:root{
  --bg:#f6f8fb;--card:#fff;--text:#172033;--muted:#6d7890;--line:#e5eaf1;
  --accent:#5b67e8;--accent2:#eef0ff;--ok:#14845f;--warn:#b97316;--danger:#bd3448;
  --shadow:0 10px 30px rgba(32,45,72,.08)
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,textarea,select{font:inherit}
.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
aside{background:#fff;border-right:1px solid var(--line);padding:22px 18px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{font-weight:850;font-size:24px;margin-bottom:20px}.brand span{color:var(--accent)}
.nav-title{font-size:12px;color:var(--muted);font-weight:850;text-transform:uppercase;margin:18px 10px 8px}
nav a{display:block;padding:11px 12px;border-radius:10px;color:var(--muted);text-decoration:none;margin:5px 0}
nav a.active{background:var(--accent2);color:var(--accent);font-weight:800}
main{padding:28px;max-width:1450px;width:100%}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}
h1{font-size:28px;margin:0}.muted{color:var(--muted);font-size:13px}
.badge{background:#e8f7f1;color:var(--ok);padding:7px 10px;border-radius:999px;font-size:13px;font-weight:800}
.notice{background:#fff9e9;border:1px solid #f2df9b;color:#795e17;border-radius:12px;padding:12px 14px;margin-bottom:16px;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.stat b{display:block;font-size:24px;margin-top:5px}
.grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.card h2{font-size:18px;margin:0 0 16px}.wide{grid-column:1/-1}
.field{margin-bottom:15px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:800}
input,textarea,select{width:100%;border:1px solid #d8deea;border-radius:10px;padding:11px 12px;background:#fff;color:var(--text)}
textarea{min-height:88px;resize:vertical}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check{display:flex;align-items:center;gap:9px;color:var(--text)}.check input{width:auto}
.btns{display:flex;gap:10px;flex-wrap:wrap}.lower{margin-top:10px}
button,.button,summary{border:0;border-radius:10px;padding:11px 14px;cursor:pointer;font-weight:800;text-decoration:none;display:inline-block}
.primary{background:var(--accent);color:#fff}.secondary{background:#eef1f6;color:var(--text)}
.danger{background:#fff0f2;color:var(--danger)}.ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
.full{width:100%;text-align:center;margin-top:8px}
.side-box{border:1px solid var(--line);border-radius:12px;padding:8px;margin:12px 0}.side-box summary{padding:7px;list-style:none}.side-box form{padding:6px}
.comment-list{margin-top:16px}.comment{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px}
.comment-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px}
.pill{font-size:12px;padding:5px 8px;border-radius:999px;background:#f0f2f7;color:#596178}.pill.ok{background:#e8f7f1;color:var(--ok)}.pill.warn{background:#fff3e6;color:var(--warn)}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:12px}
.table-wrap{overflow:auto}.empty{padding:24px;text-align:center;color:var(--muted)}
.login-body{min-height:100vh;display:grid;place-items:center;padding:18px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;width:min(420px,100%);box-shadow:var(--shadow)}
.login-card h1{margin-bottom:5px}.login-card form{margin-top:22px}.error{background:#fff0f2;color:var(--danger);border-radius:10px;padding:10px 12px;margin-top:14px}
@media(max-width:900px){
  .app{grid-template-columns:1fr}aside{position:static;height:auto}.grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}.row{grid-template-columns:1fr}main{padding:16px}
}