:root {
  --bg: #14181c; --surface: #1d2328; --surface-2: #252c33; --text: #e6ebef; --muted: #93a1ad;
  --border: #313a42; --accent: #1fb5a6; --accent-text: #06201d; --danger: #e05a4b;
  --ok-bg: #12352a; --ok: #5ad6a2; --warn-bg: #3a2f12; --warn: #f0c060; --err-bg: #3d1a17; --err: #ff8a7d;
  --info-bg: #15293d; --info: #7fb6ea; --radius: 10px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-height: 100vh; display: flex; flex-direction: column;
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { flex: 1; width: 100%; display: flex; flex-direction: column; }
.foot { background: var(--surface); border-top: 1px solid var(--border); color: var(--muted); font-size: .88em; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 10px 24px; flex-wrap: wrap; padding-top: 16px; padding-bottom: 16px; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--accent); }
@media (max-width: 560px) { .foot-inner { flex-direction: column; text-align: center; } }
.banner { background: var(--warn-bg); color: var(--warn); border-bottom: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  font-size: .88em; padding: 7px 0; text-align: center; }
a { color: var(--accent); }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92em;
  background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }
code.select { user-select: all; word-break: break-all; }
h1 { font-size: 1.7rem; margin: .2em 0 .6em; } h2 { font-size: 1.2rem; margin: 0 0 .7em; }
h3 { font-size: 1.02rem; margin: 0 0 .4em; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 560px; margin: 24px auto; }
.muted { color: var(--muted); } .small { font-size: .87em; } .right { text-align: right; } .nowrap { white-space: nowrap; }

.top { background: var(--surface); border-bottom: 1px solid var(--border); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 58px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.05rem; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand img { display: block; }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); } nav a:hover { color: var(--text); }
nav a.btn { color: var(--accent-text); }
main { padding-bottom: 40px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin: 16px 0; }
.card.narrow { margin: 24px auto; }
/* login: centred in the viewport below the header */
.auth { flex: 1; display: flex; align-items: center; justify-content: center; }
.auth .card { width: 100%; max-width: 400px; margin: 24px 0; padding: 28px; }
.auth h1 { text-align: center; }
.auth .form .btn { justify-self: stretch; }
.auth .muted { text-align: center; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-text); border: 1px solid var(--accent);
  border-radius: 8px; padding: .55em 1.1em; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.small { padding: .35em .8em; font-size: .9em; } .btn.tiny { padding: .15em .55em; font-size: .8em; }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 0; }
button.link:hover { color: var(--text); }
form.inline { display: inline; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 4px; font-weight: 600; font-size: .93em; }
.form label .muted { font-weight: 400; }
input, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: .55em .7em; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; }
.form label.check { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; }
.form label.check input { width: auto; margin: .3em 0 0; accent-color: var(--accent); flex: none; }
.prose { max-width: 820px; margin: 24px auto; }
.prose h2 { font-size: 1.1rem; margin: 1.6em 0 .5em; }
.prose li { margin: .3em 0; }

.flash { border-radius: 8px; padding: .7em 1em; margin: 14px 0; background: var(--info-bg); color: var(--info); }
.flash.ok { background: var(--ok-bg); color: var(--ok); } .flash.error { background: var(--err-bg); color: var(--err); }
.flash ul { margin: 0; padding-left: 1.2em; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  border-radius: 99px; padding: .15em .65em; background: var(--info-bg); color: var(--info); }
.badge.approved { background: var(--ok-bg); color: var(--ok); } .badge.pending { background: var(--warn-bg); color: var(--warn); }
.badge.denied { background: var(--err-bg); color: var(--err); }
blockquote { margin: .6em 0; padding: .5em .9em; border-left: 3px solid var(--border); background: var(--surface-2);
  border-radius: 0 6px 6px 0; white-space: pre-wrap; }

.hero { padding: 40px 0 16px; }
.hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); line-height: 1.15; max-width: 18em; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 44em; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.grid3 .card { margin: 0; }
.steps li { margin: .35em 0; }

.creds { background: var(--surface-2); border: 1px dashed var(--accent); border-radius: 8px; padding: 14px 16px; margin: 14px 0; }
.creds dl, dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 8px 0; }
dt { color: var(--muted); } dd { margin: 0; }

.tunnel-list { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin: 16px 0; overflow: hidden; }
.tunnel-row { display: flex; align-items: center; gap: 14px; padding: 14px 18px; color: var(--text); text-decoration: none;
  border-top: 1px solid var(--border); }
.tunnel-row:first-child { border-top: 0; }
.tunnel-row:hover, .tunnel-row:focus-visible { background: var(--surface-2); }
.tr-main { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.tr-ip { font-size: 1.05rem; font-weight: 600; }
.chev { color: var(--muted); font-size: 1.4rem; line-height: 1; }
@media (max-width: 560px) { .tr-meta { display: none; } }
.conf-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.conf-head h2 { margin: 0; }
.conf pre { margin: 0; padding: 14px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  overflow-x: auto; font: .9em/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace; user-select: all; }
.tunnel { display: flex; gap: 20px; justify-content: space-between; flex-wrap: wrap; margin: 0; }
.tunnel-info { flex: 1 1 320px; min-width: 0; }
.tunnel-head { display: flex; align-items: center; gap: 10px; }
.tunnel-head h2 { margin: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.qr { display: none; } .qr.show { display: block; }
.qr img { width: 240px; max-width: 100%; background: #fff; border-radius: 8px; padding: 6px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; color: var(--muted); }
.stat span { display: block; font-size: 1.6rem; font-weight: 700; color: var(--text); }
.req { border-top: 1px solid var(--border); padding: 14px 0; }
.req:first-of-type { border-top: 0; padding-top: 0; }
.req-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.req-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.req-actions input { flex: 1 1 220px; width: auto; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92em; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: .85em; text-transform: uppercase; letter-spacing: .03em; }
tr.muted td { color: var(--muted); }