:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#68738a;--line:#e5e9f1;--primary:#4f46e5;--primary-dark:#4338ca;--danger:#c2414b;--shadow:0 12px 35px rgba(30,41,59,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.shell{width:min(1080px,calc(100% - 40px));margin:0 auto}.topbar{background:#fff;border-bottom:1px solid var(--line)}.topbar-inner{height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:750;color:var(--text);text-decoration:none;font-size:18px}.brand-mark{display:inline-grid;place-items:center;background:#eef0ff;color:var(--primary);width:30px;height:30px;border-radius:9px;margin-right:8px}nav{display:flex;gap:22px}nav a,.muted,a{color:var(--muted);text-decoration:none}nav a:hover,.muted a:hover{color:var(--primary)}main{padding:42px 0 72px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.eyebrow{color:var(--primary);font-size:11px;font-weight:800;letter-spacing:.16em;margin-bottom:6px}h1{font-size:32px;line-height:1.2;margin:0 0 8px;letter-spacing:-.03em}h2{font-size:19px;margin:0 0 8px}h3{margin:0 0 8px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 16px;font:inherit;font-weight:650;text-decoration:none;cursor:pointer;white-space:nowrap}.button.primary{background:var(--primary);color:white}.button.primary:hover{background:var(--primary-dark)}.button.secondary{background:#edf0ff;color:var(--primary)}.button.ghost{background:#fff;color:var(--text);border:1px solid var(--line)}.link{border:0;background:transparent;padding:0;font:inherit;cursor:pointer;color:var(--muted)}.danger{color:var(--danger)}.channel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}.channel-card{padding:22px;color:var(--text);text-decoration:none;transition:transform .15s,box-shadow .15s}.channel-card:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(30,41,59,.12)}.channel-card-top{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;margin-bottom:16px}.status-dot{width:8px;height:8px;border-radius:50%;background:#aab2c0}.status-dot.on{background:#19ad80}.channel-card code{display:block;color:var(--primary);background:#f5f5ff;border-radius:7px;padding:5px 8px;font-size:12px;width:max-content;max-width:100%;overflow:hidden;text-overflow:ellipsis}.stats{display:flex;gap:18px;color:var(--muted);font-size:13px;margin-top:20px}.stats strong{color:var(--text);font-size:16px;margin-right:3px}.empty{padding:58px 24px;text-align:center}.empty-icon{font-size:35px;color:var(--primary);margin-bottom:10px}.form-card{padding:25px}.auth-card{width:min(420px,100%);padding:32px;margin:60px auto}.stack{display:grid;gap:16px}label{display:grid;gap:6px;font-weight:650;font-size:13px}input,select{border:1px solid #d8deea;border-radius:9px;padding:10px 11px;background:#fff;color:var(--text);font:inherit;font-weight:400;min-width:0}input:focus,select:focus{outline:3px solid #e3e5ff;border-color:var(--primary)}small{font-weight:400;color:var(--muted)}.flash-stack{display:grid;gap:10px;margin-bottom:20px}.flash{border-radius:10px;padding:11px 14px}.flash.success{background:#e8f8f1;color:#087351}.flash.error{background:#fff0f0;color:#aa303b}.detail-grid{display:grid;grid-template-columns:280px 1fr;gap:18px;margin-bottom:38px}.qr-card{padding:25px;text-align:center}.qr-wrap{background:#fff;display:grid;place-items:center;margin-bottom:17px}.qr-wrap img{width:190px;height:190px}.small{font-size:13px}.section-head{margin:20px 0 14px}.add-target{margin-bottom:16px}.target-form{display:grid;grid-template-columns:1fr 2fr 100px auto auto;align-items:end;gap:12px}.target-form .wide{min-width:0}.check{display:flex;align-items:center;gap:8px;height:42px;white-space:nowrap}.check input{min-width:auto}.target-list{display:grid;gap:12px}.target-row{padding:17px 20px}.target-row .target-form{margin-bottom:13px}.target-meta{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:13px}.status-pill{border-radius:999px;padding:3px 9px;font-size:12px}.status-pill.enabled{color:#087351;background:#e8f8f1}.status-pill.disabled{color:#68738a;background:#f0f2f6}@media(max-width:760px){.shell{width:min(100% - 28px,1080px)}main{padding-top:28px}.page-head{align-items:flex-start;flex-direction:column}.detail-grid{grid-template-columns:1fr}.target-form{grid-template-columns:1fr 1fr}.target-form .wide{grid-column:1/-1}.target-form button{grid-column:1/-1}.target-row .target-form{grid-template-columns:1fr 1fr}.target-row .target-form button{grid-column:auto}.topbar-inner{height:60px}}