:root { --yellow:#ffd000; --ink:#1b1b1b; --side:#1c1c1c; --bg:#f4f5f7; --red:#ff4d4f; --line:#ececec; }
* { box-sizing: border-box; }
body { margin:0; font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB",sans-serif; background:var(--bg); color:var(--ink); }
a { color:inherit; text-decoration:none; }
.login-page { min-height:100vh; display:flex; align-items:center; justify-content:center; background:#ffd000; }
.login-card { width:380px; background:#fff; border-radius:16px; padding:36px 32px; box-shadow:0 16px 40px rgba(0,0,0,.08); }
.login-card h1 { margin:0 0 8px; font-size:26px; }
.login-card p { margin:0 0 24px; color:#888; }
.login-card input { width:100%; height:42px; border:1px solid #ddd; border-radius:8px; padding:0 12px; margin-bottom:14px; }
.login-card button, .btn { display:inline-block; border:0; background:#3a3a3a; color:#fff; border-radius:8px; padding:10px 16px; cursor:pointer; font-weight:700; }
.btn-yellow { background:var(--yellow); color:#222; }
.btn-red { background:var(--red); color:#fff; }
.btn-ghost { background:#fff; color:#555; border:1px solid #ddd; }
.layout { display:flex; min-height:100vh; }
.side { width:220px; background:var(--side); color:#fff; padding:20px 12px; position:sticky; top:0; height:100vh; }
.brand { font-size:20px; font-weight:800; padding:8px 12px 20px; color:var(--yellow); }
.side a { display:block; padding:10px 12px; border-radius:8px; color:#ddd; margin-bottom:4px; }
.side a.on, .side a:hover { background:#333; color:#fff; }
.main { flex:1; padding:24px 28px; }
.top { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; }
.cards { display:flex; gap:16px; margin-bottom:20px; flex-wrap:wrap; }
.card { background:#fff; border-radius:12px; padding:18px 20px; min-width:160px; box-shadow:0 1px 4px rgba(0,0,0,.04); }
.card b { display:block; font-size:28px; }
.card span { color:#888; font-size:13px; }
.panel { background:#fff; border-radius:12px; padding:18px; box-shadow:0 1px 4px rgba(0,0,0,.04); }
table { width:100%; border-collapse:collapse; font-size:13px; }
th, td { text-align:left; padding:10px 8px; border-bottom:1px solid var(--line); vertical-align:middle; }
th { color:#888; font-weight:600; }
.tag { display:inline-block; padding:2px 8px; border-radius:10px; font-size:12px; background:#fff3d6; }
.tag.off { background:#f0f0f0; color:#888; }
.row-actions { display:flex; gap:6px; flex-wrap:wrap; }
.form-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-bottom:16px; }
.form-grid label { display:flex; flex-direction:column; gap:6px; font-size:13px; color:#666; }
.form-grid input, .form-grid select, .form-grid textarea { height:38px; border:1px solid #ddd; border-radius:8px; padding:0 10px; }
.form-grid textarea { height:70px; padding:8px 10px; }
.check { flex-direction:row !important; align-items:center; height:38px; }
.err { color:var(--red); margin-bottom:10px; }