/* ============================================================
   Trick Lab Studio — 課程預約系統
   橙黑主題 · Glassmorphism · 卡片式瀏覽
   ============================================================ */

:root {
  --bg: #0a0a0c;
  --bg-2: #101014;
  --ink: #f5f3f0;
  --ink-dim: rgba(245, 243, 240, 0.62);
  --ink-faint: rgba(245, 243, 240, 0.38);
  --orange: #ff6a00;
  --orange-hi: #ff8b2e;
  --orange-soft: rgba(255, 106, 0, 0.14);
  --glass: rgba(255, 255, 255, 0.055);
  --glass-hi: rgba(255, 255, 255, 0.09);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-hi: rgba(255, 138, 46, 0.45);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --font-latin: "Space Grotesk", sans-serif;
  --font-tc: "Noto Sans TC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-tc), var(--font-latin);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--orange); color: #0a0a0c; }

[hidden] { display: none !important; }

/* ---------- 背景光暈 ---------- */
.bg-layer {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 85% -10%, rgba(255, 106, 0, 0.13), transparent),
    radial-gradient(ellipse 50% 40% at 8% 40%, rgba(255, 106, 0, 0.07), transparent),
    var(--bg);
}
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.orb-1 { width: 480px; height: 480px; top: -160px; right: -100px;
  background: radial-gradient(circle, rgba(255,106,0,0.35), transparent 70%); }
.orb-2 { width: 380px; height: 380px; top: 48%; left: -160px;
  background: radial-gradient(circle, rgba(255,138,46,0.18), transparent 70%); }
.orb-3 { width: 420px; height: 420px; bottom: -180px; right: 12%;
  background: radial-gradient(circle, rgba(255,106,0,0.14), transparent 70%); }
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 80%);
}

/* ---------- 玻璃擬態基底 ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.glass-inset {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
}

/* ---------- 按鈕（強對比 CTA） ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 700; font-size: 15px;
  padding: 13px 26px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  text-decoration: none; white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.2s ease, opacity 0.2s;
}
.btn--primary {
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  color: #120a04;
  box-shadow: 0 10px 32px rgba(255, 106, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 42px rgba(255, 106, 0, 0.55); }
.btn--primary:active { transform: translateY(0); }
.btn--primary:disabled { opacity: 0.35; cursor: not-allowed; transform: none; box-shadow: none; }
.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--glass-border);
  color: var(--ink);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.25); }
.btn--sm { padding: 9px 20px; font-size: 13.5px; }
.btn--lg { padding: 16px 34px; font-size: 16px; }
.btn--danger-ghost {
  background: transparent; border-color: rgba(255, 90, 60, 0.35); color: #ff7a5c;
  padding: 8px 16px; font-size: 13px;
}
.btn--danger-ghost:hover { background: rgba(255, 90, 60, 0.12); }

/* ---------- 導覽列 ---------- */
.nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  width: min(1140px, calc(100% - 32px));
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px 10px 18px; z-index: 100;
  border-radius: 999px;
}
.nav__logo { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.nav__logo-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 12px;
  font-family: var(--font-latin); font-weight: 700; font-size: 15px; color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 6px 18px rgba(255, 106, 0, 0.45);
}
.nav__logo-text { font-family: var(--font-latin); font-weight: 600; font-size: 16.5px; letter-spacing: 0.2px; }
.nav__logo-text em { font-style: normal; color: var(--orange-hi); }
.nav__links { display: flex; gap: 4px; }
.nav__links a {
  color: var(--ink-dim); text-decoration: none; font-size: 14.5px; font-weight: 500;
  padding: 8px 16px; border-radius: 999px; transition: color 0.2s, background 0.2s;
}
.nav__links a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.07); }

/* ---------- Hero ---------- */
.hero {
  max-width: 1140px; margin: 0 auto;
  padding: 170px 24px 90px;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center;
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500; color: var(--orange-hi);
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  padding: 6px 14px; border-radius: 999px;
}
.chip--glow { box-shadow: 0 0 24px rgba(255, 106, 0, 0.2); }
.hero__title {
  font-size: clamp(38px, 5.2vw, 60px); font-weight: 900; line-height: 1.18;
  letter-spacing: 0.5px; margin: 22px 0 18px;
}
.accent {
  background: linear-gradient(120deg, var(--orange-hi), var(--orange) 60%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__sub { color: var(--ink-dim); font-size: 16.5px; margin-bottom: 32px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 40px; margin-top: 48px; }
.stat strong { font-family: var(--font-latin); font-size: 26px; font-weight: 700; display: block; }
.stat strong i { font-style: normal; color: var(--orange); font-size: 18px; }
.stat span { color: var(--ink-faint); font-size: 13px; }

/* ---------- Hero 去背疊層 ---------- */
.hero__visual { position: relative; height: 420px; }
.float-card--back {
  position: absolute; top: 24px; right: -8px; width: 82%; height: 300px;
  transform: rotate(5deg); opacity: 0.55;
}
.float-card--mid {
  position: absolute; top: 60px; left: 0; width: 88%;
  padding: 26px; transform: rotate(-2deg);
  animation: floaty 7s ease-in-out infinite;
}
.float-card__row { display: flex; align-items: center; gap: 12px; padding: 10px 0; }
.float-card__row + .float-card__row { border-top: 1px solid rgba(255, 255, 255, 0.07); }
.float-card__row strong { display: block; font-size: 15px; }
.float-card__row small { color: var(--ink-faint); font-size: 12.5px; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot--orange { background: var(--orange); box-shadow: 0 0 12px var(--orange); }
.dot--white { background: rgba(255, 255, 255, 0.5); }
.float-card__bar {
  height: 6px; border-radius: 99px; background: rgba(255, 255, 255, 0.08);
  margin: 16px 0 8px; overflow: hidden;
}
.float-card__bar span {
  display: block; height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--orange-hi), var(--orange));
}
.float-card__note { color: var(--ink-faint); font-size: 12px; }
.float-badge {
  position: absolute; bottom: 34px; right: -6px;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px; border-radius: 16px;
  border-color: var(--glass-border-hi);
  animation: floaty 6s ease-in-out 1.2s infinite;
}
.float-badge__icon {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  color: #120a04; font-weight: 900;
  box-shadow: 0 0 20px rgba(255, 106, 0, 0.5);
}
.float-badge strong { display: block; font-size: 14px; }
.float-badge small { color: var(--ink-faint); font-size: 12px; font-family: var(--font-latin); }
.float-spade {
  position: absolute; top: -14px; left: 34%;
  font-size: 74px; color: var(--orange);
  text-shadow: 0 0 40px rgba(255, 106, 0, 0.6);
  transform: rotate(12deg);
  animation: floaty 8s ease-in-out 0.6s infinite;
}
@keyframes floaty {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -12px; }
}

