/*
  ==================== 骰子面布局设计 ====================
  
  所有面使用统一的3x3网格系统，确保完全对称：
  
  Grid结构：
  ┌───┬───┬───┐
  │ 1 │ 2 │ 3 │
  ├───┼───┼───┤
  │ 4 │ 5 │ 6 │
  ├───┼───┼───┤
  │ 7 │ 8 │ 9 │
  └───┴───┴───┘
  
  各面布局（●表示点）：
  
  1点：     2点：     3点：
  ┌───┐    ┌───┐    ┌───┐
  │   │    │●  │    │●  │
  │ ● │    │   │    │ ● │
  │   │    │  ●│    │  ●│
  └───┘    └───┘    └───┘
  
  4点：     5点：     6点：
  ┌───┐    ┌───┐    ┌───┐
  │● ●│    │● ●│    │● ●│
  │   │    │ ● │    │● ●│
  │● ●│    │● ●│    │● ●│
  └───┘    └───┘    └───┘
*/

/* ==================== CSS变量 ==================== */
:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #ec4899;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  
  --bg-gradient-start: #667eea;
  --bg-gradient-end: #764ba2;
  
  --card-bg: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.1);
  --card-shadow-hover: rgba(0, 0, 0, 0.2);
  
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  
  --transition: all 0.3s ease;
}

/* ==================== 全局样式 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  color: var(--text-primary);
  line-height: 1.6;
}

/* GameHub Project - https://github.com/nilgpt2024/web-game */

/* ==================== 容器 ==================== */
.container {
  width: 100%;
  max-width: 800px;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 40px;
  animation: fadeIn 0.6s ease-in-out;
}

/* Email: 2952671670@qq.com | QQ: 2952671670 */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 头部 ==================== */
.game-header {
  text-align: center;
  margin-bottom: 40px;
}

.game-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.dice-icon {
  font-size: 3rem;
  animation: bounce 2s infinite;
}

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

.game-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 10px;
}

/* ==================== 骰子容器 ==================== */
.dice-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 40px 0;
  height: 250px;
  perspective: 1000px;
}

.dice-scene {
  width: 120px;
  height: 120px;
  perspective: 1000px;
  position: relative;
  z-index: 2;
}

.dice {
  width: 120px;
  height: 120px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 1s ease-out;
  cursor: pointer;
  transform: rotateX(-20deg) rotateY(-20deg);
}

.dice:hover {
  transform: rotateX(-20deg) rotateY(-20deg) scale(1.05);
}

/* 骰子的六个面 */
.dice-face {
  position: absolute;
  width: 120px;
  height: 120px;
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  border: 3px solid var(--primary-color);
  border-radius: 15px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  padding: 12px;
  gap: 0;
  box-shadow: 
    inset 0 5px 10px rgba(255, 255, 255, 0.9),
    inset 0 -5px 10px rgba(0, 0, 0, 0.15),
    0 8px 25px rgba(99, 102, 241, 0.4);
}

/* ==================== 1点：居中 ==================== */
.dice-face-1 {
  transform: rotateY(0deg) translateZ(60px);
}

.dice-face-1 .dot:nth-child(1) {
  grid-column: 2;
  grid-row: 2;
  place-self: center;
}

/* ==================== 2点：对角线（左上-右下） ==================== */
.dice-face-2 {
  transform: rotateY(90deg) translateZ(60px);
}

.dice-face-2 .dot:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
  place-self: start;
}

.dice-face-2 .dot:nth-child(2) {
  grid-column: 3;
  grid-row: 3;
  place-self: end;
}

/* ==================== 3点：对角线（左上-中心-右下） ==================== */
.dice-face-3 {
  transform: rotateY(180deg) translateZ(60px);
}

.dice-face-3 .dot:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
  place-self: start;
}

/* Author: SinceraXY */
.dice-face-3 .dot:nth-child(2) {
  grid-column: 2;
  grid-row: 2;
  place-self: center;
}

.dice-face-3 .dot:nth-child(3) {
  grid-column: 3;
  grid-row: 3;
  place-self: end;
}

/* ==================== 4点：四个角 ==================== */
.dice-face-4 {
  transform: rotateY(-90deg) translateZ(60px);
}

