/* 小水母 Jelly 的海洋拼字冒險 */

:root {
  --ink: #0B3C4A;
  --ink-soft: #4B7583;
  --muted: #7E9BA5;
  --teal: #0E9F86;
  --teal-dark: #0B7A67;
  --teal-50: #E1F5EE;
  --coral: #F2704A;
  --coral-50: #FAECE7;
  --amber: #F5A623;
  --amber-50: #FDF3E2;
  --blue: #4FA8E0;
  --card: #FFFFFF;
  --line: #CFE9E4;
  --radius: 22px;
  --shadow: 0 10px 28px rgba(11, 60, 74, 0.10);
  --shadow-sm: 0 4px 12px rgba(11, 60, 74, 0.08);
  --font: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", "Hiragino Sans TC",
    system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(180deg, #F2FBFF 0%, #E2F3FF 45%, #D2EBFF 100%);
  background-attachment: fixed;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

.ocean-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.ocean-bg span {
  position: absolute;
  bottom: -80px;
  border-radius: 50%;
  border: 2px solid rgba(14, 159, 134, 0.16);
  animation: rise linear infinite;
}

.ocean-bg span:nth-child(1) { left: 8%;  width: 34px; height: 34px; animation-duration: 19s; animation-delay: 0s; }
.ocean-bg span:nth-child(2) { left: 24%; width: 18px; height: 18px; animation-duration: 24s; animation-delay: 3s; }
.ocean-bg span:nth-child(3) { left: 44%; width: 46px; height: 46px; animation-duration: 27s; animation-delay: 6s; }
.ocean-bg span:nth-child(4) { left: 62%; width: 22px; height: 22px; animation-duration: 21s; animation-delay: 1.5s; }
.ocean-bg span:nth-child(5) { left: 78%; width: 38px; height: 38px; animation-duration: 25s; animation-delay: 8s; }
.ocean-bg span:nth-child(6) { left: 92%; width: 16px; height: 16px; animation-duration: 22s; animation-delay: 4.5s; }

@keyframes rise {
  0% { transform: translateY(0) scale(0.8); opacity: 0; }
  12% { opacity: 0.9; }
  100% { transform: translateY(-118vh) scale(1.15); opacity: 0; }
}

/* ---------- 頂部控制列 ---------- */

.topbar {
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  right: 12px;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 6px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(14, 159, 134, 0.18);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.topbar-spacer { flex: 1; }

.icon-btn {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: var(--teal-50);
  color: var(--teal-dark);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, background 0.15s ease;
}

.icon-btn:hover { background: #CEEFE6; }
.icon-btn:active { transform: scale(0.92); }

.vol {
  width: 84px;
  accent-color: var(--teal);
  cursor: pointer;
}

/* ---------- 共用 ---------- */

main { position: relative; z-index: 1; }

.screen {
  max-width: 880px;
  margin: 0 auto;
  padding: 88px 20px 64px;
  animation: fadeUp 0.35s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

h1, h2, h3 { margin: 0 0 10px; line-height: 1.25; font-weight: 700; }
h2 { font-size: 28px; }

p { margin: 0 0 12px; line-height: 1.7; }

.lead { font-size: 17px; color: var(--ink-soft); }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
  margin: 0 0 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 58px;
  padding: 0 30px;
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: 19px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(180deg, #1BBFA2 0%, var(--teal) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 159, 134, 0.32);
}

.btn-primary:hover { background: linear-gradient(180deg, #22CDAE 0%, var(--teal-dark) 100%); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-soft);
  border: 2px solid var(--line);
  box-shadow: none;
  font-size: 16px;
  min-height: 50px;
}

.btn-listen {
  background: #fff;
  color: var(--teal-dark);
  border: 3px solid var(--teal);
  min-height: 60px;
  font-size: 20px;
}

.btn-check { margin-top: 16px; width: 100%; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-soft);
}

.chip-pearl { color: var(--coral); border-color: #F7CFC2; background: #FFF6F2; }

/* ---------- 開場 ---------- */

.screen-landing {
  padding: 0 0 36px;
  max-width: none;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.landing-art {
  position: relative;
  flex: 0 0 auto;
  height: 54vh;
  min-height: 280px;
  overflow: hidden;
}

.landing-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  display: block;
}

.landing-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(242, 251, 255, 0) 46%, rgba(242, 251, 255, 0.97) 100%);
}

