:root{--bg: #0a0a0c;--bg-card: #161619;--bg-input: #212126;--line: #26262c;--text: #f2f2f5;--text-2: #8a8a93;--accent: #fe2c55;--success: #0bd07d;--warn: #ffb800}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}.layout{display:flex;min-height:100vh}.sidebar{width:180px;background:var(--bg-card);padding:20px 0;border-right:1px solid var(--line);flex-shrink:0}.sidebar .logo{padding:0 20px 20px;font-size:17px;font-weight:700;letter-spacing:2px}.sidebar .item{padding:12px 20px;cursor:pointer;color:var(--text-2);border-left:3px solid transparent}.sidebar .item.active{color:var(--text);background:#fe2c5514;border-left-color:var(--accent)}.main{flex:1;padding:24px;max-width:1100px}.page-title{font-size:19px;font-weight:600;margin-bottom:18px}.card{background:var(--bg-card);border-radius:10px;padding:18px;margin-bottom:16px}table{width:100%;border-collapse:collapse}th{text-align:left;color:var(--text-2);font-weight:400;font-size:13px;padding:8px 10px;border-bottom:1px solid var(--line)}td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}input,select,textarea{background:var(--bg-input);border:1px solid transparent;border-radius:8px;color:var(--text);padding:8px 12px;font-size:14px;outline:none}input:focus{border-color:var(--accent)}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 18px;font-size:14px;cursor:pointer}button.ghost{background:transparent;border:1px solid var(--line);color:var(--text-2)}button.small{padding:4px 12px;font-size:13px}button:disabled{opacity:.5}.row{display:flex;align-items:center;gap:10px}.muted{color:var(--text-2);font-size:13px}.tag{padding:2px 8px;border-radius:4px;font-size:12px}.tag.ok{background:#0bd07d26;color:var(--success)}.tag.warn{background:#ffb80026;color:var(--warn)}.tag.off{background:#26262c;color:var(--text-2)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:340px;background:var(--bg-card);border-radius:14px;padding:32px}.login-box h2{text-align:center;margin-bottom:24px;letter-spacing:3px}.login-box input{width:100%;margin-bottom:14px;padding:12px 14px}.login-box button{width:100%;padding:12px}.toast{position:fixed;top:24px;left:50%;transform:translate(-50%);background:#141418f2;border:1px solid var(--line);padding:10px 22px;border-radius:10px;z-index:100}