/* ========== 日漫风格全局变量 ========== */
:root {
  /* 配色方案 */
  --anime-primary: #00f2fe; /* 电光蓝 */
  --anime-secondary: #ff0099; /* 活力粉 */
  --anime-accent: #f1c40f; /* 柠檬黄 */
  --anime-bg: #1a0b2e; /* 深紫黑 */
  --anime-dark: #0f0518; /* 更深的背景 */
  --anime-text: #ffffff;

  /* 边框与阴影 */
  --anime-border: 3px solid #000000;
  --anime-shadow: 5px 5px 0px #000000;
  --anime-shadow-hover: 8px 8px 0px #000000;

  /* 字体 */
  --font-main: "Segoe UI", "Arial Black", sans-serif;
}

/* ========== 全局样式 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

body {
  font-family: var(--font-main);
  background-color: var(--anime-bg);
  /* 半调网点背景纹理 */
  background-image: radial-gradient(var(--anime-dark) 15%, transparent 16%),
    radial-gradient(var(--anime-dark) 15%, transparent 16%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
  color: var(--anime-text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* ========== 屏幕容器 ========== */
.screen {
  display: none;
  width: 100%;
  height: 100vh;
  justify-content: center;
  align-items: center;
  position: relative;
}

.screen.active {
  display: flex;
}

/* ========== 通用 UI 组件 ========== */
.anime-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  border: var(--anime-border);
  box-shadow: var(--anime-shadow);
  /* 斜切角设计 */
  clip-path: polygon(
    10px 0,
    100% 0,
    100% calc(100% - 10px),
    calc(100% - 10px) 100%,
    0 100%,
    0 10px
  );
  padding: 2rem;
  position: relative;
}

.anime-btn {
  font-family: var(--font-main);
  font-size: 1.2rem;
  font-weight: 900;
  text-transform: uppercase;
  color: #000;
  background: var(--anime-primary);
  border: var(--anime-border);
  box-shadow: var(--anime-shadow);
  padding: 0.8rem 2.5rem;
  cursor: pointer;
  transition: all 0.1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  margin: 0.5rem;
  /* 斜切角 */
  clip-path: polygon(
    10px 0,
    100% 0,
    100% calc(100% - 10px),
    calc(100% - 10px) 100%,
    0 100%,
    0 10px
  );
}

.anime-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--anime-shadow-hover);
  background: #fff;
}

.anime-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #000;
}

.anime-btn.secondary {
  background: #fff;
  color: #000;
}

.anime-btn.accent {
  background: var(--anime-secondary);
  color: #fff;
}

/* ========== 主菜单 ========== */
.menu-container {
  text-align: center;
  z-index: 10;
}

.game-title {
  font-size: 5rem;
  font-weight: 900;
  color: var(--anime-primary);
  text-shadow: 4px 4px 0px #000, -2px -2px 0px var(--anime-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: -2px;
  transform: skew(-5deg);
  animation: titleFloat 2s ease-in-out infinite;
}

.game-subtitle {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  background: #000;
  display: inline-block;
  padding: 0.2rem 1rem;
  transform: skew(-10deg);
  margin-bottom: 3rem;
  border: 2px solid var(--anime-primary);
}

/* ========== 关卡选择 ========== */
.level-select-container {
  text-align: center;
  width: 100%;
  max-width: 1000px;
}

.level-select-container h2 {
  font-size: 3rem;
  color: var(--anime-accent);
  text-shadow: 3px 3px 0px #000;
  margin-bottom: 2rem;
  font-style: italic;
}

.level-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  padding: 1rem;
}

.level-card {
  background: #fff;
  color: #000;
  border: var(--anime-border);
  box-shadow: var(--anime-shadow);
  width: 220px;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.level-card:hover {
  transform: translateY(-10px) rotate(-2deg);
  box-shadow: 10px 10px 0px var(--anime-primary);
  z-index: 5;
}

.level-card h3 {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  border-bottom: 3px solid #000;
  padding-bottom: 0.2rem;
}

.level-card p {
  font-size: 0.9rem;
  font-weight: bold;
  opacity: 0.8;
}

.level-card.completed::after {
  content: "CLEARED";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-30deg);
  font-size: 2rem;
  font-weight: 900;
  color: var(--anime-secondary);
  border: 3px solid var(--anime-secondary);
  padding: 0.2rem 0.5rem;
  opacity: 0.8;
  pointer-events: none;
}