/* ---------- Section 通用 ---------- */
.section { max-width: 1140px; margin: 0 auto; padding: 72px 24px; }
.section__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin-bottom: 36px;
}
.section__head--center { flex-direction: column; align-items: center; text-align: center; }
.section__eyebrow {
  font-family: var(--font-latin); font-size: 12.5px; font-weight: 600;
  letter-spacing: 3px; color: var(--orange);
}
.section__title { font-size: clamp(26px, 3.4vw, 36px); font-weight: 900; letter-spacing: 0.5px; }
.section__sub { color: var(--ink-dim); font-size: 15.5px; margin-top: 8px; }

/* ---------- 課程篩選 ---------- */
.filter { display: flex; gap: 8px; flex-wrap: wrap; }
.filter__btn {
  font-family: inherit; font-size: 13.5px; font-weight: 500;
  color: var(--ink-dim); background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border); border-radius: 999px;
  padding: 8px 18px; cursor: pointer;
  transition: all 0.2s ease;
}
.filter__btn:hover { color: var(--ink); background: rgba(255, 255, 255, 0.09); }
.filter__btn.is-active {
  color: #120a04; font-weight: 700;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(255, 106, 0, 0.35);
}

/* ---------- 課程卡片 ---------- */
.course-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr)); gap: 24px;
}
.course-card {
  position: relative; overflow: visible;
  padding: 0; display: flex; flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.3s ease;
}
.course-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-hi);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 106, 0, 0.12);
}
.course-card__art {
  position: relative; height: 120px; overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background:
    radial-gradient(ellipse 90% 130% at 80% -20%, rgba(255, 106, 0, 0.35), transparent 60%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.01));
  display: flex; align-items: center; justify-content: flex-end;
}
.course-card__glyph {
  font-size: 110px; line-height: 1; margin-right: 18px;
  color: rgba(255, 138, 46, 0.4);
  text-shadow: 0 0 50px rgba(255, 106, 0, 0.35);
  transform: rotate(-8deg) translateY(12px);
  user-select: none;
}
.course-card__cat {
  position: absolute; top: 14px; left: 16px;
  font-size: 12px; font-weight: 700; color: var(--orange-hi);
  background: rgba(10, 10, 12, 0.55); backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 106, 0, 0.35);
  padding: 4px 12px; border-radius: 999px;
}
.course-card__price {
  position: absolute; top: 96px; right: 18px; z-index: 2;
  font-family: var(--font-latin); font-weight: 700; font-size: 17px;
  color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  padding: 8px 16px; border-radius: 999px;
  box-shadow: 0 10px 26px rgba(255, 106, 0, 0.45);
}
.course-card__price small { font-size: 11px; font-weight: 500; }
.course-card__body { padding: 26px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.course-card__title { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.course-card__desc { color: var(--ink-dim); font-size: 13.5px; flex: 1; }
.course-card__meta {
  display: flex; gap: 16px; margin: 16px 0 18px;
  color: var(--ink-faint); font-size: 12.5px;
}
.course-card__meta span { display: inline-flex; align-items: center; gap: 5px; }
.course-card__meta svg { width: 14px; height: 14px; stroke: var(--orange); }
.course-card .btn { width: 100%; }

/* ---------- 預約精靈 ---------- */
.wizard { max-width: 780px; margin: 0 auto; padding: 36px clamp(20px, 4vw, 44px) 30px; }
.wizard__steps { display: flex; align-items: center; gap: 10px; margin-bottom: 34px; }
.wstep { display: flex; align-items: center; gap: 9px; flex: none; }
.wstep__num {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  font-family: var(--font-latin); font-weight: 700; font-size: 14px;
  background: rgba(255, 255, 255, 0.07); border: 1px solid var(--glass-border);
  color: var(--ink-faint); transition: all 0.3s ease;
}
.wstep__label { font-size: 13.5px; color: var(--ink-faint); transition: color 0.3s; }
.wstep.is-active .wstep__num, .wstep.is-done .wstep__num {
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  border-color: transparent; color: #120a04;
  box-shadow: 0 0 18px rgba(255, 106, 0, 0.4);
}
.wstep.is-active .wstep__label { color: var(--ink); font-weight: 700; }
.wstep.is-done .wstep__label { color: var(--ink-dim); }
.wstep__line { flex: 1; height: 1px; background: rgba(255, 255, 255, 0.1); overflow: hidden; border-radius: 99px; }
.wstep__line span { display: block; height: 100%; width: 0; background: var(--orange); transition: width 0.4s ease; }
.wstep__line.is-done span { width: 100%; }

.wizard__panel { display: none; animation: panelIn 0.35s ease; }
.wizard__panel.is-active { display: block; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.wizard__subtitle { font-size: 15px; font-weight: 700; margin: 22px 0 12px; }
.wizard__subtitle small { color: var(--ink-faint); font-weight: 400; font-size: 12.5px; }

/* Step 1 選課卡 */
.pick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.pick-card {
  text-align: left; font-family: inherit; cursor: pointer;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09); border-radius: var(--radius-sm);
  padding: 16px 18px; color: var(--ink);
  transition: all 0.2s ease;
}
.pick-card:hover { background: rgba(255, 255, 255, 0.08); }
.pick-card.is-selected {
  border-color: var(--orange);
  background: var(--orange-soft);
  box-shadow: 0 0 0 1px var(--orange), 0 8px 28px rgba(255, 106, 0, 0.2);
}
.pick-card__cat { font-size: 11.5px; color: var(--orange-hi); font-weight: 700; }
.pick-card__name { display: block; font-size: 15px; font-weight: 700; margin: 3px 0 6px; }
.pick-card__meta { font-size: 12px; color: var(--ink-faint); font-family: var(--font-latin); }

