/* Reading Together — calm, warm, accessible adult learn-to-read UI */

:root {
  --bg: #f6f1e7;          /* warm parchment */
  --surface: #fffdf8;     /* card */
  --ink: #2b2724;         /* warm near-black body text */
  --ink-soft: #5a544c;    /* secondary text */
  --line: #e4dccb;        /* borders */
  --accent: #2f6d5b;      /* calm teal-green */
  --accent-dark: #245446;
  --accent-soft: #e3efe9;
  --warm: #b5742f;        /* warm amber for highlight */
  --warm-soft: #f6e7cf;
  --danger: #8a4b3a;
  --focus: #1a4f8a;
  --radius: 18px;
  --radius-sm: 12px;
  --tap: 56px;
  --maxw: 720px;
  --shadow: 0 2px 4px rgba(60,50,30,.06), 0 8px 24px rgba(60,50,30,.07);
  --font-body: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --font-ui: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

/* Dyslexia-friendly font (no external fetch) */
body[data-font="dyslexia"] {
  --font-body: 'Atkinson Hyperlegible', 'Comic Sans MS', 'Trebuchet MS', sans-serif;
  --font-ui: 'Atkinson Hyperlegible', 'Comic Sans MS', 'Trebuchet MS', sans-serif;
  letter-spacing: .01em;
  word-spacing: .06em;
  line-height: 1.85;
}

/* High contrast mode */
body[data-contrast="high"] {
  --bg: #ffffff;
  --surface: #ffffff;
  --ink: #000000;
  --ink-soft: #1a1a1a;
  --line: #000000;
  --accent: #004534;
  --accent-dark: #00271d;
  --accent-soft: #ffffff;
  --warm-soft: #fff4dd;
  --shadow: none;
}
body[data-contrast="high"] .card,
body[data-contrast="high"] .big-btn,
body[data-contrast="high"] .primary-btn,
body[data-contrast="high"] .round-btn,
body[data-contrast="high"] .amount-btn,
body[data-contrast="high"] input { border-width: 2px; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

body { padding-bottom: 92px; } /* room for bottom nav */

/* Visible focus everywhere */
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  z-index: 100;
  border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* App bar */
.appbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.appbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
}
.brand-mark { color: var(--accent); display: block; }
.brand-name {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: .01em;
}
.appbar-actions { margin-left: auto; display: flex; gap: 8px; }

.icon-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: var(--tap);
  min-height: var(--tap);
  padding: 6px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--accent-dark);
  cursor: pointer;
  font-family: var(--font-ui);
}
.icon-btn:hover { background: var(--accent-soft); }
.icon-btn-label { font-size: .72rem; font-weight: 600; }

.audio-status {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
  min-height: 0;
  font-family: var(--font-ui);
  font-size: .8rem;
  color: var(--ink-soft);
}
.audio-status:not(:empty) { padding: 4px 16px 6px; }

/* Main + screens */
.main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 16px 28px;
}
.screen { animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px);} to {opacity:1; transform:none;} }
@media (prefers-reduced-motion: reduce) {
  .screen { animation: none; }
  * { scroll-behavior: auto !important; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
}
.card-center { text-align: center; }
.card + .card { margin-top: 18px; }

.display { font-size: 2.1rem; line-height: 1.2; margin: 0 0 14px; font-weight: 700; }
.display-sm { font-size: 1.5rem; line-height: 1.25; margin: 0 0 12px; font-weight: 700; }
.lead { font-size: 1.12rem; color: var(--ink); margin: 0 0 16px; }
.muted { color: var(--ink-soft); margin: 0 0 14px; }

/* Age gate */
.gate {
  margin-top: 22px;
  padding: 22px 16px;
  background: var(--warm-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.gate-h { font-family: var(--font-ui); font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); margin: 0 0 6px; }
.gate-q { font-size: 1.5rem; font-weight: 700; margin: 0 0 20px; }
.gate-buttons { display: grid; gap: 14px; }

.big-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 76px;
  padding: 16px 22px;
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: left;
}
.big-btn-yes { background: var(--accent); color: #fff; }
.big-btn-yes:hover { background: var(--accent-dark); }
.big-btn-no { background: var(--surface); color: var(--ink); border-color: var(--line); }
.big-btn-no:hover { background: var(--bg); }

/* Buttons */
.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  width: 100%;
  margin-top: 6px;
  padding: 14px 24px;
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
}
.primary-btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.primary-btn.slim { width: auto; align-self: flex-start; }

.text-btn {
  display: inline-block;
  margin: 14px auto 0;
  padding: 12px 16px;
  min-height: 48px;
  background: transparent;
  border: none;
  color: var(--accent-dark);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.row-btns { display: grid; gap: 12px; margin-top: 8px; }

.soft-msg {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--warm-soft);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 1rem;
}

/* Placement / passage reading */
.progress-rail {
  height: 10px;
  background: var(--line);
  border-radius: 99px;
  overflow: hidden;
  margin: 4px 0 22px;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 99px;
  transition: width .4s ease;
}

.passage {
  font-size: 1.55rem;
  line-height: 2.1;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.passage .pword {
  display: inline-block;
  padding: 1px 3px;
  border-radius: 6px;
  transition: background .15s ease, color .15s ease;
}
.passage .pword.active {
  background: var(--warm);
  color: #fff;
}
.passage .ptitle { display: block; font-weight: 700; margin-bottom: 10px; font-size: 1.1rem; color: var(--ink-soft); }

