:root{--ink:#172640;--muted:#5d687a;--paper:#f4f6f9;--line:#eaedf1;--ok:#1a9c53;--warn:#e0a72a;--bad:#d0453a;--sidebar-w:230px}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:15px}

.layout{display:flex;min-height:100vh}

.sidebar{width:var(--sidebar-w);flex-shrink:0;background:#fff;color:var(--ink);padding:18px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--line)}
.sidebar-brand{padding:0 8px;margin-bottom:2px}
.sidebar-brand img{height:26px;width:auto;display:block}
.sidebar-subtitle{color:var(--muted);font-size:12px;padding:0 8px;margin-bottom:20px}
.nav-section{color:#9aa4b5;font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:14px 8px 6px}
.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;color:#5d687a;text-decoration:none;font-size:13px;border-radius:10px;margin-bottom:6px;background:#f4f5f7}
.nav-icon{width:16px;height:16px;flex-shrink:0;opacity:.8}
.nav-link.site{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-link:hover{background:#e8ebef;color:var(--ink)}
.nav-link.active{background:#287fea;color:#fff;font-weight:600}
.nav-link.active .nav-icon{opacity:1}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.topbar-left{display:flex;align-items:center}
.topbar-brand{height:20px;width:auto;display:block}
.topbar-sep{margin:0 8px;opacity:.5}
.topbar-right{display:flex;align-items:center;gap:8px}
.topbar-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;color:var(--muted);border:1px solid var(--line)}
.topbar-icon:hover{background:#f1f3f6;color:var(--ink)}
.topbar-icon svg{width:16px;height:16px}
.topbar-btn{display:flex;align-items:center;gap:6px;padding:0 12px;height:32px;border-radius:16px;border:1px solid var(--line);color:var(--muted);font-size:12px;text-decoration:none}
.topbar-btn svg{width:14px;height:14px}
.topbar-btn:hover{background:#f1f3f6;color:var(--ink)}
.content{flex:1;min-width:0;padding:32px 36px}

.hamburger{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;border:none;background:transparent;color:var(--muted);cursor:pointer;margin-right:10px}
.hamburger:hover{background:#f1f3f6;color:var(--ink)}
.hamburger svg{width:18px;height:18px}
.layout.sidebar-collapsed .sidebar{width:0;padding:18px 0;overflow:hidden;border-right:none}

.topbar-stats-group{display:flex;align-items:center;height:34px;border-radius:17px;background:linear-gradient(135deg,#287fea,#1c63c4);box-shadow:0 2px 6px rgba(40,127,234,.25);overflow:hidden}
.topbar-stat{display:flex;align-items:center;gap:6px;padding:0 13px;height:100%;font-size:12px;color:#fff;white-space:nowrap;border-right:1px solid rgba(255,255,255,.22)}
.topbar-stat:last-child{border-right:none}
.topbar-stat svg{width:14px;height:14px;color:#cfe3fb;flex-shrink:0}
.topbar-user{position:relative;padding-left:6px;margin-left:4px;border-left:1px solid var(--line)}
.topbar-user-btn{display:flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;padding:6px 4px;border-radius:8px}
.topbar-user-btn:hover{background:#f1f3f6}
.topbar-avatar{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#287fea;color:#fff;font-weight:700;font-size:12px;flex-shrink:0}
.topbar-username{font-size:13px;color:var(--ink);font-weight:600}
.topbar-chevron{width:14px;height:14px;color:var(--muted);transition:transform .15s}
.topbar-user.open .topbar-chevron{transform:rotate(180deg)}
.topbar-dropdown{display:none;position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:12px;box-shadow:0 6px 20px rgba(23,38,64,.14);padding:6px;min-width:190px;z-index:20}
.topbar-user.open .topbar-dropdown{display:block}
.topbar-dropdown-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:13px}
.topbar-dropdown-item:hover{background:#f1f3f6}
.topbar-dropdown-item svg{width:16px;height:16px;color:var(--muted);flex-shrink:0}

