:root {
  --accent: #F2653C;
  --yellow: #EBEC84;
  --ink: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-border: rgba(0, 0, 0, 0.08);
  --text: #1a1a1a;
  --text-dim: #6b6b6b;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  font-family: "Poppins", "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", -apple-system, sans-serif;
  margin: 0;
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Full-bleed rotating background, bright treatment ---- */
#bg-rotator {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--yellow);
}

.bg-slide {
  position: absolute;
  inset: 0;
  background-image: var(--bg-url);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 2.2s ease, transform 12s ease-out;
}

.bg-slide.active {
  opacity: 1;
  transform: scale(1.0);
}

/* Light, warm scrim - keeps photos bright and vivid, just enough for text legibility */
.bg-scrim {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(30,20,0,0.32) 0%, rgba(30,20,0,0.02) 22%, rgba(30,20,0,0.04) 60%, rgba(30,20,0,0.4) 100%);
  pointer-events: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Language picker, top right, bright pill ---- */
.lang-picker {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 20;
}

.lang-picker select {
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  cursor: pointer;
}

/* ---- Page layout ---- */
.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

/* ---- Hero: TAIWAN logo centered on the full screen, search bar under it ---- */
.hero {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.wordmark {
  text-align: center;
}

.logo-badge {
  display: inline-block;
}

.logo-badge img {
  display: block;
  height: clamp(4rem, 11vw, 7rem);
  width: auto;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.45));
}

/* taiwan-wordmark-only.png is a tighter crop (just "TAIWAN", no "WAVES OF
   WONDER" subtitle) than the full logo the rule above sizes for - same
   height would make the remaining glyphs render ~2.4x too large. Scaled by
   the crop's height ratio (77px/186px) so the TAIWAN wordmark itself ends
   up the same rendered size as it was in the original combined logo. */
.logo-badge img.taiwan-wordmark-img {
  height: clamp(1.65rem, 4.55vw, 2.9rem);
}

.hero .search-card {
  width: min(100%, 560px);
}

/* ---- Sample phrases: scrollable row of quick example searches, tucked
   directly under the search bar. Narrow enough to show ~2 phrases up
   front - scroll right to reveal the rest. ---- */
.sample-phrases-wrap {
  width: min(100%, 280px);
  text-align: left;
  margin-top: -1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sample-phrases-label {
  flex: 0 0 auto;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  color: var(--ink);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.sample-phrases {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  justify-content: flex-start;
  padding: 0.15rem 0.15rem 0.6rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  /* Fade only the trailing edge, hinting more phrases beyond the initial two */
  mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 16px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 16px), transparent 100%);
}

.sample-phrase-btn {
  flex: 0 0 auto;
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.sample-phrase-btn:hover {
  background: #fff;
}

.sample-phrase-btn:active {
  transform: scale(0.96);
}

/* ---- Bright cards (taiwan-wow.com content-card style) ---- */
.glass-card {
  width: 100%;
  background: var(--card-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
  padding: 1.25rem;
  color: var(--text);
}

.search-card {
  padding: 1rem;
}

.search-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.search-row input[type="text"] {
  flex: 1;
  min-width: 0;
  height: 3.2rem;
  padding: 0 1rem;
  font-size: 1.1rem;
  font-family: inherit;
  color: var(--text);
  background: #f4f4f0;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  transition: border-color 0.15s, background 0.15s;
}

.search-row input[type="text"]::placeholder {
  color: #9a9a90;
}

.search-row input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}

.search-row button#search-btn {
  padding: 0.85rem 1.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  font-family: inherit;
  transition: filter 0.15s, transform 0.1s;
}

.search-row button#search-btn:hover:not(:disabled) {
  filter: brightness(1.08);
}

.search-row button#search-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.search-row button#search-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-spinner {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  margin-right: 0.5em;
  vertical-align: -0.15em;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
}

@keyframes btn-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---- Results ---- */
.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.results-card h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
}

.download-btns {
  display: flex;
  gap: 0.5rem;
}

.download-btns .btn {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  background: #f4f4f0;
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.15s;
}

.download-btns .btn:hover {
  background: #eaeae4;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}

th {
  background: #f7f7f2;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

td {
  font-size: 0.92rem;
  color: var(--text);
  white-space: normal;
}

.audio-link {
  font-size: 1.15rem;
  text-decoration: none;
}

.audio-link:hover {
  opacity: 0.8;
}

.audio-play-btn {
  font-size: 1.15rem;
  line-height: 1;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}

.audio-play-btn:hover {
  opacity: 0.8;
}

.error-state {
  text-align: center;
  color: var(--accent);
  border-color: rgba(242, 101, 60, 0.3);
}

/* ---- Footer: minimal, single line, on-photo ---- */
.minimal-footer {
  margin: auto auto 0;
  padding: 0.5rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
  text-align: center;
  max-width: 720px;
}

.minimal-footer .disclaimer {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.85;
}

.minimal-footer p {
  margin: 0.3rem 0 0;
}

.minimal-footer p:first-child {
  margin-top: 0;
}

.minimal-footer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.minimal-footer a:hover {
  border-color: var(--yellow);
}

.minimal-footer .photo-credits {
  font-size: 0.68rem;
  font-weight: 400;
  opacity: 0.85;
}

/* ---- Mandarin | Taiwanese | English lookup cards (Claude + 意傳科技 edition) ---- */
.lookup-results {
  max-width: 1080px;
}

.lookup-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lookup-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.lookup-col {
  padding: 1.5rem 1.75rem;
  border-left: 1px solid var(--card-border);
  min-width: 0;
}

.lookup-col:first-child {
  border-left: none;
}

.lookup-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.lookup-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  vertical-align: middle;
}

.lookup-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.lookup-audio-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
  transition: color 0.15s;
}

.lookup-audio-btn:hover:not(:disabled) {
  color: var(--accent);
}

.lookup-audio-btn svg {
  width: 1.3rem;
  height: 1.3rem;
  display: block;
}

.lookup-audio-btn:disabled {
  cursor: default;
  font-size: 0.72rem;
  font-weight: 400;
  white-space: nowrap;
}

.lookup-main {
  flex: 1;
  min-width: 0;
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  overflow-wrap: break-word;
}

.lookup-main.is-latin {
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.4;
}

.lookup-secondary {
  margin-top: 0.75rem;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.82rem;
  color: var(--text-dim);
  overflow-wrap: break-word;
}

.lookup-secondary.is-taigi {
  color: #a8632c;
}

/* ---- Voice engine toggle (bottom of page) ---- */
.voice-toggle-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  padding: 1.1rem 1.25rem;
}

.voice-toggle-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.voice-toggle {
  display: inline-flex;
  background: #f4f4f0;
  border-radius: 999px;
  padding: 0.25rem;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: center;
}

.voice-toggle-btn {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.voice-toggle-btn:hover:not(.is-active) {
  background: #eaeae4;
}

.voice-toggle-btn.is-active {
  background: var(--accent);
  color: #fff;
}

.search-counter {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
}

/* Taigi words/characters shared with the Mandarin source are dimmed;
   words specific to Taigi (not present in the Mandarin sentence) are bold. */
.diff-shared {
  color: var(--text-dim);
  font-weight: 400;
}

.diff-specific {
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 820px) {
  .lookup-card {
    grid-template-columns: 1fr;
  }
  .lookup-col {
    border-left: none;
    border-top: 1px solid var(--card-border);
  }
  .lookup-col:first-child {
    border-top: none;
  }
}

@media (max-width: 560px) {
  .page {
    padding-top: 5vh;
  }
  .search-row {
    flex-direction: column;
    align-items: stretch;
  }
  .search-row button#search-btn {
    width: 100%;
  }
}

/* ---- BYOK edition: top bar (key status + language) and key modal ---- */
.top-bar {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar select {
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  cursor: pointer;
}

.key-status-btn {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: none;
  background: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.key-status-btn.has-key {
  opacity: 1;
}

.key-status-btn:hover {
  opacity: 1;
}

.key-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.key-modal {
  position: relative;
  width: min(100%, 440px);
  background: #fff;
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.key-modal h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  color: var(--text);
}

.key-modal p {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-dim);
}

.key-modal input {
  width: 100%;
  height: 2.8rem;
  padding: 0 1rem;
  font-size: 0.95rem;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: #f4f4f0;
  color: var(--text);
  margin-bottom: 1rem;
}

.key-modal input:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}

.key-modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.key-modal-actions a {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.key-modal-actions a:hover {
  text-decoration: underline;
}

.key-modal-actions button {
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
}

.key-modal-actions button:hover {
  filter: brightness(1.08);
}

.key-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.9rem;
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
}

.key-modal-close:hover {
  color: var(--text);
}

/* ---- Hover-to-translate tooltip: hover a word/phrase in the Mandarin or
   Taiwanese columns to see a mini Mandarin/Taiwanese/English breakdown ---- */
.word-segment {
  cursor: help;
  border-radius: 4px;
  padding: 0 1px;
  margin: 0 -1px;
  transition: background 0.12s;
}

.word-segment:hover {
  background: rgba(242, 101, 60, 0.16);
}

.hover-tooltip {
  position: fixed;
  z-index: 200;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
  padding: 0.65rem 0.9rem;
  max-width: 240px;
  pointer-events: none;
}

.hover-tooltip-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.hover-tooltip-label:first-child {
  margin-top: 0;
}

.hover-tooltip-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  overflow-wrap: break-word;
}

.hover-tooltip-romanization {
  margin-top: 0.15rem;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  overflow-wrap: break-word;
}

.hover-tooltip-romanization.is-taigi {
  color: #a8632c;
}

/* ---- SEO/landing content: static, crawlable copy about Taigi and the
   tool itself - always rendered server-side regardless of search state,
   so a crawler (or a visitor with JS disabled) sees real descriptive text
   instead of just an empty search box. ---- */
.seo-content h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.seo-content p {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.seo-content p:last-child {
  margin-bottom: 0;
}

.seo-faq-heading {
  margin: 1.5rem 0 0.9rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.seo-faq {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.seo-faq-item {
  padding-top: 0.9rem;
  border-top: 1px solid var(--card-border);
}

.seo-faq-item:first-child {
  padding-top: 0;
  border-top: none;
}

.seo-faq-q {
  margin: 0 0 0.3rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}

.seo-faq-a {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-dim);
}