:root{
  --bg:#f4f7fb;--card:#fff;--text:#162033;--muted:#6b778c;--line:#e6ebf2;
  --primary:#1769e0;--primary2:#0d57c9;--success:#138a55;--warning:#b76a00;
  --danger:#c73a3a;--shadow:0 10px 30px rgba(31,46,80,.08);
}
*{box-sizing:border-box}
html{background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text)}
body{margin:0;min-height:100vh;padding-bottom:84px}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
.topbar{height:64px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark,.login-logo{display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),#43a2ff);color:#fff;font-weight:900}
.brand-mark{width:36px;height:36px;border-radius:12px;font-size:13px}
.login-logo{width:68px;height:68px;border-radius:22px;margin:0 auto 18px}
.icon-button{border:0;background:#eef3fa;color:var(--text);padding:9px 13px;border-radius:12px}
.page{width:min(760px,100%);margin:0 auto;padding:18px 14px 24px}
.hero-row,.peer-title-row,.status-line{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero-row h1,.page-header h1{margin:.1em 0;font-size:28px}
.eyebrow{margin:0;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.page-header{margin-bottom:18px}.page-header p{color:var(--muted);margin:6px 0}.center{text-align:center}.back-link{display:inline-block;color:var(--primary);font-weight:700;margin-bottom:8px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0}
.stat-card,.detail-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.stat-card strong{display:block;font-size:24px}.stat-card span,.detail-card span{color:var(--muted);font-size:13px}
.search-bar{display:flex;gap:8px;margin:14px 0}
.search-bar input{flex:1}
input,textarea{width:100%;border:1px solid #ccd5e3;background:#fff;border-radius:13px;padding:13px 14px;color:var(--text);outline:none}
input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,105,224,.12)}
label{display:grid;gap:7px;font-weight:700;font-size:14px}
.stack{display:grid;gap:14px}
.button{border:0;border-radius:13px;padding:12px 16px;font-weight:800;text-align:center;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-height:46px}
.button:disabled{opacity:.5}.full{width:100%}.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}.secondary{background:#eaf1fb;color:#174b8c}.warning{background:#fff1df;color:#9c5700}.danger{background:#ffe8e8;color:#a72828}.success-button{background:#e4f6ed;color:#0d7145}
.peer-list{display:grid;gap:10px}
.peer-card{display:flex;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:15px;box-shadow:var(--shadow)}
.peer-main{min-width:0;flex:1}.peer-main h2{font-size:17px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.peer-main p{color:var(--muted);margin:7px 0;font-size:13px}
.peer-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-top:7px}
.chevron{font-size:28px;color:#9aa5b5;margin-left:9px}
.badge{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:900;white-space:nowrap}.success{background:#e1f6eb;color:#087145}.muted-badge{background:#edf0f5;color:#707a89}
.form-card,.qr-card,.config-details,.danger-zone,.error-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);margin:14px 0}
.form-card h2,.qr-card h2{margin:0 0 8px}.notice{background:#f0f6ff;border:1px solid #d5e5ff;color:#315a88;padding:12px;border-radius:13px;font-size:13px;line-height:1.55}
.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.detail-card strong{display:block;margin-top:8px;font-size:16px}
.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:14px 0}.action-grid form:first-child{grid-column:1/-1}
.qr-card{text-align:center}.qr-card img{width:min(290px,90%);height:auto;border-radius:12px;margin:8px auto 18px}.qr-card .button{margin-top:9px}
.config-details pre{white-space:pre-wrap;word-break:break-all;font-size:12px;background:#101828;color:#d5e7ff;border-radius:13px;padding:12px;max-height:320px;overflow:auto}
.danger-zone{border-color:#ffd0d0}.danger-zone summary{font-weight:900;color:var(--danger);cursor:pointer}.danger-zone p{color:var(--muted)}
.flash{padding:12px 14px;border-radius:13px;margin-bottom:12px;font-weight:700}.flash-success{background:#e2f7ec;color:#087145}.flash-error{background:#ffe5e5;color:#a72828}.flash-warning{background:#fff1d8;color:#8a5700}
.empty-state,.error-card{text-align:center;padding:36px 20px}.empty-icon,.error-icon{width:58px;height:58px;border-radius:18px;margin:0 auto 14px;display:grid;place-items:center;font-size:30px;background:#eaf2ff;color:var(--primary)}.empty-state p,.error-card p{color:var(--muted)}
.auth-shell{min-height:calc(100vh - 120px);display:grid;place-items:center}.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:26px}.auth-card h1{text-align:center;margin:0}.auth-card .muted{text-align:center;margin:7px 0 22px}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:68px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-top:1px solid var(--line);z-index:30}
.bottom-nav a{display:grid;place-items:center;align-content:center;gap:2px;color:#7c8798}.bottom-nav a span{font-size:22px;line-height:1}.bottom-nav a small{font-size:11px}.bottom-nav a.active{color:var(--primary);font-weight:900}
.timeline{display:grid;gap:9px}.log-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.log-card p{margin:5px 0;color:var(--muted);font-size:13px}.log-meta{display:flex;justify-content:space-between;color:#8c96a6;font-size:11px;margin-top:8px}
.danger-text{color:var(--danger)!important}.warning-text{color:var(--warning)!important}
@media(min-width:700px){.stats-grid{grid-template-columns:repeat(4,1fr)}.page{padding-top:26px}.bottom-nav{left:50%;transform:translateX(-50%);width:520px;border:1px solid var(--line);border-bottom:0;border-radius:20px 20px 0 0}}