/* ════════════════════════════════════════════════════════════════
   SCTA 共用樣式 — Olive Editorial 設計系統
   index.html / sequence.html / admin.html 共用
   ════════════════════════════════════════════════════════════════ */
/* 字型統一改由各頁 <head> 的 <link>（preconnect + 非阻塞）載入，
   不再用 @import — @import 會串行在本檔之後並擋住首次繪製（白畫面）。*/

:root {
  /* ─── 結構色（橄欖深淺 4 層）─── */
  --bg: #14180F;
  --surface: #2A2E22;
  --surface2: #3A3E2E;
  --surface-hi: #4A5040;

  /* ─── 文字 3 階 ─── */
  --text: #E8E2D4;
  --text-dim: #B8B0A0;
  --text-mute: rgba(232, 226, 212, 0.4);

  /* ─── 主強調 ─── */
  --accent: #E8E2D4;        /* Cream — 主 CTA 底 */
  --accent-2: #BA9972;      /* Brass — hover / 第二強調 / 邊框 */
  --accent-dim: rgba(232, 226, 212, 0.12);
  --accent-glow: rgba(232, 226, 212, 0.18);
  --accent-2-dim: rgba(186, 153, 114, 0.20);

  /* ─── 語意色 ─── */
  --success: #7DD49F;
  --success-dim: rgba(125, 212, 159, 0.18);
  --warning: #E8B842;
  --warning-dim: rgba(232, 184, 66, 0.20);
  --danger: #D85F58;
  --danger-dim: rgba(216, 95, 88, 0.20);
  --info: #B8D4E0;

  /* ─── 級別色（淺 → 深）─── */
  --level-basic: #E8E2D4;
  --level-inter: #C4AFA0;
  --level-adv: #8A6F4E;

  /* ─── 單元色（器械分類）─── */
  --unit-1: #BA9972;  /* Brass — Reformer */
  --unit-2: #7A92A8;  /* Slate Blue — Cadillac/CCB */
  --unit-3: #C49A8D;  /* Rose Dust — Chair */
  --unit-4: #9A7E94;  /* Mauve — Barrel */
  --unit-5: #D4B57A;  /* Sand Gold — Mat */
  --unit-6: #9E9E8E;  /* Stone — 預備 */

  /* ─── 舊命名別名（向後相容）─── */
  --gold: var(--level-inter);
  --gold-dim: rgba(196, 175, 160, 0.20);

  /* ─── 字體 ─── */
  --font-display: 'Playfair Display', 'Noto Sans TC', serif;
  --font-body: 'DM Sans', 'Noto Sans TC', sans-serif;
  --font-mono: 'Space Grotesk', 'Noto Sans TC', sans-serif;

  --radius: 4px;
  --radius-pill: 999px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100%;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: inherit; }

.serif { font-family: var(--font-display); }

/* ─── 置中容器（登入用）─── */
.center-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* ─── 一般頁面容器 ─── */
.container { max-width: 760px; width: 100%; margin: 0 auto; padding: 28px 20px 80px; }

/* ─── 頂列 ─── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 18px;
  border-bottom: 1px solid var(--surface2);
  position: sticky; top: 0; background: rgba(20, 24, 15, 0.92);
  backdrop-filter: blur(8px); z-index: 10;
}
.topbar .brand {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  letter-spacing: .08em; color: var(--text); text-transform: uppercase;
}
.topbar .spacer { flex: 1; }
.topbar .user {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em;
  color: var(--text-dim); text-transform: uppercase;
}
.topbar-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.topbar-logo { height: 30px; width: auto; display: block; }

/* ─── 標題 ─── */
.page-head { text-align: center; padding: 40px 0 28px; }
.page-head .kicker {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 12px;
}
.page-head h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 7vw, 3rem); color: var(--text);
  letter-spacing: -0.01em; line-height: .98; text-transform: uppercase;
}
.page-head .sub { color: var(--text-dim); margin-top: 10px; font-size: .92rem; font-weight: 300; }

/* ─── 卡片 ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--surface2);
  border-radius: var(--radius);
  padding: 24px;
}

