:root{--primary:#6366f1;--primary-dark:#4f46e5;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--dark:#1f2937;--gray:#6b7280;--light:#f9fafb;--border:#e5e7eb}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f3f4f6;color:var(--dark);line-height:1.6}.container{max-width:1400px;margin:0 auto;padding:20px}.card{background:white;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin-bottom:20px}.card-header{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:white;padding:30px;border-radius:12px 12px 0 0;text-align:center}.card-header h1{margin:0 0 10px 0;font-size:28px}.card-header p{margin:0;opacity:0.9}.form-group{margin-bottom:20px}.form-group label{display:block;font-weight:600;margin-bottom:8px;color:var(--dark)}.form-control{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;transition:border-color 0.2s}.form-control:focus{outline:none;border-color:var(--primary)}textarea.form-control{min-height:100px;resize:vertical}select.form-control{cursor:pointer}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;text-align:center;transition:all 0.2s}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:white}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(99,102,241,0.4)}.btn-success{background:var(--success);color:white}.btn-danger{background:var(--danger);color:white}.btn-warning{background:var(--warning);color:white}.btn-block{width:100%;display:block}.btn:disabled{background:var(--gray);cursor:not-allowed}.badge{display:inline-block;padding:6px 12px;border-radius:12px;font-size:12px;font-weight:600}.badge-pending{background:#fef3c7;color:#92400e}.badge-approved{background:#d1fae5;color:#065f46}.badge-rejected{background:#fee2e2;color:#991b1b}.alert{padding:15px 20px;border-radius:8px;margin-bottom:20px}.alert-success{background:#d1fae5;color:#065f46;border-left:4px solid var(--success)}.alert-error{background:#fee2e2;color:#991b1b;border-left:4px solid var(--danger)}.alert-warning{background:#fef3c7;color:#92400e;border-left:4px solid var(--warning)}table{width:100%;border-collapse:collapse}thead{background:var(--primary);color:white}th{padding:12px;text-align:left;font-weight:600}td{padding:12px;border-bottom:1px solid var(--border)}tr:hover{background:var(--light)}@media (max-width:768px){.container{padding:10px}.card-header h1{font-size:22px}table{font-size:12px}th,td{padding:8px 4px}}