:root{--navy:#102d4f;--blue:#1f5b91;--bg:#f2f5f8;--line:#dfe6ec}*{box-sizing:border-box}body{margin:0;font:14px Arial,sans-serif;background:var(--bg);color:#1c2936}a{text-decoration:none;color:inherit}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#071b31,#1f5b91)}.login-card,.installer{width:min(680px,92vw);background:white;padding:38px;border-radius:18px;box-shadow:0 20px 60px #0005}.login-card{max-width:420px}.login-card img,.installer img{width:220px;display:block;margin:0 auto 22px}.login-card h1,.installer h1{text-align:center;margin:0}.login-card p,.installer>p{text-align:center;color:#657384}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.login-card form{display:grid;gap:15px}.form-grid label,.login-card label,.panel label{display:grid;gap:7px;font-weight:700}.form-grid input,.login-card input,.panel input,.panel textarea,.panel select{padding:12px;border:1px solid var(--line);border-radius:8px;font:inherit}.form-grid button,.login-card button,.button{background:var(--navy);color:white;border:0;border-radius:8px;padding:13px 18px;font-weight:700;cursor:pointer}.form-grid button{grid-column:span 2}.alert{padding:12px;border-radius:8px;margin:15px 0}.alert.error{background:#fee8e8;color:#9b2222}.alert.ok{background:#e5f7eb;color:#226b36}.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:#071b31;color:white;padding:24px 16px;position:sticky;top:0;height:100vh}.sidebar img{width:190px;background:white;border-radius:8px;padding:5px;margin:0 auto 28px}.sidebar a{display:block;padding:13px 16px;border-radius:8px;margin:4px 0;color:#bfd0df;font-weight:700}.sidebar a:hover,.sidebar a.active{background:#1f5b91;color:white}.sidebar .logout{margin-top:30px;color:#ffbcbc}.admin-main{padding:35px;max-width:1300px;width:100%}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.topbar h1{margin:0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.panel{background:white;border-radius:14px;padding:22px;box-shadow:0 5px 20px #102d4f0a}.card strong{font-size:34px;color:var(--blue);display:block}.card span{color:#657384}.panel{margin-top:20px}.panel h2{margin-top:0}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings-grid .full{grid-column:span 2}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}th{color:#667789;font-size:12px}.thumb{width:75px;height:55px;object-fit:cover;border-radius:7px}.actions{display:flex;gap:8px}.button.secondary{background:#e6edf3;color:#17314b}.button.danger{background:#a62c2c}.mobile-admin{display:none}@media(max-width:800px){.admin-shell{display:block}.sidebar{height:auto;position:relative;display:flex;overflow:auto;padding:10px}.sidebar img{width:130px;margin:0 15px 0 0}.sidebar a{white-space:nowrap}.admin-main{padding:20px}.cards{grid-template-columns:1fr 1fr}.settings-grid{grid-template-columns:1fr}.settings-grid .full{grid-column:auto}.form-grid{grid-template-columns:1fr}.form-grid button{grid-column:auto}}