.sites-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px}
.view-toggle{display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:4px}
.view-toggle-btn{display:grid;place-items:center;width:30px;height:30px;border:none;background:transparent;border-radius:7px;color:var(--muted);cursor:pointer}
.view-toggle-btn svg{width:16px;height:16px}
.view-toggle-btn:hover{color:var(--ink)}
.view-toggle-btn.active{background:#287fea;color:#fff}

.site-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.site-card{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 1px 3px rgba(23,38,64,.06);text-decoration:none;color:inherit}
.site-card-preview{position:relative;width:100%;aspect-ratio:4/3;background:#eef1f4;overflow:hidden}
.site-card-preview img{width:100%;height:100%;object-fit:cover;object-position:top}
.site-card-preview.fallback{display:flex;align-items:center;justify-content:center}
.site-card-initial{color:#fff;font-size:48px;font-weight:700;opacity:.9}
.site-card-body{padding:14px 16px}
.site-card-name{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-card-favicon{width:16px;height:16px;border-radius:4px;flex-shrink:0;object-fit:cover}
.site-card-favicon-fallback{display:grid;place-items:center;color:#fff;font-size:10px;font-weight:700}
.site-card-badges{display:flex;flex-wrap:wrap;gap:6px}

.site-gallery.list-view{display:flex;flex-direction:column;gap:10px}
.site-gallery.list-view .site-card{display:flex;align-items:center;gap:16px}
.site-gallery.list-view .site-card-preview{width:100px;aspect-ratio:auto;height:64px;flex-shrink:0}
.site-gallery.list-view .site-card-initial{font-size:26px}
.site-gallery.list-view .site-card-body{padding:10px 16px 10px 0;flex:1;min-width:0}
.page-title{margin:0 0 4px;font-size:24px}
.page-subtitle{margin:0 0 24px;color:var(--muted);font-size:14px}
.section-title{font-size:16px;margin:32px 0 14px}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-bottom:18px}
.card{background:#fff;border:none;border-radius:14px;padding:20px 22px;box-shadow:0 1px 3px rgba(23,38,64,.06)}
.card-wide{grid-column:1/-1}
.card-title{margin:0 0 16px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;font-weight:700}
.card-title small.hint{text-transform:none;letter-spacing:0;font-weight:400}

.gauges{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.gauge-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;flex:1;min-width:80px}
.gauge{width:88px;height:88px;border-radius:50%;background:conic-gradient(var(--ring-color) calc(var(--pct)*1%), #eef1f4 0);display:flex;align-items:center;justify-content:center}
.gauge-inner{width:68px;height:68px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center}
.gauge-value{font-weight:700;font-size:16px}
.gauge-label{text-align:center;font-size:12px;color:var(--muted);line-height:1.5}

.disk-tiles{display:flex;gap:10px;margin-bottom:18px}
.disk-tile{flex:1;background:#f4f5f7;border-radius:12px;padding:12px;text-align:center}
.disk-tile-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.disk-tile-pct{font-size:20px;font-weight:700;margin:2px 0}
.disk-tile-sub{font-size:11px;color:var(--muted)}

.disk-rings{position:relative;width:150px;height:150px;margin:0 auto 16px}
.ring{position:absolute;top:50%;left:50%;width:var(--size);height:var(--size);transform:translate(-50%,-50%);
  border-radius:50%;background:conic-gradient(var(--color) calc(var(--pct)*1%), #eef1f4 0);
  mask:radial-gradient(circle, transparent calc(50% - var(--thick)), black calc(50% - var(--thick) + 1px));
  -webkit-mask:radial-gradient(circle, transparent calc(50% - var(--thick)), black calc(50% - var(--thick) + 1px));
}

.disk-legend{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:center;font-size:11px;color:var(--muted)}
.disk-legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}

