/* 【這個檔在幹嘛】兩個大門（/start1 國際、/start2 台灣）共用的樣式。
   以前兩個 template 各自寫一份 inline <style>，改動容易兩邊不同步；抽成這一份。
   顏色走 CSS 變數，兩個世界目前同一組 teal/gold，需要換色改變數即可。
   搭配：static/gateway/gateway.js、config/gateway/*.yaml */

:root {
  --gw-tint: 255, 248, 238;                   /* cream — text/border/fill tint (flip to dark for a light theme) */
  --gw-accent: #d8a44a;                       /* 金 */
  --gw-accent-rgb: 216, 164, 74;              /* accent as r,g,b for rgba() fills */
  --gw-text: rgba(var(--gw-tint), 0.95);
  --gw-muted: rgba(var(--gw-tint), 0.52);
  --gw-line: rgba(var(--gw-tint), 0.14);
  --gw-page: #112226;
  --gw-frame: #1b383f;
  --gw-card: rgba(var(--gw-tint), 0.06);
  --gw-card-hover: rgba(var(--gw-tint), 0.12);
  --gw-card-hover-soft: rgba(var(--gw-tint), 0.10);
  --gw-shadow: rgba(0, 0, 0, 0.45);
}

/* /start2 台灣 world — dark warm-plum theme: deep plum outer (#3e3448) + a
   slightly warmer plum panel (#52323d), cream text (inherited --gw-tint) + gold
   accent that ties to the logo's gold "Me". start1 keeps the default dark
   teal/gold. Toggled by body.gw-tw. */
body.gw-tw {
  --gw-accent: #d8a44a;
  --gw-accent-rgb: 216, 164, 74;
  --gw-page: #52323d;
  --gw-frame: #6b4955;
  --gw-shadow: rgba(62, 52, 72, 0.20);
}
body.gw-start {
  --gw-page: #3c2d23;
  --gw-frame: #5a412f;
  --gw-shadow: rgba(37, 24, 16, 0.22);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--gw-page);
  color: var(--gw-text);
  font-family: 'Montserrat', -apple-system, "Noto Sans TC", system-ui, "PingFang TC", "Microsoft JhengHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 18px;
}
.frame {
  width: min(100%, 430px);
  min-height: min(92vh, 760px);
  background: var(--gw-frame);
  border: 1px solid var(--gw-line);
  border-radius: 30px;
  box-shadow: 0 24px 60px var(--gw-shadow);
  display: flex;
  flex-direction: column;
  padding: 24px 22px 20px;
  overflow: hidden;
  position: relative;
}

/* ── header / greeting ─────────────────────────────────────────────────── */
.gw-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.gw-brand { display: flex; align-items: center; gap: 8px; }
.gw-brand-link { color: var(--gw-text); text-decoration: none; }
.gw-brand img { width: 28px; height: 28px; display: block; }
.gw-brand b { font-size: 1.08rem; font-weight: 600; letter-spacing: 0.01em; }
.gw-logout { font-size: 0.82rem; color: var(--gw-muted); border: 0; background: none; cursor: pointer; padding: 0; text-decoration: none; }
/* header right side: 「重來」(force-update) + login/logout */
.gw-top-actions { display: flex; align-items: center; gap: 14px; }
.gw-refresh { font: inherit; font-size: 0.82rem; color: var(--gw-muted); border: 0; background: none; cursor: pointer; padding: 0; }
.gw-refresh:hover { color: var(--gw-accent); }
.gw-refresh:disabled { opacity: 0.5; cursor: default; }
.gw-hi { font-size: 1.6rem; font-weight: 600; margin: 0 0 4px; letter-spacing: 0.01em; }
.gw-sub { font-size: 0.95rem; color: var(--gw-muted); margin: 0 0 22px; }
.gw-sec { font-size: 0.78rem; font-weight: 600; color: var(--gw-accent); letter-spacing: 0.06em; margin: 22px 0 10px; }

/* ── cards ─────────────────────────────────────────────────────────────── */
.gw-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.gw-wrap { display: block; }
.gw-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; font: inherit; text-align: left; cursor: pointer;
  background: var(--gw-card); border: 1px solid var(--gw-line); border-radius: 15px;
  padding: 16px 18px; text-decoration: none; color: var(--gw-text);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
}
.gw-card:hover { transform: translateY(-2px); background: var(--gw-card-hover); border-color: var(--gw-accent); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35); }
.gw-card-label { font-size: 1.05rem; font-weight: 600; }
.gw-card-arrow { color: var(--gw-accent); font-size: 1.12rem; flex: none; transition: transform .16s ease; }
.gw-card[aria-expanded="true"] { border-color: var(--gw-accent); }
.gw-card[aria-expanded="true"] .gw-card-arrow { transform: rotate(180deg); }

