:root {
  --bg: #f6f3ec;
  --surface: #fffdf8;
  --surface-2: #f0ebe0;
  --ink: #1d2420;
  --ink-soft: #5b645e;
  --ink-faint: #9aa29c;
  --line: #e1d9c8;
  --brand: #0f5e4f;
  --brand-ink: #ffffff;
  --brand-soft: #dcefe8;
  --current: #fbe7a6;
  --good: #1f7a4d;
  --good-soft: #e1f3e8;
  --bad: #b3261e;
  --bad-soft: #fbe3e0;
  --warn: #9a6200;
  --warn-soft: #fbefd5;
  --check: #4b6a8a;
  --check-soft: #e3ebf3;
  --focus: #1b6fd1;
  --shadow: 0 1px 2px rgb(30 40 30 / 6%), 0 8px 24px rgb(30 40 30 / 6%);
  --quran: "Amiri Quran", "Amiri", "Noto Naskh Arabic", serif;
  --ui: "IBM Plex Sans Arabic", "Inter", system-ui, sans-serif;
  --qscale: 1;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121614; --surface: #1a201d; --surface-2: #232b27; --ink: #eef1ec; --ink-soft: #a7b0aa; --ink-faint: #6d766f;
    --line: #2f3833; --brand: #3fb894; --brand-ink: #08130f; --brand-soft: #173a30; --current: #5c4b12;
    --good: #5fcf94; --good-soft: #163626; --bad: #ff8a80; --bad-soft: #3d1c1a; --warn: #f0b85a; --warn-soft: #3a2c12;
    --check: #9dbbe0; --check-soft: #1f2c3b; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121614; --surface: #1a201d; --surface-2: #232b27; --ink: #eef1ec; --ink-soft: #a7b0aa; --ink-faint: #6d766f;
  --line: #2f3833; --brand: #3fb894; --brand-ink: #08130f; --brand-soft: #173a30; --current: #5c4b12;
  --good: #5fcf94; --good-soft: #163626; --bad: #ff8a80; --bad-soft: #3d1c1a; --warn: #f0b85a; --warn-soft: #3a2c12;
  --check: #9dbbe0; --check-soft: #1f2c3b; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html[lang="en"] { --ui: "Inter", "IBM Plex Sans Arabic", system-ui, sans-serif; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.7 var(--ui); }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
body[data-mode="correct"] .mem-only, body[data-mode="memorize"] .cor-only { display: none !important; }
body[data-mode="learn"] .mem-only, body[data-mode="learn"] .not-learn, body:not([data-mode="learn"]) .learn-only { display: none !important; }

.shell {
  max-width: 860px; margin: 0 auto; display: grid; gap: 16px;
  padding: max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; }
.mark { width: 36px; height: 36px; color: var(--brand); flex: none; }
.brand h1 { margin: 0; font-size: 1.35rem; line-height: 1.2; }
.brand p { margin: 0; color: var(--ink-soft); font-size: .9rem; }
.top-tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tabs { display: inline-flex; background: var(--surface-2); border-radius: 999px; padding: 3px; }
.tab { border: 0; background: transparent; padding: 5px 14px; border-radius: 999px; cursor: pointer; font-weight: 600; color: var(--ink-soft); }
.tab[aria-selected="true"] { background: var(--surface); color: var(--brand); box-shadow: var(--shadow); }
.lang, .icon-btn { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 4px 12px; cursor: pointer; font-size: .88rem; }
.icon-btn { min-width: 34px; padding: 4px 8px; }
.service { display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--ink-soft);
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; }
.service .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-soft); }
.service[data-state="ready"] .dot { background: var(--good); }
.service[data-state="down"] .dot { background: var(--bad); }

