/* 小作家工坊：奶油紙、珊瑚紅、薄荷綠與鉛筆灰的手作書桌。 */
:root {
  --bg: #fff4e6;
  --bg-2: #ffe3cf;
  --ink: #3f3a35;
  --muted: #7b6d5f;
  --accent: #ef6f6c;
  --accent-2: #5cbfa4;
  --accent-3: #f6c453;
  --good: #2f9e75;
  --bad: #d15450;
  --card: #fffdf6;
  --line: #4a4a4a;
  --line-soft: rgba(74, 74, 74, 0.16);
  --shadow: 0 6px 0 rgba(74, 74, 74, 0.14), 0 18px 34px rgba(74, 74, 74, 0.12);
  --shadow-sm: 0 4px 0 rgba(74, 74, 74, 0.16);
  --radius: 24px;
  --radius-sm: 16px;
  --maxw: 1120px;
  --paper-line: rgba(92, 191, 164, 0.2);
  --tape: rgba(246, 196, 83, 0.68);
  --tape-coral: rgba(239, 111, 108, 0.55);
  --tape-mint: rgba(92, 191, 164, 0.48);
  --font-display: "Kaiti TC", "BiauKai", "DFKai-SB", "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
}

/* ---------- 稿紙桌面 ---------- */
body {
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 8% 4%, rgba(246, 196, 83, 0.26), transparent 32%),
    radial-gradient(circle at 92% 10%, rgba(92, 191, 164, 0.2), transparent 28%),
    linear-gradient(90deg, transparent 0 58px, rgba(239, 111, 108, 0.2) 58px 60px, transparent 60px),
    repeating-linear-gradient(to bottom, transparent 0 27px, var(--paper-line) 27px 28px),
    repeating-linear-gradient(to right, transparent 0 27px, var(--paper-line) 27px 28px);
  background-attachment: fixed;
}

.topbar {
  border-bottom: 3px solid var(--line-soft);
  background: color-mix(in srgb, var(--card) 92%, white);
}

.topbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--tape) 0 16px, transparent 16px 26px, var(--tape-mint) 26px 42px, transparent 42px 52px);
  opacity: 0.8;
  pointer-events: none;
}

.brand-dot {
  border-radius: 4px;
  background: var(--accent);
  transform: rotate(45deg);
}

.icon-btn:hover {
  background: color-mix(in srgb, var(--accent-3) 28%, var(--card));
  transform: rotate(-2deg);
}

.icon-btn-zhuyin {
  background: color-mix(in srgb, var(--accent-2) 18%, var(--card));
}

/* ---------- 首頁 ---------- */
.hero-copy {
  padding: clamp(8px, 2vw, 18px) 0;
}

.hero-title {
  position: relative;
  letter-spacing: 0.04em;
}

.hero-title::after {
  content: "";
  display: block;
  width: min(78%, 320px);
  height: 10px;
  margin-top: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) 0 58%, var(--accent-3) 58% 100%);
  opacity: 0.72;
  transform: rotate(-1deg);
}

.hero-desc {
  color: var(--muted);
}

.hero-art::before {
  content: "";
  position: absolute;
  inset: 7% 1%;
  z-index: 0;
  border: 3px solid var(--line);
  border-radius: 22px;
  background-color: var(--card);
  background-image:
    repeating-linear-gradient(to bottom, transparent 0 25px, var(--paper-line) 25px 26px),
    linear-gradient(90deg, transparent 0 42px, rgba(239, 111, 108, 0.18) 42px 44px, transparent 44px);
  box-shadow: var(--shadow);
  transform: rotate(-2.5deg);
}

.hero-art::after {
  content: "";
  position: absolute;
  top: 2%;
  left: 50%;
  z-index: 2;
  width: 118px;
  height: 28px;
  border: 1px dashed rgba(74, 74, 74, 0.22);
  background: var(--tape);
  transform: translateX(-50%) rotate(-3deg);
  pointer-events: none;
}

.hero-blob {
  z-index: 0;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0, rgba(255, 255, 255, 0) 60%), var(--accent-2);
  opacity: 0.16;
  transform: none;
  box-shadow: none;
}

