/* ==========================================================
   basay.tw — 凱達格蘭（巴賽語）〜從記憶到再生〜
   視覺主題：淡水河口・八里海岸・大屯火山
   ========================================================== */

:root {
  /* 色票 */
  --color-deep:   #1a3a52;  /* 深海藍 */
  --color-sand:   #f0e6d2;  /* 砂岸色 */
  --color-algae:  #5a7a6b;  /* 海藻綠 */
  --color-brick:  #c86d4a;  /* 火山磚紅 */
  --color-drift:  #6b5d54;  /* 流木灰 */
  --color-ink:    #2c2620;  /* 墨黑 */
  --color-mist:   #fbf7ef;  /* 霧白 */
  --color-line:   rgba(44, 38, 32, 0.12);

  /* 字體 */
  --font-serif: "Noto Serif TC", "Source Han Serif TC", "PingFang TC", "Songti TC", serif;
  --font-sans:  "Inter", "Noto Sans TC", "PingFang TC", "Helvetica Neue", Arial, sans-serif;
  --font-mono:  "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  /* 尺寸 */
  --max-w: 1080px;
  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(26, 58, 82, 0.08);
  --shadow-md: 0 6px 24px rgba(26, 58, 82, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-mist);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-deep);
  line-height: 1.3;
  margin: 2.2em 0 0.8em;
  letter-spacing: 0.02em;
}
h1 { font-size: 2.2rem; }
h2 { font-size: 1.6rem; border-bottom: 1px solid var(--color-line); padding-bottom: .3em; }
h3 { font-size: 1.2rem; color: var(--color-algae); }

p { margin: 0 0 1em; }

a {
  color: var(--color-brick);
  text-decoration: none;
  border-bottom: 1px dotted var(--color-brick);
  transition: color .15s, border-color .15s;
}
a:hover { color: var(--color-deep); border-bottom-color: var(--color-deep); }

code, .basay-word {
  font-family: var(--font-mono);
  background: var(--color-sand);
  padding: 0.05em 0.35em;
  border-radius: 3px;
  font-size: 0.92em;
  color: var(--color-ink);
}

blockquote {
  border-left: 3px solid var(--color-algae);
  margin: 1.5em 0;
  padding: .2em 1.2em;
  color: var(--color-drift);
  font-style: italic;
}

hr {
  border: 0;
  height: 1px;
  background: var(--color-line);
  margin: 2.5em 0;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-deep);
  color: var(--color-mist);
  border-bottom: 3px solid var(--color-brick);
}
.site-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand a {
  color: var(--color-mist);
  border: 0;
  font-weight: 600;
}
.brand .brand-main {
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}
.brand .brand-sub {
  font-size: 0.85rem;
  color: var(--color-sand);
  font-style: italic;
  opacity: 0.85;
  margin-top: 0.2em;
}

nav.site-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.98rem;
}
nav.site-nav a {
  color: var(--color-mist);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--color-sand);
  border-bottom-color: var(--color-brick);
}

/* ---------- Layout ---------- */
main.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-algae) 100%);
  color: var(--color-mist);
  padding: 4.5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  /* 波浪紋 */
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 30px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 30' preserveAspectRatio='none'><path d='M0 15 Q 15 0 30 15 T 60 15 T 90 15 T 120 15 V 30 H 0 Z' fill='%23fbf7ef'/></svg>") repeat-x;
  background-size: 120px 30px;
}
.hero h1 { color: var(--color-mist); font-size: 2.8rem; margin: 0 0 .4em; }
.hero .sub { color: var(--color-sand); font-size: 1.1rem; font-style: italic; }
.hero .basay-greet {
  margin-top: 1.8em;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.15em;
  color: var(--color-sand);
}

/* ---------- Cards Grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
  margin: 2rem 0;
}
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-top: 4px solid var(--color-brick);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card h3 { margin-top: 0; color: var(--color-deep); }
.card p { color: var(--color-drift); font-size: 0.96em; }
.card a.more {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Daily widget ---------- */
.daily-widget {
  background: var(--color-sand);
  border-left: 5px solid var(--color-brick);
  padding: 1.5rem 1.8rem;
  border-radius: var(--radius);
  margin: 2.5rem 0;
}
.daily-widget .date {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-drift);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.daily-widget .word {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--color-deep);
  margin: 0.2em 0 0.1em;
  letter-spacing: 0.05em;
}
.daily-widget .gloss { color: var(--color-ink); font-size: 1.05rem; }
.daily-widget .usage { color: var(--color-drift); font-style: italic; margin-top: .6em; }

