:root {
  --bg: #ffffff;
  --surface: #f6f4ee;
  --text: #1e2a24;
  --muted: #5a6a61;
  --accent: #1f6f4a;
  --accent-soft: #e3f0e8;
  --card-border: #ddd8cc;
  --why-bg: #fdf6e3;
  --why-border: #c9a227;
  --chip-bg: #eef3f0;
  --radius: 10px;
  --max-width: 44rem;
  --arabic-font: "Scheherazade New", "Traditional Arabic", serif;
  --text-font: "Sarabun", system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121614;
    --surface: #1b211e;
    --text: #e8ece7;
    --muted: #a8b5ac;
    --accent: #7cc9a1;
    --accent-soft: #1d2f26;
    --card-border: #2e3a34;
    --why-bg: #241f10;
    --why-border: #c9a227;
    --chip-bg: #222b27;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--text-font);
  line-height: 1.7;
}

#app {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

h1 {
  font-size: 1.6rem;
  line-height: 1.4;
  margin: 0.5rem 0;
}

h2 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.5rem;
}

p {
  margin: 0.5rem 0;
}

.tagline {
  color: var(--muted);
  margin-top: 0;
}

/* List */
.cards {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.card {
  display: block;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
}

.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.card-arabic {
  font-family: var(--arabic-font);
  font-size: 1.6rem;
  line-height: 2;
}

.card-name {
  font-weight: 700;
}

.card-meaning {
  color: var(--muted);
}

.card-meta {
  font-size: 0.9rem;
  color: var(--muted);
}

.card-theme {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Surah page */
.surah-header {
  text-align: center;
  padding: 1rem 0;
}

.surah-arabic {
  font-family: var(--arabic-font);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.8;
}

.surah-name {
  font-weight: 700;
  font-size: 1.2rem;
}

.surah-meaning {
  color: var(--muted);
}

.surah-meta {
  font-size: 0.9rem;
  color: var(--muted);
}

.why-card {
  background: var(--why-bg);
  border: 1px solid var(--why-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}

.why-card h2 {
  margin-top: 0.75rem;
  color: var(--accent);
}

.why-theme {
  font-weight: 600;
  margin-top: 0;
}

.verse {
  padding: 1rem 0;
  border-top: 1px solid var(--card-border);
}

.verse-badge {
  display: inline-block;
  min-width: 1.8rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}

.verse-arabic {
  font-family: var(--arabic-font);
  font-size: 1.8rem;
  line-height: 2.1;
  margin: 0.5rem 0;
}

.word-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0;
}

.word-chip {
  font-family: inherit;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  padding: 0.3rem 0.55rem;
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: inherit;
  cursor: pointer;
  max-width: 100%;
}

.word-chip[aria-pressed="true"] {
  border-color: var(--accent);
}

.word-ar {
  font-family: var(--arabic-font);
  font-size: 1.3rem;
  line-height: 1.8;
}

.word-en {
  font-size: 0.8rem;
  color: var(--muted);
}

.word-tr {
  font-size: 0.8rem;
  font-style: italic;
}

.verse-tr {
  margin: 0.4rem 0;
}

.verse-tr-other {
  color: var(--muted);
  font-size: 0.95rem;
}

.meaning-toggle {
  margin: 0.5rem 0;
}

.toggle-btn,
.lang-btn {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--surface);
  color: inherit;
  cursor: pointer;
}

.toggle-btn[aria-pressed="true"],
.lang-btn:disabled {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  cursor: default;
}

.coming-soon {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px dashed var(--card-border);
  border-radius: var(--radius);
  color: var(--muted);
}

.coming-soon h2 {
  margin-top: 0;
  font-size: 1.05rem;
}

/* Listen player */
.listen {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
}

.listen h2 {
  margin-top: 0;
}

.listen-sub {
  color: var(--muted);
  margin-top: 0;
}

.listen audio {
  display: none;
}

.listen-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0.75rem 0;
}

.listen-status {
  font-size: 0.9rem;
  color: var(--muted);
}

.listen-rows {
  display: grid;
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
}

.listen-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--bg);
}

.listen-row.playing {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.listen-select-label {
  margin-inline-start: auto;
  font-size: 0.9rem;
  color: var(--muted);
}

.listen-select {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--bg);
  color: inherit;
}

.memorize-cta {
  display: block;
  text-align: center;
  text-decoration: none;
  margin-top: 0.5rem;
}

/* Shared primary button */
.btn-primary {
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  .btn-primary {
    color: #10231a;
  }
}

/* Memorize screen */
.memorize {
  padding-bottom: 1rem;
}

.mem-progress {
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 0.75rem 0 0.5rem;
  z-index: 1;
}

.mem-progress-label {
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.mem-bar {
  height: 0.6rem;
  border-radius: 999px;
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  overflow: hidden;
}

.mem-bar-inner {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.mem-card,
.mem-chain-verse {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
}

