/* Tunnelkey Provisioning — "ink & brass", same palette as the apps. */

:root {
  --canvas: #0b0f14;
  --raised: #131a22;
  --high: #1b2430;
  --line: #2a3542;
  --line-soft: #202a36;
  --ink: #e6edf3;
  --muted: #93a1b0;
  --brass: #e3a93b;
  --on-brass: #1e1404;
  --brass-soft: #3a2c10;
  --on-brass-soft: #ffdfa6;
  --secure: #3ccb9b;
  --secure-soft: #0f2e25;
  --danger: #ff7a6b;
  --danger-soft: #4a1510;
  --focus: #ffd27a;

  --display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --body: -apple-system, "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;

  --radius: 14px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --canvas: #f5f3ee;
    --raised: #ffffff;
    --high: #ece8e0;
    --line: #d8d3c8;
    --line-soft: #e6e1d7;
    --ink: #161a1f;
    --muted: #55606b;
    --brass: #8a5a00;
    --on-brass: #ffffff;
    --brass-soft: #fbe3b3;
    --on-brass-soft: #2c1c00;
    --secure: #0e7c5a;
    --secure-soft: #d6f2e7;
    --danger: #b3261e;
    --danger-soft: #f9dedc;
    --focus: #8a5a00;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--canvas);
  color: var(--ink);
  font: 15px/1.55 var(--body);
  min-height: 100vh;
  /* faint engraved grid, like a blueprint of the tunnel */
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  background-attachment: fixed;
}

[hidden] { display: none !important; }

a { color: var(--brass); }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

/* ---- Top bar ---------------------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.mark { width: 34px; height: 34px; }
.mark-outer { fill: none; stroke: var(--brass); stroke-width: 4.5; stroke-linecap: round; }
.mark-inner { fill: none; stroke: #5a6b7d; stroke-width: 1.8; stroke-linecap: round; }
.mark-key { fill: var(--ink); }
.brand-name { font: 600 21px/1 var(--display); letter-spacing: 0.01em; }
.brand-sub {
  font: 600 11px/1 var(--body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 10px;
  border-left: 1px solid var(--line);
}
.session { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }

main { max-width: 1180px; margin: 0 auto; padding: 32px clamp(16px, 4vw, 40px) 96px; }

/* ---- Type ----------------------------------------------------------- */

h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.005em; margin: 0; }
h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.1; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }
.eyebrow {
  font: 600 11px/1 var(--body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 10px;
}
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 13px; }
.lede { color: var(--muted); max-width: 60ch; margin: 10px 0 0; }

/* ---- Buttons & inputs ----------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font: 600 14px/1 var(--body);
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s, border-color .15s, color .15s, opacity .15s;
}
.btn.primary { background: var(--brass); color: var(--on-brass); }
.btn.primary:hover { background: color-mix(in srgb, var(--brass) 88%, white); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--muted); }
.btn.danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { min-height: 34px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn svg { width: 16px; height: 16px; }

label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.hint { font-size: 13px; color: var(--muted); margin-top: 6px; }

input[type=text], input[type=password], input[type=url], input[type=number], select, textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--canvas);
  color: var(--ink);
  font: 15px/1.4 var(--body);
  transition: border-color .15s;
}
textarea { font-family: var(--mono); font-size: 12.5px; resize: vertical; min-height: 120px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brass) 25%, transparent); }
input.mono { font-family: var(--mono); letter-spacing: 0.04em; }

.field { margin-bottom: 18px; }
.row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

/* Segmented choice (radio group) */
.segmented { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 12px; padding: 3px; gap: 3px; background: var(--canvas); }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label {
  margin: 0;
  padding: 9px 14px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  color: var(--muted);
  transition: background-color .15s, color .15s;
}
.segmented input:checked + label { background: var(--brass-soft); color: var(--on-brass-soft); }
.segmented input:focus-visible + label { outline: 2px solid var(--focus); }

