:root {
    --primary: #ff5722;
    --primary-dark: #e64a19;
    --dark: #1a2332;
    --light-bg: #f5f6f8;
    --border: #e2e5ea;
    --success: #1e8e3e;
    --error: #d93025;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--light-bg);
    color: #1a1a1a;
}
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--dark);
    padding: 14px 24px;
    color: white;
    flex-wrap: wrap;
}
.topbar .brand {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}
.topbar nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar nav a { color: #dfe3e8; text-decoration: none; font-size: 14px; }
.topbar nav a:hover { color: white; }
.topbar .cta { background: var(--primary); padding: 8px 14px; border-radius: 6px; color: white; }
.topbar .balance { color: #9be29b; font-weight: 600; font-size: 14px; }
.topbar .logout { color: #ff8a80; }

.container { max-width: 1000px; margin: 0 auto; padding: 32px 20px 60px; }

.hero { text-align: center; padding: 80px 20px; }
.hero h1 { font-size: 40px; margin-bottom: 12px; }
.hero p { font-size: 18px; color: #555; max-width: 600px; margin: 0 auto 28px; }

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 22px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
.btn-primary:hover { background: var(--primary-dark); }

.auth-box, .order-grid form {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    max-width: 460px;
    margin: 0 auto;
}
.auth-box label, .order-grid label, .admin-form input, .admin-form select { display: block; }
.auth-box label, .order-grid label {
    font-size: 13px;
    font-weight: 600;
    margin: 14px 0 6px;
    color: #444;
}
.auth-box input, .order-grid input, .order-grid select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}
.auth-box button, .order-grid button { margin-top: 20px; width: 100%; }

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.alert, .alert.error { background: #fdeceb; color: var(--error); }
.alert.success { background: #e6f4ea; color: var(--success); }

.hint { font-size: 12px; color: #888; margin: 4px 0 0; }
.charge-display {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 6px;
}

.orders-table { width: 100%; border-collapse: collapse; background: white; border-radius: 10px; overflow: hidden; }
.orders-table th, .orders-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    text-align: left;
}
.orders-table th { background: #fafafa; font-weight: 700; }
.orders-table .truncate { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.status { padding: 3px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; text-transform: capitalize; }
.status-pending, .status-processing, .status-in_progress { background: #fff4e0; color: #b26a00; }
.status-completed { background: #e6f4ea; color: var(--success); }
.status-partial { background: #e8eaf6; color: #3949ab; }
.status-canceled, .status-error { background: #fdeceb; color: var(--error); }

.admin-nav { display: flex; gap: 16px; margin-bottom: 24px; }
.admin-nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
    padding: 8px 4px;
    border-bottom: 2px solid transparent;
}
.admin-nav a:hover { border-color: var(--primary); }

.admin-form { display: flex; flex-wrap: wrap; gap: 8px; background: white; padding: 16px; border-radius: 10px; margin-bottom: 30px; max-width: none; }
.admin-form input, .admin-form select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat-card { background: white; border-radius: 10px; padding: 20px; text-align: center; }
.stat-card h3 { font-size: 28px; margin: 0 0 6px; color: var(--primary); }
.stat-card p { margin: 0; font-size: 13px; color: #666; }

.footer { text-align: center; padding: 20px; color: #999; font-size: 12px; }

@media (max-width: 600px) {
    .hero h1 { font-size: 28px; }
}