/* === CSS Variables === */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --secondary-light: #34d399;
    --accent: #06b6d4;
    --danger: #ef4444;
    --danger-light: #f87171;
    --warning: #f59e0b;
    --purple: #8b5cf6;

    --bg-dark: #0f0f1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-solid: #1a1a2e;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --bg-sidebar: rgba(15, 15, 26, 0.95);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.04);

    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --sidebar-width: 260px;
    --topbar-height: 80px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Light Mode */
body.light-mode {
    --bg-dark: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-solid: #ffffff;
    --bg-hover: rgba(0, 0, 0, 0.03);
    --bg-sidebar: rgba(255, 255, 255, 0.95);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.04);

    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
}

/* === Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* === Animated Background === */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 70%),
        linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
}

body.light-mode .bg-gradient {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

.bg-orbs {
    position: absolute;
    inset: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--purple);
    top: 60%;
    right: 10%;
    animation-delay: -7s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--accent);
    bottom: 20%;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(-50px, -20px) scale(1.05); }
}

/* === Sidebar === */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

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

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.1));
    color: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

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

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

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

/* === Main Wrapper === */
.main-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === Top Bar === */
.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 50;
}

body.light-mode .topbar {
    background: rgba(255, 255, 255, 0.8);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
}

.page-title h1 {
    font-size: 24px;
    font-weight: 700;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 14px;
}

.search-box input {
    width: 240px;
    padding: 10px 14px 10px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

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

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-hover);
}

.topbar-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.topbar-btn:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: var(--primary);
}

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

.topbar-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.add-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.4);
}

/* === Dashboard === */
.dashboard {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* === Summary Cards === */
.summary-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.summary-card {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
    overflow: hidden;
    transition: var(--transition);
}

.summary-card:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border);
}

.summary-card:hover .card-glow {
    opacity: 1;
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.income-card .card-glow {
    background: radial-gradient(ellipse at top, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

.expense-card .card-glow {
    background: radial-gradient(ellipse at top, rgba(239, 68, 68, 0.15) 0%, transparent 70%);
}

.balance-card .card-glow {
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
}

.savings-card .card-glow {
    background: radial-gradient(ellipse at top, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.card-icon.income {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(52, 211, 153, 0.1));
    color: var(--secondary);
}

.card-icon.expense {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(248, 113, 113, 0.1));
    color: var(--danger);
}

.card-icon.balance {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(129, 140, 248, 0.1));
    color: var(--primary);
}

.card-icon.savings {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(167, 139, 250, 0.1));
    color: var(--purple);
}

.card-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.card-badge.positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--secondary);
}

.card-badge.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.card-badge.neutral {
    background: rgba(139, 92, 246, 0.15);
    color: var(--purple);
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.card-value {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.card-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
}

/* === Dashboard Grid === */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 32px;
}

.dashboard-col-main {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.dashboard-col-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* === Cards === */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--glass-border);
}

.glass-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
}

.section-title i {
    color: var(--primary);
    font-size: 18px;
}

.card-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.action-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.action-btn.danger:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* === Charts === */
.charts-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.chart-card {
    min-height: 380px;
}

.chart-container {
    position: relative;
    height: 260px;
    margin-bottom: 16px;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 6px 12px;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.legend-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.legend-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}

/* === Form Styles === */
.transaction-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.toggle-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.toggle-group input[type="radio"] {
    display: none;
}

.toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-btn:hover {
    border-color: var(--glass-border);
}

input[type="radio"]:checked + .toggle-btn.income {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(52, 211, 153, 0.1));
    border-color: var(--secondary);
    color: var(--secondary);
}

input[type="radio"]:checked + .toggle-btn.expense {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(248, 113, 113, 0.1));
    border-color: var(--danger);
    color: var(--danger);
}

.amount-input {
    position: relative;
    display: flex;
    align-items: center;
}

.amount-input .currency {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    font-weight: 600;
}

.amount-input input {
    padding-left: 36px;
    width: 100%;
}

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

/* === Transaction Filters === */
.transaction-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.filter-select {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}

/* === Transactions List === */
.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-hover);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.transaction-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.transaction-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.transaction-icon.income {
    background: rgba(16, 185, 129, 0.15);
    color: var(--secondary);
}

.transaction-icon.expense {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

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

.transaction-description {
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transaction-meta {
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.transaction-amount {
    font-weight: 700;
    font-size: 14px;
}

.transaction-amount.income {
    color: var(--secondary);
}

.transaction-amount.expense {
    color: var(--danger);
}

.transaction-actions {
    display: flex;
    gap: 4px;
}

.btn-small {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.btn-small.delete:hover {
    color: var(--danger);
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--bg-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.empty-state p {
    font-weight: 500;
    margin-bottom: 4px;
}

.empty-state span {
    font-size: 13px;
}

/* === Budget Section === */
.budget-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.budget-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.budget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.budget-category {
    font-weight: 600;
    font-size: 14px;
}

.budget-amounts {
    font-size: 13px;
    color: var(--text-muted);
}

.budget-progress {
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
}

.budget-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border-radius: 4px;
    transition: width 0.8s ease;
}

.budget-progress-bar.warning {
    background: linear-gradient(90deg, var(--warning), #fcd34d);
}

.budget-progress-bar.danger {
    background: linear-gradient(90deg, var(--danger), var(--danger-light));
}

/* === Modal === */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

#budgetInputs {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.export-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.export-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: var(--bg-hover);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
}

.export-option:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.export-option i {
    font-size: 36px;
    color: var(--primary);
}

.export-option span {
    font-weight: 600;
}

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

/* === About Modal === */
.about-content {
    line-height: 1.7;
}

.about-intro {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.about-section {
    margin-bottom: 24px;
}

.about-section h4 {
    font-size: 16px;
    margin-bottom: 12px;
}

.about-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.about-list li i {
    color: var(--secondary);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-badge {
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    color: white;
}

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

.about-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-hover);
    border-radius: 3px;
}

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

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

/* === Responsive === */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-col-side {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0;
    }

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

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

    .charts-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .topbar {
        padding: 0 16px;
    }

    .search-box {
        display: none;
    }

    .add-btn span {
        display: none;
    }

    .dashboard {
        padding: 16px;
    }

    .summary-section {
        grid-template-columns: 1fr;
    }

    .dashboard-col-side {
        grid-template-columns: 1fr;
    }

    .card-value {
        font-size: 28px;
    }
}

/* === Backward Compatibility === */
.header,
.container {
    display: none;
}

body.dark-mode {
    /* Map old dark mode to new default */
}