/* ---------- Daily Archive (Back Number) ---------- */
.daily-archive {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}
.daily-archive-item {
  background: var(--color-mist);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-algae);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: transform .12s ease, box-shadow .12s ease;
}
.daily-archive-item:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.daily-archive-item .da-date {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-drift);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.2em;
}
.daily-archive-item .da-word {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-deep);
  letter-spacing: 0.03em;
  margin: 0.1em 0 0.3em;
  display: inline-block;
}
.daily-archive-item .da-gloss {
  font-size: 0.95rem;
  color: var(--color-ink);
  margin: 0.3em 0 0.15em;
}
.daily-archive-item .da-usage {
  font-size: 0.88rem;
  color: var(--color-drift);
  font-style: italic;
}
.daily-archive-item .basay-audio-btns {
  display: inline-flex;
  gap: .35rem;
  margin-left: .4rem;
  vertical-align: middle;
}
.daily-archive .da-empty {
  grid-column: 1 / -1;
  color: var(--color-drift);
  font-style: italic;
  text-align: center;
  padding: 1.5rem;
}

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.98rem;
}
th, td {
  padding: 0.7em 0.9em;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}
th {
  background: var(--color-sand);
  color: var(--color-deep);
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
}
tr:hover td { background: rgba(240, 230, 210, 0.4); }
td.basay { font-family: var(--font-mono); color: var(--color-deep); }

/* ---------- Phrase block ---------- */
.phrase {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1rem 1.3rem;
  margin: 1rem 0;
}
.phrase .basay { font-family: var(--font-mono); font-size: 1.15rem; color: var(--color-deep); letter-spacing: 0.04em; }
.phrase .zh { color: var(--color-ink); margin-top: .2em; }
.phrase .note { color: var(--color-drift); font-size: 0.9em; font-style: italic; margin-top: .3em; }

/* ---------- Dictionary ---------- */
.dict-search {
  background: var(--color-sand);
  padding: 1.2rem 1.3rem;
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
  margin: 1.5rem 0;
}
.dict-search input,
.dict-search select {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: .55em .8em;
  border: 1px solid var(--color-line);
  background: #fff;
  color: var(--color-ink);
  border-radius: var(--radius);
}
.dict-search input[type="search"] { flex: 1; min-width: 220px; }
.dict-search button {
  font-family: var(--font-sans);
  background: var(--color-deep);
  color: var(--color-mist);
  border: 0;
  padding: .6em 1.4em;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 0.08em;
}
.dict-search button:hover { background: var(--color-brick); }

.dict-results { margin-top: 1.5rem; }
.dict-entry {
  border-bottom: 1px dashed var(--color-line);
  padding: 1rem 0;
}
.dict-entry:last-child { border-bottom: 0; }
.dict-entry .headword {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-deep);
  letter-spacing: 0.05em;
}
.dict-entry .pos {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  background: var(--color-algae);
  color: var(--color-mist);
  padding: 0.1em 0.6em;
  margin-left: 0.6em;
  border-radius: 10px;
  vertical-align: middle;
  letter-spacing: 0.05em;
}
.dict-entry .senses { list-style: none; padding: 0; margin: .4em 0 0; }
.dict-entry .senses li {
  padding-left: 1.4em;
  position: relative;
  margin: .2em 0;
}
.dict-entry .senses li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-brick);
}
.dict-entry .source {
  display: inline-block;
  margin-top: .4em;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-drift);
}
.dict-empty {
  text-align: center;
  color: var(--color-drift);
  padding: 2rem;
  font-style: italic;
}

/* ---------- Notion CTA ---------- */
.notion-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  background: linear-gradient(135deg, #fff 0%, var(--color-sand) 100%);
  border: 1px solid var(--color-line);
  border-left: 5px solid var(--color-deep);
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius);
  margin: 1.8rem 0;
  box-shadow: var(--shadow-sm);
}
.notion-cta .notion-text { flex: 1 1 260px; }
.notion-cta .notion-text strong { color: var(--color-deep); font-size: 1.05rem; }
.notion-cta .notion-text p {
  margin: .3em 0 0;
  color: var(--color-drift);
  font-size: 0.95rem;
}
.notion-cta .notion-btn {
  font-family: var(--font-sans);
  background: var(--color-deep);
  color: var(--color-mist);
  border: 0;
  padding: .7em 1.4em;
  border-radius: var(--radius);
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  white-space: nowrap;
  border-bottom: 0;
}
.notion-cta .notion-btn:hover {
  background: var(--color-brick);
  color: var(--color-mist);
}
.notion-cta .notion-btn::after { content: " ↗"; }

/* ---------- Research list ---------- */
.paper {
  background: #fff;
  border-left: 4px solid var(--color-algae);
  padding: 1rem 1.3rem;
  margin: 1rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.paper h3 { margin: 0 0 .3em; font-size: 1.1rem; color: var(--color-deep); }
.paper .authors { font-family: var(--font-sans); font-size: .92rem; color: var(--color-drift); }
.paper .meta { font-family: var(--font-sans); font-size: .85rem; color: var(--color-drift); margin-top: .4em; }
.paper .abstract { margin-top: .6em; font-size: 0.96rem; }
.paper .cta-row { margin-top: .8em; display: flex; gap: .6rem; flex-wrap: wrap; }
.paper .cta-row a {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  padding: .35em .9em;
  border: 1px solid var(--color-deep);
  border-radius: var(--radius);
  color: var(--color-deep);
  text-decoration: none;
}
.paper .cta-row a.primary { background: var(--color-deep); color: var(--color-mist); }
.paper .cta-row a:hover { background: var(--color-brick); color: var(--color-mist); border-color: var(--color-brick); }

/* ---------- Paper detail page ---------- */
.paper-meta {
  background: var(--color-sand);
  padding: 1rem 1.3rem;
  border-radius: var(--radius);
  margin: 1.2rem 0 1.8rem;
  font-family: var(--font-sans);
  font-size: 0.93rem;
  color: var(--color-drift);
  line-height: 1.8;
}
.paper-meta strong { color: var(--color-deep); }
.paper-meta .download-row { margin-top: .8em; }
.paper-meta .download-btn {
  display: inline-block;
  background: var(--color-deep);
  color: var(--color-mist);
  padding: .5em 1.2em;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  border-bottom: 0;
  margin-right: .5em;
}
.paper-meta .download-btn:hover { background: var(--color-brick); }

.abstract-box {
  background: #fff;
  border-left: 4px solid var(--color-brick);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0 2rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.abstract-box h2 { margin-top: 0; font-size: 1.15rem; border: 0; padding: 0; }
.abstract-box p { margin-bottom: 0.6em; }
.keywords {
  margin-top: 0.8em;
  font-size: 0.9rem;
  color: var(--color-drift);
  font-family: var(--font-sans);
}
.keywords strong { color: var(--color-deep); }

.cite-block {
  background: var(--color-mist);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin: 1rem 0;
}
.cite-block h3 { margin-top: 0; font-size: 1rem; color: var(--color-algae); }
.cite-block pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #fff;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  margin: 0;
  color: var(--color-ink);
}

.breadcrumb {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--color-drift);
  margin-bottom: 0.5rem;
}
.breadcrumb a { color: var(--color-drift); border-bottom: 1px dotted var(--color-drift); }
.breadcrumb a:hover { color: var(--color-brick); border-color: var(--color-brick); }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--color-deep);
  color: var(--color-sand);
  padding: 2.5rem 1.5rem 2rem;
  margin-top: 4rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-top: 3px solid var(--color-brick);
}
footer.site-footer a { color: var(--color-sand); border-bottom-color: rgba(240, 230, 210, 0.4); }
footer.site-footer a:hover { color: var(--color-mist); }
footer.site-footer .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  margin-bottom: .8em;
  color: var(--color-mist);
}

/* ---------- Small screens ---------- */
@media (max-width: 640px) {
  .site-header-inner { flex-direction: column; align-items: flex-start; }
  nav.site-nav ul { gap: 1rem; flex-wrap: wrap; }
  .hero { padding: 3rem 1.2rem; }
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.7rem; }
}

