:root{--primary:#123c69;--secondary:#0b6b53;--bg:#f4f7fb;--white:#fff;--text:#1f2937;--muted:#6b7280;--border:#d9e2ec;--danger:#b42318;--success:#087443}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.header{background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;padding:18px 30px;display:flex;justify-content:space-between;align-items:center}.header h1{margin:0;font-size:22px}.nav a{background:rgba(255,255,255,.14);color:white;padding:10px 14px;border-radius:8px;margin-left:8px;font-weight:600}.container{max-width:1250px;margin:25px auto;padding:0 18px}.card{background:var(--white);border-radius:16px;padding:24px;box-shadow:0 10px 25px rgba(15,23,42,.08);border:1px solid #edf2f7}.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-title h2{margin:0;color:var(--primary)}.btn{border:none;display:inline-block;padding:10px 15px;border-radius:8px;cursor:pointer;font-weight:700;background:var(--primary);color:white}.btn.green{background:var(--secondary)}.btn.red{background:var(--danger)}.btn.light{background:#e8eef7;color:var(--primary)}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.form-group{display:flex;flex-direction:column}.form-group.full{grid-column:1/-1}label{font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:700}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:11px;font-size:14px;background:white}textarea{min-height:90px;resize:vertical}.actions{margin-top:20px;display:flex;gap:10px}.filter-box{display:grid;grid-template-columns:2fr repeat(5,1fr) auto;gap:10px;margin-bottom:18px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:1000px}th,td{padding:12px;border-bottom:1px solid #eef2f7;text-align:left;font-size:14px}th{background:#f8fafc;color:var(--primary);font-size:13px}.badge{display:inline-block;background:#e8f5f0;color:var(--secondary);padding:4px 8px;border-radius:20px;font-size:12px;font-weight:bold}.notice{padding:12px 15px;border-radius:8px;margin-bottom:15px;background:#ecfdf3;color:var(--success);font-weight:600}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--secondary));padding:20px}.login-card{background:white;width:390px;border-radius:18px;padding:32px;box-shadow:0 25px 60px rgba(0,0,0,.25)}.login-card h2{margin-top:0;color:var(--primary)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat{background:linear-gradient(135deg,#fff,#f8fafc);border:1px solid #e5e7eb;border-radius:14px;padding:18px}.stat span{display:block;color:var(--muted);font-size:13px}.stat strong{display:block;font-size:28px;color:var(--primary);margin-top:5px}@media(max-width:900px){.form-grid,.filter-box,.stats{grid-template-columns:1fr}.header{flex-direction:column;gap:12px;align-items:flex-start}}