/* ── inline panel（點卡片後展開，用來「選程度」）─────────────────────────── */
.gw-panel { margin: 6px 16px 2px; padding: 10px; background: rgba(var(--gw-tint), 0.04); border: 1px solid var(--gw-line); border-radius: 11px; }
.gw-panel[hidden] { display: none; }
.gw-panel-hint { font-size: 0.72rem; color: var(--gw-muted); margin: 0 0 8px; }

/* 程度：2 顆等寬（grid 撐等高，換行也不會歪）*/
.gw-prof { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gw-prof-btn {
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 12px 10px; border-radius: 8px; font-size: 0.9rem; font-weight: 600;
  background: var(--gw-card); border: 1px solid var(--gw-line); color: var(--gw-text);
  text-decoration: none; cursor: pointer;
  transition: border-color .14s ease, background .14s ease;
}
.gw-prof-btn:hover { border-color: var(--gw-accent); background: var(--gw-card-hover-soft); }
.gw-prof-btn.on { border-color: var(--gw-accent); background: rgba(var(--gw-accent-rgb), 0.16); }

/* 英文卡才有：翻譯語言 6 顆（選「用哪國語言解釋英文」）*/
.gw-tr { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; margin-top: 8px; }
.gw-tr-btn {
  display: block; text-align: center; padding: 6px 4px; border-radius: 8px;
  background: var(--gw-card); border: 1px solid var(--gw-line); color: var(--gw-text);
  text-decoration: none; font-size: 0.76rem; font-weight: 500; cursor: pointer;
  transition: border-color .14s ease, background .14s ease;
}
.gw-tr-btn:hover { border-color: var(--gw-accent); background: rgba(var(--gw-tint), 0.1); }
/* Locked until the learner picks a proficiency (see translatePanel) — no default. */
.gw-tr-btn:disabled { opacity: 0.4; cursor: default; pointer-events: none; }
.gw-tr-label { font-size: 0.7rem; color: var(--gw-muted); margin: 10px 0 6px; font-weight: 600; letter-spacing: 0.04em; }

/* ── slide page（第二層：選具體項目 = 4 練法 / 專項包練法）────────────────── */
.gw-page2 {
  position: absolute; inset: 0; z-index: 30;
  background: var(--gw-frame); padding: 24px 22px 20px;
  display: flex; flex-direction: column;
  transform: translateX(-100%); transition: transform .28s ease;
}
.gw-page2.open { transform: translateX(0); }
.gw-p2-top { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.gw-p2-back { font-size: 1.4rem; line-height: 1; color: var(--gw-text); background: none; border: 0; cursor: pointer; padding: 4px 6px 4px 0; }
.gw-p2-title { font-size: 1.25rem; font-weight: 600; }
.gw-p2-sub { font-size: 0.9rem; color: var(--gw-muted); margin: 0 0 14px; }

/* 選項列（tasks + 專項包 modes 共用，都帶 icon）*/
.gw-opt {
  display: flex; align-items: center; gap: 13px;
  padding: 12px 14px; margin-bottom: 8px;
  background: var(--gw-card); border: 1px solid var(--gw-line); border-radius: 14px;
  text-decoration: none; color: var(--gw-text); cursor: pointer;
  transition: transform .14s ease, border-color .14s ease, background .14s ease, box-shadow .14s ease;
}
.gw-opt:hover { transform: translateY(-2px); border-color: var(--gw-accent); background: rgba(var(--gw-tint), 0.1); box-shadow: 0 10px 22px rgba(0, 0, 0, 0.32); }
.gw-opt-ic {
  flex: none; width: 40px; height: 40px; border-radius: 12px; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  background: rgba(var(--gw-tint), 0.07); border: 1px solid var(--gw-line);
}
.gw-opt-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.gw-opt-title { font-size: 0.98rem; font-weight: 600; display: flex; align-items: center; gap: 7px; min-width: 0; }
.gw-opt-name { white-space: nowrap; }
.gw-opt-sub { font-size: 0.78rem; color: var(--gw-muted); line-height: 1.35; }
.gw-opt-chev { flex: none; color: var(--gw-accent); font-size: 1.3rem; line-height: 1; opacity: 0.85; }
.gw-opt-rec { border-color: var(--gw-accent); background: rgba(var(--gw-accent-rgb), 0.13); }
.gw-opt-rec .gw-opt-ic { background: rgba(var(--gw-accent-rgb), 0.22); border-color: rgba(var(--gw-accent-rgb), 0.5); }
.gw-opt-lock { opacity: 0.6; }
.gw-opt-daily {
  margin-bottom: 16px !important;
}
.gw-p2-section-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gw-accent);
  letter-spacing: 0.06em;
  margin: 16px 4px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.gw-p2-section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--gw-line);
}
.gw-tag { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: #2a1c08; background: var(--gw-accent); padding: 2px 8px; border-radius: 999px; }
.gw-tag-plus { color: var(--gw-muted); background: rgba(var(--gw-tint), 0.1); }