/* onboarding */
.onboard { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 24px 20px; box-shadow: var(--shadow); display: grid; gap: 18px; }
.onboard h2 { margin: 0; font-size: 1.5rem; }
.onboard .lead { margin: -8px 0 0; color: var(--ink-soft); }
.field { display: grid; gap: 8px; }
.field-label { font-weight: 600; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { border: 1.5px solid var(--line); background: var(--surface); border-radius: 999px; padding: 6px 16px; cursor: pointer; }
.choice[aria-pressed="true"] { border-color: var(--brand); background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.modes { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; }
.mode-card { text-align: start; display: grid; gap: 4px; align-content: start; padding: 14px; border-radius: 14px; border: 1.5px solid var(--line);
  background: var(--surface); cursor: pointer; color: var(--ink-soft); font-size: .9rem; }
.mode-card strong { color: var(--ink); font-size: 1.1rem; }
.mode-card[aria-pressed="true"] { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.mode-card .rec { font-size: .75rem; font-weight: 700; color: var(--brand); visibility: hidden; }
.mode-card.recommended .rec { visibility: visible; }
.btn.big { justify-self: start; padding: 10px 28px; font-size: 1.05rem; }
.privacy { margin: -6px 0 0; color: var(--ink-soft); font-size: .85rem; }

/* stage */
.stage { display: grid; gap: 16px; }
.steps { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.step { width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--line); background: var(--surface); cursor: pointer;
  font-weight: 600; display: grid; place-items: center; transition: background .2s, border-color .2s; }
.step:disabled { cursor: default; }
.step[aria-current="step"] { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.step[data-result="correct"] { background: var(--good-soft); border-color: var(--good); color: var(--good); }
.step[data-result="error"], .step[data-result="identity"] { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }
.step[data-result="uncertain"] { background: var(--check-soft); border-color: var(--check); color: var(--check); }
.step[data-result="review"] { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: var(--shadow); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.card-tools { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.font-size { display: inline-flex; gap: 4px; }
.ayah-label { font-weight: 600; color: var(--brand); }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--ink-soft); cursor: pointer; }
.toggle input { width: 18px; height: 18px; accent-color: var(--brand); }

/* Quran text */
.surah, .focus-ayah { margin: 0; font-family: var(--quran); direction: rtl; }
.surah { font-size: calc(clamp(1.5rem, 5vw, 2.1rem) * var(--qscale)); line-height: 2.4; text-align: justify; text-align-last: center; }
.focus { display: grid; gap: 8px; justify-items: center; text-align: center; padding: 8px 0; }
.focus-ayah { font-size: calc(clamp(2rem, 7.5vw, 3.1rem) * var(--qscale)); line-height: 2.3; text-align: center; }
.translit { margin: 0; color: var(--ink-soft); font-style: italic; font-family: "Inter", var(--ui); }
.translation { margin: 0; color: var(--ink); max-width: 620px; }
.attempts { margin: 0; font-size: .85rem; color: var(--warn); font-weight: 600; }
/* learn mode */
.learn { display: grid; gap: 10px; justify-items: center; text-align: center; padding: 4px 0 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chip { display: grid; justify-items: center; align-content: center; min-width: 64px; padding: 4px 10px 6px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--surface); cursor: pointer; transition: background .2s, border-color .2s; }
.chip:disabled { cursor: default; }
.chip-ar { font-family: var(--quran); font-size: calc(1.4rem * var(--qscale)); line-height: 2.4; }
.chip-tr { font: italic .76rem/1.3 "Inter", var(--ui); color: var(--ink-soft); direction: ltr; padding-top: 4px; }
.chip.whole { font-weight: 600; font-size: .88rem; color: var(--brand); min-height: 58px; }
.chip[aria-current="step"] { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.chip.playing { background: var(--current); border-color: var(--warn); }
.chip[data-result="correct"] { background: var(--good-soft); border-color: var(--good); }
.chip[data-result="correct"] .chip-ar { color: var(--good); }
.chip[data-result="review"], .chip[data-result="error"], .chip[data-result="identity"] { background: var(--warn-soft); border-color: var(--warn); }
.chip[data-result="uncertain"] { background: var(--check-soft); border-color: var(--check); }
.learn-word { margin: 6px 0 0; font-family: var(--quran); font-size: calc(clamp(3rem, 15vw, 5.2rem) * var(--qscale)); line-height: 2.2;
  transition: color .2s; }
.learn-word[data-result="correct"] { color: var(--good); }
.learn-word .ch-err::after { width: .12em; height: .12em; bottom: .12em; }
.learn.full .learn-word { font-size: calc(clamp(2rem, 7.5vw, 3.1rem) * var(--qscale)); line-height: 2.3; }
.learn-translit { font-size: 1.2rem; margin-top: 8px; }
.learn.full .learn-translit { font-size: 1rem; }
.gloss { margin: 0; font-weight: 600; font-size: 1.05rem; }
.learn-note { margin: 0; font-size: .88rem; color: var(--ink-soft); max-width: 520px; }
.learn-notes { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 8px; width: 100%; max-width: 560px; text-align: start; }
.learn-notes li { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; padding: 8px 10px; border-radius: 10px; background: var(--surface-2); }
.learn-notes li > span:first-child { flex: 1 1 220px; }
.learn-notes li.soft { color: var(--check); }
.ayah-block { border-radius: 10px; padding: 2px 4px; transition: background .25s; }
.ayah-block.active { background: var(--brand-soft); }
.ayah-block[data-result="identity"] { background: var(--warn-soft); }
.w { border-radius: 8px; padding: 0 .08em; color: var(--ink-soft); transition: background .15s, color .15s; }
.focus .w { color: var(--ink); }
.w.read { color: var(--good); }
.w.current { background: var(--current); color: var(--ink); }
.w.live-missing { text-decoration: underline wavy var(--bad); text-underline-offset: .35em; }
.w.live-sub { text-decoration: underline wavy var(--warn); text-underline-offset: .35em; }
.ayah-block[data-result] .w.read { color: var(--ink); }
.ayah-block[data-result="correct"] .w { color: var(--good); }
.w.err-missing { color: var(--bad) !important; text-decoration: line-through 2px; background: var(--bad-soft); }
.w.err-mis { background: var(--warn-soft); }
.w.hint { color: var(--check) !important; background: var(--check-soft) !important; }
.ch-err { color: var(--bad); position: relative; }
.ch-err::after { content: ""; position: absolute; inset-inline-start: 50%; bottom: -.1em; width: .3em; height: .3em;
  border-radius: 50%; background: var(--bad); transform: translateX(50%); }
.ch-err.diacritic { color: var(--warn); }
.ch-err.diacritic::after { background: var(--warn); }
.ch-err.soft { color: inherit; }
.ch-err.soft::after { background: var(--check); opacity: .8; }
.has-note { cursor: pointer; }
.has-note:hover { outline: 1px dashed currentColor; outline-offset: 2px; }
.extra { font-family: var(--ui); font-size: .5em; font-weight: 700; color: var(--bad); background: var(--bad-soft);
  border-radius: 999px; padding: 0 .5em; margin-inline: .15em; vertical-align: super; }
.hide-text .w:not(.read):not(.current):not(.hint) {
  color: transparent !important; text-decoration: none;
  background: linear-gradient(var(--line), var(--line)) center 68% / 100% .14em no-repeat;
}
.hide-text .w:not(.read):not(.current):not(.hint) .ch-err { color: transparent; }

