:root {
  --bg: #f4efe6;
  --bg-2: #ebe3d5;
  --ink: #2c2a26;
  --ink-soft: #6d665b;
  --accent: #8a6f4e;
  --track: rgba(44, 42, 38, 0.12);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --bg-2: #1e2128;
    --ink: #e9e4da;
    --ink-soft: #9a9488;
    --accent: #c9a77c;
    --track: rgba(233, 228, 218, 0.12);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

body {
  background: radial-gradient(ellipse at 50% 40%, var(--bg-2), var(--bg) 70%) fixed;
}

main {
  position: relative;
  height: 100%;
  min-height: 100dvh;
  overflow: hidden;
}

/* Screens: only the one matching data-state is shown */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: max(24px, env(safe-area-inset-top)) 24px max(24px, env(safe-area-inset-bottom));
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0s linear 0.8s;
}

main[data-state="intro"] .intro,
main[data-state="session"] .session,
main[data-state="outro"] .outro {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s ease, visibility 0s;
}

.intro, .outro { gap: 4px; }
.intro p, .outro p { max-width: 34ch; line-height: 1.55; color: var(--ink-soft); margin: 0 0 12px; }

h1, h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
}
h1 { font-size: clamp(2.6rem, 10vw, 3.6rem); }
h2 { font-size: clamp(2rem, 8vw, 2.8rem); }

.lede {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink) !important;
}

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  border-radius: 999px;
  min-height: 48px;
  padding: 12px 32px;
}
button.primary {
  margin-top: 20px;
  background: var(--accent);
  color: var(--bg);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}
button.quiet {
  background: transparent;
  color: var(--ink-soft);
}
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.actions { display: flex; flex-direction: column; align-items: center; gap: 4px; }

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.toggle input { width: 20px; height: 20px; accent-color: var(--accent); }

/* Timer */
.timer {
  position: relative;
  width: min(52vw, 220px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  z-index: 1;
}
.timer svg {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
}
.timer circle { fill: none; stroke-width: 3; }
.timer .track { stroke: var(--track); }
.timer .ring {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 339.292;
  stroke-dashoffset: 0;
}
.time {
  font-family: var(--serif);
  font-size: clamp(2rem, 9vw, 2.6rem);
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}

/* Floating questions */
.field {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.question {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: max-content;
  max-width: min(78vw, 360px);
  transform: translate(-50%, -50%);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 5.4vw, 1.6rem);
  line-height: 1.35;
  text-align: center;
  color: var(--ink);
  text-wrap: balance;
  opacity: 0;
  animation:
    fade var(--life) ease-in-out forwards,
    drift var(--life) ease-in-out forwards;
}

@keyframes fade {
  0%   { opacity: 0; filter: blur(4px); }
  18%  { opacity: 1; filter: blur(0); }
  78%  { opacity: 1; filter: blur(0); }
  100% { opacity: 0; filter: blur(3px); }
}

@keyframes drift {
  from { transform: translate(-50%, -50%) translate(0, 0); }
  to   { transform: translate(-50%, -50%) translate(var(--dx), var(--dy)); }
}

@media (prefers-reduced-motion: reduce) {
  .question { animation: fade var(--life) linear forwards; }
  .screen { transition: none; }
}