/* Step 2 日期 / 時段 */
.picked-summary {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 18px; margin-bottom: 6px;
  font-size: 13.5px; color: var(--ink-dim);
}
.picked-summary strong { color: var(--ink); font-size: 14.5px; }
.picked-summary .sep { color: var(--ink-faint); }
.picked-summary .tag { color: var(--orange-hi); font-weight: 700; }
.date-strip {
  display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 12px;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.2) transparent;
}
.date-chip {
  flex: none; width: 74px; text-align: center; cursor: pointer;
  font-family: inherit; color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 14px;
  padding: 12px 6px; transition: all 0.2s ease;
}
.date-chip small { display: block; font-size: 11px; color: var(--ink-faint); }
.date-chip strong { display: block; font-family: var(--font-latin); font-size: 20px; font-weight: 700; margin: 2px 0; }
.date-chip span { font-size: 11px; color: var(--ink-faint); }
.date-chip:hover:not(:disabled) { background: rgba(255, 255, 255, 0.09); }
.date-chip.is-selected {
  background: linear-gradient(160deg, var(--orange-hi), var(--orange));
  border-color: transparent;
  box-shadow: 0 10px 26px rgba(255, 106, 0, 0.4);
}
.date-chip.is-selected small, .date-chip.is-selected span, .date-chip.is-selected strong { color: #120a04; }
.date-chip:disabled { opacity: 0.3; cursor: not-allowed; }
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(108px, 1fr)); gap: 10px; }
.slot-btn {
  font-family: var(--font-latin); font-size: 14.5px; font-weight: 600;
  color: var(--ink); cursor: pointer;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09); border-radius: var(--radius-sm);
  padding: 12px 8px; transition: all 0.2s ease;
  position: relative;
}
.slot-btn:hover:not(:disabled) { background: rgba(255, 255, 255, 0.09); }
.slot-btn.is-selected {
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  border-color: transparent; color: #120a04;
  box-shadow: 0 8px 22px rgba(255, 106, 0, 0.4);
}
.slot-btn:disabled { opacity: 0.3; cursor: not-allowed; text-decoration: line-through; }
.slot-btn:disabled::after {
  content: "額滿"; position: absolute; top: -7px; right: -4px;
  font-family: var(--font-tc); font-size: 10px; font-weight: 700; text-decoration: none;
  color: #ff7a5c; background: rgba(255, 90, 60, 0.15);
  border: 1px solid rgba(255, 90, 60, 0.3);
  padding: 1px 7px; border-radius: 99px;
}
.slot-empty { grid-column: 1 / -1; color: var(--ink-faint); font-size: 13.5px; text-align: center; padding: 18px 0; }

/* Step 3 表單 */
.form { margin-top: 4px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; }
.field label small { color: var(--ink-faint); font-weight: 400; }
.field input, .field textarea {
  width: 100%; font-family: inherit; font-size: 14.5px; color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.11); border-radius: var(--radius-sm);
  padding: 13px 16px; outline: none; resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field textarea:focus {
  border-color: var(--orange);
  background: rgba(255, 106, 0, 0.06);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.18);
}
.field.has-error input { border-color: #ff5a3c; box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15); }
.field__err { display: none; color: #ff7a5c; font-size: 12px; margin-top: 5px; }
.field.has-error .field__err { display: block; }

/* 精靈導覽列 */
.wizard__nav {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-top: 30px; padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.wizard__hint { color: var(--ink-faint); font-size: 13px; text-align: center; flex: 1; }

/* ---------- 我的預約 ---------- */
.booking-list { display: flex; flex-direction: column; gap: 14px; }
.booking-item {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 20px 24px;
}
.booking-item__date {
  flex: none; text-align: center; width: 64px;
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 14px; padding: 9px 4px;
}
.booking-item__date strong { display: block; font-family: var(--font-latin); font-size: 21px; color: var(--orange-hi); line-height: 1.1; }
.booking-item__date small { font-size: 11px; color: var(--ink-dim); }
.booking-item__info { flex: 1; min-width: 200px; }
.booking-item__info strong { display: block; font-size: 16px; }
.booking-item__info small { color: var(--ink-faint); font-size: 12.5px; font-family: var(--font-latin); }
.booking-item__status {
  font-size: 12px; font-weight: 700; color: #57e39b;
  background: rgba(87, 227, 155, 0.1); border: 1px solid rgba(87, 227, 155, 0.3);
  padding: 5px 13px; border-radius: 999px;
}
.booking-empty {
  text-align: center; padding: 52px 24px; color: var(--ink-faint);
}
.booking-empty .btn { margin-top: 18px; }

/* ---------- 頁尾 ---------- */
.footer {
  max-width: 1140px; margin: 24px auto 32px;
  width: calc(100% - 48px);
  padding: 34px 38px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__brand strong { display: block; font-size: 16px; }
.footer__brand small { color: var(--ink-faint); font-size: 12.5px; }
.footer__info { display: flex; gap: 28px; flex-wrap: wrap; font-size: 13px; color: var(--ink-dim); }
.footer__info span { color: var(--orange); font-weight: 700; margin-right: 8px; font-size: 12px; }
.footer__copy { width: 100%; color: var(--ink-faint); font-size: 12px; border-top: 1px solid rgba(255,255,255,0.07); padding-top: 18px; }

