/* Platform Admin CSS — Indigo/Purple accent */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #e0e7ff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Navbar */
.navbar {
    background: #1e1b4b;
    color: white;
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 56px;
}
.nav-brand {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.nav-brand:hover { color: #c7d2fe; }
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-link {
    color: #a5b4fc;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s;
}
.nav-link:hover { color: white; background: rgba(255,255,255,0.1); }
.nav-link.active { color: white; background: rgba(99,102,241,0.3); }
.nav-admin {
    color: #a5b4fc;
    font-size: 0.825rem;
    padding: 0 0.5rem;
}
.nav-logout { color: #fca5a5; }
.nav-logout:hover { color: #fecaca; background: rgba(239,68,68,0.15); }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
    flex: 1;
    width: 100%;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: 1.25rem;
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.card-header h2 { font-size: 1.1rem; color: var(--gray-900); }
.card-body { padding: 1.25rem; }

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.page-header h1 { font-size: 1.5rem; color: var(--gray-900); }

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    padding: 1.25rem;
}
.stat-label { font-size: 0.8rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--gray-900); margin-top: 0.25rem; }
.stat-note { font-size: 0.8rem; color: var(--gray-400); margin-top: 0.25rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    text-align: left;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.875rem;
}
th {
    font-weight: 600;
    color: var(--gray-500);
    font-size: 0.775rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--gray-50);
}
tr:hover { background: var(--gray-50); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-active { background: var(--success-bg); color: #166534; }
.badge-suspended { background: var(--danger-bg); color: #991b1b; }
.badge-pending { background: var(--warning-bg); color: #92400e; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #b91c1c; color: white; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #15803d; color: white; }
.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); color: var(--gray-700); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}
.form-control {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--gray-800);
    background: white;
    transition: border-color 0.15s;
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.form-hint { font-size: 0.8rem; color: var(--gray-500); margin-top: 0.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; gap: 0.75rem; align-items: center; margin-top: 1.5rem; }

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-danger { background: var(--danger-bg); color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: var(--success-bg); color: #166534; border: 1px solid #bbf7d0; }
.alert-info { background: var(--primary-light); color: #3730a3; border: 1px solid #c7d2fe; }

/* Detail sections */
.detail-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 0.5rem 1.5rem;
    font-size: 0.9rem;
}
.detail-label { color: var(--gray-500); font-weight: 600; }
.detail-value { color: var(--gray-800); }

/* Login page */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    padding: 2rem;
}
.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}
.login-card h1 {
    font-size: 1.35rem;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 1.5rem;
}
.login-card .login-logo {
    text-align: center;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1rem;
    color: var(--gray-400);
    font-size: 0.8rem;
    border-top: 1px solid var(--gray-200);
    margin-top: 2rem;
}

/* Search bar */
.search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.search-form input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.875rem;
}
.search-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

@media (max-width: 768px) {
    .nav-links { gap: 0; }
    .nav-admin { display: none; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
}