:root {
    --ink: #102a43;
    --surface: #ffffff;
    --muted: #66788a;
    --brand: #0f766e;
    --brand-2: #14b8a6;
    --accent: #f97316;
    --bg: #f4f8fb;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background:
        radial-gradient(circle at top left, rgba(20, 184, 166, 0.14), transparent 35%),
        radial-gradient(circle at bottom right, rgba(249, 115, 22, 0.10), transparent 30%),
        var(--bg);
    color: var(--ink);
}

.topbar {
    background: linear-gradient(135deg, #0f172a 0%, #134e4a 45%, #0f766e 100%);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.18);
}

.navbar .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
}

.navbar .nav-link:hover {
    color: #fff !important;
}

.auth-card,
.card,
.balance-card,
.stat-card {
    border-radius: 1.25rem;
}

.auth-card {
    backdrop-filter: blur(10px);
}

.hero-panel {
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.15), rgba(20, 184, 166, 0.08));
    border: 1px solid rgba(15, 118, 110, 0.12);
    border-radius: 1.5rem;
    padding: 2rem;
}

.balance-card,
.stat-card {
    background: linear-gradient(180deg, #fff, #f8fafc);
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: 1.5rem;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.balance-amount,
.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
    margin-top: 0.25rem;
}

.stat-card .label,
.balance-card .text-uppercase {
    letter-spacing: 0.12em;
    color: var(--muted);
}

.stat-card .meta {
    color: var(--muted);
    margin-top: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    border: none;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover {
    filter: brightness(1.03);
}

.table thead th {
    color: var(--muted);
    font-weight: 600;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.badge.status-success {
    background: #dcfce7;
    color: #166534;
}

.badge.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.badge.status-failed {
    background: #fee2e2;
    color: #991b1b;
}

@media (max-width: 768px) {
    .hero-panel {
        padding: 1.25rem;
    }

    .balance-amount,
    .stat-card .value {
        font-size: 1.6rem;
    }
}