/* 糖果梦境主题 — 与索引页及 2048 统一 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-top: #FFD4E5;
  --bg-mid: #FFE0EE;
  --bg-bottom: #D4F1FF;
  --text-main: #3D2D5C;
  --text-soft: #5C4A7A;
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-border: #D4C0F0;
  --card-shadow: rgba(100, 70, 140, 0.18);
  --btn-bg: rgba(255, 255, 255, 0.98);
  --btn-border: #D4C0F0;
  --btn-text: #3D2D5C;
  --radius-btn: 12px;
  --radius-board: 18px;
}

html {
  -webkit-text-size-adjust: 100%;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  box-sizing: border-box;
  background: linear-gradient(
    180deg,
    var(--bg-top) 0%,
    var(--bg-mid) 40%,
    var(--bg-bottom) 100%
  );
  color: var(--text-main);
  font-family: "Baloo 2", "Nunito", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  overflow: hidden;
}

/* 背景装饰层 */
.bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.cloud {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.97),
    rgba(255, 240, 250, 0.75)
  );
  filter: blur(0.5px);
  animation: floatCloud 14s ease-in-out infinite;
}

.cloud-1 {
  width: 200px;
  height: 90px;
  left: 3%;
  top: 10%;
  box-shadow:
    65px -5px 0 -18px rgba(255, 255, 255, 0.85),
    130px 8px 0 -28px rgba(255, 245, 252, 0.75);
  animation-delay: 0s;
}

.cloud-2 {
  width: 160px;
  height: 70px;
  right: 8%;
  top: 6%;
  box-shadow: 55px 0 0 -14px rgba(255, 255, 255, 0.88);
  animation-delay: 2.5s;
}

.cloud-3 {
  width: 180px;
  height: 78px;
  left: 30%;
  top: 16%;
  opacity: 0.85;
  animation-delay: 5s;
}

@keyframes floatCloud {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-10px) translateX(6px); }
}

.candy-hill {
  position: absolute;
  bottom: 0;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  filter: blur(0.5px);
}

.bg-decor .hill-1 {
  left: -6%;
  width: 46%;
  height: 26%;
  background: linear-gradient(
    180deg,
    #A8E6CF 0%,
    #7DD4A8 60%,
    #6BC99A 100%
  );
  opacity: 0.88;
}

.bg-decor .hill-2 {
  right: -4%;
  width: 42%;
  height: 30%;
  background: linear-gradient(
    180deg,
    #FFD9E8 0%,
    #FFB8D0 60%,
    #FFA0C0 100%
  );
  opacity: 0.85;
}

.bg-decor .hill-3 {
  left: 28%;
  width: 52%;
  height: 22%;
  background: linear-gradient(
    180deg,
    #FFECAA 0%,
    #FFD76E 60%,
    #F5C842 100%
  );
  opacity: 0.78;
}

/* 游戏中顶部栏：仅游戏进行时显示 */
.game-top-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--card-bg);
  border-bottom: 2px solid var(--card-border);
  box-shadow: 0 4px 16px var(--card-shadow);
  pointer-events: auto;
}

.game-top-bar.is-visible {
  display: flex;
}

.game-top-bar__exit,
.game-top-bar__back {
  font-family: inherit;
  font-size: 14px;
  font-weight: bold;
  color: var(--btn-text);
  padding: 10px 16px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.game-top-bar__exit {
  background: rgba(200, 168, 232, 0.35);
  border: 2px solid var(--btn-border);
  -webkit-appearance: none;
  appearance: none;
}

.game-top-bar__back {
  background: var(--btn-bg);
  border: 2px solid var(--btn-border);
  box-shadow: 0 2px 8px var(--card-shadow);
}

.game-top-bar__exit:hover,
.game-top-bar__back:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(100, 70, 140, 0.28);
}

/* 开始页「返回列表」放在卡片内 */
.start-screen-header .back-to-list {
  position: static;
  display: inline-flex;
  min-height: 40px;
  padding: 8px 14px;
  font-size: 14px;
  background: var(--btn-bg);
  border: 2px solid var(--btn-border);
  border-radius: var(--radius-btn);
  box-shadow: 0 2px 8px var(--card-shadow);
  flex-shrink: 0;
}

