:root{--blue:#093b74;--red:#d71920;--bg:#f4f6f9;--text:#1f2937;--line:#e5e7eb;--muted:#6b7280;--white:#fff;--shadow:0 12px 30px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--blue);font-weight:700;text-decoration:none}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#0f172a)}.login-card{width:min(420px,92%);background:#fff;border-radius:14px;padding:30px;box-shadow:var(--shadow)}.login-card h1{margin:0;color:var(--blue);text-transform:uppercase}.login-card p{color:var(--muted)}label{font-weight:700;display:block;margin:12px 0 6px}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font:inherit;background:#fff}button,.btn{border:0;background:var(--red);color:#fff!important;border-radius:8px;padding:12px 16px;font-weight:800;cursor:pointer;display:inline-block}.login-card button{width:100%;margin-top:16px}.alert{background:#fee2e2;color:#991b1b;padding:10px;border-radius:8px;margin:12px 0}.admin-sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:#0f172a;color:#fff;padding:22px 18px}.admin-sidebar h2{margin:0 0 25px;text-transform:uppercase;line-height:1}.admin-sidebar a{display:block;color:#cbd5e1;padding:12px 10px;border-radius:8px;margin-bottom:5px}.admin-sidebar a:hover{background:rgba(255,255,255,.08);color:#fff}.admin-main{margin-left:245px;min-height:100vh}.admin-header{background:#fff;border-bottom:1px solid var(--line);padding:18px 26px;box-shadow:var(--shadow)}.admin-header div{display:flex;justify-content:space-between;gap:12px}.admin-header span{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:26px}.stat{background:#fff;border-radius:12px;padding:22px;box-shadow:var(--shadow);border-left:6px solid var(--red)}.stat span{color:var(--muted);display:block}.stat strong{font-size:34px;color:var(--blue)}.panel{background:#fff;border-radius:12px;margin:0 26px 30px;padding:22px;box-shadow:var(--shadow);overflow:auto}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.panel h1{margin:0;color:var(--blue)}table{width:100%;border-collapse:collapse;min-width:850px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px;font-size:14px}th{background:#f8fafc;color:#475569;text-transform:uppercase;font-size:12px}.danger{color:var(--red)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}.hint{font-size:13px;color:var(--muted)}.actions{display:flex;align-items:center;gap:15px}@media(max-width:850px){.admin-sidebar{position:static;width:100%;display:block}.admin-main{margin-left:0}.cards{grid-template-columns:1fr;padding:16px}.panel{margin:0 16px 24px}.form-grid{grid-template-columns:1fr}.admin-header div{display:block}}