:root{
  --bg:#f5f6f8; --surface:#fff; --surface-2:#f0f2f5; --text:#14171f; --muted:#5d6475;
  --border:#e3e6ec; --primary:#1f6fe0; --primary-ink:#fff; --danger:#c8343a; --ok:#0f9d6b; --warn:#b7791f;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 4px 16px rgba(16,24,40,.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0e1117; --surface:#171b23; --surface-2:#1e232d; --text:#eef0f4; --muted:#9aa3b5;
    --border:#262c38; --primary:#5b95ff; --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0e1117; --surface:#171b23; --surface-2:#1e232d; --text:#eef0f4; --muted:#9aa3b5;
  --border:#262c38; --primary:#5b95ff; --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--primary)}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.main{padding:32px 16px 56px}
h1{font-size:26px;margin:0 0 4px;letter-spacing:-.02em}
h2{font-size:18px;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 24px}
.muted{color:var(--muted)}

/* Top bar */
.topbar{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;gap:20px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none;white-space:nowrap}
.logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#1f6fe0,#6c4ce0);display:grid;place-items:center;color:#fff;font-size:14px}
.nav{display:flex;gap:4px;flex:1;overflow-x:auto}
.nav a{padding:7px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-weight:500;font-size:14px;white-space:nowrap}
.nav a:hover{color:var(--text);background:var(--surface-2)}
.nav a.on{color:var(--text);background:var(--surface-2)}
.right{display:flex;align-items:center;gap:8px}
.icon-btn{width:34px;height:34px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.menu{position:relative}
.menu summary{list-style:none;display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px;border-radius:8px}
.menu summary::-webkit-details-marker{display:none}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font-weight:600;font-size:13px}
.who{font-size:14px;font-weight:500}
.menu-pop{position:absolute;right:0;top:calc(100% + 6px);min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:6px}
.menu-head{padding:8px 10px 10px;border-bottom:1px solid var(--border);margin-bottom:4px;display:flex;flex-direction:column}
.menu-head span{font-size:12px;color:var(--muted)}
.menu-pop a,.menu-pop button{display:block;width:100%;text-align:left;padding:8px 10px;border-radius:6px;color:var(--text);text-decoration:none;background:none;border:0;font:inherit;font-size:14px;cursor:pointer}
.menu-pop a:hover,.menu-pop button:hover{background:var(--surface-2)}
@media (max-width:760px){.who{display:none}.bar{gap:10px}.brand span:last-child{display:none}}

/* Workspace tiles */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:960px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid{grid-template-columns:1fr}}
.tile{position:relative;display:flex;flex-direction:column;gap:12px;padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);text-decoration:none;color:var(--text);transition:transform .15s,border-color .15s}
.tile::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;border-radius:14px 14px 0 0;background:var(--accent)}
.tile:hover,.tile:focus-visible{transform:translateY(-2px);border-color:var(--accent);outline:none}
.tile-top{display:flex;justify-content:space-between;align-items:center}
.tile-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.tile h3{margin:0;font-size:18px}
.tile p{margin:0;color:var(--muted);font-size:14px}
.tile .host{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);word-break:break-all}
.tile.locked{opacity:.5;box-shadow:none}
.tile.locked:hover{transform:none;border-color:var(--border)}
.lock{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:4px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 28px}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px}
.stat b{display:block;font-size:24px;letter-spacing:-.02em}
.stat span{font-size:13px;color:var(--muted)}
.section-title{display:flex;justify-content:space-between;align-items:baseline;margin:0 0 14px}

/* Cards, tables, forms */
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:0}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
.pill.ok{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.pill.off{background:color-mix(in srgb,var(--danger) 13%,transparent);color:var(--danger)}
.pill.ext{background:color-mix(in srgb,var(--warn) 15%,transparent);color:var(--warn)}
label{display:block;font-size:13px;font-weight:600;margin:0 0 6px}
input[type=text],input[type=email],input[type=password],input[type=tel],select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font:inherit}
input:focus,select:focus{outline:2px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}
.field{margin-bottom:16px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid transparent;background:var(--primary);color:var(--primary-ink);font:inherit;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn.danger{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}
.btn.sm{padding:5px 10px;font-size:13px}
.actions{display:flex;gap:6px;flex-wrap:wrap}
.actions form{margin:0}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:20px;font-size:14px;border:1px solid}
.flash.ok{background:color-mix(in srgb,var(--ok) 10%,transparent);border-color:color-mix(in srgb,var(--ok) 30%,transparent)}
.flash.err{background:color-mix(in srgb,var(--danger) 10%,transparent);border-color:color-mix(in srgb,var(--danger) 30%,transparent)}
.flash.warn{background:color-mix(in srgb,var(--warn) 10%,transparent);border-color:color-mix(in srgb,var(--warn) 30%,transparent)}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.check{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:6px 10px;border:1px solid var(--border);border-radius:8px;margin:0;cursor:pointer}
.check input{accent-color:var(--primary)}
.check.disabled{opacity:.4;cursor:not-allowed}
.matrix td:first-child{font-weight:600;white-space:nowrap}
.matrix td.c,.matrix th.c{text-align:center}
.matrix input{width:17px;height:17px;accent-color:var(--primary)}

/* Auth pages */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:32px}
.auth-card .logo{width:42px;height:42px;font-size:18px;margin-bottom:16px}
.auth-card .btn{width:100%;justify-content:center;padding:11px}
.logo-img{width:30px;height:30px;border-radius:8px;display:block}
.auth-logo{display:block;width:120px;height:120px;border-radius:14px;margin:0 0 18px}