;
    color: var(--text);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    transition: all var(--transition-fast);
}
.menu-toggle:hover { transform: scale(1.05); }

/* ========================================
   主内容区
   ======================================== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 28px 36px;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.page { display: none; }
.page.active { display: block; animation: pageIn 0.4s cubic-bezier(0.16, 1, 0.3, 1); }

@keyframes pageIn {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 14px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    display: block;
    margin-top: 4px;
}

.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.date-display {
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 100px;
    border: 1px solid var(--border);
    font-weight: 500;
}

/* ========================================
   按钮
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    letter-spacing: 0.2px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background var(--transition-fast);
}

.btn:hover::after { background: rgba(255,255,255,0.08); }
.btn:active { transform: scale(0.97); }

.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: var(--radius-xs); }

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99,102,241,0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--primary-light);
    background: var(--bg-card);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 14px rgba(239,68,68,0.25);
}
.btn-danger:hover {
    box-shadow: 0 6px 20px rgba(239,68,68,0.4);
    transform: translateY(-1px);
}

.btn-icon {
    width: 38px; height: 38px; padding: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
}
.btn-icon:hover {
    background: var(--bg);
    color: var(--text);
    border-color: var(--text-light);
}

.btn-icon-sm {
    width: 32px; height: 32px; padding: 0;
    border: 1.5px solid transparent;
    border-radius: var(--radius-xs);
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.btn-icon-sm:hover {
    background: var(--bg);
    border-color: var(--border);
    transform: scale(1.1);
}

/* ========================================
   统计卡片 - 全新设计
   ======================================== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
.stats-grid-3 { grid-template-columns: repeat(3, 1fr); }
.stats-grid-4 { grid-template-columns: repeat(4, 1fr); }

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 18px;
    transition: all var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
    opacity: 0;
    transition: opacity var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card:hover::before { opacity: 1; }

.stat-card.card-finance::before { background: var(--gradient-primary); }
.stat-card.card-study::before { background: var(--gradient-success); }
.stat-card.card-health::before { background: var(--gradient-danger); }
.stat-card.card-overall::before { background: var(--gradient-warning); }

.stat-icon {
    width: 50px; height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
}

.card-finance .stat-icon { background: linear-gradient(135deg, #EEF2FF, #E0E7FF); color: #6366F1; }
.card-study .stat-icon { background: linear-gradient(135deg, #ECFDF5, #D1FAE5); color: #10B981; }
.card-health .stat-icon { background: linear-gradient(135deg, #FEF2F2, #FEE2E2); color: #EF4444; }
.card-overall .stat-icon { background: linear-gradient(135deg, #FFFBEB, #FEF3C7); color: #F59E0B; }

.stat-info { display: flex; flex-direction: column; gap: 5px; flex: 1; }
.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -1px;
    line-height: 1;
}
.stat-change {
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--danger); }

/* ========================================
   图表卡片
   ======================================== */
.charts-grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.chart-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.chart-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-card);
}

.chart-card-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.2px;
}

.chart-container { width: 100%; height: 340px; }

.goal-chart-container {
    text-align: center;
    padding: 0 24px 20px;
}
.goal-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: -8px;
    font-weight: 500;
}

.filter-group { display: flex; gap: 10px; align-items: center; }

.filter-group select, .search-input {
    padding: 8px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 13px;
    background: var(--bg);
    color: var(--text);
    transition: all var(--transition-fast);
    font-weight: 500;
}
.filter-group select:focus, .search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.search-input { width: 180px; }

/* ========================================
   预算进度条
   ======================================== */
.budget-content { padding: 20px 24px 24px; }

.budget-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 16px;
}

.budget-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.budget-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.budget-value {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.budget-value.danger { color: var(--danger); }
.budget-value.success { color: var(--success); }

.progress-bar {
    height: 14px;
    background: var(--border-light);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 10px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
}

.progress-fill {
    height: 100%;
    border-radius: 100px;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, transparent 50%, rgba(255,255,255,0.1) 100%);
}

.progress-fill.success { background: var(--gradient-success); }
.progress-fill.warning { background: var(--gradient-warning); }
.progress-fill.danger { background: var(--gradient-danger); }

.progress-label {
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
}

.budget-alert {
    margin-top: 14px;
    padding: 12px 18px;
    background: var(--danger-light);
    color: var(--danger);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(239,68,68,0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ========================================
   表格 - 精致版
   ======================================== */
.table-container { overflow-x: auto; padding: 0 24px 20px; }

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table th {
    text-align: left;
    padding: 14px 18px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 2px solid var(--border);
    background: var(--bg);
}

