/* ===== Timely Tools 设计系统 (简约现代) ===== */
:root {
  /* 色彩系统 - 保持简单但完整 */
  --color-primary: #06b6d4;
  --color-primary-dark: #0891b2;
  --color-primary-light: #67e8f9;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  
  /* 亮色主题 */
  --bg-primary: linear-gradient(135deg, var(--color-gray-50) 0%, #ffffff 100%);
  --bg-card: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.85));
  --bg-card-hover: rgba(255,255,255,0.98);
  --border-subtle: rgba(0,0,0,0.08);
  --border-hover: var(--color-primary);
  --shadow-card: 0 4px 16px rgba(0,0,0,0.05), 0 0 0 1px rgba(6,182,212,0.1);
  --shadow-card-hover: 0 16px 40px rgba(6,182,212,0.18), 0 0 0 1px rgba(6,182,212,0.3);
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --accent: var(--color-primary);
  --accent-glow: rgba(6,182,212,0.3);
  
  /* 功能色 */
  --success-bg: rgba(16,185,129,0.1);
  --warning-bg: rgba(245,158,11,0.1);
  --error-bg: rgba(239,68,68,0.1);
}

.dark {
  /* 深色主题 - Nord风格 */
  --color-primary: #7aa2f7;
  --color-primary-dark: #5e8ce6;
  --color-primary-light: #89b4fa;
  --color-success: #41d6a3;
  --color-warning: #ffcc33;
  --color-error: #ff6b6b;
  
  /* 深色主题变量 */
  --bg-primary: linear-gradient(135deg, #1a1b26 0%, #16161e 50%, #1f2335 100%);
  --bg-card: linear-gradient(135deg, rgba(40,42,54,0.95), rgba(35,38,52,0.9));
  --bg-card-hover: rgba(50,52,68,0.98);
  --border-subtle: rgba(255,255,255,0.06);
  --border-hover: var(--color-primary);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.35), 0 0 0 1px rgba(122,162,247,0.08);
  --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.45), 0 0 0 1px rgba(122,162,247,0.15), 0 0 60px rgba(122,162,247,0.05);
  --text-primary: #c0caf5;
  --text-secondary: #565f89;
  --accent: var(--color-primary);
  --accent-glow: rgba(122,162,247,0.25);
  
  /* 功能色深色版 */
  --success-bg: rgba(65,214,163,0.15);
  --warning-bg: rgba(255,204,51,0.15);
  --error-bg: rgba(255,107,107,0.15);
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease;
}

/* ===== 滚动条 - 现代风格 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { 
  background: linear-gradient(180deg, #d1d5db 0%, #c9d1d9 100%); 
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #9ca3af 0%, #8b949e 100%);
  background-clip: padding-box;
}
.dark ::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #3d4452 0%, #2d333b 100%);
  background-clip: padding-box;
}
.dark ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #4d5462 0%, #3d444d 100%);
  background-clip: padding-box;
}

/* ===== 选中 - 柔和高亮 ===== */
::selection { background: rgba(6,182,212,0.25); color: inherit; }
.dark ::selection { background: rgba(122,162,247,0.3); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.375rem; padding: 0.5rem 1rem;
  border-radius: 0.5rem; font-weight: 600; font-size: 0.875rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; border: none; white-space: nowrap;
  user-select: none; position: relative; overflow: hidden;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: white; box-shadow: 0 4px 12px var(--accent-glow); }
.btn-primary:hover { background: linear-gradient(135deg, var(--color-primary-dark), #0e7490); box-shadow: 0 6px 16px var(--accent-glow); transform: translateY(-1px); }
.btn-secondary { background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300)); color: var(--color-gray-700); }
.btn-secondary:hover { background: linear-gradient(135deg, var(--color-gray-300), var(--color-gray-400)); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--color-gray-500); border: 1px solid rgba(0,0,0,0.1); }
.btn-ghost:hover { background: rgba(0,0,0,0.05); color: var(--color-gray-900); transform: translateY(-1px); }
.btn-success { background: linear-gradient(135deg, var(--color-success), #0ca678); color: white; }
.btn-success:hover { background: linear-gradient(135deg, #0ca678, #0d9771); transform: translateY(-1px); }
.btn-warning { background: linear-gradient(135deg, var(--color-warning), #d97706); color: white; }
.btn-warning:hover { background: linear-gradient(135deg, #d97706, #b45309); transform: translateY(-1px); }
.btn-error { background: linear-gradient(135deg, var(--color-error), #dc2626); color: white; }
.btn-error:hover { background: linear-gradient(135deg, #dc2626, #b91c1c); transform: translateY(-1px); }