/* ---- Cards ---------------------------------------------------------- */

.card {
  background: var(--raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 24px;
}
.card + .card { margin-top: 16px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.step {
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  margin-right: 10px;
  border-radius: 50%;
  border: 1px solid var(--brass);
  color: var(--brass);
  font: 600 13px/1 var(--mono);
  vertical-align: 2px;
}

.banner {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 14px;
}
.banner svg { flex: none; width: 20px; height: 20px; margin-top: 1px; }
.banner.warn { background: var(--brass-soft); color: var(--on-brass-soft); }
.banner.error { background: var(--danger-soft); color: var(--danger); }
.banner.ok { background: var(--secure-soft); color: var(--secure); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px;
  border-radius: 7px;
  font: 600 11.5px/1.3 var(--body);
  background: var(--high);
  color: var(--muted);
  white-space: nowrap;
}
.badge.brass { background: var(--brass-soft); color: var(--on-brass-soft); }
.badge.secure { background: var(--secure-soft); color: var(--secure); }

/* ---- Login ---------------------------------------------------------- */

.login { max-width: 400px; margin: 8vh auto 0; }
.login .card { padding: 32px; }
.login h1 { margin-bottom: 6px; }
.login form { margin-top: 26px; }

/* ---- Package list --------------------------------------------------- */

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }

.packages { display: grid; gap: 12px; }
.package {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  background: var(--raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color .15s;
}
.package:hover { border-color: var(--line); }
.package-name { font: 600 18px/1.3 var(--display); }
.package-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 6px; }
.package-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.empty {
  text-align: center;
  padding: 64px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
}
.empty h2 { color: var(--ink); margin-bottom: 8px; }
.empty .btn { margin-top: 20px; }

/* ---- Editor --------------------------------------------------------- */

.editor { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
@media (max-width: 960px) { .editor { grid-template-columns: 1fr; } .preview { display: none; } }

.drop {
  display: flex; align-items: center; gap: 16px;
  padding: 18px;
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
.drop:hover, .drop.over { border-color: var(--brass); background: color-mix(in srgb, var(--brass) 6%, transparent); }
.drop input { position: absolute; opacity: 0; pointer-events: none; width: 1px; }
.drop-icon { flex: none; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 10px; background: var(--high); color: var(--brass); }
.drop-icon svg { width: 22px; height: 22px; }
.drop strong { display: block; }
.detected { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
details.raw { margin-top: 12px; }
details.raw summary { cursor: pointer; color: var(--muted); font-size: 13px; }
details.raw textarea { margin-top: 10px; min-height: 220px; }

.totp-preview {
  display: flex; align-items: center; gap: 16px;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--canvas);
  border: 1px solid var(--line-soft);
}
.totp-code { font: 600 26px/1 var(--mono); letter-spacing: 0.18em; color: var(--brass); }
.ring { width: 34px; height: 34px; transform: rotate(-90deg); flex: none; }
.ring circle { fill: none; stroke-width: 3.5; }
.ring .track { stroke: var(--line); }
.ring .fill { stroke: var(--brass); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }

.links { display: grid; gap: 12px; }
.link-row {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--canvas);
}
.link-row-head { display: flex; gap: 10px; align-items: center; }
.link-row-head select { width: auto; min-width: 160px; }
.link-row-head .spacer { flex: 1; }
.icon-btn {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--line); color: var(--ink); }
.icon-btn svg { width: 18px; height: 18px; }

.savebar {
  position: sticky;
  bottom: 16px;
  display: flex; gap: 12px; align-items: center; justify-content: flex-end;
  margin-top: 20px;
  padding: 12px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--raised) 92%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
}
.savebar .status { margin-right: auto; padding-left: 6px; font-size: 14px; }