.seal { font: 600 .5em/1 var(--ui); color: var(--brand); width: 2.1em; height: 2.1em; border-radius: 50%; border: 2px solid currentColor;
  background: transparent; display: inline-grid; place-items: center; vertical-align: middle; margin-inline: .2em; padding: 0; cursor: pointer;
  transition: background .3s, color .3s, border-color .3s; }
.seal.sealing { animation: seal 600ms ease-out; background: var(--brand); color: var(--brand-ink); }
@keyframes seal {
  0% { transform: scale(.85); background: transparent; color: var(--brand); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); background: var(--brand); color: var(--brand-ink); }
}
.seal[data-result="correct"] { background: var(--good); border-color: var(--good); color: #fff; }
.seal[data-result="error"], .seal[data-result="identity"] { border-color: var(--bad); color: var(--bad); background: var(--bad-soft); }
.seal[data-result="uncertain"] { border-color: var(--check); color: var(--check); background: var(--check-soft); }
.seal[data-result="review"] { border-color: var(--warn); color: var(--warn); background: var(--warn-soft); }
.seal-badge { font: 700 .4em/1 var(--ui); color: #fff; background: var(--bad); border-radius: 999px; padding: .25em .5em;
  vertical-align: super; margin-inline-start: -.45em; }
.seal-badge.soft { background: var(--check); }