.dark .btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #1a1b26; box-shadow: 0 4px 16px var(--accent-glow), 0 0 0 1px rgba(122,162,247,0.2); }
.dark .btn-primary:hover { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); box-shadow: 0 6px 20px var(--accent-glow), 0 0 0 1px rgba(122,162,247,0.3); transform: translateY(-2px); }
.dark .btn-secondary { background: linear-gradient(135deg, #2d3344, #252836); color: #c0caf5; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.dark .btn-secondary:hover { background: linear-gradient(135deg, #363a4a, #2d3344); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.dark .btn-ghost { color: var(--color-primary); border: 1px solid rgba(122,162,247,0.2); }
.dark .btn-ghost:hover { background: rgba(122,162,247,0.1); color: var(--color-primary-light); border-color: rgba(122,162,247,0.4); }
.dark .btn-success { background: linear-gradient(135deg, var(--color-success), #34d399); color: #1a1b26; }
.dark .btn-warning { background: linear-gradient(135deg, var(--color-warning), #fbbf24); color: #1a1b26; }
.dark .btn-error { background: linear-gradient(135deg, var(--color-error), #f87171); color: #1a1b26; }

/* ===== 输入框 ===== */
.input {
  width: 100%; padding: 0.625rem 0.875rem;
  border: 1.5px solid #e2e8f0; border-radius: 0.75rem;
  background: white; color: #1e293b; font-size: 0.875rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}
.input:focus {
  outline: none; 
  border-color: #06b6d4; 
  box-shadow: 0 0 0 3px rgba(6,182,212,0.1), inset 0 1px 2px rgba(0,0,0,0.05);
  background: #f8fafc;
}
.dark .input {
  background: #1a1b26;
  border-color: #3b3d52;
  color: #c0caf5;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}
.dark .input:focus {
  border-color: #7aa2f7;
  box-shadow: 0 0 0 3px rgba(122,162,247,0.15), inset 0 2px 4px rgba(0,0,0,0.2);
  background: #1f2335;
}
.dark .input::placeholder { color: #565f89; }

/* ===== Header 深色适配 ===== */
.dark header {
  background: rgba(26,27,38,0.92) !important;
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(122,162,247,0.1) !important;
}

/* ===== 搜索框深色适配 ===== */
.dark .search-input {
  background: rgba(255,255,255,0.05) !important;
  border-color: rgba(122,162,247,0.2) !important;
  color: #c0caf5 !important;
}
.dark .search-input::placeholder { color: #565f89 !important; }
.dark .search-input:focus {
  background: rgba(122,162,247,0.08) !important;
  border-color: #7aa2f7 !important;
  box-shadow: 0 0 0 3px rgba(122,162,247,0.12), 0 4px 16px rgba(122,162,247,0.1) !important;
}

/* ===== 主题切换按钮 ===== */
.theme-btn {
  width: 34px; height: 34px; border-radius: 9px; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.04); transition: all 0.18s;
}
.dark .theme-btn { 
  background: rgba(122,162,247,0.1);
  color: #7aa2f7;
  border: 1px solid rgba(122,162,247,0.15);
}
.dark .theme-btn:hover { 
  background: rgba(122,162,247,0.2);
  color: #89b4fa;
  transform: rotate(15deg);
}

