/* Theme: "Arcade pop", always light (ADR 0007). Bold ink borders, hard offset shadows. */
:root {
  color-scheme: light;
  --color-bg: #d4f1ff;
  --color-dots: #a9dcf5;
  --color-ink: #141414;
  --color-text: var(--color-ink);
  --color-card: #ffe94d;
  --color-surface: #ffffff;
  --color-pop-yellow: #ffd500;
  --color-pop-pink: #ff4f9a;
  --color-start: #00d68f;
  --color-pause: var(--color-pop-pink);
  --color-decimal: #c2005a;
  --color-accent: var(--color-start);
  --color-on-accent: var(--color-ink);
  --color-focus: #1f5fbf;
  --border: 3px solid var(--color-ink);
  --radius: 0.5rem;
}

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  padding: calc(env(safe-area-inset-top) + 1rem) calc(env(safe-area-inset-right) + 1.25rem)
    calc(env(safe-area-inset-bottom) + 1rem) calc(env(safe-area-inset-left) + 1.25rem);
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  line-height: 1.4;
  background: var(--color-bg) radial-gradient(var(--color-dots) 1.3px, transparent 1.4px) 0 0 / 18px
    18px;
  color: var(--color-text);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.app {
  display: flex;
  flex-direction: column;
  max-width: 28rem;
  margin: 0 auto;
  min-height: calc(100dvh - 2rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
}

.app-title {
  margin: 0.5rem 0 0;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-shadow:
    0.09em 0.09em 0 var(--color-pop-yellow),
    0.18em 0.18em 0 var(--color-pop-pink);
}

/* Total */
.timer {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.25rem;
  text-align: center;
}

.timer-card {
  width: 100%;
  padding: 1.75rem 1rem 1.5rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-card);
  box-shadow: 8px 8px 0 var(--color-pop-pink);
}

.timer-label {
  display: inline-block;
  margin: 0;
  padding: 0.3rem 0.6rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--color-ink);
  color: var(--color-card);
}

.total {
  margin: 0.75rem 0 0.25rem;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  /* Sized for SF Mono on iPhone (about 0.6 em per digit): "1000:00:00" fits at 320 px. */
  font-size: clamp(2.25rem, 11.5vw, 4rem);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  overflow-wrap: anywhere;
  text-shadow: 2px 2px 0 var(--color-surface);
}

.total-decimal {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-decimal);
}

.not-found-text {
  margin: 1rem 0 0;
  font-size: 1.125rem;
  font-weight: 700;
}

/* Main button: large, reachable with the thumb, pressed in when touched */
.main-button {
  width: 100%;
  min-height: 4.75rem;
  padding: 1rem 1.5rem;
  border: var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 1.625rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-start);
  color: var(--color-ink);
  box-shadow: 6px 6px 0 var(--color-ink);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition:
    transform 0.08s,
    box-shadow 0.08s;
}

.main-button[data-state='running'] {
  background: var(--color-pause);
}

/* The same button as a link, on the 404 page */
a.main-button {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

/* Offset beyond the 6 px shadow, so the ring always sits on the sky background. */
.main-button:focus-visible {
  outline: 4px solid var(--color-focus);
  outline-offset: 9px;
}

.main-button:active {
  transform: translate(6px, 6px);
  box-shadow: 0 0 0 var(--color-ink);
}

.main-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Status chip, with a dot that blinks while the timer runs */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 100%;
  min-height: 2.5rem;
  margin: 0;
  padding: 0.5rem 0.9rem;
  border: 2px solid var(--color-ink);
  /* Not a full pill: a long status (start on another day) may wrap over two lines. */
  border-radius: 1.25rem;
  text-align: left;
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-surface);
}

.status::before {
  content: '';
  flex: none;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--color-ink);
}

.main-button[data-state='running'] ~ .status::before {
  background: var(--color-start);
  box-shadow: 0 0 0 2px var(--color-ink);
  animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
  50% {
    opacity: 0.3;
  }
}

/* Notices: the alert region stays in the page, hidden while empty */
.notice:empty {
  display: none;
}

.notice {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 4px 4px 0 var(--color-pop-yellow);
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
  .main-button {
    transition: none;
  }

  .main-button:active {
    transform: none;
    box-shadow: 6px 6px 0 var(--color-ink);
  }

  .main-button[data-state='running'] ~ .status::before {
    animation: none;
  }
}

/* Share trial page (essai-partage.html), removed with it at step 3 */
.trial {
  gap: 0.75rem;
}

.trial .app-title {
  font-size: 1.5rem;
}

.trial h2 {
  margin: 1rem 0 0;
  font-size: 1.125rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.trial-capabilities {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.25rem 1rem;
  margin: 0;
  padding: 0.75rem 1rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.trial-capabilities dd {
  margin: 0;
  font-weight: 800;
}

.trial-actions {
  display: grid;
  gap: 0.75rem;
}

.trial-button {
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border: var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 800;
  background: var(--color-accent);
  color: var(--color-on-accent);
  box-shadow: 4px 4px 0 var(--color-ink);
  touch-action: manipulation;
}

.trial-button:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--color-ink);
}

.trial-button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 7px;
}

.trial-file-input {
  font: inherit;
}

.trial-file-input::file-selector-button {
  min-height: 2.75rem;
  margin-right: 0.75rem;
  padding: 0.5rem 1rem;
  border: var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 800;
  background: var(--color-card);
  color: var(--color-ink);
}

.trial-file-input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.trial-file {
  margin: 0;
  padding: 0.75rem;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius);
  background: var(--color-surface);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.875rem;
}

.trial-file:empty {
  display: none;
}

.trial-log {
  margin: 0;
  padding-left: 1.25rem;
}

@media (prefers-reduced-motion: reduce) {
  .trial-button:active {
    transform: none;
    box-shadow: 4px 4px 0 var(--color-ink);
  }
}