:root{--bg:#0f172a;--panel:#111827;--card:#ffffff;--text:#0f172a;--muted:#64748b;--accent:#7c3aed;--accent2:#06b6d4;--danger:#ef4444;--line:#e2e8f0;--soft:#f8fafc}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(135deg,#0f172a,#312e81 55%,#0891b2);color:var(--text);min-height:100vh}.layout{display:flex;min-height:100vh}.sidebar{width:280px;background:rgba(15,23,42,.92);backdrop-filter:blur(14px);color:#fff;padding:24px;position:fixed;inset:0 auto 0 0}.brand{display:flex;gap:12px;align-items:center;margin-bottom:30px}.logo{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;font-weight:800}.brand h2{margin:0;font-size:22px}.brand small{color:#cbd5e1}nav{display:grid;gap:10px}nav a{color:#dbeafe;text-decoration:none;padding:13px 15px;border-radius:16px;transition:.2s;background:rgba(255,255,255,.04)}nav a:hover{background:rgba(255,255,255,.13);transform:translateX(4px)}nav a.danger{color:#fecaca}.main{margin-left:280px;padding:28px;width:calc(100% - 280px)}.topbar{display:flex;justify-content:space-between;align-items:center;color:#fff;margin-bottom:22px}.topbar h1{margin:0;font-size:28px}.topbar p{margin:6px 0 0;color:#dbeafe}.pill{background:rgba(255,255,255,.18);padding:10px 16px;border-radius:999px;color:#fff}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card{background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.45);border-radius:24px;padding:22px;box-shadow:0 20px 50px rgba(2,6,23,.18)}.stat h3{margin:0;color:var(--muted);font-size:14px}.stat strong{display:block;font-size:36px;margin-top:10px;color:#1e293b}.panel{background:rgba(255,255,255,.96);border-radius:24px;padding:24px;box-shadow:0 20px 60px rgba(2,6,23,.18);margin-bottom:18px}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}.panel-title h2{margin:0}.btn{border:0;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:11px 16px;border-radius:14px;text-decoration:none;font-weight:700;cursor:pointer;display:inline-block}.btn.secondary{background:#e2e8f0;color:#0f172a}.btn.danger{background:var(--danger);color:#fff}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-group{display:grid;gap:7px}.form-group.full{grid-column:1/-1}label{font-weight:700;color:#334155}input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font-size:15px;background:#fff}table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:18px;background:#fff}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}th{background:#f1f5f9;color:#334155}.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:14px 16px;border-radius:16px;margin-bottom:16px;background:#dcfce7;color:#166534;font-weight:700}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:430px;background:rgba(255,255,255,.95);border-radius:28px;padding:32px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.login-card h1{margin:0 0 8px}.muted{color:var(--muted)}@media(max-width:900px){.sidebar{position:relative;width:100%;inset:auto}.layout{display:block}.main{margin-left:0;width:100%}.grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}}@media(max-width:560px){.grid{grid-template-columns:1fr}.topbar{display:block}}