/* ============================================================
   ASCII Cam - item styles
   Phone first: one column: start, picture, look.
   From 900px: the picture on the left, the look on the right.
   ============================================================ */

.ac {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding-block: 1.1rem 0;
}
.ac-col { display: contents; }

@media (min-width: 900px) {
  .ac {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: start;
    gap: 1.4rem;
    padding-top: 1.6rem;
  }
  .ac-col { display: flex; flex-direction: column; gap: 1.4rem; min-width: 0; }
}

.ac section { padding-block: 0; }
.ac h2 { font-size: 1.2rem; margin: 0 0 .8rem; }

/* ---- cards ---- */
.ac .ac-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.1rem 1.2rem;
  min-width: 0;
}
.ac-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .2rem 1rem;
  margin-bottom: .7rem;
}
.ac-head h2 { margin: 0; }
.ac-count { margin: 0; font-family: var(--font-mono); font-size: .85rem; color: var(--accent); }

.ac-hint {
  font-size: .85rem;
  color: var(--text-faint);
  margin: .2rem 0 .9rem;
  line-height: 1.45;
}
.ac-hint:empty { display: none; }

/* ============================================================
   1. START - the hero
   ============================================================ */
.ac .ac-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .3rem;
  padding: 1.6rem 1.1rem 1.2rem;
  border: 2px dashed var(--accent-line);
  border-radius: var(--radius);
  background: var(--accent-dim);
}
.ac-hero h2 { font-size: clamp(1.5rem, 6vw, 2.1rem); margin: 0; }
.ac-hero-sub { color: var(--text-dim); margin: 0 0 .7rem; }
.ac-hero.is-live { border-style: solid; }

.ac-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .6rem;
  width: 100%;
}
.ac-start {
  min-height: 56px;
  min-width: min(100%, 220px);
  font-size: 1.1rem;
  padding-inline: 1.6rem;
}
.ac-sample, .ac-flip { min-height: 56px; }
.ac-flip[hidden] { display: none; }

.ac-private { margin: .9rem 0 0; color: var(--text-dim); font-size: .92rem; }
.ac-private strong { color: var(--green); font-weight: 600; }
.ac-status { margin: .3rem 0 0; font-size: .9rem; color: var(--amber); max-width: 34rem; }
.ac-status:empty { display: none; }

/* The camera feed is only read, never shown. It stays in the
   page (some phones stop a video that isn't), just invisible. */
.ac-video {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 2px;
  opacity: 0;
  pointer-events: none;
}

/* ============================================================
   2. THE SCREEN
   ============================================================ */
.ac-view {
  position: relative;
  display: flex;
  justify-content: center;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: .9rem;
}
.ac-view canvas { display: block; max-width: 100%; }

/* The big 3-2-1. A button, so tapping it cancels. */
.ac-countdown {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  border: 0;
  padding: 0;
  background: rgba(7, 7, 12, .55);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}
.ac-countdown[hidden] { display: none; }
.ac-countdown-n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4rem, 22vw, 9rem);
  line-height: 1;
  color: var(--accent);
}
.ac-countdown-hint { font-size: .9rem; color: var(--text-dim); }
.ac-countdown:focus-visible { outline: 3px solid var(--cyan); outline-offset: -6px; }
/* A gentle pulse on each number, only for people who don't mind motion. */
.ac-countdown.is-pulsing .ac-countdown-n { animation: ac-pulse 1s ease-out; }
@keyframes ac-pulse {
  from { transform: scale(1.35); opacity: .4; }
  to   { transform: scale(1);    opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .ac-countdown.is-pulsing .ac-countdown-n { animation: none; }
}

.ac-snap { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: .2rem; }
.ac-snap .btn { min-height: var(--tap); flex: 1 1 10rem; }

.ac-fallback { margin-top: .4rem; }
.ac-fallback[hidden] { display: none; }
.ac-fallback label { display: block; font-size: .9rem; color: var(--amber); margin-bottom: .4rem; }
.ac-fallback textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: .6rem;
  line-height: 1.2;
  white-space: pre;
  overflow: auto;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line-field);
  border-radius: var(--radius-sm);
  padding: .5rem;
  margin-bottom: .6rem;
  resize: vertical;
}
.ac-fallback .btn { min-height: var(--tap); }

/* ============================================================
   3. SETTINGS
   ============================================================ */
.ac-fs { border: 0; margin: .4rem 0 .9rem; padding: 0; min-width: 0; }
.ac-fs legend {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 .45rem;
  padding: 0;
}

/* Big radio "pills". */
.ac-seg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-field);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.ac-seg-2x2 { grid-template-columns: repeat(2, 1fr); }
.ac-seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.ac-seg label {
  display: grid;
  place-items: center;
  min-height: var(--tap);
  padding: .2rem .3rem;
  text-align: center;
  line-height: 1.15;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  color: var(--text-dim);
  border-left: 1px solid var(--line-field);
  -webkit-user-select: none;
          user-select: none;
}
.ac-seg label:first-of-type { border-left: 0; }
.ac-seg-2x2 label:nth-of-type(3) { border-left: 0; }
.ac-seg-2x2 label:nth-of-type(n + 3) { border-top: 1px solid var(--line-field); }
.ac-seg label:hover { color: var(--text); background: var(--surface-2); }
.ac-seg input:checked + label { background: var(--accent); color: var(--bg); }
.ac-seg input:focus-visible + label { outline: 2px solid var(--cyan); outline-offset: -4px; border-radius: 6px; }

.ac-custom { margin: -.3rem 0 .6rem; }
.ac-custom[hidden] { display: none; }
.ac-custom input { font-family: var(--font-mono); }

/* A checkbox row with a big tap area. */
.ac-check {
  display: flex;
  align-items: center;
  gap: .6rem;
  min-height: var(--tap);
  cursor: pointer;
  color: var(--text);
  font-size: .95rem;
}
.ac-check input { width: 22px; height: 22px; accent-color: var(--accent); margin: 0; cursor: pointer; }

.ac-reset { min-height: var(--tap); margin-top: .3rem; }

/* ---- sliders with a fat, easy-to-grab thumb ---- */
.ac-range { margin: 0 0 .3rem; }
.ac-range label { display: flex; justify-content: space-between; align-items: baseline; }
.ac-range output {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
}
.ac .field input[type="range"] {
  -webkit-appearance: none;
          appearance: none;
  width: 100%;
  height: var(--tap);
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.ac .field input[type="range"]:focus { background: transparent; }
.ac .field input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: var(--line-bright); }
.ac .field input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--line-bright); }
.ac .field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px; height: 28px; margin-top: -11px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
}
.ac .field input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
}
.ac .field input[type="range"]:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }