@import url("https://fonts.googleapis.com/css2?family=Anek+Tamil:wght@400;600;700&family=Manrope:wght@400;500;700&display=swap");

:root {
  --bg: #f2f0ec;
  --surface: #ffffff;
  --ink: #1e242b;
  --muted: #5c6673;
  --line: #d9dee6;
  --brand: #0f766e;
  --respect-ink: #0f766e;
  --respect-soft: #d8f1ef;
  --casual-ink: #9a3412;
  --casual-soft: #fde7da;
  --ok: #1f7a1f;
  --err: #b3261e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 12%, #ffffffcc 0%, transparent 28%),
    linear-gradient(175deg, #f8f7f4, var(--bg));
  color: var(--ink);
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
}

.shell {
  width: min(780px, 92vw);
  margin: 2rem auto 2.4rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.brand {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quiz-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  box-shadow: 0 14px 34px -30px rgba(15, 20, 28, 0.55);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.meta-row p {
  margin: 0;
}

.score {
  font-weight: 700;
  color: var(--brand);
}

h1#english-prompt {
  margin: 0;
  font-size: clamp(1.3rem, 3.9vw, 1.95rem);
  line-height: 1.25;
}

.focus-toolbar {
  margin-top: 0.52rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.focus-toolbar .audio-btn {
  margin-top: 0;
}

.focus-toolbar .actions {
  margin-top: 0;
  margin-left: auto;
}

.respect-indicator {
  width: fit-content;
  margin: 0.5rem 0 0.2rem;
  padding: 0.36rem 0.62rem;
  border-radius: 999px;
  border: 2px solid var(--line);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.respect-indicator.respectful {
  color: var(--respect-ink);
  background: var(--respect-soft);
  border-color: #91cbc5;
}

.respect-indicator.casual {
  color: var(--casual-ink);
  background: var(--casual-soft);
  border-color: #e3b29c;
}

.subtle {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.subtle.compact {
  margin-top: 0.28rem;
  font-size: 0.84rem;
}

.subtle.ok {
  color: var(--ok);
}

.subtle.err {
  color: var(--err);
}

.audio-btn {
  margin-top: 0.85rem;
}

.options {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.55rem;
}

.option {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  padding: 0.68rem 0.75rem;
  cursor: pointer;
  font-family: "Anek Tamil", "Noto Sans Tamil", sans-serif;
  line-height: 1.26;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  justify-content: flex-start;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.option .tamil-line {
  display: inline;
  flex: 0 1 auto;
  font-family: "Anek Tamil", "Noto Sans Tamil", sans-serif;
  letter-spacing: 0.01em;
}

.option .lang-gap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(0.95rem, 1.8vw, 1.5rem);
  min-width: clamp(0.95rem, 1.8vw, 1.5rem);
  height: 1em;
  margin: 0 0.1rem;
}

.option .lang-gap::before {
  content: "";
  width: 1px;
  height: 0.98em;
  background: #d8e0ec;
  border-radius: 999px;
}

.option:hover:not(:disabled) {
  border-color: #bcc7d6;
}

.option:disabled {
  cursor: default;
}

.option.kb-focus:not(:disabled) {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px #0f766e22;
}

.option .roman {
  display: inline;
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0;
  padding-top: 0;
  padding-left: 0;
  letter-spacing: 0.02em;
  line-height: 1.34;
}

.option .english-reveal {
  display: none;
  font-family: "Manrope", sans-serif;
  font-size: inherit;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
  line-height: 1.26;
}

.option.show-english .tamil-line {
  display: none;
}

.option.show-english .english-reveal {
  display: inline;
}

.option.correct {
  border-color: #5fa96b;
  background: #eaf8ee;
}

.option.wrong {
  border-color: #d38c89;
  background: #fff1f0;
}

.option.reveal {
  border-color: #74a3a1;
  background: #eaf6f5;
}

.feedback {
  min-height: 1.25rem;
  margin: 0.8rem 0 0;
  font-weight: 700;
}

.feedback:empty {
  min-height: 0;
  margin: 0;
}

.feedback.ok {
  color: var(--ok);
}

.feedback.err {
  color: var(--err);
}

.actions {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

button,
.link-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  padding: 0.56rem 0.85rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ghost-btn,
.link-btn {
  background: #f8fafb;
}

.audio-btn,
#next-btn {
  background: var(--brand);
  color: #fff;
  border-color: transparent;
}

.settings-fab {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  width: 2.45rem;
  min-width: 0;
  height: 2.45rem;
  padding: 0;
  border-radius: 999px;
  font-size: 1.08rem;
  background: #f8fafb;
}

.quiz-card.respectful-mode {
  border-top: 8px solid #0f766e;
}

.quiz-card.casual-mode {
  border-top: 8px solid #c2410c;
}

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 26, 35, 0.45);
  backdrop-filter: blur(2px);
  z-index: 20;
}

.shortcut-backdrop {
  z-index: 30;
}

.shortcut-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(760px, 94vw);
  max-height: 86vh;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem 0.95rem;
  z-index: 32;
  box-shadow: 0 24px 44px -30px rgba(12, 18, 27, 0.75);
}

.shortcut-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.shortcut-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.shortcut-grid {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.44rem 0.7rem;
}

