/* tunnelhub dashboard — design tokens */
:root {
  --bg: #0a0d13;
  --bg-elev: #10141d;
  --panel: #131823;
  --panel-2: #182030;
  --border: #212939;
  --border-strong: #2c3648;
  --text: #e8ecf4;
  --text-dim: #9aa5bb;
  --text-faint: #6b7689;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --good: #3ddc84;
  --good-soft: rgba(61, 220, 132, 0.13);
  --warn: #e3b341;
  --warn-soft: rgba(227, 179, 65, 0.13);
  --bad: #ff6b6b;
  --bad-soft: rgba(255, 107, 107, 0.13);
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.28);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", sans-serif;
  --sidebar-w: 232px;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f7fa;
    --bg-elev: #ffffff;
    --panel: #ffffff;
    --panel-2: #f2f4f8;
    --border: #e3e7ee;
    --border-strong: #d2d8e3;
    --text: #131722;
    --text-dim: #5b6474;
    --text-faint: #8a93a5;
    --accent: #2f6bff;
    --accent-soft: rgba(47, 107, 255, 0.10);
    --good: #12915a;
    --good-soft: rgba(18, 145, 90, 0.10);
    --warn: #9a6b00;
    --warn-soft: rgba(154, 107, 0, 0.10);
    --bad: #cf2b2b;
    --bad-soft: rgba(207, 43, 43, 0.10);
    --shadow: 0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.08);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.hidden { display: none !important; }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
code { background: var(--panel-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 6px; }
pre {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  padding: 14px; border-radius: var(--radius); overflow-x: auto; margin: 8px 0; line-height: 1.6;
}
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.011em; }
h1 { font-size: 19px; }
h2 { font-size: 16px; }
h3 { font-size: 13px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .06em; margin: 26px 0 10px; }
::selection { background: var(--accent-soft); }

/* ---------- forms ---------- */
input, select, textarea {
  width: 100%; background: var(--bg-elev); border: 1px solid var(--border);
  color: var(--text); padding: 9px 11px; border-radius: 8px; font: inherit; font-size: 13px;
  transition: border-color .14s, box-shadow .14s;
}
input::placeholder { color: var(--text-faint); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; font-weight: 500; }
.field { margin-bottom: 14px; }

button {
  background: var(--accent); color: #fff; border: 1px solid transparent;
  padding: 8px 14px; border-radius: 8px; cursor: pointer;
  font: inherit; font-size: 13px; font-weight: 500; white-space: nowrap;
  transition: filter .14s, background .14s, border-color .14s, opacity .14s;
}
button:hover { filter: brightness(1.08); }
button:active { filter: brightness(.95); }
button:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
button.ghost:hover { background: var(--panel-2); filter: none; }
button.danger { background: transparent; border-color: var(--border-strong); color: var(--bad); }
button.danger:hover { background: var(--bad-soft); filter: none; }
button.icon {
  background: transparent; border-color: transparent; color: var(--text-faint);
  padding: 3px 7px; font-size: 12px; line-height: 1.4; border-radius: 6px;
}
button.icon:hover { background: var(--panel-2); color: var(--text); filter: none; }
tr .row-actions button.icon { opacity: 0; }
tr:hover .row-actions button.icon, button.icon:focus-visible { opacity: 1; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow);
}
.login-mark { font-size: 26px; margin-bottom: 14px; }
.login-card h1 { margin-bottom: 4px; }
.login-card > p { margin: 0 0 22px; font-size: 13px; }
.login-card button { width: 100%; margin-top: 6px; }
.login-card button.ghost { margin-top: 8px; }
.error { color: var(--bad); font-size: 13px; min-height: 18px; margin-top: 12px; }

/* ---------- app shell ---------- */
.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
.sidebar {
  background: var(--bg-elev); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 12px; gap: 4px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 9px; padding: 4px 10px 18px; font-weight: 600; font-size: 15px; }
.brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 3px var(--good-soft); flex: none; }
.brand small { display: block; font-weight: 400; font-size: 11px; color: var(--text-faint); font-family: var(--mono); }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav button {
  background: transparent; border: 0; color: var(--text-dim); text-align: left;
  padding: 8px 11px; border-radius: 8px; font-weight: 500; display: flex; align-items: center; gap: 9px;
}
.nav button:hover { background: var(--panel-2); color: var(--text); filter: none; }
.nav button.active { background: var(--accent-soft); color: var(--accent); }
.nav button .ico { width: 15px; text-align: center; opacity: .85; flex: none; }
.sidebar-foot { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); }
.who { padding: 6px 10px; font-size: 12px; }
.who b { display: block; font-weight: 500; color: var(--text); overflow: hidden; text-overflow: ellipsis; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 14px; padding: 16px 26px;
  border-bottom: 1px solid var(--border); background: var(--bg);
  position: sticky; top: 0; z-index: 20; flex-wrap: wrap;
}
.topbar .spacer { margin-left: auto; }
.page { padding: 24px 26px 60px; }
.subtle { font-size: 13px; color: var(--text-dim); margin: 0 0 16px; }

