/* ============================================
   像素养鱼小游戏 — 共享样式表
   暗色深海主题 · 像素风 · 霓虹蓝绿
   ============================================ */

/* ---------- CSS 自定义属性 (主题色) ---------- */
:root {
  --color-bg: #0a0e1a;
  --color-bg-card: #111827;
  --color-bg-card-hover: #1a2332;
  --color-primary: #00e5ff;
  --color-secondary: #00c853;
  --color-accent: #ff6d00;
  --color-gold: #ffd600;
  --color-text: #e0e0e0;
  --color-text-dim: #8892a0;
  --color-border: #1e2d3d;
  --color-glow: rgba(0, 229, 255, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: linear-gradient(145deg, #0a0e1a 0%, #0d1520 50%, #0a121e 100%);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  padding: 0 16px 40px;
}

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

/* ---------- 导航栏 ---------- */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  max-width: 800px;
  margin: 0 auto 24px;
  border-bottom: 1px solid var(--color-border);
}

.nav-bar .logo {
  font-size: 1.3rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(0, 229, 255, 0.08);
}

/* ---------- 卡片网格 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--color-text);
  display: block;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px var(--color-glow);
  background: var(--color-bg-card-hover);
}

.card:active {
  transform: translateY(-1px);
}

.card-icon {
  font-size: 2.8rem;
  display: block;
  margin-bottom: 12px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-stack);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #00b8d4);
  color: #0a0e1a;
}

.btn-primary:hover {
  transform: scale(1.04);
  box-shadow: 0 0 20px var(--color-glow);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.1);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4d4d, #d92626);
  color: #fff;
}

.btn-danger:hover {
  transform: scale(1.04);
  box-shadow: 0 0 20px rgba(255, 77, 77, 0.3);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), #ff9100);
  color: #fff;
}

.btn-accent:hover {
  transform: scale(1.04);
  box-shadow: 0 0 20px rgba(255, 109, 0, 0.3);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* ---------- 页面容器 ---------- */
.page-container {
  max-width: 800px;
  margin: 0 auto;
}

.page-header {
  text-align: center;
  padding: 24px 0 16px;
}

.page-header p {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ---------- 状态栏 (金币/鱼币) ---------- */
.status-bar {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 12px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  max-width: 400px;
  margin: 0 auto 20px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1rem;
  font-weight: 600;
}

.stat-item .icon {
  font-size: 1.2rem;
}

/* ---------- 消息提示 (toast) ---------- */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-80px);
  background: var(--color-bg-card);
  border: 1px solid var(--color-primary);
  color: var(--color-text);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  z-index: 999;
  opacity: 0;
  transition: all 0.35s ease;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

/* ---------- 斗鱼对战页 ---------- */
.battle-arena {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.battle-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 24px 16px;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.battle-fighter {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 16px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.2);
}

.battle-fighter .bf-emoji {
  font-size: 3.4rem;
  display: block;
  margin-bottom: 8px;
}

.battle-fighter .bf-name {
  font-size: 1rem;
  font-weight: 700;
}

.battle-fighter .bf-grade {
  font-size: 0.8rem;
  font-weight: 600;
  margin: 4px 0;
}

.battle-fighter .bf-power {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.battle-vs {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  text-shadow: 0 0 20px rgba(255,109,0,0.5);
}

.battle-fighter.winner {
  border: 2px solid var(--color-gold);
  box-shadow: 0 0 24px rgba(255,214,0,0.3);
}

.battle-fighter.loser {
  opacity: 0.5;
  filter: grayscale(0.6);
}

.battle-pick {
  margin-bottom: 20px;
}

.battle-pick-title {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  margin-bottom: 10px;
}

.battle-result-box {
  background: var(--color-bg-card);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 0 30px rgba(255,214,0,0.2);
}

.battle-result-box .br-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.battle-result-box .br-detail {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  margin-bottom: 12px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 600px) {
  body {
    padding: 0 12px 32px;
  }

  .gradient-title {
    font-size: 1.5rem;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .card {
    padding: 16px 12px;
  }

  .card-icon {
    font-size: 2.2rem;
  }

  .nav-bar {
    flex-direction: column;
    gap: 8px;
  }

  .status-bar {
    gap: 12px;
    font-size: 0.85rem;
  }
}

@media (max-width: 380px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}