.reader-controls {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 8px 0 4px;
}
.round-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 120px;
  min-height: 120px;
  padding: 14px;
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-family: var(--font-ui);
  font-weight: 700;
  cursor: pointer;
}
.round-btn:hover { background: #d4e7df; }
.round-btn-label { font-size: .95rem; }
.round-btn-rec { border-color: var(--warm); background: var(--warm-soft); color: var(--danger); }
.round-btn-rec.recording { background: var(--danger); color: #fff; border-color: var(--danger); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .7; } }

.feedback {
  margin-top: 18px;
  padding: 18px;
  background: var(--accent-soft);
  border-radius: var(--radius);
}
.feedback .fb-row { display: flex; justify-content: space-between; padding: 4px 0; font-family: var(--font-ui); }
.feedback .fb-label { color: var(--ink-soft); }
.feedback .fb-value { font-weight: 700; }
.feedback .fb-encourage { margin-top: 10px; }

/* Session stages */
.session-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 18px; }
.time-indicator { font-family: var(--font-ui); text-align: right; }
.time-text { font-size: .95rem; color: var(--ink-soft); }
.stage-dots { display: flex; gap: 8px; margin-top: 8px; justify-content: flex-end; }
.stage-dots .dot { width: 14px; height: 14px; border-radius: 99px; background: var(--line); }
.stage-dots .dot.active { background: var(--accent); }
.stage-dots .dot.done { background: var(--accent-dark); }

.stage { animation: fade .25s ease; }
.stage-kicker {
  font-family: var(--font-ui);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 4px;
}
.lesson-say {
  font-size: 1.2rem;
  padding: 18px;
  background: var(--warm-soft);
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.examples { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.example-chip {
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 1.3rem;
  font-weight: 700;
}
.example-chip .sounds { display: block; font-size: .85rem; color: var(--ink-soft); font-weight: 400; margin-top: 2px; }

.choice-list { display: grid; gap: 12px; margin: 16px 0; }
.choice-btn {
  text-align: left;
  min-height: var(--tap);
  padding: 14px 18px;
  font-family: var(--font-ui);
  font-size: 1.1rem;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink);
}
.choice-btn:hover { border-color: var(--accent); }
.choice-btn.correct { background: var(--accent-soft); border-color: var(--accent); }
.choice-btn.wrong { background: var(--warm-soft); border-color: var(--warm); }

.prompt-big { font-size: 1.5rem; font-weight: 700; margin: 10px 0 18px; }

.celebrate { color: var(--warm); display: flex; justify-content: center; margin-bottom: 8px; }

/* Dashboard */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 18px 0 24px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
}
.stat-label { display: block; font-family: var(--font-ui); font-size: .85rem; color: var(--ink-soft); margin-bottom: 6px; }
.stat-value { display: block; font-size: 2.2rem; font-weight: 800; line-height: 1; }

.mirror {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 22px;
}
.trend { margin-top: 14px; }
.trend-label { display: block; font-family: var(--font-ui); font-size: .9rem; color: var(--ink-soft); margin-bottom: 6px; }
.sparkline { width: 100%; height: 56px; }
.sparkline svg { width: 100%; height: 100%; display: block; }

.next-step { border-top: 1px solid var(--line); padding-top: 18px; }

/* Donate */
.amount-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 20px 0;
}
.amount-btn {
  min-height: 64px;
  font-family: var(--font-ui);
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.amount-btn:hover { border-color: var(--accent); }
.amount-btn.selected { background: var(--accent-soft); border-color: var(--accent); }

.custom-amount { text-align: left; margin: 8px 0 18px; }
.custom-amount label { display: block; font-family: var(--font-ui); font-size: .95rem; color: var(--ink-soft); margin-bottom: 6px; }
.custom-row { display: flex; align-items: center; gap: 8px; }
.dollar { font-size: 1.4rem; font-weight: 800; }

input[type="number"], input[type="email"] {
  width: 100%;
  min-height: var(--tap);
  padding: 12px 14px;
  font-family: var(--font-ui);
  font-size: 1.2rem;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
}
input:focus { border-color: var(--accent); }

/* Settings */
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.setting-row.column { flex-direction: column; align-items: stretch; gap: 8px; }
.setting-text { display: flex; flex-direction: column; }
.setting-label { font-family: var(--font-ui); font-weight: 700; font-size: 1.05rem; }
.setting-help { font-family: var(--font-ui); font-size: .9rem; color: var(--ink-soft); }

.switch {
  position: relative;
  width: 64px;
  height: 38px;
  min-width: 64px;
  border-radius: 99px;
  border: 2px solid var(--line);
  background: var(--line);
  cursor: pointer;
  flex-shrink: 0;
}
.switch[aria-checked="true"] { background: var(--accent); border-color: var(--accent); }
.switch-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 28px;
  height: 28px;
  border-radius: 99px;
  background: #fff;
  transition: transform .2s ease;
}
.switch[aria-checked="true"] .switch-knob { transform: translateX(26px); }

/* Bottom nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 64px;
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--ink-soft);
  font-family: var(--font-ui);
  cursor: pointer;
}
.nav-btn.active { color: var(--accent-dark); }
.nav-label { font-size: .78rem; font-weight: 600; }

@media (min-width: 600px) {
  .gate-buttons { grid-template-columns: 1fr 1fr; }
  .row-btns { grid-template-columns: 1fr; }
}