.start-screen-header .back-to-list:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(100, 70, 140, 0.28);
}

.start-screen-header .back-to-list:active {
  transform: translateY(0);
}

/* 主卡片容器 */
.container {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  box-sizing: border-box;
}

/* 覆盖 JS 内联设置的 #c8c8c8，保持开始界面下方为糖果背景 */
#begin {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: transparent !important;
}

/* 开始界面 — 整张游戏卡 */
.center-box.start-screen {
  text-align: center;
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: 36px 24px 24px;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 24px;
  box-shadow: 0 12px 40px var(--card-shadow), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  overflow: visible;
}

/* 卡片顶部糖果条装饰 */
.center-box.start-screen::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(
    90deg,
    #FFB8D0 0%,
    #E8D0F8 25%,
    #C8A8E8 50%,
    #E8D0F8 75%,
    #FFB8D0 100%
  );
  border-radius: 22px 22px 0 0;
}

/* 开始页卡片头部：标题 + 返回列表 */
.start-screen-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  margin-bottom: 8px;
  padding: 0 0 8px;
  border-bottom: 1px solid rgba(212, 192, 240, 0.4);
}

.start-screen-header .title {
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.8);
  flex: 1;
  text-align: left;
}

/* 标题（非 header 内时保留原样式） */
.start-screen .title {
  font-size: clamp(36px, 8vw, 52px);
  font-weight: 800;
  color: var(--text-main);
  margin: 0 0 8px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.8);
}

/* 游戏说明 */
.game-intro {
  font-size: 15px;
  color: var(--text-soft);
  margin: 0 0 28px;
  line-height: 1.5;
  max-width: 280px;
}

/* 开始按钮容器 */
.start-button-wrap {
  margin: 8px 0 24px;
}

/* 中央开始按钮（圆形糖果风） */
.button {
  width: 120px;
  height: 120px;
  border: none;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(
    145deg,
    #C8A8E8 0%,
    #B898E0 40%,
    #A078D0 100%
  );
  box-shadow:
    0 6px 20px rgba(100, 70, 140, 0.35),
    0 2px 0 rgba(255, 255, 255, 0.25) inset,
    0 -2px 0 rgba(80, 50, 100, 0.2);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  font-family: inherit;
}

.button:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow:
    0 12px 28px rgba(100, 70, 140, 0.4),
    0 2px 0 rgba(255, 255, 255, 0.3) inset;
}

.button:active {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 12px rgba(100, 70, 140, 0.3) inset;
}

.button .txt-ar,
#txtAr {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: #fff;
  text-shadow: 0 1px 2px rgba(61, 45, 92, 0.3);
}

.button .text {
  font-size: 12px;
  padding: 0 8px;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 700;
  line-height: 1.2;
}

/* 操作区 */
.op {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding-top: 8px;
  border-top: 1px solid rgba(212, 192, 240, 0.5);
}

.op a {
  color: var(--btn-text);
  text-decoration: none;
}

.op a img {
  display: block;
  border-radius: var(--radius-btn);
}

#btnReset,
#btnReset2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: bold;
  color: var(--btn-text);
  background: var(--btn-bg);
  border: 2px solid var(--btn-border);
  border-radius: var(--radius-btn);
  box-shadow: 0 2px 8px var(--card-shadow);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

#btnReset:hover,
#btnReset2:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(100, 70, 140, 0.28);
}

#btnReset:active,
#btnReset2:active {
  transform: translateY(0);
}

#tip {
  font-size: 14px;
  color: var(--text-soft);
  margin-top: 15px;
  width: 100%;
  text-align: center;
}

/* 微信箭头遮罩（保留功能，糖果风半透明） */
#wxArrow {
  position: fixed;
  inset: 0;
  z-index: 100;
}

#wxArrow div {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  background: linear-gradient(
    180deg,
    rgba(61, 45, 92, 0.85) 0%,
    rgba(92, 74, 122, 0.8) 100%
  );
}

#wxArrow img {
  position: absolute;
  right: 25px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}