/* Tandem — shared design tokens and components.
   Direction: "Field Manual, Night Ops" (chosen from ui-variants/variant-02.html).
   Display: Fragment Mono. Body: Archivo. Chamfered corners, never border-radius.
   Ramp: paper/ink neutrals + teal (GO) + burnt-orange (REFUSE) + amber (EXECUTING). */

:root {
  --ink-0: #1c1b18;
  --ink-1: #252420;
  --ink-2: #33312b;
  --ink-3: #57534a;
  --paper-0: #fdfbf6;
  --paper-1: #f4f1ea;
  --paper-2: #e8e3d8;
  --paper-3: #8a857a;

  --teal-1: #0e3a33;
  --teal-2: #1f6f63;
  --teal-3: #3d9c8e;

  --orange-1: #b23a0c;
  --orange-2: #e14a0f;
  --orange-3: #ff8a54;

  --amber-1: #8a5a12;
  --amber-2: #c07e1e;
  --amber-3: #e8a33d;
  --amber-4: #f2c777;

  --font-display: "Fragment Mono", ui-monospace, "SFMono-Regular", monospace;
  --font-body: "Archivo", ui-sans-serif, system-ui, sans-serif;

  --gutter: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink-0);
  overflow-x: hidden;
}

body {
  color: var(--paper-0);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

::selection { background: var(--teal-2); color: var(--paper-0); }

/* ---------------------------------------------------------------- layout helpers */

.bg-grid {
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 21px, rgba(253, 251, 246, 0.035) 22px),
    repeating-linear-gradient(90deg, transparent, transparent 21px, rgba(253, 251, 246, 0.035) 22px);
}

.top-strip {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px clamp(var(--gutter), 4vw, 40px);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper-3);
  border-bottom: 1px solid var(--ink-2);
}
.top-strip b { color: var(--paper-0); }
.top-strip a.home-link { color: var(--teal-3); text-decoration: none; }
.top-strip a.home-link:hover { color: var(--paper-0); }

/* ---------------------------------------------------------------- type */

.eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-3);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--teal-3); flex: none; }

h1.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
}
h1.display em { font-style: normal; color: var(--orange-2); }

p.sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--paper-2);
  line-height: 1.6;
  margin: 0;
}

.mono { font-family: var(--font-display); }

/* ---------------------------------------------------------------- chamfered surfaces */

.chamfer {
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.chamfer-sm {
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.panel {
  background: var(--ink-1);
  border: 1px solid var(--ink-2);
}

.btn {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink-0);
  background: var(--paper-0);
  border: none;
  padding: 15px 26px;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.btn:hover { background: var(--teal-3); }
.btn:disabled { background: var(--ink-3); color: var(--paper-3); cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--paper-0);
  border: 1px solid var(--ink-3);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  font-family: var(--font-display);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--teal-3); color: var(--teal-3); }
.btn-ghost.danger:hover { border-color: var(--orange-2); color: var(--orange-3); }
.btn-ghost.active { border-color: var(--teal-3); color: var(--teal-3); background: rgba(61, 156, 142, 0.1); }

input, select {
  font-family: var(--font-display);
  font-size: 13px;
  background: var(--ink-0);
  color: var(--paper-0);
  border: 1px solid var(--ink-2);
  padding: 9px 10px;
}
input:focus, select:focus { outline: none; border-color: var(--teal-3); }
label.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-family: var(--font-display);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-3);
}

/* ---------------------------------------------------------------- verdict / status colour language */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  text-transform: uppercase;
  border: 1px solid currentColor;
}
.tag::before { content: ""; width: 6px; height: 6px; background: currentColor; }
.tag.go { color: var(--teal-3); }
.tag.pending { color: var(--amber-3); }
.tag.refuse { color: var(--orange-3); }
.tag.idle { color: var(--paper-3); }

/* ---------------------------------------------------------------- ink stamp (the REFUSE moment) */

.stamp-wrap { position: relative; }
.stamp {
  transform: rotate(-8deg) scale(0);
  opacity: 0;
  transform-origin: center;
}
.stamp.fire { animation: stamp-in 0.5s cubic-bezier(0.2, 1.5, 0.4, 1) forwards; }
@keyframes stamp-in {
  0% { opacity: 0; transform: rotate(-8deg) scale(2.4); }
  55% { opacity: 1; transform: rotate(-8deg) scale(0.85); }
  100% { opacity: 1; transform: rotate(-8deg) scale(1); }
}
.stamp circle, .stamp path, .stamp rect { fill: none; stroke-width: 3; }
.stamp text {
  font-family: var(--font-display);
  text-anchor: middle;
  letter-spacing: 0.04em;
}
.stamp.go circle, .stamp.go path { stroke: var(--teal-3); }
.stamp.go text { fill: var(--teal-3); }
.stamp.rewrite circle, .stamp.rewrite path { stroke: var(--amber-3); }
.stamp.rewrite text { fill: var(--amber-3); }
.stamp.refuse circle, .stamp.refuse path { stroke: var(--orange-2); }
.stamp.refuse text { fill: var(--orange-2); }
.stamp.idle circle, .stamp.idle path { stroke: var(--ink-3); }
.stamp.idle text { fill: var(--paper-3); }

/* ---------------------------------------------------------------- scrollbars (webkit) */

.scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll::-webkit-scrollbar-track { background: var(--ink-0); }
.scroll::-webkit-scrollbar-thumb { background: var(--ink-3); }

/* ---------------------------------------------------------------- misc */

.hint { font-family: var(--font-display); font-size: 10.5px; color: var(--ink-3); }
.readouts {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 11.5px;
  color: var(--paper-3);
}
.readouts b { display: block; color: var(--teal-3); font-size: 18px; margin-bottom: 2px; }

.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-3);
  border-bottom: 1px solid var(--ink-2);
  padding-bottom: 8px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}