@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #070a12;
    --card-bg: #0f1523;
    --card-border: #1a2235;
    --accent-blue: #3b82f6;
    --accent-glow: #2563eb;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --input-bg: #151c2e;
    --input-border: #222d45;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

[data-theme="light"] {
    --bg-dark: #f1f5f9;
    --card-bg: #ffffff;
    --card-border: #cbd5e1;
    --accent-blue: #2563eb;
    --accent-glow: #1d4ed8;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --input-bg: #f8fafc;
    --input-border: #cbd5e1;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar Header */
.apex-navbar {
    min-height: 70px;
    height: auto;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 40px;
    gap: 15px;
    position: relative;
    z-index: 1000;
}

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

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-glow));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    flex-shrink: 0;
}

.brand-text h2 {
    margin: 0;
    font-size: 16px;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--text-main);
}

.brand-text span {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
}

/* Mobile Toggle Hamburger Button */
.mobile-nav-toggle {
    display: none;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    font-size: 20px;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
}

/* Mobile Sidebar Backdrop Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1001;
}

.sidebar-overlay.active {
    display: block;
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

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

/* App Layout */
.app-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: calc(100vh - 70px);
}

.sidebar {
    background: var(--card-bg);
    border-right: 1px solid var(--card-border);
    padding: 30px 20px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-badge-card {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.user-badge-card h4 { margin: 0 0 4px 0; font-size: 14px; color: var(--text-main); }
.user-badge-card span { font-size: 11px; color: var(--success); }

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
}

.nav-item:hover, .nav-item.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-glow));
    color: white;
}

.dashboard-grid {
    padding: 30px;
    display: grid;
    gap: 24px;
}

.top-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 20px;
    border-radius: 16px;
    color: var(--text-main);
}

.stat-card.highlight {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-glow));
    color: white;
}

.stat-card h5 { margin: 0 0 10px 0; font-size: 12px; color: var(--text-muted); text-transform: uppercase; }
.stat-card.highlight h5 { color: rgba(255,255,255,0.8); }
.stat-card h2 { margin: 0; font-size: 24px; font-weight: 700; }

.middle-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.apex-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    overflow-x: auto;
    color: var(--text-main);
}

/* Virtual Credit Card Styling */
.virtual-credit-card {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    border-radius: 16px;
    padding: 24px;
    height: 170px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    color: #ffffff;
}

.card-chip {
    width: 35px;
    height: 25px;
    background: var(--warning);
    border-radius: 4px;
}

/* Tables */
.apex-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    color: var(--text-main);
}

.apex-table th {
    text-align: left;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    padding: 12px 16px;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
}

.apex-table td {
    padding: 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
}

.badge-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-status.completed { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-status.pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

/* Transfer Form Specifics */
.transfer-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    color: var(--text-main);
}

.transfer-tabs {
    display: flex;
    gap: 24px;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 24px;
    padding-bottom: 12px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    position: relative;
}

.tab-btn.active {
    color: var(--accent-blue);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -13px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-blue);
    border-radius: 2px;
}

.transfer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.full-width {
    grid-column: span 2;
}

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

.form-group label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-main);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.btn-submit-transfer {
    width: 100%;
    background: var(--accent-glow);
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    padding: 14px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.alert-message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 500;
}
.alert-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.alert-success { background: rgba(34, 197, 94, 0.15); color: var(--success); border: 1px solid rgba(34, 197, 94, 0.3); }

/* Media Queries */
@media (max-width: 1024px) {
    .app-layout { grid-template-columns: 220px 1fr; }
    .top-stats-row { grid-template-columns: repeat(2, 1fr); }
    .middle-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .mobile-nav-toggle { display: block; }
    .apex-navbar { padding: 12px 16px; }
    .app-layout { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 260px;
        height: 100vh;
        z-index: 1002;
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
        overflow-y: auto;
    }
    .sidebar.open { transform: translateX(0); }
    .dashboard-grid { padding: 16px; gap: 16px; }
    .top-stats-row { grid-template-columns: 1fr; gap: 12px; }
    .transfer-card { padding: 16px; }
    .transfer-tabs { flex-wrap: wrap; gap: 12px; }
    .transfer-grid { grid-template-columns: 1fr !important; gap: 14px; }
    .full-width { grid-column: span 1 !important; }
    .form-control { font-size: 16px; padding: 10px 12px; }
}