/* ---------- 成功彈窗 ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(5, 5, 7, 0.72); backdrop-filter: blur(8px); }
.modal__card {
  position: relative; width: min(440px, 100%); text-align: center;
  padding: 40px 34px 32px;
  animation: modalIn 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
.modal__check { width: 76px; height: 76px; margin: 0 auto 18px; }
.modal__check svg { width: 100%; height: 100%; }
.modal__check circle {
  stroke: var(--orange); stroke-width: 2.5;
  stroke-dasharray: 151; stroke-dashoffset: 151;
  animation: draw 0.6s ease forwards;
  filter: drop-shadow(0 0 10px rgba(255, 106, 0, 0.6));
}
.modal__check path {
  stroke: var(--orange-hi); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 36; stroke-dashoffset: 36;
  animation: draw 0.4s ease 0.5s forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
.modal__card h3 { font-size: 23px; font-weight: 900; }
.modal__code {
  font-family: var(--font-latin); font-size: 15px; font-weight: 600;
  color: var(--orange-hi); letter-spacing: 2px; margin: 6px 0 18px;
}
.modal__summary { text-align: left; padding: 16px 20px; font-size: 13.5px; color: var(--ink-dim); }
.modal__summary strong { color: var(--ink); }
.modal__summary div { padding: 3px 0; }
.modal__note { color: var(--ink-faint); font-size: 12.5px; margin: 16px 0 22px; }
.modal__pay { text-align: left; padding: 16px 20px; margin-top: 12px; font-size: 13px; }
.modal__pay-title { display: block; font-size: 14.5px; color: var(--orange-hi); margin-bottom: 10px; }
.modal__pay-row {
  display: flex; gap: 10px; padding: 6px 0; color: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06); word-break: break-all;
}
.modal__pay-row span { flex: none; width: 88px; color: var(--ink-faint); font-weight: 700; }
.modal__pay-note { display: block; color: var(--ink-faint); font-size: 11.5px; margin-top: 8px; }
.modal__pay-upload {
  display: block; text-align: center; cursor: pointer;
  font-size: 13.5px; font-weight: 700; color: var(--orange-hi);
  background: var(--orange-soft); border: 1px dashed rgba(255, 106, 0, 0.45);
  border-radius: 12px; padding: 13px; margin-top: 12px;
  transition: background 0.2s;
}
.modal__pay-upload:hover { background: rgba(255, 106, 0, 0.2); }
.modal__pay-upload input { display: none; }
.modal__pay-done {
  text-align: center; font-size: 13.5px; font-weight: 700; color: #57e39b;
  background: rgba(87, 227, 155, 0.1); border: 1px solid rgba(87, 227, 155, 0.3);
  border-radius: 12px; padding: 13px; margin-top: 12px;
}
.modal__card .btn { width: 100%; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translate(-50%, 80px); opacity: 0;
  background: rgba(20, 20, 24, 0.85); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-hi); border-radius: 999px;
  color: var(--ink); font-size: 14px; font-weight: 500;
  padding: 12px 26px; z-index: 300; pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.1), opacity 0.3s;
}
.toast.is-show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- 課程卡片：時間表與方案 ---------- */
.course-card__term {
  font-size: 12.5px; font-weight: 500; color: var(--orange-hi);
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  padding: 3px 10px; border-radius: 999px; vertical-align: 3px; white-space: nowrap;
}
.course-card__sched {
  margin: 16px 0 14px; border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.sched-row {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 0; font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.sched-row__day {
  flex: none; width: 44px; text-align: center;
  font-size: 12px; font-weight: 700; color: var(--orange-hi);
  background: var(--orange-soft); border-radius: 8px; padding: 3px 0;
}
.sched-row__time { font-family: var(--font-latin); font-weight: 600; color: var(--ink); }
.sched-row__teacher { color: var(--ink-dim); flex: 1; }
.sched-row__tag {
  font-size: 11px; font-weight: 700; color: var(--orange-hi);
  border: 1px solid rgba(255, 106, 0, 0.35); border-radius: 999px;
  padding: 2px 9px; white-space: nowrap;
}
.plan-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.plan-chip-s {
  font-size: 12px; color: var(--ink-dim);
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px; padding: 5px 12px;
}
.plan-chip-s strong { color: var(--orange-hi); font-family: var(--font-latin); }
.plan-chip-s small { color: var(--ink-faint); }
.course-card__note { color: var(--ink-faint); font-size: 11.5px; margin-top: 8px; }

/* ---------- 檢視切換 ---------- */
.view-toggle {
  display: flex; gap: 4px; padding: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border); border-radius: 999px;
}
.view-toggle__btn {
  font-family: inherit; font-size: 13.5px; font-weight: 500;
  color: var(--ink-dim); background: none; border: none;
  border-radius: 999px; padding: 8px 18px; cursor: pointer;
  transition: all 0.2s ease;
}
.view-toggle__btn.is-active {
  color: #120a04; font-weight: 700;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 6px 18px rgba(255, 106, 0, 0.35);
}

/* ---------- 課堂日曆 ---------- */
.cal-nav { display: flex; align-items: center; gap: 12px; }
.cal-nav--bar { justify-content: flex-end; margin-bottom: 14px; }
.cal-nav__range { font-family: var(--font-latin); font-weight: 600; font-size: 14px; color: var(--ink-dim); min-width: 130px; text-align: center; }
.cal-nav .btn:disabled { opacity: 0.3; cursor: not-allowed; }
.cal-wrap { overflow-x: auto; padding-bottom: 8px; }
.cal-grid {
  display: grid; grid-template-columns: repeat(7, minmax(148px, 1fr)); gap: 10px;
  min-width: 1100px;
}
.cal-day {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 16px;
  padding: 10px; display: flex; flex-direction: column; gap: 8px;
  min-height: 140px;
}
.cal-day.is-today { border-color: rgba(255, 106, 0, 0.5); background: rgba(255, 106, 0, 0.05); }
.cal-day.is-past { opacity: 0.45; }
.cal-day__head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 2px 4px 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.cal-day__head span { font-size: 12px; color: var(--ink-faint); }
.cal-day__head strong { font-family: var(--font-latin); font-size: 15px; }
.cal-day.is-today .cal-day__head strong { color: var(--orange-hi); }
.cal-day__empty { color: var(--ink-faint); font-size: 12px; text-align: center; padding: 20px 0; }
.cal-chip {
  display: flex; flex-direction: column; gap: 2px; text-align: left;
  font-family: inherit; color: var(--ink); cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 11px;
  padding: 9px 11px; transition: all 0.18s ease;
}
.cal-chip:hover:not(:disabled) {
  background: var(--orange-soft); border-color: rgba(255, 106, 0, 0.45);
  transform: translateY(-2px);
}
.cal-chip:disabled { cursor: not-allowed; }
.cal-chip__time { font-family: var(--font-latin); font-weight: 700; font-size: 13px; color: var(--orange-hi); }
.cal-chip__name { font-size: 12.5px; font-weight: 700; line-height: 1.35; }
.cal-chip__meta { font-size: 11px; color: var(--ink-faint); }
.cal-badge {
  align-self: flex-start; font-size: 10.5px; font-weight: 700;
  border-radius: 999px; padding: 2px 8px; margin-top: 3px;
}
.cal-badge--ok { color: #57e39b; background: rgba(87, 227, 155, 0.1); border: 1px solid rgba(87, 227, 155, 0.3); }
.cal-badge--low { color: var(--orange-hi); background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.35); }
.cal-badge--full { color: #ff7a5c; background: rgba(255, 90, 60, 0.12); border: 1px solid rgba(255, 90, 60, 0.35); }
.cal-badge--term { color: var(--ink-dim); background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.15); }

/* 日期籌碼上的剩餘名額 */
.date-chip { position: relative; }
.date-chip__rem {
  display: block; font-style: normal; font-size: 10px; font-weight: 700;
  color: #57e39b; margin-top: 2px;
}
.date-chip__rem.is-low { color: var(--orange-hi); }
.date-chip__rem.is-full { color: #ff7a5c; }
.date-chip.is-selected .date-chip__rem { color: #120a04; }
.booking-item__status.is-wait {
  color: var(--orange-hi); background: var(--orange-soft); border-color: rgba(255, 106, 0, 0.35);
}