/* ========== 游戏画面 ========== */
#gameScreen {
  background: #0f0518;
}

#gameCanvas {
  border: var(--anime-border);
  box-shadow: 0 0 0 5px #fff, 0 0 0 8px #000;
  background: #151525;
  /* 简单的网格背景 */
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.05) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ========== HUD ========== */
.hud {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  padding: 1rem;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.hud > * {
  pointer-events: auto;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.level-name {
  background: #000;
  color: var(--anime-accent);
  padding: 0.5rem 1.5rem;
  font-size: 1.5rem;
  font-weight: 900;
  font-style: italic;
  border: 2px solid #fff;
  transform: skew(-10deg);
  box-shadow: 3px 3px 0px var(--anime-secondary);
}

.clone-count {
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 0.5rem 1rem;
  font-weight: bold;
  border: 2px solid var(--anime-primary);
  border-radius: 5px;
}

.hud-bottom {
  display: flex;
  justify-content: center;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  background: rgba(0, 0, 0, 0.5);
  padding: 1rem;
  border-radius: 10px;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hud-btn {
  font-family: var(--font-main);
  font-weight: 900;
  border: 2px solid #000;
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s;
  box-shadow: 3px 3px 0px #000;
}

.record-btn {
  background: var(--anime-secondary);
  color: #fff;
}

.record-btn:hover {
  transform: scale(1.1);
  box-shadow: 5px 5px 0px #000;
}

.record-btn.recording {
  background: #ff0000;
  animation: pulse 0.5s infinite alternate;
}

.reset-btn {
  background: var(--anime-primary);
  color: #000;
}

.clear-btn {
  background: #9b59b6;
  color: #fff;
}

.clear-btn:hover {
  background: #8e44ad;
}

.record-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #000;
  padding: 0.2rem 0.5rem;
  border: 2px solid #fff;
}

.progress-bar {
  width: 150px;
  height: 15px;
  background: #333;
  border: 1px solid #fff;
}

.progress-fill {
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    var(--anime-secondary),
    var(--anime-secondary) 10px,
    #ff55b3 10px,
    #ff55b3 20px
  );
  width: 0%;
  transition: width 0.1s linear;
}

.record-time {
  color: var(--anime-secondary);
  font-family: monospace;
  font-weight: bold;
  font-size: 1.2rem;
}

/* ========== 弹窗 (教程/暂停/结算) ========== */
.overlay-box {
  background: #fff;
  border: 4px solid #000;
  box-shadow: 10px 10px 0px var(--anime-primary);
  padding: 2rem;
  max-width: 500px;
  text-align: center;
  position: relative;
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.overlay-box::before {
  /* 装饰性角标 */
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  width: 20px;
  height: 20px;
  background: var(--anime-accent);
  border: 2px solid #000;
}

.overlay-box h2 {
  font-size: 2.5rem;
  color: #000;
  text-transform: uppercase;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 0px var(--anime-secondary);
  font-style: italic;
}

.overlay-box p {
  font-size: 1.2rem;
  color: #333;
  margin-bottom: 2rem;
  font-weight: bold;
  line-height: 1.5;
}

/* 教程特定样式 */
.tutorial-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.tutorial-overlay.hidden {
  display: none;
}

/* 暂停菜单 */
.pause-menu {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 11, 46, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(5px);
}

.pause-menu.hidden {
  display: none;
}

/* 关卡完成 */
.level-complete {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.level-complete.hidden {
  display: none;
}

.complete-box {
  border-color: var(--anime-accent);
  box-shadow: 10px 10px 0px var(--anime-accent);
  background: #fff;
}

.complete-title {
  color: var(--anime-accent) !important;
  text-shadow: 3px 3px 0px #000 !important;
  font-size: 3.5rem !important;
  transform: rotate(-5deg);
}

/* ========== 动画 ========== */
@keyframes titleFloat {
  0%,
  100% {
    transform: translateY(0) skew(-5deg);
  }
  50% {
    transform: translateY(-10px) skew(-5deg);
  }
}

@keyframes pulse {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.5) rotate(-10deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

.hidden {
  display: none !important;
}