/* ============================================================
   BD Domain Admin - Modern Professional Theme
   ============================================================ */

:root {
    --primary: #0070f3;
    --primary-dark: #0051cc;
    --primary-light: #e6f0ff;
    --success: #00a86b;
    --warning: #f59e0b;
    --danger:  #ef4444;
    --dark:    #0a0a0a;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50:  #f9fafb;
    --white: #ffffff;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
    --sidebar-width: 260px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display',
                 system-ui, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app { display: flex; min-height: 100vh; }

/* ============ Sidebar ============ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: var(--gray-300);
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 100;
}

.brand {
    padding: 22px 24px;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon { font-size: 26px; }

.nav { flex: 1; padding: 16px 12px; overflow-y: auto; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    margin-bottom: 2px;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--white);
}

.nav-item.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0,112,243,0.3);
}

.nav-icon { font-size: 18px; width: 22px; text-align: center; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.user-info { margin-bottom: 10px; }
.user-name { color: var(--white); font-weight: 600; font-size: 14px; }
.user-role { color: var(--gray-500); font-size: 12px; }

.btn-logout {
    display: block;
    text-align: center;
    padding: 8px;
    background: rgba(239,68,68,0.1);
    color: #fca5a5;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
}
.btn-logout:hover { background: var(--danger); color: var(--white); }

/* ============ Main content ============ */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    height: 68px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

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

.badge-env {
    background: #dcfce7;
    color: #166534;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.admin-chip {
    background: var(--gray-100);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
}

.content { padding: 32px; }

/* ============ Stats cards ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--gray-500);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-icon {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 32px;
    opacity: 0.15;
}

.stat-change {
    margin-top: 10px;
    font-size: 12px;
    color: var(--success);
    font-weight: 600;
}

/* ============ Cards ============ */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.card-title { font-size: 16px; font-weight: 600; color: var(--gray-900); }
.card-body { padding: 24px; }

/* ============ Tables ============ */
.table-wrap { overflow-x: auto; }

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-600);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    font-size: 14px;
}

.table tr:hover td { background: var(--gray-50); }
.table tr:last-child td { border-bottom: none; }

/* ============ Badges ============ */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-active    { background: #dcfce7; color: #166534; }
.badge-pending   { background: #fef3c7; color: #92400e; }
.badge-suspended { background: #fee2e2; color: #991b1b; }
.badge-expired   { background: var(--gray-200); color: var(--gray-700); }

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    font-family: inherit;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 12px rgba(0,112,243,0.3); }

.btn-secondary { background: var(--gray-100); color: var(--gray-800); }
.btn-secondary:hover { background: var(--gray-200); }

.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #dc2626; }

.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #008a58; }

.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ============ Forms ============ */
.form-group { margin-bottom: 18px; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--white);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,112,243,0.15);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; font-family: ui-monospace, monospace; font-size: 13px; }

/* ============ Alerts ============ */
.alert {
    padding: 13px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
    border-left: 4px solid;
}
.alert-success { background: #ecfdf5; color: #064e3b; border-color: var(--success); }
.alert-error   { background: #fef2f2; color: #7f1d1d; border-color: var(--danger); }
.alert-warning { background: #fffbeb; color: #78350f; border-color: var(--warning); }
.alert-info    { background: #eff6ff; color: #1e3a8a; border-color: var(--primary); }

/* ============ Login page ============ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1f2937 100%);
    padding: 20px;
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}
.login-logo-icon { font-size: 48px; margin-bottom: 8px; }
.login-logo h1 { font-size: 22px; color: var(--gray-900); margin-bottom: 6px; }
.login-logo p { color: var(--gray-500); font-size: 13px; }

/* ============ Utilities ============ */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mb-12 { margin-bottom: 12px; }
.mb-20 { margin-bottom: 20px; }
.mt-16 { margin-top: 16px; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 13px; }
.font-mono { font-family: ui-monospace, 'SF Mono', monospace; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}
.empty-state-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }

/* ============ Responsive ============ */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.2s; }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .content { padding: 20px; }
}