/* TunMan panel — no external fonts, no JavaScript. */
:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --text: #1d2330;
  --muted: #667085;
  --border: #d9dde3;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --warn: #a16207;
  --warn-bg: #fef9c3;
  --idle: #475467;
  --idle-bg: #eaecf0;
  --code-bg: #eef0f3;
  --sidebar-w: 232px;
  --side-bg: #ffffff;
  --side-hover: #f0f2f5;
  --side-active: #e8efff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --panel: #1b2029;
    --text: #e4e7ec;
    --muted: #98a2b3;
    --border: #2f3644;
    --accent: #3b82f6;
    --ok: #4ade80;
    --ok-bg: #12301f;
    --bad: #f87171;
    --bad-bg: #3a1717;
    --warn: #facc15;
    --warn-bg: #3a3212;
    --idle: #cbd5e1;
    --idle-bg: #2a303c;
    --code-bg: #232937;
    --side-bg: #161a22;
    --side-hover: #222834;
    --side-active: #1e2a44;
  }
}

* { box-sizing: border-box; }
html { font-size: 15px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Tahoma, Arial, sans-serif;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, Consolas, "Courier New", monospace; font-size: .9em; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code-bg); padding: 10px 12px; border-radius: 6px; overflow-x: auto; }

/* Layout: fixed sidebar on wide screens, off-canvas menu on phones.
   The menu toggle is a hidden checkbox + labels, so it needs no JavaScript. */
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand span { color: var(--accent); }
.brand:hover { text-decoration: none; }

.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--side-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 30;
}
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 10px; }
.sidebar-close { display: none; font-size: 1.6rem; line-height: 1; color: var(--muted); cursor: pointer; padding: 0 4px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 4px 10px 16px; }
.nav-group { margin-top: 14px; }
.nav-group-title {
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); padding: 0 10px 4px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px; border-radius: 6px;
  color: var(--text); font-size: .93rem;
}
.nav-link:hover { background: var(--side-hover); text-decoration: none; }
.nav-link.active { background: var(--side-active); color: var(--accent); font-weight: 600; }
.nav-link .ico { flex: none; }
.nav-link .count {
  margin-left: auto; min-width: 20px; padding: 0 6px; border-radius: 999px;
  font-size: .75rem; font-weight: 700; text-align: center; line-height: 18px;
  color: #fff; background: var(--bad);
}
.nav-link .count.warn { background: var(--warn); color: #000; }
.sidebar-foot { border-top: 1px solid var(--border); padding: 10px; }
.sidebar-foot form { margin: 0; }
.sidebar-foot .nav-link { width: 100%; background: none; border: 0; font: inherit; cursor: pointer; text-align: left; }
.ico { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.mobile-bar { display: none; }
.nav-overlay { display: none; }

.content { margin-left: var(--sidebar-w); min-width: 0; }
main { max-width: 1200px; margin: 0 auto; padding: 24px 24px 48px; }

@media (max-width: 899px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s ease; box-shadow: none; width: min(280px, 85vw); }
  .sidebar-close { display: block; }
  .nav-toggle:checked ~ .sidebar { transform: none; box-shadow: 0 0 40px rgba(0, 0, 0, .35); }
  .nav-toggle:checked ~ .nav-overlay { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .45); z-index: 20; }
  .content { margin-left: 0; }
  .mobile-bar {
    display: flex; align-items: center; gap: 12px;
    position: sticky; top: 0; z-index: 10;
    height: 52px; padding: 0 12px;
    background: var(--panel); border-bottom: 1px solid var(--border);
  }
  .hamburger { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; cursor: pointer; border-radius: 6px; }
  .hamburger:hover { background: var(--side-hover); }
  .hamburger .ico { width: 24px; height: 24px; }
  .mobile-bar .mobile-alert { margin-left: auto; }
  main { padding: 16px 16px 40px; }
}
h1 { font-size: 1.45rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.subtitle { color: var(--muted); margin: 0 0 18px; }
.page-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.page-head .subtitle { margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.actions form { margin: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 18px;
}
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); }

/* Stats */
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-bottom: 18px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.stat .num { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat.ok .num { color: var(--ok); }
.stat.bad .num { color: var(--bad); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.empty { color: var(--muted); padding: 24px 0; text-align: center; }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; word-break: break-word; }

/* Badges */
.badge { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.badge.online, .badge.info, .badge.active { color: var(--ok); background: var(--ok-bg); }
.badge.offline, .badge.error, .badge.revoked { color: var(--bad); background: var(--bad-bg); }
.badge.warning { color: var(--warn); background: var(--warn-bg); }
.badge.unknown, .badge.disabled, .badge.readonly { color: var(--idle); background: var(--idle-bg); }

/* Forms */
form.stack { display: grid; gap: 14px; max-width: 640px; }
.row2 { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 4px; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.hint { color: var(--muted); font-size: .82rem; margin-top: 3px; }
.field-error { color: var(--bad); font-size: .85rem; margin-top: 3px; }
input[type=text], input[type=password], input[type=number], textarea, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.has-error input, .has-error textarea { border-color: var(--bad); }
textarea { min-height: 80px; resize: vertical; }
input[type=checkbox] { width: 16px; height: 16px; }

.btn {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.3;
}
.btn:hover { text-decoration: none; filter: brightness(.96); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.small { padding: 3px 10px; font-size: .85rem; }
.btn.link { border: 0; background: none; color: var(--accent); padding: 0; font-weight: 500; }

/* Flash messages */
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; border: 1px solid transparent; }
.flash.ok { color: var(--ok); background: var(--ok-bg); }
.flash.error { color: var(--bad); background: var(--bad-bg); }
.flash.info { color: var(--idle); background: var(--idle-bg); }