/* Phone preview */
.preview { position: sticky; top: 92px; }
.phone {
  border-radius: 34px;
  border: 1px solid var(--line);
  background: var(--canvas);
  padding: 14px;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6);
}
.phone-screen { border-radius: 24px; background: var(--raised); padding: 22px 16px 16px; min-height: 480px; display: flex; flex-direction: column; }
.phone-title { font: 600 18px/1.2 var(--display); text-align: center; overflow-wrap: anywhere; }
.phone-arch { display: block; margin: 18px auto 8px; width: 110px; height: 84px; }
.phone-arch path { fill: none; stroke: var(--line); stroke-width: 5; stroke-linecap: round; }
.phone-state { text-align: center; color: var(--muted); font-size: 13px; }
.phone-links { margin-top: 18px; display: grid; gap: 8px; }
.phone-link { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; background: var(--canvas); font-size: 13px; font-weight: 600; }
.phone-link svg { width: 16px; height: 16px; color: var(--brass); flex: none; }
.phone-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.phone-connect { margin-top: auto; padding-top: 16px; }
.phone-connect div { background: var(--brass); color: var(--on-brass); text-align: center; border-radius: 12px; padding: 12px; font-weight: 700; font-size: 13px; }
.phone-caption { margin-top: 12px; font-size: 12.5px; color: var(--muted); text-align: center; }

/* ---- Codes view ----------------------------------------------------- */

.codes-wrap { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
@media (max-width: 960px) { .codes-wrap { grid-template-columns: 1fr; } }
.codes { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.code {
  background: #fff;
  color: #111;
  border-radius: 18px;
  padding: 18px;
  text-align: center;
}
.code img { width: 100%; height: auto; image-rendering: pixelated; display: block; }
.code-label { font: 700 13px/1 var(--mono); letter-spacing: .08em; margin-top: 10px; color: #333; }

.cycle { position: fixed; inset: 0; z-index: 50; background: #fff; display: grid; place-items: center; }
.cycle img { width: min(88vmin, 900px); height: auto; image-rendering: pixelated; }
.cycle-label { position: absolute; top: 24px; left: 0; right: 0; text-align: center; color: #333; font: 700 18px/1 var(--mono); }
.cycle-close { position: absolute; top: 16px; right: 16px; background: #111; color: #fff; }

/* Desktop setup file */
.pass-wrap { position: relative; }
.pass-wrap input { padding-right: 48px; }
.pass-wrap .icon-btn { position: absolute; top: 4px; right: 4px; }
.passphrase { margin-top: 8px; padding: 10px 12px; border-radius: 10px; background: var(--canvas); border: 1px dashed var(--line); overflow-wrap: anywhere; user-select: all; }
.passphrase[hidden] { display: none; }
.pass-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.btn.block { width: 100%; }
.desktop .hint { margin-top: 10px; }

.steps-list { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
.steps-list li + li { margin-top: 6px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  z-index: 60;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--canvas);
  font-weight: 600; font-size: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

@media print {
  body { background: #fff; }
  .topbar, .no-print, .savebar { display: none !important; }
  main { padding: 0; }
  .codes-wrap { grid-template-columns: 1fr; }
  .code { break-inside: avoid; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---- Static (browser-only) edition ------------------------------------ */

.offline-note { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 24px; }
.offline-note svg { flex: none; width: 22px; height: 22px; color: var(--secure); margin-top: 2px; }
.offline-note strong { color: var(--ink); }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; }
.code canvas { width: 100%; height: auto; image-rendering: pixelated; display: block; }
.hidden-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.footer { margin-top: 48px; color: var(--muted); font-size: 13px; text-align: center; }
.footer a { color: var(--muted); }

/* ---- Dialogs -------------------------------------------------------- */

.modal {
  width: min(460px, calc(100vw - 32px));
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raised);
  color: var(--ink);
}
.modal::backdrop { background: rgba(5, 8, 12, 0.6); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.modal-head h3 { margin: 0; }
.modal form { display: grid; gap: 12px; }
.modal .muted { margin: 0; word-break: break-all; }