:root{--navy:#071f3f;--blue:#2f80ed;--bg:#f3f6fb;--text:#102033;--muted:#64748b;--line:#e5eaf2;--white:#fff;--danger:#b91c1c;--ok:#15803d}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#071f3f,#0b3b78)}.login-card{width:min(420px,calc(100% - 30px));background:#fff;border-radius:28px;padding:30px;box-shadow:0 28px 80px rgba(0,0,0,.25)}.login-card h1{margin:0;color:#0f2747}.login-card p{color:var(--muted)}label{display:grid;gap:8px;font-weight:800;margin:15px 0}input{border:1px solid #d8e3ef;border-radius:14px;padding:13px 14px}button{border:0;border-radius:999px;padding:13px 18px;background:linear-gradient(135deg,#2f80ed,#22c7dd);color:#fff;font-weight:900;cursor:pointer}.alert{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:14px;padding:12px;margin:12px 0}.ok{background:#ecfdf5;border:1px solid #bbf7d0;color:#166534;border-radius:14px;padding:12px;margin:12px 0}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;background:#071f3f;color:#d8e7f8;padding:22px}.side-title{font-weight:900;color:#fff;font-size:22px;margin-bottom:24px}.sidebar a{display:block;padding:13px 14px;border-radius:14px;margin:6px 0;font-weight:800}.sidebar a.active,.sidebar a:hover{background:rgba(255,255,255,.1);color:#fff}.admin-main{margin-left:260px;padding:24px}.admin-main header{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px 22px;margin-bottom:22px}.admin-main h1{margin:0}.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 18px 40px rgba(15,23,42,.06)}.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}@media(max-width:820px){.sidebar{position:static;width:auto}.admin-main{margin:0}.two{grid-template-columns:1fr}}