/* ─── 表單 ─── */
.field { margin-bottom: 16px; }
.field label {
  display: block; font-family: var(--font-mono); font-size: .68rem;
  color: var(--text-dim); letter-spacing: .16em; text-transform: uppercase; margin-bottom: 8px;
}
.input {
  width: 100%; padding: 12px 14px; font-size: .95rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--surface2); border-radius: var(--radius);
  font-family: var(--font-body); transition: border-color .2s;
}
.input:focus { outline: none; border-color: var(--accent-2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; font-size: .72rem; font-weight: 500;
  font-family: var(--font-mono); letter-spacing: .16em; text-transform: uppercase;
  border: 1px solid var(--surface2); border-radius: var(--radius); cursor: pointer;
  background: transparent; color: var(--text); transition: all .2s; text-decoration: none;
}
.btn:hover { border-color: var(--accent-2); }
.btn-primary { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: var(--info); border-color: var(--info); box-shadow: none; }
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-danger { color: var(--danger); border-color: var(--danger-dim); background: transparent; }
.btn-sm { padding: 7px 12px; font-size: .64rem; letter-spacing: .14em; }
.btn-block { width: 100%; padding: 14px 20px; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.msg { font-size: .82rem; margin-top: 12px; min-height: 1.2em; font-family: var(--font-mono); letter-spacing: .04em; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--success); }

/* ─── 目錄（catalog）─── */
.equip-group { margin-bottom: 38px; --equip-color: var(--accent-2); }
.equip-head {
  display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px;
  padding: 4px 0 10px 14px; border-bottom: 1px solid var(--surface2);
  border-left: 3px solid var(--equip-color);
}
.equip-head .name {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  color: var(--text); text-transform: uppercase; letter-spacing: -0.01em;
}
.equip-head .zh {
  font-family: var(--font-mono); font-size: .72rem; color: var(--equip-color);
  letter-spacing: .15em; text-transform: uppercase;
}

.level-row { margin: 16px 0; }
.level-tag {
  display: inline-block; font-family: var(--font-mono); font-size: .64rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--level-inter);
  border: 1px solid rgba(196, 175, 160, 0.30); border-radius: var(--radius-pill);
  padding: 3px 12px; margin-bottom: 12px;
}
.quiz-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }

.quiz-card {
  position: relative; display: block; text-decoration: none;
  background: var(--surface); border: 1px solid var(--surface2);
  border-radius: var(--radius); padding: 18px 16px 40px; transition: all .25s;
}
.quiz-card.ready:hover { border-color: var(--accent-2); transform: translateY(-2px); }
.quiz-card .q-name {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--text);
  margin-bottom: 4px; text-transform: uppercase; letter-spacing: -0.01em;
}
/* ─── 級別色：整張卡片底色（淺→深，配合難度遞進）─── */
/* 已開放 → 實心級別色卡 */
.quiz-card.ready.lv-basic { background: var(--level-basic); border-color: var(--level-basic); }
.quiz-card.ready.lv-inter { background: var(--level-inter); border-color: var(--level-inter); }
.quiz-card.ready.lv-adv   { background: var(--level-adv);   border-color: var(--level-adv); }
/* 淺底 → 深色文字（基礎 / 中階）*/
.quiz-card.ready.lv-basic .q-name, .quiz-card.ready.lv-inter .q-name,
.quiz-card.ready.lv-basic .q-arrow, .quiz-card.ready.lv-inter .q-arrow { color: #1d2117; }
.quiz-card.ready.lv-basic .q-zh, .quiz-card.ready.lv-inter .q-zh { color: rgba(20,24,15,0.62); }
/* 深底 → 淺色文字（進階）*/
.quiz-card.ready.lv-adv .q-name, .quiz-card.ready.lv-adv .q-arrow { color: var(--text); }
.quiz-card.ready.lv-adv .q-zh { color: rgba(232,226,212,0.72); }
/* 未開放 → 深底 + 淡級別色 tint（維持灰暗、退到背景）*/
.quiz-card.coming.lv-basic { background: rgba(232,226,212,0.08); }
.quiz-card.coming.lv-inter { background: rgba(196,175,160,0.10); }
.quiz-card.coming.lv-adv   { background: rgba(138,111,78,0.16); }
.quiz-card .q-zh { font-family: var(--font-mono); font-size: .68rem; color: var(--text-dim); letter-spacing: .1em; text-transform: uppercase; }
.quiz-card .q-arrow { position: absolute; right: 16px; bottom: 14px; color: var(--accent-2); opacity: .8; }
.quiz-card.coming { opacity: .5; cursor: default; }
.quiz-card.coming .q-name { color: var(--text-dim); }
.quiz-card .badge-soon {
  display: inline-block; margin-bottom: 8px; font-family: var(--font-mono);
  font-size: .56rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim);
  border: 1px solid var(--surface2); border-radius: var(--radius-pill); padding: 2px 8px;
}

