:root {
    --primary: #2563eb;
    --dark: #1e293b;
    --light: #f8fafc;
    --danger: #ef4444;
    --success: #10b981;
}

body { font-family: 'Inter', -apple-system, sans-serif; background: #f1f5f9; margin: 0; color: #334155; line-height: 1.6; }
.container { max-width: 1000px; margin: 0 auto; padding: 20px; }
.card { background: white; padding: 25px; border-radius: 12px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); margin-bottom: 20px; }

/* Typography */
h1, h2, h3 { color: var(--dark); }

/* Forms */
.form-group { margin-bottom: 15px; }
label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.9rem; }
input[type="text"], input[type="password"], input[type="number"], select, textarea {
    width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 8px; box-sizing: border-box; font-size: 1rem;
}
textarea { min-height: 100px; resize: vertical; }

/* Buttons */
.btn { 
    display: inline-block; padding: 12px 24px; border: none; border-radius: 8px; 
    cursor: pointer; font-weight: 600; text-decoration: none; transition: 0.2s; text-align: center;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #1d4ed8; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }

/* Tables */
table { width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; }
th { background: #f8fafc; padding: 15px; text-align: left; border-bottom: 2px solid #e2e8f0; }
td { padding: 15px; border-bottom: 1px solid #f1f5f9; }

/* Print Utility */
@media print { .no-print { display: none; } }