/* 世界天气地图应用 - 样式文件 */
/* 使用 CSS 变量实现深色/浅色主题切换 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Work+Sans:wght@300;400;500;600;700&display=swap');

/* ============ CSS 变量 - 主题系统 ============ */
:root {
  /* 字体 */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  
  /* 浅色主题 (默认) */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-hover: rgba(255, 255, 255, 0.95);
  
  --text-primary: #1E293B;
  --text-secondary: #475569;
  --text-muted: #64748B;
  
  --border-color: #E2E8F0;
  --border-glass: rgba(255, 255, 255, 0.3);
  
  --accent-primary: #3B82F6;
  --accent-secondary: #60A5FA;
  --accent-cta: #F97316;
  
  /* 凉鞋适宜度颜色 */
  --sandal-perfect: #22c55e;
  --sandal-good: #84cc16;
  --sandal-ok: #eab308;
  --sandal-cold: #f97316;
  --sandal-no: #ef4444;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* 深色主题 */
[data-theme="dark"] {
  --bg-primary: #0A0E27;
  --bg-secondary: #121212;
  --bg-glass: rgba(18, 18, 18, 0.85);
  --bg-glass-hover: rgba(30, 30, 30, 0.95);
  
  --text-primary: #F1F5F9;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  
  --border-color: #1E293B;
  --border-glass: rgba(255, 255, 255, 0.1);
  
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ============ 地图容器 ============ */
#map {
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* ============ 控制面板 ============ */
.control-panel {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  display: flex;
  gap: 10px;
}

.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-glass);
}

.control-btn:hover {
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.control-btn:active {
  transform: translateY(0);
}

.control-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.control-btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

.control-btn.loading .btn-icon {
  animation: spin 1s linear infinite;
}

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

/* ============ 标题栏 ============ */
.header-panel {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1000;
  padding: 16px 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.header-panel h1 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.header-panel .subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.header-panel .stats {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-glass);
  font-size: 12px;
  color: var(--text-secondary);
}

.header-panel .stats span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============ 图例面板 ============ */
.legend-panel {
  position: fixed;
  bottom: 24px;
  left: 16px;
  z-index: 1000;
  padding: 16px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.legend-panel h3 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.legend-temp {
  font-weight: 500;
  color: var(--text-muted);
  margin-left: auto;
  font-size: 12px;
}

/* ============ 加载状态 ============ */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-text {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-secondary);
}

.loading-progress {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ============ Leaflet 弹窗样式覆盖 ============ */
.leaflet-popup-content-wrapper {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-glass) !important;
  padding: 0 !important;
  overflow: hidden;
}

.leaflet-popup-content {
  margin: 0 !important;
  padding: 16px 20px !important;
  font-family: var(--font-body) !important;
  color: var(--text-primary) !important;
  min-width: 200px !important;
}

.leaflet-popup-tip {
  background: var(--bg-glass) !important;
  border: 1px solid var(--border-glass) !important;
}

.leaflet-popup-close-button {
  color: var(--text-muted) !important;
  font-size: 20px !important;
  padding: 8px 10px !important;
}

.leaflet-popup-close-button:hover {
  color: var(--text-primary) !important;
}

/* 弹窗内容样式 */
.popup-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-glass);
}

.popup-city-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.popup-country {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: auto;
}

.popup-temp {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.popup-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.popup-detail-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.popup-detail-row svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.popup-sandal {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  margin-top: 12px;
}

.popup-sandal-icon {
  font-size: 24px;
}

.popup-sandal-text {
  font-weight: 600;
  font-size: 14px;
}

.popup-sandal-desc {
  font-size: 12px;
  opacity: 0.8;
}

/* 凉鞋推荐状态样式 */
.sandal-perfect {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #16a34a;
}

.sandal-good {
  background: linear-gradient(135deg, rgba(132, 204, 22, 0.2), rgba(132, 204, 22, 0.1));
  border: 1px solid rgba(132, 204, 22, 0.3);
  color: #65a30d;
}

.sandal-ok {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.2), rgba(234, 179, 8, 0.1));
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: #ca8a04;
}

.sandal-cold {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(249, 115, 22, 0.1));
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: #ea580c;
}

.sandal-no {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.1));
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #dc2626;
}

[data-theme="dark"] .sandal-perfect { color: #4ade80; }
[data-theme="dark"] .sandal-good { color: #a3e635; }
[data-theme="dark"] .sandal-ok { color: #facc15; }
[data-theme="dark"] .sandal-cold { color: #fb923c; }
[data-theme="dark"] .sandal-no { color: #f87171; }

/* ============ 自定义标记样式 ============ */
.city-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  color: white;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.city-marker:hover {
  transform: scale(1.15);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  z-index: 1000 !important;
}

/* ============ 响应式设计 ============ */
@media (max-width: 768px) {
  .control-panel {
    top: auto;
    bottom: 24px;
    right: 16px;
    flex-direction: column;
  }
  
  .header-panel {
    left: 12px;
    right: 12px;
    top: 12px;
    padding: 12px 16px;
  }
  
  .header-panel h1 {
    font-size: 16px;
  }
  
  .header-panel .stats {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .legend-panel {
    left: 12px;
    right: auto;
    bottom: 100px;
    padding: 12px 16px;
  }
  
  .control-btn {
    padding: 10px 16px;
    font-size: 13px;
  }
}

/* ============ 打印样式 ============ */
@media print {
  .control-panel,
  .legend-panel,
  .loading-overlay {
    display: none !important;
  }
}