.secret-box { border: 2px solid var(--ok); }
.secret-box pre { font-size: 1rem; user-select: all; word-break: break-all; white-space: pre-wrap; }

/* Login */
.login-wrap { max-width: 360px; margin: 10vh auto 0; padding: 0 16px; }
.login-wrap .brand { display: block; text-align: center; font-size: 1.6rem; margin-bottom: 18px; }

.pagination { display: flex; gap: 12px; align-items: center; margin-top: 12px; }

.center { text-align: center; }
.text-bad { color: var(--bad); }
.login-wrap.wide { max-width: 440px; }
.login-wrap > p.small { margin-top: 14px; }
.code-input { font-size: 1.5rem; letter-spacing: .3em; text-align: center; font-variant-numeric: tabular-nums; }
.qr { display: flex; justify-content: center; margin: 12px 0; }
.qr svg { width: 220px; height: 220px; background: #fff; border-radius: 6px; }
code.secret { font-size: 1rem; word-break: break-all; }
ol.steps { padding-left: 20px; margin: 0 0 8px; }
ol.steps li { margin-bottom: 4px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 10px; }
.inline-form input[type=text] { flex: 1; min-width: 180px; width: auto; }
textarea.mono { font-family: ui-monospace, Consolas, monospace; font-size: .8rem; min-height: 120px; }
tr.sub td { border-top: 0; padding-top: 0; overflow-wrap: anywhere; }
.flash, dd { overflow-wrap: anywhere; }
.ua { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
details summary { cursor: pointer; font-weight: 600; margin-bottom: 8px; }
details[open] { display: grid; gap: 12px; }
button[disabled] { opacity: .5; cursor: not-allowed; }

/* Server tiles */
.tiles { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); }
.tile {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; display: flex; flex-direction: column; gap: 10px;
  border-top: 3px solid var(--idle-bg);
}
.tile.is-online { border-top-color: var(--ok); }
.tile.is-offline { border-top-color: var(--bad); }
.tile.is-disabled { opacity: .7; }
.tile-head { display: flex; align-items: flex-start; gap: 10px; }
.tile-title { flex: 1; min-width: 0; }
.tile-title strong { font-size: 1.05rem; }
.tile-kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 0; font-size: .9rem; }
.tile-kv dt { color: var(--muted); }
.tile-kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.tile-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tile-error { margin: 0; overflow-wrap: anywhere; }
.tile-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 4px; }
.tile-foot form { margin: 0; }
.flag { font-family: "Twemoji Mozilla", "Segoe UI Emoji", "Noto Color Emoji", "Apple Color Emoji", sans-serif; }
.flag.big { font-size: 1.7rem; line-height: 1; }

/* Tag chips */
.chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 999px;
  font-size: .8rem; font-weight: 600; white-space: nowrap; border: 1px solid transparent;
  color: var(--chip-fg, var(--text)); background: var(--chip-bg, var(--idle-bg));
}
a.chip:hover { text-decoration: none; filter: brightness(.95); }
.c-blue { --chip-bg: #dbeafe; --chip-fg: #1d4ed8; }
.c-green { --chip-bg: #dcfce7; --chip-fg: #15803d; }
.c-orange { --chip-bg: #ffedd5; --chip-fg: #c2410c; }
.c-red { --chip-bg: #fee2e2; --chip-fg: #b91c1c; }
.c-purple { --chip-bg: #ede9fe; --chip-fg: #6d28d9; }
.c-teal { --chip-bg: #ccfbf1; --chip-fg: #0f766e; }
.c-pink { --chip-bg: #fce7f3; --chip-fg: #be185d; }
.c-gray { --chip-bg: var(--idle-bg); --chip-fg: var(--idle); }
.c-on { --chip-bg: var(--accent); --chip-fg: #fff; }
@media (prefers-color-scheme: dark) {
  .c-blue { --chip-bg: #1e3a5f; --chip-fg: #93c5fd; }
  .c-green { --chip-bg: #14361f; --chip-fg: #86efac; }
  .c-orange { --chip-bg: #43260f; --chip-fg: #fdba74; }
  .c-red { --chip-bg: #3f1616; --chip-fg: #fca5a5; }
  .c-purple { --chip-bg: #2e1f52; --chip-fg: #c4b5fd; }
  .c-teal { --chip-bg: #113a36; --chip-fg: #5eead4; }
  .c-pink { --chip-bg: #431831; --chip-fg: #f9a8d4; }
}
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; }
.toolbar .chip { margin-left: 2px; }

/* Forms: grouped options */
fieldset.box { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px 14px; margin: 0; display: grid; gap: 8px; }
fieldset.box legend { font-weight: 600; font-size: .9rem; padding: 0 6px; }
.indent { padding-left: 26px; }
.check-list { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.row-muted td { opacity: .55; }
.row-hl td { background: var(--side-active); }
.fail-box { border-color: var(--bad); }
.mono-steps { font-family: ui-monospace, Consolas, monospace; font-size: .8rem; }

.tabs { display: flex; flex-wrap: wrap; gap: 4px 18px; border-bottom: 1px solid var(--border); margin: 6px 0 18px; }
.tabs a { color: var(--muted); padding: 8px 0; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.active, .tabs a:hover { color: var(--text); border-bottom-color: var(--accent); text-decoration: none; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.filters select, .filters input[type=text] { width: auto; flex: 0 1 200px; }
input.narrow { width: 90px; display: inline-block; margin: 0 6px; }
.nowrap { white-space: nowrap; }

@media (max-width: 640px) {
  .row2 { grid-template-columns: 1fr; }
  .nav a { padding: 8px 0; }
  .hide-sm { display: none; }
}