/* ─── 首頁 Hero（大標題兩行 + 鼓勵語）─── */
.hero { text-align: center; padding: 32px 0 6px; }
.hero-en {
  font-family: var(--font-mono); font-size: clamp(.8rem, 3.2vw, 1rem);
  letter-spacing: .28em; text-transform: uppercase; color: var(--accent-2);
}
.hero-zh {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 8vw, 2.9rem);
  color: var(--text); letter-spacing: .02em; line-height: 1.15; margin-top: 10px;
}
.hero-intro {
  max-width: 560px; margin: 18px auto 0;
  color: var(--text-dim); font-size: .92rem; font-weight: 300; line-height: 1.9; padding: 0 4px;
}

/* ─── 區塊分隔標題 ─── */
.section-title { display: flex; align-items: center; gap: 14px; margin: 40px 0 22px; }
.section-title .line { flex: 1; height: 1px; background: var(--surface2); }
.section-title .label {
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--text-dim); white-space: nowrap;
}

/* ─── 複習單元圖卡 ─── */
.modules-section { margin-top: 40px; perspective: 1200px; }
.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.module-card {
  position: relative; display: block; text-decoration: none; color: inherit;
  background: var(--surface); border: 1px solid var(--surface2);
  border-radius: var(--radius); padding: 24px 22px 46px; min-height: 168px;
  overflow: hidden;
  transform-style: preserve-3d; will-change: transform;
  box-shadow: 0 10px 26px -16px rgba(0,0,0,.6);
  transition: box-shadow .3s;
}
.module-card.ready { border-color: var(--accent-2-dim); }
.module-card.coming { opacity: .55; cursor: default; }

/* ── 三張 ready 卡：深飽和填色（米色字、高對比清楚）── */
.module-card.ready.mod-sequence { background: #8A6A41; border-color: #8A6A41; }  /* 青銅 */
.module-card.ready.mod-anatomy  { background: #9A5648; border-color: #9A5648; }  /* 陶土 */
.module-card.ready.mod-faq      { background: #5C6B52; border-color: #5C6B52; }  /* 鼠尾草 */
.module-card.ready.mod-sequence .m-name,
.module-card.ready.mod-anatomy  .m-name,
.module-card.ready.mod-faq      .m-name { color: #FBF7EE; }
.module-card.ready.mod-sequence .m-kicker,
.module-card.ready.mod-anatomy  .m-kicker,
.module-card.ready.mod-faq      .m-kicker { color: rgba(251,247,238,.78); }
.module-card.ready.mod-sequence .m-desc,
.module-card.ready.mod-anatomy  .m-desc,
.module-card.ready.mod-faq      .m-desc { color: rgba(251,247,238,.88); font-weight: 400; }
.module-card.ready.mod-sequence .m-arrow,
.module-card.ready.mod-anatomy  .m-arrow,
.module-card.ready.mod-faq      .m-arrow { color: #FBF7EE; opacity: .9; }

/* ── 柔光：隨傾斜柔順移動的視差光層（JS 以 lerp 控制 --lx/--ly）── */
.module-card.ready::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(95% 85% at var(--lx,50%) var(--ly,20%), rgba(255,255,255,.13), transparent 64%);
  opacity: 0; transition: opacity .55s ease;
}
.module-card.ready.lit::after { opacity: 1; }
.module-card.ready.pressing { filter: brightness(1.05); }

/* 卡內元素浮在卡面前方 → 傾斜時產生視差深度 */
.module-card > * { position: relative; z-index: 2; }
.module-card.ready .m-kicker,
.module-card.ready .m-name,
.module-card.ready .m-desc { transform: translateZ(24px); }
.module-card.ready .m-arrow { transform: translateZ(34px); }
.module-card.ready .m-status { transform: translateZ(44px); }