/* ===== CodeMirror 深色编辑器 ===== */
.dark .cm-dark-editor .CodeMirror {
  background: #1a1b26 !important;
  color: #c0caf5 !important;
  height: 100%; font-size: 13px; border: none;
}
.cm-light-editor .CodeMirror {
  background: #f8fafc !important;
  color: #1e293b !important;
  height: 100%; font-size: 13px; border: none;
}
.CodeMirror { font-family: 'Cascadia Code', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace !important; }
.CodeMirror-gutters { 
  border-right: 1px solid rgba(122,162,247,0.1) !important;
  background: transparent !important;
}
.CodeMirror-linenumber { color: #565f89 !important; font-size: 11.5px !important; }
.CodeMirror-foldgutter .CodeMirror-foldgutter-open,
.CodeMirror-foldgutter .CodeMirror-foldgutter-folded { color: #7aa2f7 !important; }
.CodeMirror-activeline-background { background: rgba(122,162,247,0.05) !important; }
.dark .CodeMirror-activeline-gutter { background: rgba(122,162,247,0.08) !important; }
.dark .CodeMirror-cursor { 
  border-left: 2px solid #7aa2f7 !important;
}

/* ===== Vue 过渡 ===== */
.v-enter-active, .v-leave-active { transition: opacity 0.3s ease, transform 0.3s ease; }
.v-enter-from { opacity: 0; transform: translateY(12px) scale(0.98); }
.v-leave-to { opacity: 0; transform: translateY(-8px) scale(0.95); }
.slide-enter-active, .slide-leave-active { transition: all 0.3s ease; }
.slide-enter-from { opacity: 0; transform: translateX(-12px); }
.slide-leave-to { opacity: 0; transform: translateX(-12px); }
.fade-enter-active, .fade-leave-active { transition: opacity 0.2s ease; }
.fade-enter-from, .fade-leave-to { opacity: 0; }

/* ===== 方向感知过渡动画 ===== */
.slide-forward-enter-active, .slide-forward-leave-active,
.slide-back-enter-active, .slide-back-leave-active {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 前进动画 */
.slide-forward-enter-from {
  opacity: 0;
  transform: translateX(30px) scale(0.97);
}
.slide-forward-leave-to {
  opacity: 0;
  transform: translateX(-30px) scale(0.97);
}

/* 后退动画 */
.slide-back-enter-from {
  opacity: 0;
  transform: translateX(-30px) scale(0.97);
}
.slide-back-leave-to {
  opacity: 0;
  transform: translateX(30px) scale(0.97);
}

/* 缩放过渡 */
.scale-enter-active, .scale-leave-active {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.scale-enter-from {
  opacity: 0;
  transform: scale(0.9);
}
.scale-leave-to {
  opacity: 0;
  transform: scale(1.1);
}

/* ===== 按钮动画 ===== */
.btn:active {
  transform: translateY(0) scale(0.98);
  transition: transform 0.1s ease;
}

/* ===== 卡片悬停动画增强 ===== */
.tool-card:hover .tool-card-name { color: var(--accent); transition: color 0.2s ease; }
.tool-card:hover .tool-card-icon { transform: scale(1.1) rotate(5deg); transition: transform 0.2s ease; }
.tool-card:hover .tool-card-arrow { transform: translateX(4px); transition: transform 0.2s ease; }

/* ===== 加载动画 ===== */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== 滚动动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ===== 工具卡片动画 ===== */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.tool-card {
  animation: cardIn 0.35s ease-out both;
  border-radius: 16px;
  padding: 24px;
  text-align: left;
  position: relative;
  overflow: hidden;
  /* 毛玻璃基础 */
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              background 0.3s ease, 
              border-color 0.3s ease;
  box-shadow: var(--shadow-card);
  cursor: pointer;
}
.tool-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

/* ===== 实用样式类 ===== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.status-success {
  background: var(--success-bg);
  color: var(--color-success);
}
.status-warning {
  background: var(--warning-bg);
  color: var(--color-warning);
}
.status-error {
  background: var(--error-bg);
  color: var(--color-error);
}
.status-info {
  background: var(--accent-glow);
  color: var(--accent);
}

.tooltip {
  position: relative;
}
.tooltip:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 10px;
  background: var(--color-gray-900);
  color: white;
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  z-index: 1000;
  margin-bottom: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.dark .tooltip:hover::after {
  background: #2d3344;
  border: 1px solid rgba(255,255,255,0.1);
}