.counters{display:flex;flex-direction:column;gap:16px}
.counter{display:flex;align-items:baseline;gap:10px}
.counter-value{font-size:26px;font-weight:700;color:var(--ink)}
.counter-label{color:var(--muted);font-size:13px}

.overview-row{display:flex;align-items:center;gap:28px;padding:18px 26px}
.overview-title{font-weight:700;font-size:15px;padding-right:26px;border-right:1px solid var(--line)}
.overview-items{flex:1;display:flex}
.overview-item{flex:1;padding:0 20px;border-right:1px solid var(--line)}
.overview-item:last-child{border-right:none}
.overview-label{color:var(--muted);font-size:13px;margin-bottom:6px}
.overview-value{font-size:22px;font-weight:700;display:flex;align-items:center;gap:10px}
.overview-value.warn-text{color:var(--warn)}
.overview-arrow{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#f1f3f6;color:var(--muted);font-size:15px;text-decoration:none}
.overview-arrow:hover{background:#e8ebef}

.software-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.software-card{background:#f8f9fb;border-radius:12px;padding:14px}
.software-logo{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;margin-bottom:10px;background:#fff;box-shadow:0 1px 2px rgba(23,38,64,.08)}
.software-logo img{width:22px;height:22px}
.software-logo-fallback{color:#fff;font-weight:700;font-size:15px}
.software-name{font-weight:700;font-size:13px}
.software-version{color:var(--muted);font-size:11px;margin:2px 0 8px;word-break:break-word}

table.sites{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 1px 3px rgba(23,38,64,.06)}
table.sites th,table.sites td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
table.sites th{background:#f1f3f6;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
table.sites tr:last-child td{border-bottom:0}
a{color:#287fea}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.ok{background:#e5f7ec;color:var(--ok)}
.badge.warn{background:#fdf3e0;color:var(--warn)}
.badge.bad{background:#fce8e6;color:var(--bad)}
.badge.muted{background:#eef1f4;color:var(--muted)}
.hint{color:var(--muted);font-size:13px;margin-top:14px}
dl.detail{background:#fff;border-radius:14px;padding:20px 24px;box-shadow:0 1px 3px rgba(23,38,64,.06)}
dl.detail dt{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;margin-top:14px}
dl.detail dt:first-child{margin-top:0}
dl.detail dd{margin:4px 0 0}
code{background:#f1f3f6;padding:2px 6px;border-radius:4px;font-size:13px}

.tabs{display:flex;gap:4px;margin:16px 0 22px;border-bottom:1px solid var(--line)}
.tab{padding:9px 16px;color:var(--muted);text-decoration:none;font-size:14px;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--ink);border-bottom-color:#287fea;font-weight:600}

.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{margin:0 2px}

.log-box{background:#151f32;color:#dce6f5;padding:16px;border-radius:8px;font-size:12px;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word;max-height:400px;overflow-y:auto;margin-bottom:28px}

.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--paper)}
.login-card{background:#fff;border-radius:16px;box-shadow:0 4px 18px rgba(23,38,64,.10);padding:36px 34px;width:100%;max-width:340px;display:flex;flex-direction:column}
.login-brand{height:34px;width:auto;margin:0 auto;display:block}
.login-subtitle{color:var(--muted);font-size:13px;text-align:center;margin-bottom:26px}
.login-error{background:#fce8e6;color:var(--bad);font-size:13px;padding:9px 12px;border-radius:8px;margin-bottom:16px;text-align:center}
.login-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px}
.login-input{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;margin-bottom:18px;background:#f8f9fb;color:var(--ink)}
.login-input:focus{outline:none;border-color:#287fea;background:#fff}
.login-button{background:#287fea;color:#fff;border:none;border-radius:10px;padding:12px;font-size:14px;font-weight:600;cursor:pointer;margin-top:4px}
.login-button:hover{background:#1c6fd6}

@media(max-width:760px){
  .layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;padding:14px 0}
  .content{padding:20px}
  .software-grid{grid-template-columns:1fr}
}