.module-card .m-kicker {
  font-family: var(--font-mono); font-size: .6rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px;
}
.module-card .m-name {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 700;
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: -0.01em;
}
.module-card.ready .m-name { color: var(--text); }
.module-card.coming .m-name { color: var(--text-dim); }
.module-card .m-desc { font-size: .84rem; color: var(--text-dim); font-weight: 300; line-height: 1.6; }
.module-card .m-arrow { position: absolute; right: 20px; bottom: 16px; color: var(--accent-2); opacity: .8; font-size: 1.1rem; }
.module-card .m-status {
  position: absolute; top: 16px; right: 16px; font-family: var(--font-mono);
  font-size: .56rem; letter-spacing: .14em; text-transform: uppercase;
  border-radius: var(--radius-pill); padding: 3px 9px;
  z-index: 3;
}
/* 開放中：白底綠字 */
.module-card .m-status.open { color: #2E7D4F; background: #fff; border: 1px solid #fff; font-weight: 600; }
.module-card .m-status.soon { color: var(--text-dim); border: 1px solid var(--surface2); background: transparent; }

/* ── 進場慢揭幕（僅 JS 加 .anim 後啟用；無 JS / reduce-motion 時卡片正常顯示）── */
.module-grid.anim .module-card { opacity: 0; transform: translateY(34px); transition: opacity 1s cubic-bezier(.16,1,.3,1), transform 1s cubic-bezier(.16,1,.3,1), box-shadow .3s; }
.module-grid.anim .module-card.in { opacity: 1; transform: translateY(0); }
.module-grid.anim .module-card.coming { opacity: 0; }
.module-grid.anim .module-card.coming.in { opacity: .55; }
/* 文字逐行淡入（只動 opacity，把 transform 留給視差）*/
.module-grid.anim .module-card > * { opacity: 0; }
.module-grid.anim .module-card.in > * { opacity: 1; transition: opacity .7s ease; }
.module-grid.anim .module-card.in .m-status { transition-delay: .20s; }
.module-grid.anim .module-card.in .m-kicker { transition-delay: .28s; }
.module-grid.anim .module-card.in .m-name  { transition-delay: .40s; }
.module-grid.anim .module-card.in .m-desc  { transition-delay: .54s; }
.module-grid.anim .module-card.in .m-arrow { transition-delay: .66s; }

/* 手機：進場只用淡入（把 transform 留給捲動視差）、transform 切換要快 */
/* 手機：transform/filter 由捲動每幀直接鎖定（不加過渡，否則會慢半拍像 lag）；淡入與光暈才有過渡 */
.module-grid.anim.is-touch .module-card { transform: none; transition: opacity 1s cubic-bezier(.16,1,.3,1), box-shadow .4s ease; }
.module-grid.anim.is-touch .module-card.in { transform: none; }
/* 手機改純「變大變小＋變暗」(無傾斜/透視) → 內容不做 3D 浮層 */
.module-grid.is-touch .module-card.ready > * { transform: none; }
/* 置中聚焦的卡：外圈柔光暈（含最後的 Coming Soon 卡）*/
.module-grid.is-touch .module-card.lit { box-shadow: 0 14px 46px -8px rgba(232,226,212,.26), 0 22px 46px -18px rgba(0,0,0,.5); }

/* ── 減少動畫偏好：全部靜態顯示 ── */
@media (prefers-reduced-motion: reduce) {
  .module-card { transition: none !important; }
  .module-grid.anim .module-card,
  .module-grid.anim .module-card > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .module-grid.anim .module-card.coming { opacity: .55 !important; }
}

/* ─── 表格（admin）─── */
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { text-align: left; padding: 11px 8px; border-bottom: 1px solid var(--surface2); }
th { color: var(--text-dim); font-family: var(--font-mono); font-weight: 500; font-size: .64rem; text-transform: uppercase; letter-spacing: .16em; }
.pill {
  display: inline-block; font-family: var(--font-mono); font-size: .6rem;
  padding: 2px 9px; border-radius: var(--radius-pill); border: 1px solid var(--surface2);
  text-transform: uppercase; letter-spacing: .16em; font-weight: 500;
}
.pill.active { color: var(--bg); background: var(--success); border-color: var(--success); }
.pill.disabled { color: var(--bg); background: var(--danger); border-color: var(--danger); }
.pill.admin { color: var(--bg); background: var(--level-inter); border-color: var(--level-inter); }

/* ─── footer ─── */
.footer-brand { display: flex; align-items: center; gap: 8px; justify-content: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--surface2); }
.footer-brand .footer-text { font-family: var(--font-mono); font-size: .64rem; color: var(--text-dim); letter-spacing: .14em; text-transform: uppercase; }
.footer-brand img { height: 22px; opacity: .8; }

.hidden { display: none !important; }

@media (max-width: 520px) {
  .quiz-grid { grid-template-columns: 1fr 1fr; }
}
