/* ============================================
   天天三国 - 主题变量与基础样式
   Theme: 古战场 · 深红金墨
   ============================================ */

:root {
  /* 主色调 */
  --color-primary: #8B0000;
  --color-primary-light: #B22222;
  --color-primary-dark: #5c0000;
  --color-gold: #DAA520;
  --color-gold-light: #FFD700;
  --color-gold-dark: #b8860b;

  /* 背景色 */
  --color-bg-dark: #1a1a1a;
  --color-bg-card: #2a2020;
  --color-bg-panel: #1e1212;
  --color-bg-input: #251818;
  --color-bg-hover: #352525;

  /* 文字色 */
  --color-text: #f0e6d3;
  --color-text-dim: #a09080;
  --color-text-bright: #fff5e6;

  /* 边框 */
  --color-border: #4a3030;
  --color-border-light: #6a4a4a;

  /* 功能色 */
  --color-success: #2ecc71;
  --color-danger: #e74c3c;
  --color-info: #3498db;
  --color-warning: #f39c12;

  /* 稀有度颜色 */
  --rarity-n: #4caf50;
  --rarity-r: #2196f3;
  --rarity-sr: #9c27b0;
  --rarity-ssr: #ff6f00;
  --rarity-ssr-glow: #ff9800;

  /* 势力颜色 */
  --faction-shu: #e53935;
  --faction-wei: #1e88e5;
  --faction-wu: #43a047;
  --faction-qun: #fdd835;

  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* 圆角 */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow-gold: 0 0 15px rgba(218, 165, 32, 0.4);
  --shadow-glow-red: 0 0 15px rgba(139, 0, 0, 0.5);

  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* 字体 */
  --font-body: "Noto Serif SC", "SimSun", "STSong", "Songti SC", serif;
  --font-display: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
}

/* ============================================
   基础重置
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* 微妙的纹理背景 - 宣纸质感 */
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(139, 0, 0, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(218, 165, 32, 0.04) 0%, transparent 50%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.008) 2px,
      rgba(255, 255, 255, 0.008) 4px
    );
  background-attachment: fixed;
}

/* ============================================
   文字选择
   ============================================ */
::selection {
  background: var(--color-primary);
  color: var(--color-gold-light);
}

::-moz-selection {
  background: var(--color-primary);
  color: var(--color-gold-light);
}

/* ============================================
   滚动条
   ============================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-light);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg-dark);
}

/* ============================================
   基础元素
   ============================================ */
a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-gold-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}

input,
textarea {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px rgba(218, 165, 32, 0.2);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-dim);
  opacity: 0.6;
}

/* ============================================
   工具类
   ============================================ */
.text-gold { color: var(--color-gold); }
.text-red { color: var(--color-primary-light); }
.text-dim { color: var(--color-text-dim); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.font-display { font-family: var(--font-display); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 装饰性分隔线 */
.divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border-light) 20%,
    var(--color-gold-dark) 50%,
    var(--color-border-light) 80%,
    transparent
  );
  margin: var(--spacing-md) 0;
  border: none;
}

/* 古风装饰角 */
.ornate-box {
  position: relative;
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
}

.ornate-box::before,
.ornate-box::after {
  content: '◆';
  position: absolute;
  color: var(--color-gold-dark);
  font-size: 0.625rem;
  line-height: 1;
}

.ornate-box::before {
  top: -0.375rem;
  left: -0.375rem;
}

.ornate-box::after {
  bottom: -0.375rem;
  right: -0.375rem;
}

/* ============================================
   移动端响应式 - 全局
   ============================================ */
body, #app, .page {
  overflow-x: hidden;
  max-width: 100vw;
}

@media (max-width: 480px) {
  body {
    font-size: 0.8125rem;
  }
  .page-title {
    font-size: 1rem;
  }
  .stat-value {
    font-size: 0.875rem;
  }
}