:root{--orange: #f7941e;--orange-dark: #f07c00;--red: #d81e1e;--bg: #f5f6f8;--card: #fff;--text: #1b2430;--muted: #6b7280;--border: #e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--orange-dark);text-decoration:none}.brand{font-weight:800;font-size:20px}.brand .gas{color:var(--red)}.brand .plus{color:var(--orange)}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--border);padding:20px 14px}.sidebar nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--text);margin-bottom:4px}.sidebar nav a.active{background:#fdecd8;color:var(--orange-dark);font-weight:600}.content{padding:28px 32px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:18px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}h1{font-size:26px;margin:0 0 20px}h2{font-size:18px;margin:0 0 12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600}input,select{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}button{background:var(--orange);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-weight:600;cursor:pointer}button.ghost{background:#f3f4f6;color:var(--text)}button.danger{background:var(--red)}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700}.badge.on{background:#e5f6ec;color:#1f8a4c}.badge.off{background:#fdeaea;color:#c02626}.badge.auto{background:#fdecd8;color:var(--orange-dark)}.badge.manual{background:#eef0f3;color:var(--muted)}details.group>summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:4px 0}details.group>summary::-webkit-details-marker{display:none}.disc{font-size:18px;font-weight:700}.disc:before{content:"▸";color:var(--muted);margin-right:10px}details.group[open]>summary .disc:before{content:"▾"}.site-meta{display:flex;gap:16px;align-items:center;font-weight:400;font-size:14px;color:var(--muted);flex-wrap:wrap}.login-wrap{display:grid;place-items:center;min-height:100vh}.login-card{width:360px}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}label input,label select{width:100%}