.shortcut-grid p {
  margin: 0;
  font-size: 0.95rem;
}

kbd {
  display: inline-block;
  border: 1px solid var(--line);
  border-bottom-color: #c1c9d6;
  border-radius: 6px;
  padding: 0.1rem 0.38rem;
  background: #f8fafc;
  font-size: 0.82em;
}

.settings {
  position: fixed;
  top: 0;
  right: 0;
  width: min(540px, 94vw);
  height: 100vh;
  overflow: auto;
  background: #fff;
  border-left: 1px solid var(--line);
  z-index: 22;
  padding: 1rem 1rem 1.2rem;
  box-shadow: -20px 0 34px -28px rgba(12, 18, 27, 0.7);
}

.settings-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.settings-head h2 {
  margin: 0;
  font-size: 1.08rem;
}

.settings-group {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.settings-group h3 {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
}

.field > span {
  font-size: 0.83rem;
  color: var(--muted);
}

select,
input[type="text"],
input[type="password"],
input[type="file"],
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem;
  background: #fff;
  font-family: inherit;
}

textarea {
  resize: vertical;
  min-height: 72px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.cloud-settings {
  margin-top: 0.5rem;
}

.phrase-preview {
  margin-bottom: 0.6rem;
  padding: 0.62rem 0.7rem;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: #fafafa;
}

.phrase-preview p {
  margin: 0;
}

.tamil {
  margin-top: 0.2rem;
  font-family: "Anek Tamil", "Noto Sans Tamil", sans-serif;
}

.record-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.coverage {
  margin-top: 0.7rem;
}

.coverage summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
}

.coverage-list {
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.36rem;
}

.coverage-list li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.4rem 0.46rem;
  font-size: 0.83rem;
  background: #fafafa;
}

.coverage-list li.ready {
  border-color: #9ec79d;
  background: #ecf8ec;
}

body.low-vision {
  background: #f5f6f8;
}

body.low-vision .topbar {
  display: none;
}

body.low-vision .shell {
  width: 100vw;
  min-height: 100vh;
  margin: 0;
  padding: clamp(0.6rem, 1.6vw, 1rem);
}

body.low-vision .quiz-card {
  min-height: calc(100vh - clamp(1.2rem, 3.2vw, 2rem));
  padding: clamp(0.9rem, 2.2vw, 1.35rem);
  display: flex;
  flex-direction: column;
  gap: clamp(0.6rem, 1.6vw, 0.95rem);
}

body.low-vision .focus-toolbar {
  margin-top: 0.26rem;
  gap: clamp(0.45rem, 1.4vw, 0.9rem);
}

body.low-vision .focus-toolbar .actions {
  margin-top: 0;
  margin-left: 0;
  gap: clamp(0.45rem, 1.2vw, 0.8rem);
}

body.low-vision .respect-indicator {
  margin-top: 0.2rem;
  padding: 0.5rem 0.8rem;
  font-size: clamp(0.95rem, 2.3vw, 1.35rem);
  border-width: 3px;
}

body.low-vision .quiz-card.respectful-mode {
  border-top-width: 12px;
}

body.low-vision .quiz-card.casual-mode {
  border-top-width: 12px;
}

body.low-vision .settings-fab {
  display: inline-flex;
}

body.low-vision .meta-row,
body.low-vision #question-meta,
body.low-vision #audio-hint {
  display: none;
}

body.low-vision h1#english-prompt {
  font-size: clamp(1.65rem, 4.6vw, 3rem);
  max-width: 36ch;
}

body.low-vision .audio-btn {
  align-self: flex-start;
  min-height: clamp(2.7rem, 5vw, 3.3rem);
  min-width: clamp(8.5rem, 17vw, 11.5rem);
}

body.low-vision .options {
  margin-top: 0;
}

body.low-vision .option {
  border-radius: 14px;
  padding: clamp(0.58rem, 1.45vw, 0.88rem);
  font-size: clamp(1.04rem, 2.8vw, 1.92rem);
  box-shadow: none;
}

body.low-vision .option .roman {
  display: inline;
  margin-top: 0;
  padding-top: 0;
  padding-left: 0;
  font-size: clamp(0.9rem, 2.15vw, 1.26rem);
  color: #283447;
  font-family: "Manrope", "Avenir Next", sans-serif;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

body.low-vision .option .english-reveal {
  font-size: inherit;
  color: var(--ink);
}

body.low-vision .option .lang-gap {
  width: clamp(1.08rem, 2.15vw, 1.65rem);
  min-width: clamp(1.08rem, 2.15vw, 1.65rem);
  height: 1.04em;
}

body.low-vision .option .lang-gap::before {
  width: 2px;
  height: 1.02em;
  background: #d3dce8;
}

body.low-vision .actions {
  margin-top: auto;
}

body.low-vision button,
body.low-vision .link-btn {
  border-radius: 12px;
  min-height: clamp(2.65rem, 5.5vw, 3.3rem);
  padding: 0.5rem 1rem;
  font-size: clamp(0.98rem, 2.3vw, 1.25rem);
  font-weight: 700;
}

body.low-vision .feedback {
  margin: 0;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
}

.hidden {
  display: none;
}

@media (max-width: 720px) {
  .shell {
    width: min(760px, 94vw);
    margin-top: 1.2rem;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .shortcut-grid {
    grid-template-columns: 1fr;
  }

  .focus-toolbar .actions {
    margin-left: 0;
  }
}