/* WorkChat — landscape-first, question fills the screen. */
:root {
  --bg: #111;
  --fg: #fff;
  --btn-bg: #111;
  --btn-fg: #fff;
  --safe-t: max(0.45rem, env(safe-area-inset-top));
  --safe-b: max(0.45rem, env(safe-area-inset-bottom));
  --safe-l: max(0.55rem, env(safe-area-inset-left));
  --safe-r: max(0.55rem, env(safe-area-inset-right));
}

html, body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  touch-action: manipulation;
}

body { min-height: 100dvh; }

.app {
  position: relative;
  box-sizing: border-box;
  min-height: 100dvh;
  height: 100dvh;
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  transition: background-color 180ms ease, color 180ms ease;
  user-select: none;
  -webkit-user-select: none;
}

.stage {
  position: absolute;
  inset: var(--safe-t) var(--safe-r) var(--safe-b) var(--safe-l);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease, filter 220ms ease;
}

.app.show-liner .liner-stage,
.app.show-question .question-stage {
  opacity: 1;
  visibility: visible;
}

.app.show-question.awake .question-stage,
.app.show-liner.awake .liner-stage {
  opacity: 0.25;
  filter: blur(1.5px);
}

.fit {
  margin: 0;
  width: 100%;
  max-height: 100%;
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.05em;
  text-align: center;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
  font-size: 12px;
}

.liner-stage .fit {
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.shake-progress {
  position: absolute;
  top: calc(var(--safe-t) + 0.45rem);
  left: 50%;
  transform: translateX(-50%);
  width: 2.15rem;
  height: 2.15rem;
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.shake-progress.on { opacity: 0.75; }

.shake-progress svg {
  display: block;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.shake-progress .track {
  stroke: color-mix(in srgb, var(--fg) 28%, transparent);
}

.shake-progress .bar {
  stroke: var(--fg);
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: calc(100 - (var(--p, 0) * 100));
}

.rotate {
  display: none;
  position: absolute;
  top: var(--safe-t);
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  margin: 0.35rem 0 0;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--fg) 16%, transparent);
  color: var(--fg);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  pointer-events: none;
  opacity: 0.72;
  white-space: nowrap;
}

@media (orientation: portrait) {
  .rotate { display: block; }
}

.app.awake .rotate { opacity: 0; }

.chrome {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 200ms ease, visibility 200ms ease;
}

.app.awake .chrome {
  opacity: 1;
  visibility: visible;
  pointer-events: none;
}

.top,
.dock {
  pointer-events: auto;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: calc(var(--safe-t) + 0.3rem) calc(var(--safe-r) + 0.55rem) 0.45rem calc(var(--safe-l) + 0.55rem);
  background: linear-gradient(to bottom, color-mix(in srgb, var(--bg) 88%, transparent), transparent);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  min-width: 0;
}

.wordmark {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: clamp(0.95rem, 2.2vw, 1.3rem);
  opacity: 0.9;
}

.tools {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.text-btn,
.icon-btn,
.next {
  font: inherit;
  color: inherit;
  background: color-mix(in srgb, var(--fg) 16%, transparent);
  border: 0.14rem solid color-mix(in srgb, var(--fg) 55%, transparent);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.text-btn {
  font-weight: 800;
  font-size: 1rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 0.7rem;
  padding: 0;
}

.hide-btn {
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-color: var(--btn-bg);
  min-height: 2.7rem;
  padding: 0.42rem 0.95rem;
}

.text-btn:active,
.icon-btn:active,
.next:active {
  transform: scale(0.98);
}

.daily {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  opacity: 0.8;
  white-space: nowrap;
}

.dock {
  margin-top: auto;
  padding: 0.35rem calc(var(--safe-r) + 0.55rem) calc(0.45rem + var(--safe-b));
  display: grid;
  gap: 0.35rem;
  flex: none;
  background: linear-gradient(to top, color-mix(in srgb, var(--bg) 92%, transparent), transparent);
}

.next {
  width: 100%;
  min-height: 3.2rem;
  height: 3.2rem;
  border-radius: 1rem;
  border: 0;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 900;
  font-size: clamp(1.15rem, 3.2vw, 1.8rem);
  letter-spacing: -0.03em;
}

.hint {
  margin: 0;
  text-align: center;
  font-weight: 650;
  font-size: 0.9rem;
  opacity: 0.84;
  min-height: 1.2em;
}

.noscript {
  padding: 2rem 1.2rem;
  font-size: 1.2rem;
  background: #ffd000;
  color: #111;
  min-height: 100dvh;
  box-sizing: border-box;
}

@media (orientation: landscape) and (max-height: 430px) {
  .next { min-height: 2.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  .app, .stage, .chrome, .shake-progress { transition: none; }
  .app.show-question.awake .question-stage,
  .app.show-liner.awake .liner-stage {
    filter: none;
  }
}