:root {
    --primary: #1a56db;
    --primary-dark: #1e429f;
    --success: #057a55;
    --warning: #c27803;
    --danger: #e02424;
    --bg: #f3f4f6;
    --card: #ffffff;
    --text: #111827;
    --text-muted: #6b7280;
    --border: #e5e7eb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo { font-size: 1.25rem; font-weight: 700; }

.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-weight: 500; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); }

.container { max-width: 1200px; margin: 2rem auto; padding: 0 2rem; }
h1 { margin-bottom: 1.5rem; font-size: 1.75rem; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border);
    text-align: center;
}

.stat-card.highlight { border-color: var(--warning); background: #fffbeb; }
.stat-link { text-decoration: none; color: inherit; display: block; transition: transform 0.15s, box-shadow 0.15s; }
.stat-link:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--text-muted); font-size: 0.875rem; margin-top: 0.25rem; }

.table {
    width: 100%;
    background: var(--card);
    border-radius: 12px;
    border-collapse: collapse;
    overflow: hidden;
    border: 1px solid var(--border);
}

.table th, .table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th { background: #f9fafb; font-weight: 600; font-size: 0.875rem; }
.table tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: #def7ec; color: var(--success); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-danger { background: #fde8e8; color: var(--danger); }
.badge-info { background: #e1effe; color: var(--primary); }

.table-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.8rem; }
.btn-link { background: none; border: none; color: var(--text-muted); cursor: pointer; font-weight: 500; }

.card-list { display: grid; gap: 1rem; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.card h3 { margin-bottom: 0.5rem; }
.card-actions { margin-top: 1rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a56db 0%, #7e3af2 100%);
}

.auth-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.auth-card h1 { font-size: 1.25rem; margin-bottom: 1.5rem; text-align: center; }
.auth-card .logo { text-align: center; font-size: 2rem; margin-bottom: 0.5rem; }

.auth-card label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.25rem; }
.auth-card input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.auth-card .btn { width: 100%; padding: 0.75rem; font-size: 1rem; }

.error { color: var(--danger); font-size: 0.875rem; margin-top: 0.5rem; }
.success { color: var(--success); font-size: 0.875rem; margin-top: 0.5rem; }
.empty-state { text-align: center; color: var(--text-muted); padding: 3rem; }

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}
.pagination-info { color: var(--text-muted); font-size: 0.9rem; }
.pagination-links { display: flex; gap: 0.5rem; }