.live-hint { margin: 10px 0 0; padding: 8px 12px; border-radius: 10px; background: var(--warn-soft); color: var(--warn); font-weight: 600; text-align: center; }
.explain { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); }
.explain-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.explain ul { margin: 6px 0 8px; padding: 0; list-style: none; display: grid; gap: 8px; }
.explain li { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; padding: 8px 10px; border-radius: 10px; background: var(--surface); }
.explain li > span:first-child { flex: 1 1 220px; }
.explain li.soft { color: var(--check); }
.tip { flex-basis: 100%; font-size: .88rem; color: var(--ink-soft); }
.vote { display: inline-flex; gap: 4px; }
.vote-btn { border: 1px solid var(--line); background: transparent; border-radius: 999px; padding: 0 8px; cursor: pointer; font-size: .9rem; line-height: 1.8; }
.vote-btn[aria-pressed="true"] { background: var(--brand-soft); border-color: var(--brand); }
.close { border: 0; background: transparent; color: var(--ink-soft); font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 0 4px; }

/* controls */
.controls { display: grid; justify-items: center; gap: 10px; }
.control-row { display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap; }
.control-row.secondary { gap: 14px; }
.speed { display: inline-flex; align-items: center; gap: 6px; font-size: .88rem; color: var(--ink-soft); }
.speed select { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 2px 6px; }
.btn { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 8px 16px; font-weight: 600; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px; }
.btn svg { width: 20px; height: 20px; fill: currentColor; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.small { padding: 4px 12px; font-size: .85rem; }
.btn.listen { min-height: 56px; padding: 0 20px; }
.mic { position: relative; display: inline-flex; align-items: center; gap: 10px; min-height: 56px; padding: 0 26px 0 22px; border: 0; border-radius: 999px;
  background: var(--brand); color: var(--brand-ink); font-weight: 700; font-size: 1.05rem; cursor: pointer; box-shadow: var(--shadow); }
.mic .icon { width: 24px; height: 24px; fill: currentColor; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.mic .icon-mic rect { stroke: none; }
.mic .icon-stop, .mic .spinner { display: none; }
.mic[data-state="listening"] { background: var(--bad); color: #fff; }
.mic[data-state="listening"] .icon-mic { display: none; }
.mic[data-state="listening"] .icon-stop { display: block; }
.mic[data-state="busy"] { cursor: progress; opacity: .85; }
.mic.nudge { animation: nudge 1.1s ease-in-out 3; }
@keyframes nudge { 50% { transform: scale(1.06); box-shadow: 0 0 0 8px var(--brand-soft); } }
.mic[data-state="busy"] .icon { display: none; }
.mic[data-state="busy"] .spinner { display: block; }
.ring { position: absolute; inset: -6px; border-radius: 999px; border: 3px solid var(--bad); opacity: 0; pointer-events: none; }
.mic[data-state="listening"] .ring { opacity: .45; transition: transform .08s linear; }
.spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid currentColor; border-inline-start-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.status { margin: 0; text-align: center; color: var(--ink-soft); min-height: 1.7em; max-width: 560px; }
.status.error { color: var(--bad); font-weight: 600; }

/* summary */
.result { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: var(--shadow); }
.result-head { display: flex; gap: 12px; align-items: flex-start; }
.result-icon { flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem; font-weight: 700; }
.result[data-tone="good"] .result-icon { background: var(--good-soft); color: var(--good); }
.result[data-tone="bad"] .result-icon { background: var(--bad-soft); color: var(--bad); }
.result h2 { margin: 0; font-size: 1.15rem; }
.result-head p { margin: 2px 0 0; color: var(--ink-soft); }
.findings { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.finding { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: 12px; background: var(--surface-2); flex-wrap: wrap; }
.finding .what { display: grid; gap: 2px; }
.finding .detail { color: var(--ink-soft); font-size: .92rem; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.foot { display: grid; gap: 8px; color: var(--ink-soft); font-size: .85rem; text-align: center; justify-items: center; }
.foot p { margin: 0; }
.credits { font-size: .78rem; color: var(--ink-faint); }
.prefs { display: flex; gap: 8px 18px; flex-wrap: wrap; justify-content: center; }
.linkish { border: 0; background: none; color: var(--brand); text-decoration: underline; cursor: pointer; padding: 0; }

@media (max-width: 560px) {
  .shell { gap: 12px; }
  .top { justify-content: center; }
  .top-tools { justify-content: center; }
  .step { width: 36px; height: 36px; }
  .chip { min-width: 56px; padding: 2px 8px 4px; }
  .tab { padding: 5px 11px; }
  .card, .result, .onboard { padding: 14px 12px; border-radius: 14px; }
  .mic, .btn.listen { flex: 1 1 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation-duration: 0s !important; }
}