/* ---------- 精靈：班次選擇 ---------- */
.class-list { display: flex; flex-direction: column; gap: 10px; }
.class-card {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  text-align: left; font-family: inherit; cursor: pointer; color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09); border-radius: var(--radius-sm);
  padding: 13px 16px; transition: all 0.2s ease;
}
.class-card:hover { background: rgba(255, 255, 255, 0.08); }
.class-card.is-selected {
  border-color: var(--orange); background: var(--orange-soft);
  box-shadow: 0 0 0 1px var(--orange), 0 8px 28px rgba(255, 106, 0, 0.2);
}
.class-card__day {
  flex: none; width: 46px; text-align: center;
  font-size: 12.5px; font-weight: 700; color: var(--orange-hi);
  background: var(--orange-soft); border-radius: 8px; padding: 4px 0;
}
.class-card__time { font-family: var(--font-latin); font-weight: 700; font-size: 15px; }
.class-card__teacher { color: var(--ink-dim); font-size: 13px; flex: 1; }
.term-note {
  padding: 16px 20px; margin-top: 18px;
  font-size: 13.5px; color: var(--ink-dim);
}
.term-note strong { color: var(--orange-hi); }

/* ---------- 精靈：收費方案 ---------- */
.plan-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px; margin-bottom: 8px;
}
.plan-card {
  text-align: center; font-family: inherit; cursor: pointer; color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09); border-radius: var(--radius-sm);
  padding: 14px 10px; transition: all 0.2s ease;
  display: flex; flex-direction: column; gap: 3px;
}
.plan-card:hover { background: rgba(255, 255, 255, 0.08); }
.plan-card.is-selected {
  border-color: var(--orange); background: var(--orange-soft);
  box-shadow: 0 0 0 1px var(--orange), 0 8px 28px rgba(255, 106, 0, 0.2);
}
.plan-card__label { font-size: 13px; font-weight: 700; }
.plan-card__price { font-family: var(--font-latin); font-size: 19px; font-weight: 700; color: var(--orange-hi); }
.plan-card__note { font-size: 11px; color: var(--ink-faint); }
.course-notes { margin-bottom: 18px; }
.course-notes small { color: var(--ink-faint); font-size: 12px; }

/* ---------- 成就表 ---------- */
.demo-tag {
  font-size: 12px; font-weight: 500; color: var(--ink-faint);
  border: 1px dashed rgba(255, 255, 255, 0.25); border-radius: 999px;
  padding: 4px 12px; vertical-align: 6px; white-space: nowrap;
}
.ach-summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
  padding: 24px 28px; margin-bottom: 34px;
}
.ach-summary__id { display: flex; align-items: center; gap: 16px; }
.ach-summary__avatar {
  display: grid; place-items: center; flex: none;
  width: 54px; height: 54px; border-radius: 50%;
  font-size: 22px; font-weight: 900; color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 8px 24px rgba(255, 106, 0, 0.4);
}
.ach-summary__id strong { font-size: 17px; }
.ach-summary__id strong small { color: var(--ink-faint); font-weight: 400; font-size: 12px; margin-left: 6px; }
.title-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.title-chip {
  display: inline-block; font-size: 11.5px; font-weight: 500; color: var(--orange-hi);
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 999px; padding: 3px 11px; width: fit-content;
}
.title-chip.is-dim {
  color: var(--ink-faint); background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}
.ach-summary__level { flex: 1; min-width: 260px; max-width: 420px; }
.ach-summary__row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.ach-summary__lvname { font-weight: 700; font-size: 15px; color: var(--orange-hi); }
.ach-summary__pts { color: var(--ink-dim); font-size: 13px; }
.ach-summary__pts strong { font-family: var(--font-latin); font-size: 22px; color: var(--ink); }
.ach-bar {
  height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.08); overflow: hidden;
}
.ach-bar span {
  display: block; height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--orange-hi), var(--orange));
  box-shadow: 0 0 12px rgba(255, 106, 0, 0.5);
  transition: width 0.6s ease;
}
.ach-bar--sm { height: 5px; margin-top: 10px; }
.ach-summary__next { display: block; color: var(--ink-faint); font-size: 12px; margin-top: 8px; }
.ach-group { margin-bottom: 30px; }
.ach-group__head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.ach-group__head h3 { font-size: 16px; font-weight: 700; color: var(--orange-hi); }
.ach-group__head small { color: var(--ink-faint); font-size: 12.5px; }
.ach-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px;
}
.ach-card {
  position: relative; display: flex; flex-direction: column; gap: 7px;
  padding: 18px; transition: transform 0.2s ease, border-color 0.2s ease;
}
.ach-card:hover { transform: translateY(-3px); }
.ach-card.is-unlocked {
  border-color: rgba(255, 106, 0, 0.4);
  background: linear-gradient(160deg, rgba(255, 106, 0, 0.08), rgba(255, 255, 255, 0.03));
}
.ach-card__top { display: flex; align-items: center; justify-content: space-between; }
.ach-card__icon { font-size: 34px; line-height: 1; }
.ach-card__icon img { width: 34px; height: 34px; object-fit: contain; display: block; }
.ach-card.is-locked .ach-card__icon { filter: grayscale(1) brightness(0.75); opacity: 0.5; }

/* 圓形成就圖示（黑白 ↔ 彩色） */
.ach-ic {
  display: grid; place-items: center; flex: none;
  width: 48px; height: 48px; border-radius: 50%; overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.ach-ic img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ach-ic--desat img { filter: grayscale(1) brightness(0.8); opacity: 0.6; }
.ach-ic--ph {
  font-size: 19px; font-weight: 900; color: #120a04; border: none;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 6px 18px rgba(255, 106, 0, 0.3);
}
.ach-ic--ph.is-gray {
  background: linear-gradient(135deg, #6d6d72, #47474c);
  color: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}
.ach-summary__avatar--gray { filter: grayscale(1); opacity: 0.9; }
.ach-summary__avatar--gray svg { width: 26px; height: 26px; }
.ach-summary__intro { color: var(--ink-dim); font-size: 13.5px; line-height: 1.8; margin-bottom: 8px; }
.ach-summary__intro strong { color: var(--orange-hi); }
.ach-summary__level--wide { max-width: 560px; }
.ach-perks {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px; margin-bottom: 12px;
}
.ach-perk {
  display: flex; align-items: flex-start; gap: 11px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 13px;
  padding: 12px 14px;
}
.ach-perk__ic {
  display: grid; place-items: center; flex: none;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  color: var(--orange-hi);
}
.ach-perk__ic svg { width: 17px; height: 17px; }
.ach-perk strong { display: block; font-size: 13.5px; }
.ach-perk small { color: var(--ink-faint); font-size: 11.5px; line-height: 1.5; display: block; margin-top: 2px; }
.ach-card__points {
  font-family: var(--font-latin); font-size: 13px; font-weight: 700; color: var(--orange-hi);
  background: var(--orange-soft); border-radius: 999px; padding: 3px 10px;
}
.ach-card.is-locked .ach-card__points { color: var(--ink-faint); background: rgba(255, 255, 255, 0.05); }
.ach-card__name { font-size: 14.5px; }
.ach-card.is-locked .ach-card__name { color: var(--ink-dim); }
.ach-card__prog { font-family: var(--font-latin); font-size: 11.5px; color: var(--ink-faint); }
.ach-card__status { font-size: 11.5px; color: var(--ink-faint); margin-top: auto; padding-top: 4px; }
.ach-card.is-unlocked .ach-card__status { color: #57e39b; font-weight: 700; }

/* ---------- 公告欄 ---------- */
.section--tight { padding-top: 0; padding-bottom: 30px; }
.ann-list { display: flex; flex-direction: column; gap: 12px; }
.ann-item {
  display: flex; align-items: flex-start; gap: 12px 14px; flex-wrap: wrap;
  padding: 16px 20px;
}
.ann-item.is-pinned {
  border-color: rgba(255, 106, 0, 0.45);
  background: linear-gradient(160deg, rgba(255, 106, 0, 0.09), rgba(255, 255, 255, 0.03));
}
.ann-item__tag {
  flex: none; font-size: 11.5px; font-weight: 700;
  color: var(--orange-hi); background: var(--orange-soft);
  border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 999px; padding: 3px 11px; margin-top: 2px;
}
.ann-item__tag--停課 { color: #ff7a5c; background: rgba(255, 90, 60, 0.12); border-color: rgba(255, 90, 60, 0.35); }
.ann-item__tag--優惠 { color: #57e39b; background: rgba(87, 227, 155, 0.1); border-color: rgba(87, 227, 155, 0.3); }
.ann-item__body { flex: 1; min-width: 180px; }
.ann-item__body strong { display: block; font-size: 15px; }
.ann-item__body p { color: var(--ink-dim); font-size: 13.5px; margin-top: 5px; }
.ann-item__date { flex: none; color: var(--ink-faint); font-size: 12px; font-family: var(--font-latin); }

/* ---------- 關於 Tricking ---------- */
.about-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 22px;
}
.about-card { padding: 30px 30px 28px; }
.about-card__icon {
  display: inline-grid; place-items: center;
  width: 52px; height: 52px; border-radius: 16px; font-size: 26px;
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  margin-bottom: 16px;
}
.about-card h3 { font-size: 19px; font-weight: 900; margin-bottom: 12px; }
.about-card p { color: var(--ink-dim); font-size: 14.5px; line-height: 1.85; }

/* 圓形 logo */
.nav__logo-mark.is-circle, .nav__logo-mark.is-circle img { border-radius: 50%; }

/* ---------- 場地 ---------- */
.venue-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr)); gap: 22px;
}
.venue-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.venue-card__photo {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  display: grid; place-items: center; font-size: 44px;
  background:
    radial-gradient(ellipse 90% 130% at 75% -20%, rgba(255, 106, 0, 0.28), transparent 60%),
    rgba(255, 255, 255, 0.03);
}
.venue-card__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.venue-card__body { padding: 22px 24px 24px; position: relative; }
.venue-card__badge {
  position: absolute; top: -16px; left: 22px;
  font-size: 12px; font-weight: 700; color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  padding: 6px 16px; border-radius: 999px;
  box-shadow: 0 8px 22px rgba(255, 106, 0, 0.4);
}
.venue-card__body h3 { font-size: 19px; font-weight: 900; margin: 8px 0 4px; }
.venue-card__body p { color: var(--ink-dim); font-size: 14px; }
.venue-card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 18px; }
.venue-card__tags span {
  font-size: 12px; color: var(--orange-hi);
  background: var(--orange-soft); border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 999px; padding: 4px 12px;
}

/* ---------- Tricks Library 動作庫 ---------- */
.lib-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px;
}
.lib-card {
  display: flex; flex-direction: column; text-align: left;
  font-family: inherit; color: var(--ink); cursor: pointer;
  padding: 0; overflow: hidden;
  transition: transform 0.2s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.lib-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hi);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.45), 0 0 30px rgba(255, 106, 0, 0.1);
}
.lib-card__thumb {
  position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 120% at 70% -20%, rgba(255, 106, 0, 0.25), transparent 60%),
    rgba(255, 255, 255, 0.03);
}
.lib-card__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lib-card__ph {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 34px; color: rgba(255, 138, 46, 0.4);
}
.lib-card__play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 50%;
  font-size: 16px; color: #120a04; padding-left: 3px;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 8px 26px rgba(255, 106, 0, 0.55);
  transition: transform 0.2s ease;
}
.lib-card:hover .lib-card__play { transform: translate(-50%, -50%) scale(1.12); }
.lib-card__soon {
  position: absolute; right: 10px; bottom: 10px;
  font-size: 11px; font-weight: 700; color: var(--ink-dim);
  background: rgba(10, 10, 12, 0.65); backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 3px 10px; border-radius: 999px;
}
.lib-card__body { padding: 14px 16px 16px; display: block; }
.lib-card__body strong { display: block; font-size: 15px; margin-bottom: 4px; }
.lib-card__body small { color: var(--ink-faint); font-size: 12.5px; line-height: 1.5; display: block; }

/* 影片播放彈窗 */
.video-modal__card {
  position: relative; width: min(760px, 100%);
  padding: 14px 14px 22px;
  animation: modalIn 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
.video-modal__close {
  position: absolute; top: -14px; right: -10px; z-index: 2;
  width: 36px; height: 36px; border-radius: 50%;
  font-size: 15px; font-weight: 700; color: #120a04; cursor: pointer;
  border: none; background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 8px 22px rgba(255, 106, 0, 0.5);
}
.video-holder {
  aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden;
  background: #000;
}
.video-holder iframe, .video-holder video { width: 100%; height: 100%; border: 0; display: block; }
.video-holder__empty {
  height: 100%; display: grid; place-items: center;
  color: var(--ink-dim); font-size: 15px;
}
.video-modal__card h3 { font-size: 18px; font-weight: 900; margin: 14px 4px 4px; }
.video-modal__card p { color: var(--ink-dim); font-size: 13.5px; margin: 0 4px; }

/* ---------- 導師團隊 ---------- */
.teacher-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px;
}
.teacher-card {
  display: flex; align-items: flex-start; gap: 16px; padding: 22px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.teacher-card:hover { transform: translateY(-4px); border-color: var(--glass-border-hi); }
.teacher-card__photo {
  width: 62px; height: 62px; border-radius: 50%; object-fit: cover; flex: none;
  border: 2px solid rgba(255, 106, 0, 0.4);
}
.teacher-card__ph {
  display: grid; place-items: center; flex: none;
  width: 62px; height: 62px; border-radius: 50%;
  font-size: 24px; font-weight: 900; color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 8px 22px rgba(255, 106, 0, 0.35);
}
.teacher-card__body { min-width: 0; }
.teacher-card__body strong { display: block; font-size: 16.5px; }
.teacher-card__body small { color: var(--orange-hi); font-size: 12px; font-weight: 700; }
.teacher-card__body p { color: var(--ink-dim); font-size: 13px; margin-top: 8px; }
.teacher-card__classes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.teacher-card__classes span {
  font-size: 11px; color: var(--ink-faint);
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px; padding: 3px 10px;
}

/* ---------- 後台自訂 Logo ---------- */
.nav__logo-mark.has-img { background: none; box-shadow: none; }
.nav__logo-mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; display: block; }
.course-card__logo {
  height: 84px; max-width: 55%; object-fit: contain;
  margin-right: 22px; filter: drop-shadow(0 8px 24px rgba(255, 106, 0, 0.3));
}
.ach-summary__avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }
.ach-card__icon img.gray { filter: grayscale(1) brightness(0.75); opacity: 0.5; }
.footer__admin { color: var(--ink-faint); text-decoration: none; margin-left: 10px; }
.footer__admin:hover { color: var(--orange-hi); }
.footer__ig {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--ink); text-decoration: none; font-size: 13px; font-weight: 700;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--glass-border);
  border-radius: 999px; padding: 7px 15px;
  transition: all 0.2s ease;
}
.footer__ig svg { width: 16px; height: 16px; color: var(--orange-hi); }
.footer__ig:hover { border-color: var(--glass-border-hi); background: var(--orange-soft); }

/* ---------- 登入／註冊 ---------- */
#nav-auth.is-user { border-color: rgba(255, 106, 0, 0.4); color: var(--orange-hi); }
.auth-card {
  position: relative; width: min(400px, 100%);
  padding: 28px 26px 22px;
  animation: modalIn 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.15);
}
.auth-tabs {
  display: flex; gap: 4px; padding: 4px; margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border); border-radius: 999px;
}
.auth-tab {
  flex: 1; font-family: inherit; font-size: 14px; font-weight: 500;
  color: var(--ink-dim); background: none; border: none;
  border-radius: 999px; padding: 9px; cursor: pointer;
  transition: all 0.2s ease;
}
.auth-tab.is-active {
  color: #120a04; font-weight: 700;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
}
.auth-submit { width: 100%; margin-top: 4px; }
.auth-err { color: #ff7a5c; font-size: 12.5px; min-height: 18px; margin-top: 8px; text-align: center; }
.auth-divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--ink-faint); font-size: 12px; margin: 4px 0 12px;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; height: 1px; background: rgba(255, 255, 255, 0.1);
}
.auth-google { width: 100%; gap: 10px; }
.auth-google svg { width: 18px; height: 18px; }
.auth-note { color: var(--ink-faint); font-size: 11.5px; text-align: center; margin-top: 14px; }

/* ---------- 帳戶資訊彈窗 ---------- */
.account-card { text-align: center; }
.account-card__avatar {
  display: grid; place-items: center; margin: 0 auto 12px;
  width: 64px; height: 64px; border-radius: 50%;
  font-size: 26px; font-weight: 900; color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  box-shadow: 0 10px 28px rgba(255, 106, 0, 0.4);
}
.account-card h3 { font-size: 20px; font-weight: 900; }
.account-card__email { color: var(--ink-faint); font-size: 13px; margin: 2px 0 10px; }
.account-card__role {
  display: inline-block; font-size: 12px; font-weight: 700;
  color: var(--orange-hi); background: var(--orange-soft);
  border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 999px; padding: 4px 14px;
}
.account-card__stats {
  display: flex; justify-content: space-around; gap: 8px;
  padding: 14px 10px; margin: 16px 0 0;
}
.account-card__stats strong { display: block; font-family: var(--font-latin); font-size: 18px; color: var(--orange-hi); }
.account-card__stats span { font-size: 11px; color: var(--ink-faint); }
.account-card__admin { width: 100%; margin-top: 14px; }
.account-card__actions { display: flex; gap: 10px; margin-top: 16px; }
.account-card__actions .btn { flex: 1; }

/* ---------- 聯絡方式摺疊按鈕 ---------- */
.contact-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 150;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.contact-fab__main {
  display: grid; place-items: center; cursor: pointer;
  width: 58px; height: 58px; border-radius: 50%; border: none;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  color: #120a04;
  box-shadow: 0 12px 32px rgba(255, 106, 0, 0.45), 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.25s ease;
}
.contact-fab__main svg { width: 27px; height: 27px; }
.contact-fab:hover .contact-fab__main,
.contact-fab.is-open .contact-fab__main {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 18px 42px rgba(255, 106, 0, 0.55), 0 6px 16px rgba(0, 0, 0, 0.4);
}
.contact-fab__items {
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  opacity: 0; transform: translateY(12px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.28s cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
.contact-fab:hover .contact-fab__items,
.contact-fab.is-open .contact-fab__items {
  opacity: 1; transform: none; pointer-events: auto;
}
.contact-fab__item {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.contact-fab__label {
  font-size: 12.5px; font-weight: 700; color: var(--ink);
  background: rgba(20, 20, 24, 0.88); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}
.contact-fab__ic {
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%; color: #fff;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  transition: transform 0.18s ease;
}
.contact-fab__item:hover .contact-fab__ic { transform: scale(1.1); }
.contact-fab__ic svg { width: 24px; height: 24px; }
.contact-fab__item--wa .contact-fab__ic { background: #25d366; }
.contact-fab__item--ig .contact-fab__ic {
  background: linear-gradient(45deg, #f09433, #e6683c 40%, #dc2743 60%, #bc1888);
}

/* ---------- 分頁系統與動畫 ---------- */
[data-page]:not(.page-active) { display: none !important; }
.page-active { animation: pageIn 0.45s cubic-bezier(0.2, 0.8, 0.3, 1) both; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item) {
  animation: rise 0.5s ease both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item):nth-child(2) { animation-delay: 0.07s; }
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item):nth-child(3) { animation-delay: 0.14s; }
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item):nth-child(4) { animation-delay: 0.21s; }
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item):nth-child(5) { animation-delay: 0.28s; }
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item):nth-child(6) { animation-delay: 0.35s; }
.page-active :is(.course-card, .teacher-card, .lib-card, .ach-card, .about-card, .ann-item, .booking-item):nth-child(n+7) { animation-delay: 0.42s; }

.nav__links a.is-active { color: var(--orange-hi); background: var(--orange-soft); font-weight: 700; }

/* 導覽下拉（成就紀錄 → 獎品換領） */
.nav__item { position: relative; display: inline-flex; }
.nav__caret { font-style: normal; font-size: 9px; opacity: 0.6; }
.nav__drop {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  display: none; min-width: 170px;
  background: rgba(15, 15, 18, 0.95);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border); border-radius: 14px;
  padding: 6px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}
.nav__item:hover .nav__drop { display: block; animation: pageIn 0.2s ease both; }
.nav__drop a { display: block; padding: 10px 14px; border-radius: 9px; white-space: nowrap; }
.nav__right { display: flex; align-items: center; gap: 8px; }
.nav__burger {
  display: none; flex-direction: column; gap: 4px;
  align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--glass-border);
  cursor: pointer;
}
.nav__burger span { display: block; width: 15px; height: 2px; border-radius: 2px; background: var(--ink); transition: 0.2s; }
body.nav-open .nav__burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav__burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav__burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 公告媒體與摺疊 */
.ann-item__media {
  display: block; width: 100%; max-height: 220px; object-fit: cover;
  border-radius: 12px; margin-top: 10px;
}
.ann-item__video {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9;
  border: none; border-radius: 12px; overflow: hidden; cursor: pointer;
  background: rgba(0, 0, 0, 0.4); margin-top: 10px; padding: 0;
}
.ann-item__video img { width: 100%; height: 100%; object-fit: cover; }
.ann-item__body p.is-clamped {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ann-toggle {
  font-family: inherit; font-size: 12px; font-weight: 700;
  color: var(--orange-hi); background: none; border: none; cursor: pointer;
  padding: 4px 0 0;
}

/* ---------- 入站公告彈窗 ---------- */
.ann-popup__card {
  position: relative; width: min(540px, 100%);
  padding: 26px 24px 22px;
  animation: modalIn 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.15);
}
.ann-popup__badge {
  display: inline-block; font-weight: 900; font-size: 16px;
  color: var(--orange-hi); margin-bottom: 14px;
}
.ann-popup__card .ann-list { margin-bottom: 14px; max-height: 55vh; overflow-y: auto; }
.ann-popup__card .ann-item { padding: 14px 16px; }
.ann-popup__card .btn { width: 100%; }
.ann-popup__head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.ann-popup__meta { font-size: 12px; color: var(--ink-dim); }
.ann-popup__skip {
  display: flex; align-items: center; gap: 7px; cursor: pointer;
  font-size: 12.5px; color: var(--ink-faint); margin-bottom: 12px;
}
.ann-popup__skip input { accent-color: var(--orange); width: 15px; height: 15px; }

/* 教學專區 */
.tut-lock {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 50%; font-size: 17px;
  background: rgba(10, 10, 12, 0.65); backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.tut-cta {
  text-align: center; padding: 26px 20px; margin: 18px 0;
  border-color: var(--glass-border-hi);
}
.tut-cta strong { display: block; font-size: 16px; margin-bottom: 4px; }
.tut-cta small { display: block; color: var(--ink-faint); font-size: 12.5px; margin-bottom: 14px; }
.tut-dim { opacity: 0.22; filter: blur(1.5px); pointer-events: auto; }

/* 獎品換領專區 */
.prize-balance {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  padding: 18px 22px; margin-bottom: 22px;
}
.prize-balance span { display: block; font-size: 12.5px; color: var(--ink-faint); }
.prize-balance strong { font-family: var(--font-latin); font-size: 22px; color: var(--orange-hi); }
.prize-balance small { color: var(--ink-faint); font-size: 12px; }
.prize-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px;
}
.prize-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; transition: transform 0.2s ease, border-color 0.2s; }
.prize-card:hover { transform: translateY(-4px); border-color: var(--glass-border-hi); }
.prize-card__img {
  display: grid; place-items: center; aspect-ratio: 16 / 10; font-size: 42px;
  background:
    radial-gradient(ellipse 80% 120% at 70% -20%, rgba(255, 106, 0, 0.22), transparent 60%),
    rgba(255, 255, 255, 0.03);
  overflow: hidden;
}
.prize-card__img img { width: 100%; height: 100%; object-fit: cover; }
.prize-card__body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.prize-card__body strong { font-size: 15px; }
.prize-card__body small { color: var(--ink-faint); font-size: 12.5px; flex: 1; }
.prize-card__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.prize-card__cost {
  font-family: var(--font-latin); font-weight: 700; font-size: 14px; color: #120a04;
  background: linear-gradient(135deg, var(--orange-hi), var(--orange));
  border-radius: 999px; padding: 4px 13px;
}
.prize-card__stock { font-size: 11.5px; color: var(--ink-faint); }
.ach-prize-link { color: var(--orange-hi); text-decoration: none; font-weight: 700; }
.hero-lessons__head {
  display: block; font-family: var(--font-latin); font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; color: var(--orange-hi); margin-bottom: 6px;
}

/* ---------- 響應式 ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 130px; }
  .hero__visual { display: none; }
  .nav__burger { display: inline-flex; }
  .nav__links {
    display: none;
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    flex-direction: column; gap: 2px;
    background: rgba(15, 15, 18, 0.94);
    backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
    border: 1px solid var(--glass-border); border-radius: 22px;
    padding: 10px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  }
  body.nav-open .nav__links { display: flex; animation: pageIn 0.25s ease both; }
  .nav__links a { padding: 13px 18px; font-size: 15px; }
  .nav__item { display: block; }
  .nav__item > a { display: block; }
  .nav__drop {
    display: block; position: static; transform: none;
    background: none; border: none; box-shadow: none;
    padding: 0 0 0 16px; backdrop-filter: none;
  }
  .nav__caret { display: none; }
}
@media (max-width: 640px) {
  .hide-sm { display: none; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .hero__stats { gap: 26px; }
  .wstep__label { display: none; }
  .wizard__hint { font-size: 12px; }
  .footer { padding: 28px 24px; }
}