.landing-panel {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 720px;
  margin: -92px auto 0;
  padding: 0 22px;
  text-align: center;
}

.landing-title {
  font-size: clamp(30px, 6.2vw, 46px);
  line-height: 1.22;
  margin-bottom: 14px;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.9);
}

.btn-start {
  min-height: 70px;
  padding: 0 64px;
  font-size: 26px;
  letter-spacing: 0.14em;
  margin: 18px 0 16px;
}

/* ---------- 關卡地圖 ---------- */

.map-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.map-stats { display: flex; gap: 8px; flex-wrap: wrap; }

.map-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.map-node {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 2px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: transform 0.14s ease, box-shadow 0.16s ease;
}

.map-node:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow); }
.map-node:active:not(:disabled) { transform: scale(0.99); }

.map-node.current { border-color: var(--teal); box-shadow: 0 8px 22px rgba(14, 159, 134, 0.22); }
.map-node.done { background: linear-gradient(180deg, #FFFFFF 0%, #F2FBF8 100%); }
.map-node.locked { opacity: 0.55; cursor: not-allowed; background: #F4F8F9; }

.node-badge {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--teal-50);
  color: var(--teal-dark);
  font-size: 20px;
  font-weight: 700;
}

.map-node.current .node-badge { background: var(--teal); color: #fff; }
.map-node.done .node-badge { background: #D8F0E8; }

.node-info { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.node-info strong { font-size: 18px; }
.node-info small { color: var(--muted); font-size: 13px; }

.node-stars { font-size: 18px; letter-spacing: 2px; }

.star { color: #D8E4E8; }
.star.on { color: var(--amber); }

.map-foot { margin-top: 26px; text-align: center; }

/* ---------- 關卡說明 ---------- */

.intro-hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.intro-hero img { width: 100%; display: block; aspect-ratio: 3 / 2; object-fit: cover; }

.intro-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 14px;
}

.intro-body {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.intro-guide { font-size: 17px; color: var(--ink-soft); }

.guide-name {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--amber-50);
  color: #A96A00;
  font-weight: 700;
  margin-right: 4px;
}

.intro-facts {
  list-style: none;
  padding: 0;
  margin: 16px 0 22px;
  display: grid;
  gap: 8px;
}

.intro-facts li {
  padding: 12px 16px;
  background: var(--teal-50);
  border-radius: 14px;
  font-size: 16px;
  color: var(--teal-dark);
  font-weight: 500;
}

/* ---------- 遊戲中 ---------- */

.screen-play { padding-top: 92px; }

.play-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #6FD9C2, var(--teal));
  border-radius: 999px;
  transition: width 0.3s ease;
}

.q-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  text-align: center;
}

.q-art-svg { width: min(300px, 78%); height: auto; display: block; margin: 0 auto 12px; }

.q-prompt { font-size: 19px; font-weight: 700; margin: 0 0 6px; }
.q-meaning { font-size: 15px; color: var(--muted); margin: 0; }

.options { display: grid; gap: 12px; }

.option {
  min-height: 66px;
  padding: 14px 20px;
  border-radius: 18px;
  border: 3px solid var(--line);
  background: var(--card);
  font-family: inherit;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s ease, background 0.15s ease;
}

.option:hover:not(:disabled) { border-color: var(--teal); transform: translateY(-2px); }
.option:active:not(:disabled) { transform: scale(0.99); }

.option.right {
  border-color: var(--teal);
  background: var(--teal-50);
  color: var(--teal-dark);
  animation: pop 0.4s ease;
}

.option.wrong {
  border-color: #E7BDB2;
  background: #F6F1EF;
  color: #A9A2A0;
  text-decoration: line-through;
  animation: shake 0.4s ease;
}

@keyframes pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-7px); }
  50% { transform: translateX(7px); }
  75% { transform: translateX(-4px); }
}

/* 補字 */

.blanks-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 18px;
}

.blanks-row .ch {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
  min-width: 20px;
  text-align: center;
}

.blanks-row .gap { width: 18px; }

.slot {
  width: 42px;
  height: 56px;
  border-radius: 12px;
  border: 3px dashed #A8D9CE;
  background: #F7FDFB;
  font-family: inherit;
  font-size: 30px;
  font-weight: 700;
  color: var(--teal-dark);
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  padding: 0;
}

.slot.filled { border-style: solid; border-color: var(--teal); background: var(--teal-50); }

.tile-bank {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
}

.tile {
  width: 58px;
  height: 66px;
  border-radius: 16px;
  border: 3px solid var(--line);
  background: var(--card);
  font-family: inherit;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, opacity 0.15s ease;
}

.tile:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--teal); }
.tile.used, .tile:disabled { opacity: 0.3; cursor: default; transform: none; }

/* 詞序 */

.answer-row {
  min-height: 76px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-radius: 18px;
  border: 3px dashed #A8D9CE;
  background: #F7FDFB;
  margin-top: 16px;
}

.answer-empty { color: var(--muted); font-size: 15px; }

.word-bank {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.word-card {
  padding: 14px 22px;
  border-radius: 16px;
  border: 3px solid var(--line);
  background: var(--card);
  font-family: inherit;
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, opacity 0.15s ease;
}

.word-card:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--teal); }
.word-card.used, .word-card:disabled { opacity: 0.28; cursor: default; transform: none; }
.word-card.picked { border-color: var(--teal); background: var(--teal-50); color: var(--teal-dark); opacity: 1; }

/* 聽寫 */

.dict-display {
  min-height: 78px;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #F7FDFB;
  border: 3px solid var(--line);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  word-break: break-word;
  text-align: center;
}

.caret {
  display: inline-block;
  width: 3px;
  height: 34px;
  background: var(--teal);
  animation: blink 1s steps(1) infinite;
  vertical-align: middle;
}

@keyframes blink { 50% { opacity: 0; } }

.keyboard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 6px;
}

.kb-row { display: flex; gap: 6px; }
.kb-row-1 { padding: 0; }
.kb-row-2 { padding: 0 4.5%; }
.kb-row-3 { padding: 0 9%; }
.kb-row-4 { padding: 0 14%; }

.key {
  flex: 1 1 0;
  min-width: 0;
  min-height: 58px;
  padding: 0;
  border-radius: 14px;
  border: 2px solid var(--line);
  background: var(--card);
  font-family: inherit;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s ease;
}

.key:hover { border-color: var(--teal); }
.key:active { transform: scale(0.94); }

.key-fn,
.key-space {
  background: var(--teal-50);
  color: var(--teal-dark);
  border-color: #BEE5DB;
  text-transform: none;
}

.key-fn { flex: 1.5 1 0; font-size: 19px; }
.key-space { font-size: 17px; letter-spacing: 0.08em; }

/* 押韻 */

.rhyme-board {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: start;
  margin-top: 18px;
}

.rhyme-col { display: grid; gap: 10px; }

.rhyme-mid { color: var(--muted); font-size: 22px; align-self: center; }

.rhyme-card {
  min-height: 56px;
  border-radius: 16px;
  border: 3px solid var(--line);
  background: var(--card);
  font-family: inherit;
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, border-color 0.15s ease;
}

.rhyme-card:hover:not(:disabled) { transform: translateY(-2px); border-color: var(--teal); }
.rhyme-card.sel { border-color: var(--amber); background: var(--amber-50); transform: translateY(-2px); }
.rhyme-card.done {
  border-color: var(--teal);
  background: var(--teal-50);
  color: var(--teal-dark);
  cursor: default;
  opacity: 1;
}

/* 回饋 */

.feedback {
  margin-top: 16px;
  border-radius: 18px;
  padding: 0 20px;
  font-size: 17px;
  font-weight: 500;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.25s ease;
}

.feedback.show { padding: 16px 20px; max-height: 200px; opacity: 1; }
.feedback.ok { background: var(--teal-50); color: var(--teal-dark); border: 2px solid #A8D9CE; }
.feedback.warn { background: var(--amber-50); color: #8A5600; border: 2px solid #F0D09A; }
.feedback.bad { background: var(--coral-50); color: #A2401F; border: 2px solid #F3C2B0; }

.hint-box {
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: 16px;
  background: #FFF9EC;
  border: 2px dashed #EBCB8B;
  color: #7A5406;
  font-size: 16px;
  line-height: 1.6;
}

/* ---------- 過關 ---------- */

.screen-complete { position: relative; text-align: center; }

.bubble-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.bubble-field span {
  position: absolute;
  bottom: -60px;
  border-radius: 50%;
  border: 2px solid rgba(14, 159, 134, 0.25);
  animation: rise 5s linear infinite;
}

.bubble-field span:nth-child(1) { left: 6%;  width: 28px; height: 28px; animation-delay: 0s; }
.bubble-field span:nth-child(2) { left: 20%; width: 16px; height: 16px; animation-delay: 0.6s; }
.bubble-field span:nth-child(3) { left: 36%; width: 38px; height: 38px; animation-delay: 1.2s; }
.bubble-field span:nth-child(4) { left: 54%; width: 20px; height: 20px; animation-delay: 0.3s; }
.bubble-field span:nth-child(5) { left: 72%; width: 32px; height: 32px; animation-delay: 1.6s; }
.bubble-field span:nth-child(6) { left: 88%; width: 18px; height: 18px; animation-delay: 0.9s; }
.bubble-field span:nth-child(7) { left: 44%; width: 24px; height: 24px; animation-delay: 2s; }
.bubble-field span:nth-child(8) { left: 64%; width: 14px; height: 14px; animation-delay: 2.4s; }

.complete-card {
  position: relative;
  background: var(--card);
  border-radius: 28px;
  padding: 34px 26px;
  box-shadow: var(--shadow);
  max-width: 520px;
  margin: 0 auto;
}

.big-stars { font-size: 46px; letter-spacing: 8px; margin: 10px 0; }
.big-stars .star.on { animation: pop 0.6s ease both; }

.reward {
  margin: 20px 0 24px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, #FFF9EC, #FDF3E2);
  border: 2px dashed #EBCB8B;
  display: grid;
  gap: 4px;
}

.reward-label { font-size: 13px; letter-spacing: 0.12em; color: #A97B14; }
.reward strong { font-size: 21px; color: #8A5600; }

/* ---------- 全破 ---------- */

.screen-finale {
  padding: 0 0 36px;
  max-width: none;
  text-align: center;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.finale-art { position: relative; flex: 0 0 auto; height: 52vh; min-height: 280px; overflow: hidden; }
.finale-art img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; display: block; }
.finale-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(242, 251, 255, 0) 44%, rgba(242, 251, 255, 0.96) 100%);
}

.finale-body {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 640px;
  margin: -96px auto 0;
  padding: 0 22px;
}

.finale-body .lead {
  color: #35606E;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.92);
  font-size: 17px;
}

/* ---------- 證書 ---------- */

.screen-cert { text-align: center; }

.cert-preview {
  background: #fff;
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow);
  margin: 18px auto;
  max-width: 560px;
}

.cert-preview canvas { width: 100%; height: auto; display: block; border-radius: 14px; }

.cert-form {
  display: grid;
  gap: 12px;
  justify-items: center;
  max-width: 460px;
  margin: 0 auto;
}

.cert-form label { font-size: 15px; font-weight: 700; color: var(--ink-soft); }

.cert-form input {
  width: 100%;
  min-height: 60px;
  padding: 0 20px;
  border-radius: 999px;
  border: 3px solid var(--line);
  background: #fff;
  font-family: inherit;
  font-size: 21px;
  font-weight: 500;
  color: var(--ink);
  text-align: center;
}

.cert-form input:focus { outline: none; border-color: var(--teal); }

/* ---------- 響應式 ---------- */

@media (max-width: 560px) {
  .screen { padding: 82px 14px 56px; }
  h2 { font-size: 24px; }
  .landing-art { height: 42vh; min-height: 240px; }
  .landing-panel { margin-top: -70px; }
  .btn-start { padding: 0 48px; font-size: 23px; }
  .option { font-size: 21px; }
  .blanks-row .ch { font-size: 25px; }
  .slot { width: 36px; height: 50px; font-size: 25px; }
  .tile { width: 48px; height: 58px; font-size: 24px; }
  .key { min-height: 48px; font-size: 17px; border-radius: 11px; }
  .keyboard { gap: 6px; }
  .kb-row { gap: 4px; }
  .kb-row-2 { padding: 0 4%; }
  .kb-row-3 { padding: 0 8%; }
  .kb-row-4 { padding: 0 10%; }
  .key-fn { font-size: 16px; }
  .word-card { font-size: 19px; padding: 12px 16px; }
  .rhyme-card { font-size: 17px; min-height: 50px; }
  .dict-display { font-size: 24px; }
  .topbar { right: 8px; padding: 5px 8px 5px 5px; }
  .icon-btn { width: 38px; height: 38px; font-size: 17px; }
  .vol { width: 64px; }
  .big-stars { font-size: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}