/* ── footer ────────────────────────────────────────────────────────────── */
.gw-foot { margin-top: auto; padding-top: 20px; }
.gw-intl {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 0.86rem; color: var(--gw-muted); text-decoration: none;
  padding: 10px; border-radius: 12px;
}
.gw-intl:hover { color: var(--gw-accent); }
.gw-iface { display: flex; align-items: center; justify-content: center; gap: 10px; padding-top: 16px; border-top: 1px solid var(--gw-line); }
.gw-iface-label { font-size: 0.82rem; color: var(--gw-muted); }
.gw-iface-hint { text-align: center; font-size: 0.74rem; color: var(--gw-muted); opacity: 0.8; margin: 9px 0 0; }

/* start2 的 EN/繁 切換膠囊 */
.gw-lang { display: inline-flex; border: 1px solid var(--gw-line); border-radius: 999px; overflow: hidden; background: rgba(var(--gw-tint), 0.04); }
.gw-lang button { border: 0; background: transparent; padding: 6px 15px; font-size: 0.84rem; color: var(--gw-muted); cursor: pointer; font-weight: 500; }
.gw-lang button.on { background: var(--gw-accent); color: #19343b; }

/* start1 的「母語」自訂 picker */
.gw-native-wrap { position: relative; }
.gw-native-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(var(--gw-tint), 0.06); color: var(--gw-text);
  border: 1px solid var(--gw-line); border-radius: 999px;
  padding: 6px 14px; font-size: 0.84rem; font-weight: 500; cursor: pointer;
}
.gw-native-chev { font-size: 0.65rem; opacity: 0.7; }
.gw-native-menu {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  min-width: 156px; background: #fffdf9; border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px; box-shadow: 0 16px 38px rgba(0, 0, 0, 0.4);
  padding: 6px; display: flex; flex-direction: column; z-index: 20;
}
.gw-native-menu[hidden] { display: none; }
.gw-native-menu button {
  display: flex; align-items: center; gap: 6px;
  background: transparent; border: 0; border-radius: 8px;
  padding: 6px 11px; font-size: 0.82rem; color: #2c2016; cursor: pointer;
  text-align: left; width: 100%; white-space: nowrap;
}
.gw-native-menu button:hover { background: rgba(0, 0, 0, 0.05); }
.gw-native-menu button[aria-selected="true"] { font-weight: 600; }
.gw-native-menu button::before { content: "✓"; width: 13px; color: #b07d27; opacity: 0; }
.gw-native-menu button[aria-selected="true"]::before { opacity: 1; }

/* /start neutral brand chooser */
.start-switch-frame {
  justify-content: flex-start;
}
.start-brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 8px;
}
.start-brand-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--gw-line);
  border-radius: 20px;
  color: var(--gw-text);
  text-decoration: none;
  background:
    linear-gradient(180deg, rgba(27, 56, 63, 0.98), rgba(17, 34, 38, 0.98));
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.20);
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.start-brand-card:hover {
  transform: translateY(-2px);
  border-color: var(--gw-accent);
  background:
    linear-gradient(180deg, rgba(33, 70, 78, 0.98), rgba(21, 43, 48, 0.98));
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
}
.start-brand-card-zh {
  background:
    linear-gradient(180deg, rgba(107, 73, 85, 0.98), rgba(82, 50, 61, 0.98));
}
.start-brand-card-zh:hover {
  background:
    linear-gradient(180deg, rgba(121, 82, 96, 0.98), rgba(94, 58, 70, 0.98));
}
.start-brand-kicker {
  color: var(--gw-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.start-brand-card strong {
  font-size: 1.55rem;
  line-height: 1.05;
}
.start-brand-card span:not(.start-brand-kicker) {
  color: var(--gw-muted);
  font-size: 0.86rem;
  line-height: 1.45;
}
.start-brand-card em {
  margin-top: auto;
  color: var(--gw-accent);
  font-style: normal;
  font-size: 0.86rem;
  font-weight: 700;
}