.data-table th:first-child { border-radius: var(--radius-xs) 0 0 0; }
.data-table th:last-child { border-radius: 0 var(--radius-xs) 0 0; }

.data-table td {
    padding: 13px 18px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-fast);
}

.data-table tbody tr {
    transition: all var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-card-hover);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.data-table tbody tr:last-child td { border-bottom: none; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.badge-expense { background: var(--danger-light); color: var(--danger); }
.badge-income { background: var(--success-light); color: var(--success); }
.badge-expense::before { content: '↓ '; font-size: 10px; }
.badge-income::before { content: '↑ '; font-size: 10px; }

/* ========================================
   弹窗 - 玻璃拟态
   ======================================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 200;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}

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

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid var(--border-light);
}

.quick-add-modal { max-width: 400px; }

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.92) translateY(-20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
    border-bottom: 1px solid var(--border-light);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.modal-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.modal-footer {
    padding: 18px 28px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ========================================
   表单
   ======================================== */
.form-group { display: flex; flex-direction: column; gap: 7px; }

.form-group label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 14px;
    transition: all var(--transition-fast);
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-card);
}

.form-group input::placeholder {
    color: var(--text-light);
}

/* ========================================
   快捷记账 FAB
   ======================================== */
.quick-add-fab {
    position: fixed;
    bottom: 36px;
    right: 36px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(99,102,241,0.4);
    z-index: 150;
    transition: all var(--transition);
    border: none;
    animation: fabFloat 3s ease-in-out infinite;
}

@keyframes fabFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.quick-add-fab:hover {
    transform: scale(1.12) translateY(-2px);
    box-shadow: 0 12px 32px rgba(99,102,241,0.5);
    animation: none;
}

.quick-add-fab:active { transform: scale(0.95); }

/* ========================================
   习惯打卡卡片
   ======================================== */
.habits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
}

.habit-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.habit-card::after {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
    background: var(--border);
    transition: all var(--transition);
}

.habit-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.habit-card.checked {
    border-color: rgba(16,185,129,0.25);
}

.habit-card.checked::after {
    background: var(--gradient-success);
}

.habit-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.habit-name {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.habit-stats {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.habit-streak { color: #F59E0B; }

.habit-check-btn {
    width: 52px; height: 52px;
    border-radius: 50%;
    border: 2.5px solid var(--border);
    background: var(--bg-card);
    font-size: 26px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    align-self: center;
    box-shadow: var(--shadow);
}

.habit-check-btn:hover {
    border-color: var(--success);
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(16,185,129,0.2);
}

.habit-check-btn.checked {
    background: var(--success-light);
    border-color: var(--success);
    box-shadow: 0 4px 16px rgba(16,185,129,0.25);
    animation: checkPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes checkPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.habit-heatmap { height: 130px; width: 100%; border-radius: var(--radius-xs); overflow: hidden; }

/* ========================================
   成就卡片
   ======================================== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
}

.achievement-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition);
    border: 1px solid var(--border-light);
}

.achievement-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: rgba(245,158,11,0.3);
}

.achievement-icon {
    font-size: 40px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.achievement-name {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.achievement-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 3px;
    font-weight: 500;
}

/* ========================================
   空状态
   ======================================== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: 600;
}

.empty-state span {
    display: block;
    font-size: 14px;
    margin-top: 10px;
    color: var(--text-light);
    font-weight: 400;
}

/* ========================================
   报告页
   ======================================== */
.report-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.report-header {
    padding: 18px 28px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    background: var(--bg);
}

.report-body {
    padding: 28px;
    line-height: 2;
    font-size: 14px;
    white-space: pre-wrap;
}

/* ========================================
   对比页
   ======================================== */
.compare-controls {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
    background: var(--bg-card);
    padding: 22px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.compare-input {
    padding: 10px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.compare-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.compare-vs {
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   设置页
   ======================================== */
.settings-grid { display: flex; flex-direction: column; gap: 20px; }

.settings-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

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

.settings-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border-light);
    letter-spacing: -0.2px;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    gap: 14px;
}

.setting-item:last-child { border-bottom: none; }

.setting-item span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}

.setting-input {
    width: 140px;
    padding: 9px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    text-align: right;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.setting-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.about-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 2;
}

/* 云同步样式 */
.sync-hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.sync-hint a {
    color: var(--primary);
    text-decoration: underline;
}

.sync-tip {
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 16px;
}

/* ========================================
   登录/注册页 - 炫酷版
   ======================================== */
.auth-overlay {
    position: fixed;
    inset: 0;
    background: #0B1121;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 登录页背景动画 */
.auth-overlay::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.15), transparent 70%);
    border-radius: 50%;
    top: -200px;
    left: -100px;
    animation: authBlob1 8s ease-in-out infinite;
}