.hero-art img {
  z-index: 1;
  filter: drop-shadow(0 18px 16px rgba(74, 74, 74, 0.16));
}

.hero-sticker {
  z-index: 3;
  border-radius: 8px;
  background: var(--accent-2);
  color: #fff;
  box-shadow: 0 4px 0 var(--line);
  transform: rotate(-4deg);
}

.hero-meta {
  display: inline-flex;
  padding: 5px 14px;
  border: 2px dashed color-mix(in srgb, var(--line) 28%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-3) 20%, var(--card));
}

/* ---------- 稿紙卡片 ---------- */
.card,
.howto,
.result-card,
.dialog-panel {
  background-color: var(--card);
  background-image:
    repeating-linear-gradient(to bottom, transparent 0 27px, var(--paper-line) 27px 28px),
    linear-gradient(90deg, transparent 0 44px, rgba(239, 111, 108, 0.2) 44px 46px, transparent 46px);
}

.howto {
  position: relative;
  padding-left: clamp(58px, 7vw, 74px);
}

.howto::before {
  content: "";
  position: absolute;
  top: -11px;
  left: 26px;
  width: 92px;
  height: 24px;
  border: 1px dashed rgba(74, 74, 74, 0.22);
  background: var(--tape-coral);
  transform: rotate(-3deg);
}

.howto-list li::marker {
  color: var(--accent);
  font-weight: 900;
}

/* ---------- 關卡選單：索引卡 ---------- */
.level-card {
  background-color: var(--card);
  background-image: repeating-linear-gradient(to bottom, transparent 0 23px, var(--paper-line) 23px 24px);
  overflow: visible;
}

.level-card::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  width: 62px;
  height: 20px;
  border: 1px dashed rgba(74, 74, 74, 0.2);
  background: var(--tape);
  transform: translateX(-50%) rotate(-2deg);
  pointer-events: none;
}

.level-card:nth-child(3n + 2)::before {
  background: var(--tape-mint);
  transform: translateX(-50%) rotate(2deg);
}

.level-card:nth-child(3n)::before {
  background: var(--tape-coral);
}

.level-card:nth-child(4n + 1) {
  transform: rotate(-0.5deg);
}

.level-card:nth-child(4n + 3) {
  transform: rotate(0.5deg);
}

.level-card:not(:disabled):hover {
  transform: translateY(-4px) rotate(0);
}

.level-num {
  background: var(--accent);
  border-radius: 8px;
  transform: rotate(-3deg);
}

.level-card[data-current="true"] {
  background-color: color-mix(in srgb, var(--accent-3) 30%, var(--card));
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

/* ---------- 遊戲進行中 ---------- */
.play-title {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
}

.hud-item {
  background: color-mix(in srgb, var(--accent-3) 12%, var(--card));
  box-shadow: 0 3px 0 var(--line-soft);
}

.timer {
  height: 18px;
  border-width: 2px;
  background: #fff;
}

.timer-fill {
  background: linear-gradient(90deg, var(--accent-2), var(--accent-3) 58%, var(--accent));
}

.question-host {
  position: relative;
  padding-top: clamp(22px, 3vw, 30px);
  background-color: var(--card);
  background-image:
    repeating-linear-gradient(to bottom, transparent 0 27px, var(--paper-line) 27px 28px),
    linear-gradient(90deg, transparent 0 30px, rgba(239, 111, 108, 0.22) 30px 32px, transparent 32px);
  animation: page-in 340ms cubic-bezier(0.2, 0.9, 0.3, 1.15) both;
  transform-origin: top center;
}

.question-host::before {
  content: "";
  position: absolute;
  top: -11px;
  left: clamp(28px, 6vw, 60px);
  width: 104px;
  height: 25px;
  border: 1px dashed rgba(74, 74, 74, 0.22);
  background: var(--tape-coral);
  transform: rotate(-2.5deg);
  pointer-events: none;
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: perspective(900px) rotateX(-4deg) translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.q-typebar {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}

.type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px 5px 8px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-2) 18%, var(--card));
  box-shadow: 0 2px 0 var(--line-soft);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.type-badge svg {
  width: 17px;
  height: 17px;
  fill: var(--ink);
}

.type-badge svg .stroke {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
}

.type-badge:hover {
  background: color-mix(in srgb, var(--accent-2) 30%, var(--card));
}

/* ---------- 選項：便條紙 ---------- */
.studio-choice {
  justify-content: flex-start;
  padding-left: 46px;
  text-align: left;
  background: #fffdf6;
}

.choices .studio-choice:nth-child(3n + 2) {
  background: color-mix(in srgb, var(--accent-2) 9%, var(--card));
}

.choices .studio-choice:nth-child(3n) {
  background: color-mix(in srgb, var(--accent-3) 13%, var(--card));
}

.studio-choice .key,
.order-option .key {
  top: 50%;
  left: 11px;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--card);
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--ink);
}

.studio-choice .choice-label {
  line-height: 1.55;
}

.choice-long {
  min-height: 88px;
}

.choose-choices.is-wide,
.format-choices.is-stacked {
  grid-template-columns: 1fr;
}

/* ---------- 看圖選句 ---------- */
.scene-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: start;
  gap: clamp(14px, 2.6vw, 24px);
  margin-top: 14px;
}

.scene-art {
  position: relative;
  padding: 10px;
  border: 3px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  box-shadow: var(--shadow-sm);
  transform: rotate(-0.6deg);
}

.scene-art::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 22px;
  width: 74px;
  height: 20px;
  border: 1px dashed rgba(74, 74, 74, 0.2);
  background: var(--tape);
  transform: rotate(-4deg);
}

.scene-svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.scene-choices {
  grid-template-columns: 1fr;
  margin-top: 0;
}

.scene-choices .choice {
  min-height: 62px;
  font-size: clamp(15px, 1.8vw, 18px);
}

.scene-side {
  padding-top: 2px;
}

/* ---------- 句子排序 ---------- */
.order-intro {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.order-parts {
  display: grid;
  gap: 8px;
  margin: 12px 0 16px;
  padding: 10px;
  border: 2.5px dashed color-mix(in srgb, var(--line) 30%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--accent-3) 12%, var(--card));
}

.order-part {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 7px 10px;
  border: 2px solid var(--line-soft);
  border-radius: 10px;
  background: var(--card);
}

.part-no {
  flex: none;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-2) 18%, var(--card));
  font-size: 13px;
  font-weight: 900;
}

.part-text {
  font-size: 15px;
  line-height: 1.6;
}

.order-choices {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.order-option {
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: start;
  align-items: center;
  gap: 4px 8px;
  min-height: 170px;
  padding: 14px 12px 12px 42px;
  text-align: left;
}

.order-option .key {
  left: 10px;
}

.order-seq {
  grid-column: 1 / -1;
  color: var(--accent);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.order-lines {
  grid-column: 1 / -1;
  display: grid;
  gap: 5px;
  margin-top: 3px;
}

.order-line {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
}

.order-mark {
  flex: none;
  color: var(--accent-2);
  font-weight: 900;
}

.order-line-text {
  min-width: 0;
}

/* ---------- 格式配對：稿紙、卡片、便條 ---------- */
.format-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: start;
  gap: clamp(14px, 2.6vw, 24px);
  margin-top: 12px;
}

.stationery {
  position: relative;
  padding: 28px 18px 18px 30px;
  border: 3px solid var(--line);
  border-radius: 6px 20px 20px 6px;
  background-color: #fffdf6;
  background-image:
    repeating-linear-gradient(to bottom, transparent 0 27px, var(--paper-line) 27px 28px),
    linear-gradient(90deg, transparent 0 20px, rgba(239, 111, 108, 0.22) 20px 22px, transparent 22px);
  box-shadow: var(--shadow);
  transform: rotate(-0.5deg);
}

.stationery-card,
.stationery-note,
.stationery-invite,
.stationery-letter {
  transform: rotate(0.4deg);
}

.stationery-card {
  border-radius: 18px 18px 5px 5px;
  background-color: #fff8f2;
}

.stationery-note {
  border-radius: 3px 3px 18px 3px;
  background-color: #fff8c9;
  background-image: repeating-linear-gradient(to bottom, transparent 0 25px, rgba(201, 139, 94, 0.18) 25px 26px);
  box-shadow: 0 8px 0 rgba(74, 74, 74, 0.1), 0 16px 26px rgba(74, 74, 74, 0.14);
}

.stationery-letter {
  background-color: #fffdf6;
}

.stationery-invite {
  padding-top: 22px;
  border-radius: 18px;
  background-color: color-mix(in srgb, var(--accent-2) 12%, var(--card));
  text-align: center;
}

.stationery-invite .paper-line {
  border-bottom: 1px dashed rgba(74, 74, 74, 0.12);
}

.paper-tape {
  position: absolute;
  top: -12px;
  left: 50%;
  width: 96px;
  height: 24px;
  border: 1px dashed rgba(74, 74, 74, 0.2);
  background: var(--tape-coral);
  transform: translateX(-50%) rotate(-2deg);
}

.paper-line {
  min-height: 27px;
  padding: 3px 4px 5px;
  border-bottom: 1px solid rgba(92, 191, 164, 0.35);
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.7;
  white-space: pre-line;
}

.paper-line.is-blank {
  border-bottom: 0;
  border-radius: 7px;
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
  background: linear-gradient(180deg, transparent 52%, rgba(246, 196, 83, 0.6) 52% 82%, transparent 82%);
}

.paper-heading {
  border-bottom: 0;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 900;
  letter-spacing: 0.22em;
}

.format-side {
  padding-top: 2px;
}

.format-choices {
  grid-template-columns: 1fr;
  margin-top: 0;
}

.format-choices .choice {
  min-height: 62px;
  font-size: clamp(15px, 1.9vw, 18px);
}

/* ---------- 結果與回饋 ---------- */
.result-card {
  position: relative;
}

.result-card::before {
  content: "";
  position: absolute;
  top: -13px;
  left: 50%;
  width: 130px;
  height: 28px;
  border: 1px dashed rgba(74, 74, 74, 0.22);
  background: var(--tape-coral);
  transform: translateX(-50%) rotate(-2deg);
}

.result-title {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.star.on {
  color: var(--accent-3);
  text-shadow: 0 2px 0 var(--line);
}

.feedback-burst {
  position: relative;
  background-color: var(--card);
  background-image: repeating-linear-gradient(to bottom, transparent 0 25px, var(--paper-line) 25px 26px);
}

.feedback-burst::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  width: 84px;
  height: 22px;
  background: var(--tape-mint);
  transform: translateX(-50%) rotate(-3deg);
}

.feedback-burst.bad::before {
  background: var(--tape-coral);
}

.feedback-explain {
  font-weight: 500;
}

/* ---------- 設定、安裝與頁尾 ---------- */
.dialog-panel {
  position: relative;
}

.dialog-panel::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  width: 90px;
  height: 22px;
  background: var(--tape);
  transform: translateX(-50%) rotate(-2deg);
}

.switch:checked {
  background-color: var(--accent-2);
}

.site-footer {
  border-top: 2px dashed color-mix(in srgb, var(--line) 24%, transparent);
  background: color-mix(in srgb, var(--card) 86%, transparent);
}

/* ---------- 自訂元件 ---------- */
.tape-strip {
  display: inline-block;
  padding: 3px 12px;
  background: var(--tape);
  transform: rotate(-2deg);
}

/* ---------- 響應式 ---------- */
@media (max-width: 900px) {
  .scene-layout,
  .format-layout {
    grid-template-columns: 1fr;
  }

  .order-choices {
    grid-template-columns: 1fr;
  }

  .order-option {
    min-height: 0;
  }
}

@media (max-width: 620px) {
  .hero-art::before {
    inset: 8% 0;
  }

  .question-host::before {
    left: 24px;
    width: 78px;
  }

  .scene-art,
  .stationery {
    transform: none;
  }

  .order-option {
    padding-left: 42px;
  }

  .stationery {
    padding-left: 24px;
  }

  .paper-line {
    font-size: 14px;
  }
}