/* ============================================================
   时空粽旅 · 共享样式表
   所有页面共用，CSS 自定义属性定义主题色
   ============================================================ */

/* ---------- 主题色变量 ---------- */
:root {
  --color-primary: #2d6a4f;
  --color-primary-light: #40916c;
  --color-primary-dark: #1b4332;
  --color-accent: #d62828;
  --color-accent-light: #ef5350;
  --color-gold: #f4a261;
  --color-cyber: #7b2ff7;
  --color-cyber-light: #a855f7;
  --color-cream: #f8f0e3;
  --color-bg-start: #0a0a1a;
  --color-bg-end: #1a1a2e;
  --color-card: rgba(255, 255, 255, 0.06);
  --color-card-hover: rgba(255, 255, 255, 0.10);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-text: #e8e0d0;
  --color-text-dim: #a09888;
  --color-text-bright: #ffffff;
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-error: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.25s ease;
}

/* ---------- 全局重置 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(135deg, var(--color-bg-start), var(--color-bg-end));
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  padding: 20px;
}

/* ---------- 渐变标题 ---------- */
.gradient-title {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-cyber-light), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--color-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  background: var(--color-card-hover);
}

.card-glow {
  box-shadow: 0 0 20px rgba(123, 47, 247, 0.15);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  text-decoration: none;
  color: var(--color-text-bright);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  user-select: none;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
}

.btn-accent:hover {
  box-shadow: 0 6px 20px rgba(214, 40, 40, 0.4);
}

.btn-cyber {
  background: linear-gradient(135deg, var(--color-cyber), var(--color-cyber-light));
}

.btn-cyber:hover {
  box-shadow: 0 6px 20px rgba(123, 47, 247, 0.4);
}

.btn-gold {
  background: linear-gradient(135deg, #d4a017, var(--color-gold));
  color: #1a1a2e;
}

.btn-gold:hover {
  box-shadow: 0 6px 20px rgba(244, 162, 97, 0.4);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ---------- 导航栏 ---------- */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  font-size: 0.9rem;
}

.nav-links a:hover {
  color: var(--color-text-bright);
  background: var(--color-card);
}

/* ---------- 游戏容器 ---------- */
.game-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.game-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 20px;
}

@media (max-width: 768px) {
  .game-layout {
    grid-template-columns: 1fr;
  }
  .gradient-title {
    font-size: 1.6rem;
  }
  body {
    padding: 12px;
  }
}

/* ---------- 游戏主区域 ---------- */
.game-area {
  min-height: 400px;
  position: relative;
}

/* ---------- 侧边栏 ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.score-panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
}

.score-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.95rem;
}

.score-item .label {
  color: var(--color-text-dim);
}

.score-item .value {
  font-weight: 700;
  color: var(--color-gold);
}

/* ---------- 底部操作栏 ---------- */
.bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--color-border);
  margin-top: 8px;
}

.hint-text {
  color: var(--color-text-dim);
  font-size: 0.85rem;
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal-box {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-box h2 {
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.modal-box p {
  margin-bottom: 12px;
  line-height: 1.7;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* ---------- Toast 提示 ---------- */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  z-index: 2000;
  animation: slideDown 0.4s ease, fadeOut 0.4s ease 2.6s forwards;
  font-weight: 500;
  max-width: 90%;
  text-align: center;
}

.toast-success { border-color: var(--color-success); color: var(--color-success); }
.toast-error { border-color: var(--color-error); color: var(--color-error); }
.toast-info { border-color: var(--color-cyber); color: var(--color-cyber-light); }

/* ---------- 动画 ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
  from { transform: translateX(-50%) translateY(-20px); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.pulse { animation: pulse 2s ease-in-out infinite; }
.float { animation: float 3s ease-in-out infinite; }

/* ---------- 入口卡片网格 ---------- */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.entry-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.entry-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  background: var(--color-card-hover);
}

.entry-card .emoji-icon {
  font-size: 2.8rem;
}

.entry-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.entry-card p {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
}

.entry-card .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(123, 47, 247, 0.2);
  color: var(--color-cyber-light);
  align-self: flex-start;
}

/* ---------- Canvas 容器 ---------- */
.canvas-wrap {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

canvas {
  display: block;
  max-width: 100%;
}

/* ---------- 输入框 ---------- */
.input-field {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color var(--transition);
  outline: none;
  font-family: inherit;
}

.input-field:focus {
  border-color: var(--color-cyber);
  box-shadow: 0 0 0 3px rgba(123, 47, 247, 0.2);
}

.input-field::placeholder {
  color: var(--color-text-dim);
}

/* ---------- 分享按钮 ---------- */
.share-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.share-link-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text-dim);
  font-size: 0.85rem;
  outline: none;
  cursor: default;
}

/* ---------- 滚动条美化 ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }