/* Drip patch panel — anodized faceplate, silkscreen legends, lit or dark ports. */

:root {
  color-scheme: dark light;

  /* Faceplate and panel stock */
  --plate: #16181a;
  --plate-raised: #1e2124;
  --plate-sunk: #101214;
  --rule: #2b2f34;
  --rule-strong: #3b4147;

  /* Silkscreen */
  --ink: #ced2d7;
  --ink-dim: #848c94;
  --ink-faint: #5c646c;

  /* Write-on designation stock */
  --strip: #e9e6de;
  --strip-ink: #16181a;

  /* Signals — one accent, two adverse */
  --link: #3ad07b;
  --link-glow: rgba(58, 208, 123, 0.42);
  --hold: #e2a53a;
  --fault: #ef6a5c;

  /* Ethernet pair colours, used as account tags */
  --tag-1: #3d7fd6;
  --tag-2: #e2872f;
  --tag-3: #47a85c;
  --tag-4: #a06a44;
  --tag-5: #8e93a0;
  --tag-6: #cf5aa8;
  --tag-7: #d6c23d;
  --tag-8: #4bb5bd;

  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23848c94' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

  --pitch: 4px;
  --radius: 3px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --plate: #dcdedb;
    --plate-raised: #eceeea;
    --plate-sunk: #cfd2ce;
    --rule: #b9bdb8;
    --rule-strong: #9aa09a;

    --ink: #1c1f22;
    --ink-dim: #565d63;
    --ink-faint: #767d84;

    --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23565d63' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

    --strip: #fbfaf6;
    --strip-ink: #16181a;

    --link: #12864a;
    --link-glow: rgba(18, 134, 74, 0.34);
    --hold: #96650b;
    --fault: #b0281a;

    --tag-1: #2a5fa8;
    --tag-2: #a85c14;
    --tag-3: #2f7a41;
    --tag-4: #7a4f31;
    --tag-5: #5f6570;
    --tag-6: #9c3b7c;
    --tag-7: #8a7a15;
    --tag-8: #226f76;
  }
}

*, *::before, *::after { box-sizing: border-box; }

/* A display rule on .gate would otherwise defeat the hidden attribute. */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--plate);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  accent-color: var(--link);
}

::selection { background: var(--link); color: var(--plate-sunk); }

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

* { scrollbar-color: var(--rule-strong) transparent; scrollbar-width: thin; }
*::-webkit-scrollbar { height: 10px; width: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--rule-strong);
  border-radius: 6px;
  border: 3px solid var(--plate);
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---- silkscreen legend ------------------------------------------------- */

.legend {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
}

.note { color: var(--ink-dim); font-size: 13px; margin: 0; max-width: 66ch; }
.alert { color: var(--fault); font-size: 13px; margin: 0; }

h1 { font-size: 19px; letter-spacing: -0.01em; margin: 0; font-weight: 600; }
h2 { font-size: 17px; letter-spacing: -0.01em; margin: 0; font-weight: 600; }

.mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px;
  letter-spacing: -0.01em;
}

/* ---- chassis (top rail) ------------------------------------------------ */

.chassis {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  padding: 0 20px;
  min-height: 52px;
  background: linear-gradient(var(--plate-raised), var(--plate));
  border-bottom: 1px solid var(--rule-strong);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
}

.chassis-id { display: flex; align-items: baseline; gap: 10px; }
.unit { font-weight: 700; letter-spacing: 0.18em; font-size: 12px; }

#tabs { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }

#tabs button {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--ink-dim);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 16px 12px 14px;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}
#tabs button:hover { color: var(--ink); }
#tabs button.active { color: var(--ink); border-bottom-color: var(--link); }

.chassis-session { display: flex; align-items: center; gap: 14px; }

/* ---- language picker ---------------------------------------------------- */

.lang-slot { display: inline-flex; }

select.lang {
  appearance: none;
  background: transparent var(--chevron) no-repeat right 8px center;
  background-size: 9px 5px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 4px 24px 4px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  cursor: pointer;
}
select.lang:hover { color: var(--ink); border-color: var(--ink-faint); }
select.lang option { background: var(--plate-raised); color: var(--ink); letter-spacing: 0; }

.gate-lang { margin-top: 18px; justify-content: center; width: min(390px, 100%); }

/* ---- main -------------------------------------------------------------- */

main { padding: 26px 20px 72px; }

.view-head { margin-bottom: 20px; }
.view-head h1 { margin-bottom: 3px; }

/* ---- panel (a rack unit) ----------------------------------------------- */

.panel {
  background: var(--plate-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  margin-bottom: 22px;
}

.panel-rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--plate-sunk);
  border-radius: var(--radius) var(--radius) 0 0;
}

.panel-body { padding: 16px; }

/* ---- the port field ---------------------------------------------------- */

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.port {
  position: relative;
  background: var(--plate-raised);
  padding: 13px 13px 12px;
  display: grid;
  grid-template-columns: 2rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 9px;
  row-gap: 11px;
  min-height: 8.25rem;
  align-content: start;
  transition: background 160ms var(--ease);
}
.port:hover { background: color-mix(in srgb, var(--plate-raised) 88%, var(--ink) 12%); }

/* Strict margin column: every port number aligns on the same rule. */
.port-no {
  grid-column: 1;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
  border-right: 1px solid var(--rule);
  padding-right: 6px;
  align-self: start;
  line-height: 1.9;
}

.port-jack { grid-column: 2; display: flex; align-items: center; gap: 8px; }

.port-jack svg {
  width: 38px;
  height: 28px;
  fill: none;
  stroke: var(--ink-dim);
  stroke-width: 1.5;
  stroke-linecap: square;
  flex: none;
}

.led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rule-strong);
  flex: none;
  margin-left: auto;
  transition: background 200ms var(--ease), box-shadow 200ms var(--ease);
}
.port.is-linked .led { background: var(--link); box-shadow: 0 0 7px 1px var(--link-glow); }
.port.is-linked .port-jack svg { stroke: var(--ink); }
.port.is-held .led { background: var(--hold); }

/* The one authored motion moment: a port coming up energizes its LED. */
@keyframes energize {
  0% { box-shadow: 0 0 0 0 var(--link-glow); }
  40% { box-shadow: 0 0 12px 4px var(--link-glow); }
  100% { box-shadow: 0 0 7px 1px var(--link-glow); }
}
.port.just-linked .led { animation: energize 420ms var(--ease); }

.port-strip {
  grid-column: 1 / -1;
  background: var(--strip);
  color: var(--strip-ink);
  border-radius: 1px;
  padding: 4px 7px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.28);
}
.port.is-disabled .port-strip { text-decoration: line-through; opacity: 0.62; }

/* An unlabelled patch: a live tunnel nobody reserved. */
.port-strip.unlabelled {
  background: repeating-linear-gradient(
    -45deg, var(--plate-sunk), var(--plate-sunk) 5px, var(--plate) 5px, var(--plate) 10px);
  color: var(--ink-dim);
  box-shadow: none;
  font-weight: 500;
}

.port-meta { grid-column: 1 / -1; display: flex; gap: 8px; align-items: center; }

.tag {
  width: 3px;
  height: 13px;
  border-radius: 1px;
  flex: none;
  background: var(--tag-5);
}
.tag-1 { background: var(--tag-1); } .tag-2 { background: var(--tag-2); }
.tag-3 { background: var(--tag-3); } .tag-4 { background: var(--tag-4); }
.tag-5 { background: var(--tag-5); } .tag-6 { background: var(--tag-6); }
.tag-7 { background: var(--tag-7); } .tag-8 { background: var(--tag-8); }

.port-meta { align-items: flex-start; }
.port-meta .legend { line-height: 1.35; overflow-wrap: anywhere; }

.port-blank {
  background:
    repeating-linear-gradient(90deg,
      var(--plate-sunk), var(--plate-sunk) 2px, var(--plate) 2px, var(--plate) 5px);
  min-height: 8.25rem;
}

/* Blanking plate: what an unused position looks like on a real panel. */
.blank {
  background: repeating-linear-gradient(
    90deg, var(--plate-sunk), var(--plate-sunk) 2px, var(--plate) 2px, var(--plate) 4px);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
}
.blank .legend { display: block; margin-bottom: 6px; }
/* .note caps its measure at 66ch; centre it so it sits under the legend. */
.blank .note { margin-inline: auto; }

/* ---- counts on the rail ------------------------------------------------ */

.counts { display: flex; gap: 20px; align-items: baseline; flex-wrap: wrap; }
.counts.legend-row { gap: 16px; }
.count { display: flex; align-items: baseline; gap: 6px; }
.count b { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.count.linked b { color: var(--link); }

/* ---- tables ------------------------------------------------------------ */

.scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left;
  padding: 8px 14px;
  border-bottom: 1px solid var(--rule-strong);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
  white-space: nowrap;
}
tbody td { padding: 9px 14px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--plate-raised) 90%, var(--ink) 10%); }
td.right, th.right { text-align: right; white-space: nowrap; }
td.wrap { white-space: normal; }

/* First column carries the strict margin rule the field established. */
tbody td:first-child, thead th:first-child { border-right: 1px solid var(--rule); }

.state { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.state .led { margin-left: 0; }
.state.on { color: var(--link); }
.state.off { color: var(--ink-dim); }
.state.held { color: var(--hold); }
.state.on .led { background: var(--link); }
.state.held .led { background: var(--hold); }

/* ---- controls ---------------------------------------------------------- */

button, input, select { font: inherit; color: var(--ink); }

.btn, .btn-quiet, .btn-danger {
  appearance: none;
  border-radius: var(--radius);
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease);
}

.btn {
  background: var(--link);
  border: 1px solid var(--link);
  color: #06140c;
}
.btn:hover { background: color-mix(in srgb, var(--link) 86%, white 14%); }
.btn:active { background: color-mix(in srgb, var(--link) 88%, black 12%); }

.btn-quiet {
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink-dim);
}
.btn-quiet:hover { color: var(--ink); border-color: var(--ink-faint); }

.btn-danger {
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--fault);
}
.btn-danger:hover { border-color: var(--fault); }

.btn:disabled, .btn-quiet:disabled, .btn-danger:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-row { display: inline-flex; gap: 6px; justify-content: flex-end; }
.small { padding: 4px 9px; font-size: 11px; }

.field { display: flex; flex-direction: column; gap: 5px; }
.field.grow { flex: 1 1 11rem; min-width: 0; }

/* Chrome forces line-height: normal on a select, so an input and a select with
   identical padding still end up a few pixels apart. A row of controls that
   disagree by two pixels reads as a defect, so both are pinned to one box and
   let their own vertical centring do the rest. */
.field input, .field select { height: 38px; padding-block: 0; }

/* The native arrow sits hard against the right edge and no padding moves it, so
   the control draws its own chevron and clears room for it. The glyph is a
   background image, which cannot take currentColor — hence one URI per theme. */
.field select {
  appearance: none;
  padding-right: 30px;
  background-image: var(--chevron);
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 10px 6px;
}

input, select {
  background: var(--plate-sunk);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 7px 10px;
  min-width: 0;
  transition: border-color 150ms var(--ease);
}
input:hover, select:hover { border-color: var(--ink-faint); }
input::placeholder { color: var(--ink-faint); }
input:disabled, select:disabled { opacity: 0.5; cursor: not-allowed; }

form.bench { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
form.bench .btn { margin-bottom: 1px; }

/* Inline two-step confirmation, so a destructive action never needs a modal. */
.confirm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 4px 3px 10px;
  border: 1px solid var(--fault);
  border-radius: var(--radius);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.confirm span { font-size: 11.5px; color: var(--ink); }