.mem-tr {
  color: var(--muted);
  font-size: 0.95rem;
}

.mem-play {
  margin: 0.25rem 0 0.75rem;
  font-size: 1rem;
  padding: 0.6rem 1rem;
}

.mem-words {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.5rem 0;
}

.mem-chip {
  font-family: inherit;
  min-height: 3.25rem;
  min-width: 3.25rem;
  padding: 0.5rem 0.8rem;
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: inherit;
  cursor: pointer;
}

.mem-chip:disabled {
  cursor: default;
  opacity: 1;
}

.mem-chip.mem-hidden {
  border-style: dashed;
  border-color: var(--accent);
}

.mem-chip.mem-hidden .mem-ar {
  visibility: hidden;
}

.mem-ar {
  font-family: var(--arabic-font);
  font-size: 1.6rem;
  line-height: 1.9;
}

.mem-hint {
  color: var(--muted);
}

.mem-chain-verse {
  margin-top: 0.75rem;
}

.mem-actions {
  position: sticky;
  bottom: 0;
  display: grid;
  gap: 0.6rem;
  padding: 0.9rem 0 0.5rem;
  background: var(--bg);
}

.mem-primary {
  min-height: 3.25rem;
  width: 100%;
}

.mem-secondary {
  min-height: 3rem;
  width: 100%;
  font-size: 1rem;
}

.mem-done {
  text-align: center;
  padding: 2rem 1rem;
}

.mem-links {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.mem-links .btn-primary {
  text-decoration: none;
}

.mem-links .back-link {
  margin-top: 0;
}

.memorized-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}

.back-link {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--accent);
}

/* About */
.sources {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  margin: 0.5rem 0;
}

.sources dt {
  font-weight: 600;
}

.sources dd {
  margin: 0;
}

.promptpay-qr {
  display: block;
  margin-top: 0.75rem;
  max-width: 100%;
  height: auto;
}

.donations-soon {
  color: var(--muted);
  font-style: italic;
}

.review-note {
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--accent-soft);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.error {
  color: #b3261e;
}

.loading {
  color: var(--muted);
}

/* Footer */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
}

.lang-toggle {
  display: inline-flex;
  gap: 0.25rem;
}

.footer-link {
  color: var(--accent);
}

/* Top nav */
.top-nav {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  padding: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
}

.top-nav-link {
  flex: 1;
  padding: 0.5rem 0.25rem;
  border-radius: calc(var(--radius) - 2px);
  text-align: center;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.top-nav-link[aria-current="page"] {
  background: var(--accent-soft);
}

.top-nav-badge {
  display: inline-block;
  min-width: 1.4em;
  padding: 0 0.35em;
  border-radius: 1em;
  background: var(--accent);
  color: #fff;
  font-size: 0.8em;
  text-align: center;
}

/* Review + progress */
.review-banner {
  display: block;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: var(--accent-soft);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
}

.review-calm {
  font-size: 1.1rem;
}

.upcoming-list {
  padding-left: 1.25rem;
}

.upcoming-list li {
  margin: 0.4rem 0;
}

.review-result {
  font-size: 1.1rem;
  font-weight: 600;
}

.progress-big {
  font-size: 1.6rem;
  font-weight: 700;
}

.progress-streak,
.progress-words {
  font-size: 1.05rem;
}

.progress-rows {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

.progress-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--card-border);
}

.progress-status {
  font-size: 0.9rem;
  color: var(--muted);
}

.progress-status.memorized {
  color: var(--accent);
  font-weight: 600;
}

.progress-next {
  width: 100%;
  font-size: 0.9rem;
  color: var(--muted);
}

.support-soft {
  display: block;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none;
  }
}

/* Progress rows: themed links instead of browser-default blue */
.progress-link {
  color: var(--text);
  text-decoration: none;
}
.progress-link .card-arabic { font-size: 1.4rem; }
.progress-link .progress-name { color: var(--text); font-weight: 600; }
.progress-link:hover .progress-name,
.progress-link:focus-visible .progress-name { text-decoration: underline; }
.top-nav-link { white-space: nowrap; font-size: 0.95rem; }

/* PWA: offline pill, offline audio box, update bar, install steps */
.offline-pill {
  margin-left: auto;
  padding: 0.1rem 0.6rem;
  border-radius: 1em;
  background: var(--accent-soft);
  border: 1px solid var(--card-border);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.offline-box {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--surface);
}

.offline-saved {
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.offline-msg {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0.5rem 0 0;
}

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  text-decoration: underline;
  cursor: pointer;
}

.update-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--text);
  color: var(--bg);
  font-size: 0.95rem;
  z-index: 50;
}

.update-btn {
  padding: 0.3rem 0.9rem;
}

.install-steps {
  padding-left: 1.25rem;
}

.install-steps li {
  margin: 0.4rem 0;
}