/* ---------- Utility ---------- */
.section-intro { color: var(--color-drift); font-size: 1.05rem; max-width: 760px; }
.tag { display: inline-block; background: var(--color-algae); color: var(--color-mist);
       font-family: var(--font-sans); font-size: .78rem; padding: .15em .8em;
       border-radius: 12px; margin-right: .4em; letter-spacing: 0.04em; }
.placeholder-note {
  background: rgba(200, 109, 74, 0.08);
  border: 1px dashed var(--color-brick);
  padding: 0.8em 1.1em;
  border-radius: var(--radius);
  color: var(--color-drift);
  font-size: 0.92em;
  margin: 1.2em 0;
}

/* ==========================================================
   音聲コンポーネント（IPay / 台語 TTS 再生ボタン）
   ========================================================== */

/* ヴォイススイッチャー */
.basay-voice-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.55em 0.9em;
  margin: 1.2em 0 1.6em;
  border: 1px solid var(--color-line);
  background: rgba(26, 58, 82, 0.035);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.85rem;
}
.basay-voice-switcher .vs-label {
  color: var(--color-deep);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.basay-voice-switcher [data-voice] {
  border: 1px solid var(--color-line);
  background: var(--color-mist);
  color: var(--color-ink);
  padding: 0.25em 0.8em;
  border-radius: 14px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  transition: all 0.15s ease;
}
.basay-voice-switcher [data-voice]:hover {
  border-color: var(--color-deep);
}
.basay-voice-switcher [data-voice][data-voice="ipay"].active {
  background: #2a5a7a;
  color: #fff;
  border-color: #4a9abf;
  box-shadow: 0 0 0 2px rgba(42, 90, 122, 0.18);
}
.basay-voice-switcher [data-voice][data-voice="hokkien"].active {
  background: #3a6b2a;
  color: #fff;
  border-color: #6aaa4a;
  box-shadow: 0 0 0 2px rgba(58, 107, 42, 0.18);
}
.basay-voice-switcher #basay-voice-status {
  color: var(--color-drift);
  font-size: 0.78rem;
}
.basay-voice-switcher .vs-desc {
  color: var(--color-drift);
  font-size: 0.74rem;
  margin-left: auto;
  opacity: 0.7;
}

/* 再生ボタン（Basay 文に隣接） */
.basay-audio-btns {
  display: inline-flex;
  gap: 0.25em;
  margin-left: 0.4em;
  vertical-align: baseline;
}
.basay-play {
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  padding: 0.08em 0.5em;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.22em;
  line-height: 1.4;
  transition: all 0.15s ease;
  user-select: none;
}
.basay-play .play-emoji { font-size: 0.82em; }
.basay-play .play-label { letter-spacing: 0.03em; }
.basay-play--ipay {
  background: rgba(42, 90, 122, 0.1);
  color: #1d4a66;
  border-color: rgba(42, 90, 122, 0.2);
}
.basay-play--ipay:hover {
  background: rgba(42, 90, 122, 0.2);
  border-color: rgba(42, 90, 122, 0.45);
}
.basay-play--hokkien {
  background: rgba(58, 107, 42, 0.1);
  color: #2d5420;
  border-color: rgba(58, 107, 42, 0.22);
}
.basay-play--hokkien:hover {
  background: rgba(58, 107, 42, 0.2);
  border-color: rgba(58, 107, 42, 0.45);
}
.basay-play.loading { opacity: 0.55; }
.basay-play.playing {
  animation: basay-play-pulse 0.9s ease-in-out infinite;
}
.basay-play.missing {
  background: rgba(200, 109, 74, 0.15);
  color: var(--color-brick);
  border-color: var(--color-brick);
}
.basay-play.missing::after {
  content: " 準備中";
  font-size: 0.66rem;
  margin-left: 0.2em;
  opacity: 0.85;
}
@keyframes basay-play-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.07); }
}

/* Basay 文字にラインを引く（音源ありを示す） */
.basay-has-audio {
  background: linear-gradient(transparent 70%, rgba(42, 90, 122, 0.14) 70%);
  padding: 0 0.12em;
}

/* テーブル内など、狭い場所でのコンパクト表示 */
.compact-audio .basay-audio-btns { margin-left: 0.25em; gap: 0.15em; }
.compact-audio .basay-play { padding: 0.02em 0.38em; font-size: 0.66rem; }
.compact-audio .basay-play .play-label { display: none; }

/* 小画面 */
@media (max-width: 640px) {
  .basay-voice-switcher { font-size: 0.78rem; }
  .basay-voice-switcher .vs-desc { display: none; }
  .basay-play .play-label { display: none; }
}