/* ---- gate -------------------------------------------------------------- */

.gate {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.plate {
  position: relative;
  background: var(--plate-raised);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 30px 28px 26px;
  width: min(390px, 100%);
  display: flex;
  flex-direction: column;
  gap: 15px;
  box-shadow: 0 18px 44px -22px rgba(0, 0, 0, 0.7);
}
.plate h1 { margin-top: -6px; }
.plate .btn { margin-top: 4px; }

/* Rack ears: the two screws that hold a panel in the frame. */
.plate-screws i {
  position: absolute;
  top: 13px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--plate-sunk);
  box-shadow: 0 1px 0 var(--rule-strong);
}
.plate-screws i:first-child { left: 12px; }
.plate-screws i:last-child { right: 12px; }

/* ---- token dialog ------------------------------------------------------ */

.tag-dialog {
  background: var(--plate-raised);
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 26px;
  width: min(520px, calc(100vw - 32px));
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
}
.tag-dialog::backdrop { background: rgba(6, 8, 10, 0.72); }
.tag-dialog h2 { margin: 2px 0 8px; }

.tag-strip {
  display: block;
  background: var(--strip);
  color: var(--strip-ink);
  border-radius: 1px;
  padding: 12px 14px;
  margin: 16px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
  user-select: all;
}

.tag-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---- status line ------------------------------------------------------- */

.status {
  position: fixed;
  left: 20px;
  bottom: 18px;
  margin: 0;
  background: var(--plate-raised);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 9px 14px;
  font-size: 13px;
  max-width: min(520px, calc(100vw - 40px));
  overflow-wrap: anywhere;
  box-shadow: 0 10px 30px -16px rgba(0, 0, 0, 0.7);
}
.status.bad { border-color: var(--fault); color: var(--fault); }

/* ---- loading skeleton -------------------------------------------------- */

.skeleton { background: var(--plate-sunk); border-radius: 2px; height: 11px; }
.skeleton-port { min-height: 6.5rem; background: var(--plate-raised); padding: 10px; }
.skeleton-port .skeleton + .skeleton { margin-top: 10px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 640px) {
  .chassis { gap: 12px; padding: 0 14px; }
  #tabs { order: 3; width: 100%; border-top: 1px solid var(--rule); }
  #tabs button { padding: 11px 9px; flex: 1; }
  .chassis-session { margin-left: auto; }
  main { padding: 18px 14px 60px; }
  .field-grid { grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr)); }
  form.bench { gap: 10px; }
  form.bench .field.grow { flex-basis: 100%; }
  .status { left: 14px; right: 14px; max-width: none; }
}

/* ---- copyable command / token ------------------------------------------ */

.copyable { margin: 14px 0; }
.copyable .legend { display: block; margin-bottom: 6px; }

.copyable-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
.copyable-row .tag-strip {
  flex: 1;
  margin: 0;
  min-width: 0;
  display: flex;
  align-items: center;
}
.copyable-row .btn-quiet { flex: none; align-self: stretch; }

.tag-dialog .note strong {
  color: var(--ink);
  font-weight: 600;
  overflow-wrap: anywhere;
}

/* ---- patch-in builder --------------------------------------------------- */

/* A checkbox is the one control that reads left to right, not top to bottom. */
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
}
.check input { width: 15px; height: 15px; accent-color: var(--link); }
.check .legend { cursor: pointer; }

.platform-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.platform-tabs .active {
  color: var(--ink);
  border-color: var(--link);
}

/* The script keeps its own line breaks: a wrapped command is a command that
   gets pasted wrong. It scrolls sideways instead. */
.script {
  background: var(--strip);
  color: var(--strip-ink);
  border-radius: 1px;
  padding: 14px 16px;
  margin: 0 0 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
}
.script-actions { justify-content: flex-start; margin-bottom: 10px; }
.script-pane .note { margin-bottom: 10px; }