/**
 * 小猿工具站 - 统一设计系统
 * 所有页面共用此样式，保持视觉一致性
 */

/* ========== 设计令牌 ========== */
:root {
  /* 主色 */
  --xy-primary: #007bff;
  --xy-primary-hover: #0056b3;
  --xy-primary-light: rgba(0, 123, 255, 0.12);
  --xy-accent: #00c6ff;
  
  /* 背景 */
  --xy-bg: #f0f2f5;
  --xy-bg-gradient: linear-gradient(135deg, #e0f7fa 0%, #f1f8ff 50%, #e8f4fd 100%);
  --xy-card-bg: #ffffff;
  --xy-card-border: rgba(0, 123, 255, 0.08);
  
  /* 文字 */
  --xy-text-main: #2c3e50;
  --xy-text-sub: #5a6c7d;
  --xy-text-muted: #8b9cad;
  
  /* 边框与阴影 */
  --xy-radius: 12px;
  --xy-radius-lg: 16px;
  --xy-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --xy-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --xy-shadow-lg: 0 16px 48px rgba(0, 123, 255, 0.12);
  
  /* 状态色 */
  --xy-success: #10b981;
  --xy-warning: #f59e0b;
  --xy-danger: #ef4444;
  --xy-info: #3b82f6;
}

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

/* ========== 全局基础 ========== */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--xy-bg-gradient);
  background-attachment: fixed;
  color: var(--xy-text-main);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
  line-height: 1.5;
}

/* ========== 通用卡片 ========== */
.xy-card {
  background: var(--xy-card-bg);
  border-radius: var(--xy-radius-lg);
  box-shadow: var(--xy-shadow-md);
  border: 1px solid var(--xy-card-border);
  padding: 24px;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.xy-card:hover {
  box-shadow: var(--xy-shadow-lg);
}

/* ========== 通用按钮 ========== */
.xy-btn {
  background: linear-gradient(135deg, var(--xy-primary), var(--xy-accent));
  color: #fff;
  border: none;
  border-radius: var(--xy-radius);
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.xy-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.35);
}

.xy-btn:active:not(:disabled) {
  transform: translateY(0);
}

.xy-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ========== 通用输入框 ========== */
.xy-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border: 2px solid #e5e7eb;
  border-radius: var(--xy-radius);
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.xy-input:focus {
  border-color: var(--xy-primary);
  box-shadow: 0 0 0 3px var(--xy-primary-light);
}

/* ========== 通用标题 ========== */
.xy-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--xy-text-main);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.xy-subtitle {
  font-size: 0.875rem;
  color: var(--xy-text-sub);
  margin: 0;
}

/* ========== 信息卡片网格 ========== */
.xy-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.xy-info-card {
  background: #f8fafc;
  padding: 14px;
  border-radius: var(--xy-radius);
  border: 1px solid #eef2f6;
  transition: all 0.2s ease;
}

.xy-info-card:hover {
  background: #f1f5f9;
  border-color: var(--xy-primary-light);
}

.xy-info-label {
  font-size: 0.75rem;
  color: var(--xy-text-sub);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.xy-info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--xy-text-main);
}

/* ========== 加载动画 ========== */
.xy-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: xy-spin 0.8s linear infinite;
}

@keyframes xy-spin {
  to { transform: rotate(360deg); }
}

/* ========== Toast 提示 ========== */
.xy-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--xy-text-main);
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.9rem;
  box-shadow: var(--xy-shadow-lg);
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* ========== 错误提示 ========== */
.xy-error {
  background: #fef2f2;
  color: var(--xy-danger);
  border: 1px solid #fecaca;
  padding: 12px;
  border-radius: var(--xy-radius);
  font-size: 0.9rem;
  margin-top: 12px;
  display: none;
}

/* ========== 毛玻璃容器 ========== */
.xy-glass {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--xy-shadow-md);
}

/* ========== 动画 ========== */
@keyframes xy-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.xy-fade-in {
  animation: xy-fadeIn 0.4s ease-out forwards;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }