/* ==========================================================================
   割绳子 (Cut the Rope) · 微缩纸盒玩具工坊沉浸美学样式表
   遵循 DOIN 平台桌面机台化与双栏 HUD 规范，严禁网页表单化
   ========================================================================== */

:root {
  --bg-desk: #241c17;
  --bg-gradient: radial-gradient(circle at 50% 30%, #3a2b22 0%, #1c1511 100%);
  --box-frame: #523820;
  --box-border: #755230;
  --wood-rim: #8A5A36;
  --wood-hi: #BE8E62;
  --paper-cream: #EFE3C3;
  --paper-shadow: rgba(60, 40, 20, 0.2);
  --gold-star: #FFD21E;
  --accent-cyan: #3FE1FF;
  --nommy-green: #78C236;
  --text-main: #FFF3DD;
  --text-dim: #D1B896;
  --plaque-bg: linear-gradient(180deg, #443022 0%, #2E1F15 100%);
  --plaque-border: #6D4C33;
  --btn-grad: linear-gradient(180deg, #5C402B 0%, #3D291A 100%);
  --btn-active: linear-gradient(180deg, #2E1F15 0%, #443022 100%);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  min-height: 100%;
  background: var(--bg-desk);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  font-family: var(--font-stack);
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 主游戏外壳：微缩立体机台 */
#game-app {
  width: 100%;
  max-width: 1120px;
  min-height: 100vh;
  padding: 10px 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

/* 1. 机顶一体化状态栏（收纳所有系统控制项，保持顶部舒展） */
#stage-bar {
  width: 100%;
  max-width: 1000px;
  background: var(--plaque-bg);
  border: 2px solid var(--plaque-border);
  border-radius: 12px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  margin-bottom: 8px;
}

.bar-btn {
  background: var(--btn-grad);
  border: 1px solid var(--wood-hi);
  border-radius: 8px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.35);
  transition: transform 0.08s ease, filter 0.15s ease;
}

.bar-btn:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.bar-btn:active {
  transform: translateY(2px);
  filter: brightness(0.95);
}

#app-title {
  text-align: center;
}

#app-title-main {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #FFE680;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  display: block;
}

#app-subtitle {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  display: block;
}

.stage-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 2. 模式切换滑道 */
#mode-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.mode-chip {
  background: rgba(45, 30, 20, 0.85);
  border: 1px solid var(--plaque-border);
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mode-chip:hover {
  color: var(--text-main);
  border-color: var(--wood-hi);
}

.mode-chip.is-active {
  background: #78C236;
  border-color: #A3E54C;
  color: #1A3508;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(120, 194, 54, 0.4);
}

/* 3. 核心游戏舞台区域（左右双翼 + 中央加大微缩纸盒画布） */
#stage-core {
  width: 100%;
  max-width: 1040px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

/* HUD 翼栏挂牌 */
.wing {
  width: 154px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plaque {
  background: var(--plaque-bg);
  border: 2px solid var(--plaque-border);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.plaque-label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 4px;
}

.plaque-value {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: #FFE680;
}

.plaque-value.text-amber {
  color: #FFAE19;
}

.plaque-value.text-red {
  color: #FF5A5A;
}

.plaque-value-sm {
  font-size: 14px;
  font-weight: 700;
}

.plaque-hint-text {
  font-size: 12px;
  line-height: 1.4;
  color: #F7EAD0;
  text-align: left;
  font-weight: 500;
}

.star-icons-bar {
  display: flex;
  justify-content: center;
  gap: 4px;
}

.star-icon {
  font-size: 20px;
}

.star-icon.is-collected {
  color: var(--gold-star);
  text-shadow: 0 0 8px rgba(255, 210, 30, 0.8);
}

.star-icon.is-empty {
  color: rgba(255, 255, 255, 0.2);
}

/* 中央加大微缩纸盒舞台 */
#arena {
  position: relative;
  width: min(580px, calc((100dvh - 130px) * 0.8));
  max-height: calc(100dvh - 130px);
  aspect-ratio: 4 / 5;
  background: #3B281B;
  border: 10px solid var(--box-frame);
  border-radius: 22px;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.65), inset 0 0 32px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  touch-action: none;
}

#stage-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

/* 浮动轻提示 Toast */
#toast {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(30, 18, 12, 0.92);
  border: 1px solid #FFE066;
  color: #FFF;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  pointer-events: none;
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
  z-index: 20;
}

#toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 舞台内嵌失败覆盖层与即时重玩卡片 */
.fail-overlay {
  position: absolute;
  inset: 0;
  background: rgba(18, 10, 6, 0.72);
  backdrop-filter: blur(2px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 30;
  cursor: pointer;
}

.fail-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.fail-card {
  background: #2E1F16;
  border: 2px solid #B84A36;
  border-radius: 16px;
  padding: 18px 24px;
  text-align: center;
  max-width: 300px;
  width: 85%;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: scale(0.88);
  transition: transform 0.22s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.fail-overlay.is-open .fail-card {
  transform: scale(1);
}

.fail-icon {
  font-size: 36px;
}

.fail-title {
  font-size: 18px;
  font-weight: 800;
  color: #FFA5A5;
}

.fail-msg {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.4;
}

.fail-retry-btn {
  background: linear-gradient(180deg, #E65A3D 0%, #B8341A 100%);
  border: 1px solid #FF8E75;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 800;
  padding: 10px 24px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(184, 52, 26, 0.45);
  transition: transform 0.08s ease, filter 0.15s ease;
}

.fail-retry-btn:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
}

.fail-retry-btn:active {
  transform: translateY(2px);
}

.fail-hint {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 2px;
}

/* 4. 模态框遮罩通用 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 10, 8, 0.85);
  backdrop-filter: blur(4px);
  display: none;
  justify-content: center;
  align-items: center;
  padding: 20px;
  z-index: 100;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-dialog {
  background: #2E1F16;
  border: 3px solid #8A5A36;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.75);
  padding: 24px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  position: relative;
}

.modal-dialog h2 {
  font-size: 22px;
  font-weight: 800;
  color: #FFE680;
  margin-bottom: 8px;
}

.modal-dialog p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* 关卡选择面板抽屉 */
.modal-levels-box {
  max-width: 640px;
}

.chapter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.ch-chip {
  background: #442F21;
  border: 1px solid #755230;
  color: var(--text-dim);
  padding: 4px 12px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.ch-chip.is-active {
  background: #78C236;
  color: #152B07;
  border-color: #A3E54C;
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  max-height: 380px;
  overflow-y: auto;
  padding: 4px;
}

.level-card {
  background: #3B281B;
  border: 1px solid #66452B;
  border-radius: 10px;
  padding: 10px 4px;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: transform 0.1s ease, filter 0.15s ease;
}

.level-card:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.2);
  border-color: #BE8E62;
}

.level-card:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.level-card.is-current {
  border-color: #FFE680;
  box-shadow: 0 0 10px rgba(255, 230, 128, 0.4);
}

.card-num {
  font-size: 16px;
  font-weight: 800;
  color: #FFE680;
}

.card-name {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.card-stars {
  display: flex;
  gap: 2px;
}

.card-star {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.15);
}

.card-star.is-lit {
  color: var(--gold-star);
}

/* 胜利结算弹窗 */
.win-monster-icon {
  font-size: 48px;
  margin-bottom: 8px;
  display: inline-block;
  animation: bounce 0.6s ease infinite alternate;
}

.win-stars-display {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 16px 0 24px;
}

.win-star {
  font-size: 38px;
}

.win-star.is-earned {
  color: var(--gold-star);
  text-shadow: 0 0 16px rgba(255, 210, 30, 0.9);
  animation: popIn 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}

.win-star.is-missed {
  color: rgba(255, 255, 255, 0.2);
}

.modal-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.btn-cta {
  background: linear-gradient(180deg, #8ED842 0%, #68B028 100%);
  border: 1px solid #B8F278;
  color: #132805;
  font-size: 15px;
  font-weight: 800;
  padding: 10px 24px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(104, 176, 40, 0.4);
}

.btn-sec {
  background: var(--btn-grad);
  border: 1px solid var(--wood-hi);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  cursor: pointer;
}

/* 规则说明列表 */
.rules-list {
  text-align: left;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: var(--text-main);
  background: rgba(30, 20, 14, 0.6);
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.rules-shortcuts {
  font-weight: 700;
  color: #FFE680;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 8px;
}

/* 5. 动效降级 (prefers-reduced-motion) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
}

/* 6. 移动端响应式 (≤768px) */
@media (max-width: 768px) {
  #game-app {
    padding: 8px;
  }

  #stage-bar {
    padding: 6px 10px;
  }

  #app-title-main {
    font-size: 16px;
  }

  #stage-core {
    flex-direction: column;
    gap: 10px;
  }

  .wing {
    width: 100%;
    max-width: 420px;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .plaque {
    flex: 1;
    min-width: 80px;
    padding: 6px 4px;
  }

  #arena {
    width: 100%;
    max-width: 420px;
    border-width: 6px;
  }

  .levels-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@keyframes bounce {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

@keyframes popIn {
  0% { transform: scale(0.4); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}