/* ==========================================================================
   DomRate - Global Design Tokens & Base Configuration
   Based on user-defined design specifications & wireframe mockup
   ========================================================================== */

:root {
  /* 背景与容器 (Canvas & Surface) */
  --bg-canvas: #F8FAFC;
  --bg-surface: #FFFFFF;
  --border-subtle: #E2E8F0;
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-drawer: -10px 0 35px rgba(15, 23, 42, 0.12);

  /* 品牌与交互 (Brand & Interaction) */
  --brand-primary: #2563EB;
  --brand-primary-hover: #1D4ED8;
  --brand-primary-light: #EFF6FF;
  --brand-primary-border: #BFDBFE;

  /* 文本层级 (Typography) */
  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;

  /* 状态反馈：可注册 (Available) */
  --status-available-text: #059669;
  --status-available-bg: #D1FAE5;
  --status-available-border: #A7F3D0;

  /* 状态反馈：预警与溢价 (Warning / Premium) */
  --status-warning-text: #EA580C;
  --status-warning-bg: #FFEDD5;
  --status-warning-border: #FED7AA;

  /* 状态反馈：已被占用 (Taken / Registered) */
  --status-taken-text: #64748B;
  --status-taken-bg: #F1F5F9;
  --status-taken-border: #E2E8F0;

  /* 布局与圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* 字体家族 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Base Reset & Smooth Rendering */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--brand-primary-hover);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}