.scope { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--text-dim); white-space: nowrap; }
.scope input { width: auto; margin: 0; accent-color: var(--accent); }

/* ---------- cards & stats ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px;
}
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat span { font-size: 11.5px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.stat b { display: block; font-size: 23px; font-weight: 600; margin-top: 5px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }

/* ---------- toolbar ---------- */
.toolbar { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar input, .toolbar select { width: auto; min-width: 170px; }
.toolbar .spacer { margin-left: auto; }

/* ---------- tables ---------- */
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 12px; font-size: 13px; vertical-align: middle; }
.nowrap { white-space: nowrap; }
td.ellipsis { max-width: 132px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
td.ellipsis .cell-sub { overflow: hidden; text-overflow: ellipsis; }
th {
  color: var(--text-dim); font-weight: 500; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em;
  background: var(--panel-2); border-bottom: 1px solid var(--border); white-space: nowrap;
}
td { border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr { transition: background .1s; }
tbody tr:hover { background: var(--panel-2); }
td.row-actions { text-align: right; white-space: nowrap; }
td.num { font-variant-numeric: tabular-nums; color: var(--text-dim); }
.cell-main { display: flex; align-items: center; gap: 6px; }
.cell-sub { display: block; font-size: 11.5px; color: var(--text-faint); margin-top: 3px; }
.cell-sub .badge { font-size: 10.5px; padding: 1px 6px; }
.url { font-family: var(--mono); font-size: 12.5px; }
.clickable { cursor: pointer; }
tr.selected { background: var(--accent-soft) !important; }

.empty { padding: 44px 20px; text-align: center; color: var(--text-dim); }
.empty .big { font-size: 26px; margin-bottom: 10px; opacity: .55; }
.empty p { margin: 6px 0; font-size: 13px; }

/* ---------- badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 500; border: 1px solid var(--border-strong); color: var(--text-dim);
  white-space: nowrap;
}
.badge.ok { color: var(--good); background: var(--good-soft); border-color: transparent; }
.badge.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.badge.bad { color: var(--bad); background: var(--bad-soft); border-color: transparent; }
.badge.info { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- inspector ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.detail {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 18px; max-height: 74vh; overflow: auto;
}
.detail pre { font-size: 12px; max-height: 260px; }
.detail-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }

/* ---------- notice ---------- */
.notice {
  background: var(--good-soft); border: 1px solid transparent; color: var(--text);
  padding: 14px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px;
}
.notice code { background: var(--bg-elev); word-break: break-all; }
.notice b { color: var(--good); }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(5, 8, 14, .62); backdrop-filter: blur(3px);
  display: grid; place-items: center; z-index: 100; padding: 20px;
  animation: fade .13s ease-out;
}
.modal {
  background: var(--panel); border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); width: 100%; max-width: 440px; padding: 22px;
  animation: pop .15s cubic-bezier(.2,.9,.3,1.2);
}
.modal h2 { margin-bottom: 6px; }
.modal .modal-body { font-size: 13px; color: var(--text-dim); margin-bottom: 16px; }
.modal .modal-body p { margin: 0 0 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 18px; }
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }
@keyframes pop { from { opacity: 0; transform: translateY(6px) scale(.98) } to { opacity: 1; transform: none } }

/* ---------- toasts ---------- */
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 9px; }
.toast {
  background: var(--panel); border: 1px solid var(--border-strong); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 11px 15px; font-size: 13px; box-shadow: var(--shadow);
  max-width: 400px; animation: slide .18s ease-out;
}
.toast.ok { border-left-color: var(--good); }
.toast.bad { border-left-color: var(--bad); }
.toast b { display: block; margin-bottom: 2px; }
.toast .t-msg { color: var(--text-dim); font-size: 12.5px; word-break: break-word; }
@keyframes slide { from { opacity: 0; transform: translateX(14px) } to { opacity: 1; transform: none } }

/* ---------- setup page ---------- */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 38px; margin-bottom: 26px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: -1px; width: 25px; height: 25px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); display: grid; place-items: center;
  font-size: 12px; font-weight: 600;
}
.step h2 { margin-bottom: 8px; }
.step p { margin: 0 0 8px; font-size: 13px; color: var(--text-dim); }
.copy-row { position: relative; }
.copy-row button { position: absolute; top: 8px; right: 8px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static; height: auto; flex-direction: row; align-items: center;
    overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 10px 12px;
  }
  .brand { padding: 0 12px 0 6px; }
  .brand small { display: none; }
  .nav { flex-direction: row; }
  .sidebar-foot { margin-top: 0; padding-top: 0; border-top: 0; margin-left: auto; }
  .who { display: none; }
  .split { grid-template-columns: 1fr; }
  .page, .topbar { padding-left: 16px; padding-right: 16px; }
}