/* ==========================================================================
   base.css — reset, type, shared atoms (buttons, chips, brackets, dots)
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 8px);
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.7 var(--f-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  transition: background-color .5s var(--ease-out), color .5s var(--ease-out);
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.1; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
button, input, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
kbd {
  font: 500 .85em/1 var(--f-mono);
  padding: .2em .45em;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 3px;
}
code { font-family: var(--f-mono); }

::selection { background: var(--amber); color: var(--navy); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

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

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip {
  position: fixed; left: 16px; top: 12px; z-index: 200;
  padding: 10px 16px;
  background: var(--amber); color: var(--navy);
  font: 500 13px/1 var(--f-mono); text-decoration: none;
  transform: translateY(-160%);
  transition: transform .2s;
}
.skip:focus { transform: none; }

.svg-lib { position: absolute; width: 0; height: 0; overflow: hidden; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- icons ---------- */
.ico {
  width: 18px; height: 18px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- the amber dot (logo full stop) ---------- */
.brand-dot {
  display: inline-block;
  width: .17em; height: .17em;
  margin-left: .05em;
  border-radius: 50%;
  background: var(--amber);
  vertical-align: baseline;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px;
  border: 1px solid var(--line-strong);
  font: 500 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
  color: var(--ink); background: transparent;
  transition: background-color .25s, color .25s, border-color .25s, transform .35s var(--ease-out);
}
.btn .ico { width: 16px; height: 16px; transition: transform .35s var(--ease-out); }
.btn:hover .ico { transform: translate(3px, 0); }
.btn:active { transform: translateY(1px); }
.btn-amber { background: var(--amber); border-color: var(--amber); color: var(--navy); }
.btn-amber:hover { background: var(--amber-hi); border-color: var(--amber-hi); }
.btn-line:hover { border-color: var(--accent); color: var(--accent-text); }

.iconbtn {
  display: inline-grid; place-items: center;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  color: var(--ink);
  transition: border-color .25s, color .25s, background-color .25s;
}
.iconbtn:hover { border-color: var(--accent); color: var(--accent-text); }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.chips li {
  font: 500 11px/1 var(--f-mono); letter-spacing: .03em;
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--ink-2);
}

/* ---------- detection brackets ----------
   .det draws four amber corners (::before) and a class-label tag from
   data-tag (::after). Locked by JS (.is-locked), hover or keyboard focus. */
.det { position: relative; }
.det::before {
  --c: var(--det);
  --l: var(--det-len, 18px);
  --t: var(--det-w, 2px);
  content: "";
  position: absolute; inset: var(--det-inset, -10px);
  z-index: 3; pointer-events: none;
  background:
    linear-gradient(var(--c) 0 0) 0 0 / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c) 0 0) 0 0 / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c) 0 0) 100% 0 / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c) 0 0) 100% 0 / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c) 0 0) 0 100% / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c) 0 0) 0 100% / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c) 0 0) 100% 100% / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c) 0 0) 100% 100% / var(--t) var(--l) no-repeat;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity .2s ease, transform .5s var(--ease-snap);
}
.det[data-tag]::after {
  content: attr(data-tag);
  position: absolute;
  left: var(--det-inset, -10px); top: var(--det-inset, -10px);
  z-index: 4; pointer-events: none;
  transform: translateY(-100%);
  padding: 4px 7px 3px;
  background: var(--amber); color: var(--navy);
  font: 500 10px/1.2 var(--f-mono); letter-spacing: .05em;
  white-space: nowrap;
  opacity: 0;
  transition: opacity .2s ease .15s;
}
.det.is-locked::before,
.det:hover::before,
.det:focus-within::before { opacity: 1; transform: none; }
.det.is-locked::after,
.det:hover::after,
.det:focus-within::after { opacity: 1; }

/* ---------- live / status dots ---------- */
.live-dot, .rec-dot, .status-dot, .award-dot {
  display: inline-block; flex: none;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
}
.live-dot, .rec-dot { animation: blink 1.6s steps(2, jump-none) infinite; }
@keyframes blink { 50% { opacity: .25; } }

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
}