:root {
    color-scheme: dark;
    --bg-primary: #080b12;
    --bg-secondary: #0f1318;
    --bg-card: #181d2a;
    --bg-input: #0f1318;
    --bg-hover: #1e2738;
    --text-primary: #f0f4ff;
    --text-secondary: #9aaec8;
    --text-muted: #556580;
    --accent: #60a5fa;
    --accent-hover: #3b82f6;
    --success: #34d399;
    --danger: #fb7185;
    --warning: #fbbf24;
    --info: #60a5fa;
    --border: #253050;
    --shadow: rgba(0, 0, 0, 0.5);
    --gradient-1: linear-gradient(135deg, #60a5fa, #2563eb);
    --gradient-2: linear-gradient(135deg, #34d399, #059669);
    --gradient-3: linear-gradient(135deg, #fb7185, #e11d48);
    --gradient-4: linear-gradient(135deg, #fbbf24, #d97706);
    --gradient-5: linear-gradient(135deg, #a78bfa, #7c3aed);
    --gradient-6: linear-gradient(135deg, #60a5fa, #2563eb);
    --sidebar-width: 260px;
}

[data-theme="light"] {
    color-scheme: light;
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --bg-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.06);
}

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

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    font-weight: 700;
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    padding: 12px 0;
}

.sidebar-nav .nav-section {
    padding: 8px 20px 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--bg-hover);
    color: var(--accent);
}

.sidebar-nav a.active {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border-left-color: var(--accent);
}

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

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
}

.content-area {
    padding: 24px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow);
    color: var(--text-primary);
}

.card:hover {
    box-shadow: 0 4px 24px var(--shadow);
}

.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    margin-bottom: 12px;
}

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.05;
}

.stat-card.gradient-blue .stat-icon { background: var(--gradient-1); }
.stat-card.gradient-blue::after { background: var(--accent); }
.stat-card.gradient-green .stat-icon { background: var(--gradient-2); }
.stat-card.gradient-green::after { background: var(--success); }
.stat-card.gradient-red .stat-icon { background: var(--gradient-3); }
.stat-card.gradient-red::after { background: var(--danger); }
.stat-card.gradient-orange .stat-icon { background: var(--gradient-4); }
.stat-card.gradient-orange::after { background: var(--warning); }
.stat-card.gradient-purple .stat-icon { background: var(--gradient-5); }
.stat-card.gradient-purple::after { background: #7c4dff; }

.btn-primary-custom {
    background: var(--gradient-1);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary-custom:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    color: white;
}

.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
    background: var(--bg-input);
    color: var(--text-primary);
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.table {
    color: var(--text-primary);
    border-color: var(--border);
}

.table thead th {
    background: var(--bg-secondary);
    border-color: var(--border);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 12px 16px;
}

.table tbody td {
    padding: 12px 16px;
    border-color: var(--border);
    font-size: 13px;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--bg-hover);
}

.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}

.badge-sale { background: rgba(74, 222, 128, 0.15); color: var(--success); border: 1px solid rgba(74, 222, 128, 0.2); }
.badge-expense { background: rgba(248, 113, 113, 0.15); color: var(--danger); border: 1px solid rgba(248, 113, 113, 0.2); }
.badge-withdrawal { background: rgba(251, 191, 36, 0.15); color: var(--warning); border: 1px solid rgba(251, 191, 36, 0.2); }

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--border);
    padding: 16px 24px;
}

.btn-close {
    filter: invert(1);
}

.pagination .page-link {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-secondary);
    border-radius: 8px;
    margin: 0 2px;
    font-size: 13px;
    padding: 6px 12px;
}

.pagination .page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.notification {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 32px var(--shadow);
    animation: slideInRight 0.3s ease;
    min-width: 300px;
    max-width: 400px;
}

.notification.success { border-left: 4px solid var(--success); }
.notification.error { border-left: 4px solid var(--danger); }
.notification.warning { border-left: 4px solid var(--warning); }
.notification.info { border-left: 4px solid var(--info); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

.theme-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.currency-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
}

.currency-toggle:hover, .currency-toggle.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

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

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay.show {
        display: block;
    }
    .main-content {
        margin-left: 0;
    }
    .hamburger {
        display: block;
    }
    .content-area {
        padding: 16px;
    }
    .stat-card .stat-value {
        font-size: 20px;
    }
}

@media (max-width: 576px) {
    .topbar {
        padding: 10px 16px;
    }
    .content-area {
        padding: 12px;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.scroll-area {
    max-height: 400px;
    overflow-y: auto;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

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

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    border-color: var(--accent);
}

.form-check-label {
    color: var(--text-primary);
}

.list-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.list-item:hover {
    background: var(--bg-hover);
    border-left-color: var(--accent-hover);
    box-shadow: 0 2px 8px var(--shadow);
}

.list-item .item-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.list-item .item-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

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

.list-item .item-actions .btn-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 12px;
}

.list-item .item-actions .btn-icon:hover {
    transform: scale(1.1);
}

.list-item .item-actions .btn-icon.edit:hover {
    background: rgba(56, 189, 248, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.list-item .item-actions .btn-icon.danger:hover {
    background: rgba(248, 113, 113, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.list-item .item-actions .btn-icon.warn:hover {
    background: rgba(251, 191, 36, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}