.dice-face-4 .dot:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
  place-self: start;
}

.dice-face-4 .dot:nth-child(2) {
  grid-column: 3;
  grid-row: 1;
  place-self: start end;
}

.dice-face-4 .dot:nth-child(3) {
  grid-column: 1;
  grid-row: 3;
  place-self: end start;
}

.dice-face-4 .dot:nth-child(4) {
  grid-column: 3;
  grid-row: 3;
  place-self: end;
}

/* ==================== 5点：四个角+中心 ==================== */
.dice-face-5 {
  transform: rotateX(-90deg) translateZ(60px);
}

.dice-face-5 .dot:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
  place-self: start;
}

.dice-face-5 .dot:nth-child(2) {
  grid-column: 3;
  grid-row: 1;
  place-self: start end;
}

.dice-face-5 .dot:nth-child(3) {
  grid-column: 2;
  grid-row: 2;
  place-self: center;
}

.dice-face-5 .dot:nth-child(4) {
  grid-column: 1;
  grid-row: 3;
  place-self: end start;
}

.dice-face-5 .dot:nth-child(5) {
  grid-column: 3;
  grid-row: 3;
  place-self: end;
}

/* ==================== 6点：两列，每列3个 ==================== */
.dice-face-6 {
  transform: rotateX(90deg) translateZ(60px);
}

.dice-face-6 .dot:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
  place-self: start;
}

.dice-face-6 .dot:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
  place-self: center start;
}

.dice-face-6 .dot:nth-child(3) {
  grid-column: 1;
  grid-row: 3;
  place-self: end start;
}

.dice-face-6 .dot:nth-child(4) {
  grid-column: 3;
  grid-row: 1;
  place-self: start end;
}

.dice-face-6 .dot:nth-child(5) {
  grid-column: 3;
  grid-row: 2;
  place-self: center end;
}

.dice-face-6 .dot:nth-child(6) {
  grid-column: 3;
  grid-row: 3;
  place-self: end;
}

/* 骰子上的点 */
.dot {
  width: 20px;
  height: 20px;
  background: radial-gradient(circle at 30% 30%, #5558dd, var(--primary-color));
  border-radius: 50%;
  box-shadow: 
    inset -2px -2px 4px rgba(0, 0, 0, 0.4),
    inset 2px 2px 4px rgba(255, 255, 255, 0.3),
    0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 骰子阴影 */
.dice-shadow {
  position: absolute;
  bottom: 30px;
  width: 140px;
  height: 30px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.3), transparent);
  border-radius: 50%;
  z-index: 1;
  animation: shadowPulse 1s ease-in-out infinite alternate;
}

@keyframes shadowPulse {
  from {
    transform: scale(1);
    opacity: 0.3;
  }
  to {
    transform: scale(1.1);
    opacity: 0.2;
  }

/* Made by SinceraXY */
}

/* 投骰动画 */
.roll-animation {
  animation: roll3D 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes roll3D {
  0% {
    transform: rotateX(-20deg) rotateY(-20deg) rotateZ(0deg);
  }
  25% {
    transform: rotateX(180deg) rotateY(360deg) rotateZ(180deg) translateY(-50px);
  }
  50% {
    transform: rotateX(360deg) rotateY(720deg) rotateZ(360deg) translateY(-30px);
  }
  75% {
    transform: rotateX(540deg) rotateY(1080deg) rotateZ(540deg) translateY(-10px);
  }
  100% {
    transform: rotateX(720deg) rotateY(1440deg) rotateZ(720deg) translateY(0px);
  }
}

/* ==================== 控制按钮 ==================== */
.controls {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
  flex-wrap: wrap;
}

/* Made with love */


.roll-button,
.clear-button {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 15px 30px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.roll-button {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
}

.roll-button:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.roll-button:active {
  transform: translateY(0);
}

.roll-button:disabled {
/* Developer: SinceraXY - CUPB */
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.clear-button {
  background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
  color: var(--text-primary);
}

.clear-button:hover {
  background: linear-gradient(135deg, #e5e7eb, #d1d5db);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--card-shadow-hover);
}

