:root{--blue:#1e6fb5;--blue2:#2ab7e8;--orange:#ff7a1a;--ink:#16202a;--muted:#5b6b7a;--line:#e3e9ef;--bg:#f4f8fb;--card:#fff;--radius:12px;--font:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--ink:#e8eef4;--muted:#9fb0c0;--line:#243241;--bg:#0f161d;--card:#18232e}}
*{box-sizing:border-box}body{margin:0;font:15px/1.6 var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:24px auto;padding:0 16px}
.top{display:flex;align-items:center;gap:18px;background:var(--card);border-bottom:1px solid var(--line);padding:12px 20px}
.top .brand{font-weight:700}.top nav{display:flex;gap:6px}.top nav a{padding:6px 12px;border-radius:8px;color:var(--ink)}
.top nav a.active,.top nav a:hover{background:var(--bg);text-decoration:none}.top .logout{margin-left:auto;color:var(--muted)}
h1{font-size:1.5rem;margin:.2em 0 .6em}h3{margin:0 0 .6em}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:0 0 16px;box-shadow:0 6px 18px rgba(22,32,42,.05)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:760px){.two{grid-template-columns:1fr}}
label{display:block;margin:0 0 12px;font-weight:600;font-size:.9rem}
input,select,textarea{width:100%;margin-top:4px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit;font-weight:400}
textarea{resize:vertical}label.chk{display:flex;align-items:center;gap:8px;font-weight:400}label.chk input{width:auto;margin:0}
.btn{display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:inherit;font-weight:600;cursor:pointer}
.btn:hover{border-color:var(--blue);text-decoration:none}.btn.primary{background:linear-gradient(135deg,var(--orange),#ffb347);color:#fff;border:0}
.btn.sm{padding:5px 10px;font-size:.85rem}.btn.danger{color:#c0392b;border-color:#e8b9b3}
.muted{color:var(--muted)}.small{font-size:.85rem}.err{background:#fdecea;color:#c0392b;padding:8px 12px;border-radius:8px}
@media(prefers-color-scheme:dark){.err{background:#3a1f1c}}
.ann-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line);flex-wrap:wrap}
.ann-act{display:flex;gap:6px}
.tag{display:inline-block;font-size:.75rem;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted)}
.tag.ok{color:#1e874b;border-color:#bfe3cc}
body.login{display:flex;min-height:100vh;align-items:center;justify-content:center}
.login-box{width:340px}.login-box h1{text-align:center;font-size:1.3rem}