.auth-overlay::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(16,185,129,0.12), transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    right: -100px;
    animation: authBlob2 10s ease-in-out infinite;
}

@keyframes authBlob1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -30px) scale(1.1); }
    66% { transform: translate(-30px, 20px) scale(0.9); }
}

@keyframes authBlob2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-40px, -20px) scale(1.15); }
    66% { transform: translate(30px, 30px) scale(0.85); }
}

.auth-container { width: 100%; max-width: 440px; padding: 24px; position: relative; z-index: 1; }

.auth-card {
    background: rgba(26, 35, 50, 0.85);
    border-radius: 20px;
    padding: 44px 40px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.06);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
}

.auth-logo {
    text-align: center;
    margin-bottom: 36px;
}

.auth-logo svg {
    margin-bottom: 16px;
    filter: drop-shadow(0 6px 16px rgba(99,102,241,0.4));
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.auth-logo h1 {
    font-size: 26px;
    font-weight: 800;
    color: #E2E8F0;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.auth-logo p {
    font-size: 14px;
    color: #94A3B8;
    font-weight: 500;
}

.auth-form h2 {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 28px;
    color: #E2E8F0;
}

.auth-form .form-group { margin-bottom: 18px; }

.auth-form .form-group label {
    color: #94A3B8;
    font-size: 12px;
}

.auth-form .form-group input {
    background: rgba(255,255,255,0.05);
    border: 1.5px solid rgba(255,255,255,0.1);
    color: #E2E8F0;
    padding: 12px 16px;
    font-size: 14px;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
}

.auth-form .form-group input:focus {
    border-color: #818CF8;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
    background: rgba(255,255,255,0.08);
}

.auth-form .form-group input::placeholder { color: #64748B; }

.auth-error {
    color: #F87171;
    font-size: 13px;
    min-height: 20px;
    margin-bottom: 10px;
    text-align: center;
    font-weight: 500;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 13px;
    font-size: 15px;
    margin-top: 8px;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: #94A3B8;
}

.auth-switch a {
    color: #818CF8;
    text-decoration: none;
    font-weight: 700;
    transition: color var(--transition-fast);
}

.auth-switch a:hover {
    color: #A5B4FC;
    text-decoration: underline;
}

/* ========================================
   应用容器
   ======================================== */
.app-container { display: flex; min-height: 100vh; position: relative; z-index: 1; }

/* ========================================
   暗色主题特殊覆盖
   ======================================== */
[data-theme="dark"] .card-finance .stat-icon { background: rgba(99,102,241,0.15); color: #818CF8; }
[data-theme="dark"] .card-study .stat-icon { background: rgba(16,185,129,0.15); color: #34D399; }
[data-theme="dark"] .card-health .stat-icon { background: rgba(239,68,68,0.15); color: #F87171; }
[data-theme="dark"] .card-overall .stat-icon { background: rgba(245,158,11,0.15); color: #FBBF24; }
[data-theme="dark"] .badge-expense { background: rgba(239,68,68,0.2); color: #FCA5A5; }
[data-theme="dark"] .badge-income { background: rgba(16,185,129,0.2); color: #6EE7B7; }
[data-theme="dark"] .budget-alert { background: rgba(239,68,68,0.15); color: #FCA5A5; }
[data-theme="dark"] .habit-card.checked { border-color: rgba(16,185,129,0.3); }
[data-theme="dark"] .habit-check-btn.checked { background: rgba(16,185,129,0.15); }
[data-theme="dark"] .progress-bar { background: #2A3648; }
[data-theme="dark"] .data-table th { background: rgba(0,0,0,0.2); }

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
    .stats-grid, .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .charts-grid-2col { grid-template-columns: 1fr; }
    .habits-grid { grid-template-columns: 1fr; }
    .achievements-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 68px 18px 20px; }
    .stats-grid, .stats-grid-3, .stats-grid-4 { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-header h1 { font-size: 24px; }
    .header-actions { width: 100%; flex-wrap: wrap; }
    .achievements-grid { grid-template-columns: 1fr; }
    .compare-controls { flex-direction: column; }
    .quick-add-fab { bottom: 24px; right: 24px; width: 52px; height: 52px; font-size: 22px; }
    .budget-stats { flex-wrap: wrap; gap: 16px; }
    .filter-group { flex-wrap: wrap; }
    .search-input { width: 100%; }
    .auth-card { padding: 32px 28px; }
    .modal { max-width: 95%; }
    .stat-value { font-size: 24px; }
    .charts-grid-2col { gap: 14px; }
}