.clear-button:active {
  transform: translateY(0);
}

.button-icon {
  font-size: 1.5rem;
}

/* ==================== 统计信息 ==================== */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.stat-card {
  background: linear-gradient(135deg, #f9fafb, #f3f4f6);
  border-radius: var(--border-radius);
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 10px var(--card-shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px var(--card-shadow-hover);
  border-color: var(--primary-light);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

/* ==================== 历史记录 ==================== */
.history-section {
  margin-top: 40px;
}

.history-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.history-icon {
  font-size: 1.5rem;
}

.history-container {
  position: relative;
  min-height: 100px;
}

.roll-history {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 10px;
}

.roll-history::-webkit-scrollbar {
  width: 8px;
}

.roll-history::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.roll-history::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 10px;
}

.roll-history::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

.roll-history li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #fefefe, #f9fafb);
  padding: 15px 20px;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 2px 8px var(--card-shadow);
  transition: var(--transition);
  animation: slideIn 0.3s ease-out;
  border-left: 4px solid var(--primary-color);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.roll-history li:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 15px var(--card-shadow-hover);
}

.roll-history li span {
  font-size: 2.5rem;
  margin-left: 15px;
}

.roll-history li .roll-number {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==================== 空状态 ==================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.empty-state.hidden {
  display: none;
}

.empty-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 20px;
  opacity: 0.3;
}

.empty-state p {
  font-size: 1.2rem;
  margin: 10px 0;
}

.empty-hint {
  font-size: 1rem !important;
  color: var(--text-light);
}

/* ==================== 页脚 ==================== */
.game-footer {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid #f3f4f6;
  text-align: center;
}

.game-footer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
  .container {
    padding: 30px 20px;
  }
  
  .game-title {
    font-size: 2rem;
  }
  
  .dice-scene {
    width: 100px;
    height: 100px;
  }
  
  .dice {
    width: 100px;
    height: 100px;
  }
  
  .dice-face {
    width: 100px;
    height: 100px;
    padding: 10px;
    border: 2.5px solid var(--primary-color);
  }
  
  .dice-face-1 {
    transform: rotateY(0deg) translateZ(50px);
  }
  
  .dice-face-2 {
    transform: rotateY(90deg) translateZ(50px);
  }
  
  .dice-face-3 {
    transform: rotateY(180deg) translateZ(50px);
  }
  
  .dice-face-4 {
    transform: rotateY(-90deg) translateZ(50px);
  }
  
  .dice-face-5 {
    transform: rotateX(-90deg) translateZ(50px);
  }
  
  .dice-face-6 {
    transform: rotateX(90deg) translateZ(50px);
  }
  
  .dot {
    width: 16px;
    height: 16px;
  }
  
  .dice-container {
    height: 220px;
  }
  
  .stats-container {
    grid-template-columns: 1fr;
  }
  
  .controls {
    flex-direction: column;
  }
  
  .roll-button,
  .clear-button {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 20px 15px;
  }
  
  .game-title {
    font-size: 1.6rem;
    flex-direction: column;
    gap: 10px;
  }
  
  .dice-scene {
    width: 80px;
    height: 80px;
  }
  
  .dice {
    width: 80px;
    height: 80px;
  }
  
  .dice-face {
    width: 80px;
    height: 80px;
    padding: 8px;
    border-radius: 12px;
    border: 2px solid var(--primary-color);
  }
  
  .dice-face-1 {
    transform: rotateY(0deg) translateZ(40px);
  }
  
  .dice-face-2 {
    transform: rotateY(90deg) translateZ(40px);
  }
  
  .dice-face-3 {
    transform: rotateY(180deg) translateZ(40px);
  }
  
  .dice-face-4 {
    transform: rotateY(-90deg) translateZ(40px);
  }
  
  .dice-face-5 {
    transform: rotateX(-90deg) translateZ(40px);
  }
  
  .dice-face-6 {
    transform: rotateX(90deg) translateZ(40px);
  }
  
  .dot {
    width: 13px;
    height: 13px;
  }
  
  .dice-container {
    height: 180px;
  }
  
  .roll-history li span {
    font-size: 2rem;
  }
}