/* 加载状态 */
.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-gray-300);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 占位符文本 */
.text-placeholder {
  color: var(--color-gray-400);
  font-style: italic;
}

/* 卡片内文字 */
.tool-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}
.tool-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  opacity: 0.9;
}

/* ===== 响应式设计 - 增强版 ===== */
/* 大屏 (1200px+) */
@media (min-width: 1200px) {
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)) !important;
    gap: 24px !important;
  }
  .tool-card {
    padding: 28px;
  }
}

/* 中屏 (1024px - 1199px) */
@media (max-width: 1199px) and (min-width: 1024px) {
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
    gap: 20px !important;
  }
}

/* 平板 (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)) !important;
    gap: 16px !important;
  }
  .tool-card {
    padding: 20px;
  }
  .tool-card-name {
    font-size: 14px;
  }
  .tool-card-desc {
    font-size: 12px;
  }
  
  /* 平板端隐藏侧边栏（当侧边栏收起时） */
  .sidebar-collapsed aside {
    display: none;
  }
}

/* 大手机 (480px - 767px) */
@media (max-width: 767px) and (min-width: 480px) {
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important;
    gap: 12px !important;
  }
  .tool-card {
    padding: 18px;
  }
  .tool-card-name {
    font-size: 13px;
  }
  .tool-card-desc {
    font-size: 11px;
  }
  
  /* 调整头部 */
  header {
    padding: 0 16px !important;
  }
  

}

/* 小手机 (< 480px) */
@media (max-width: 479px) {
  .tool-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .tool-card {
    padding: 16px;
  }
  .tool-card-name {
    font-size: 13px;
  }
  .tool-card-desc {
    font-size: 11px;
  }
  
  header {
    padding: 0 12px !important;
    height: 48px !important;
  }
  
  .search-toggle {
    display: flex !important;
  }
  
  /* 工具页面优化 */
  .tool-page-header {
    padding: 12px 16px !important;
  }
  
  .CodeMirror {
    font-size: 12px !important;
  }
}

/* 横屏模式 */
@media (max-height: 600px) and (orientation: landscape) {
  .tool-card {
    padding: 14px;
  }
  
  header {
    height: 48px !important;
  }
  
  .tool-card-icon {
    width: 36px !important;
    height: 36px !important;
  }
  
  .tool-card-name {
    font-size: 13px;
    margin-bottom: 4px;
  }
  
  .tool-card-desc {
    font-size: 11px;
    line-height: 1.4;
  }
}

/* ===== 分类分割线 ===== */
.cat-line { 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  margin-bottom: 14px; 
}
.cat-line-h { 
  flex: 1; 
  height: 1px; 
  background: rgba(0,0,0,0.06); 
}
.dark .cat-line-h { 
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent); 
}
.cat-label { 
  font-size: 11px; 
  font-weight: 600; 
  color: var(--color-gray-400); 
  text-transform: uppercase; 
  letter-spacing: 0.08em; 
  white-space: nowrap;
}
.dark .cat-label { 
  color: var(--color-primary); 
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 4px;
}

/* 移动端分类标签调整 */
@media (max-width: 767px) {
  .cat-line {
    gap: 8px;
    margin-bottom: 12px;
  }
  .cat-label {
    font-size: 10px;
    padding: 3px 8px;
  }
}

/* ===== Toast 覆盖 ===== */
.vt-title { font-family: inherit !important; }

/* ===== 移动端优化类 ===== */
.mobile-only { display: none !important; }
.desktop-only { display: block !important; }

@media (max-width: 767px) {
  .mobile-only { display: block !important; }
  .desktop-only { display: none !important; }
}

/* 移动端底部安全区域 */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* 触摸优化 */
.touch-target {
  min-height: 44px;
  min-width: 44px;
}

/* 移动端手势提示 */
.swipe-hint {
  display: none;
}

@media (max-width: 767px) {
  .swipe-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 11px;
    color: var(--color-gray-400);
    padding: 8px;
    margin-top: 8px;
  }
}

/* 滚动优化 */
.touch-scroll {
  -webkit-overflow-scrolling: touch;
}

/* CodeMirror 响应式 */
@media (max-width: 767px) {
  .CodeMirror {
    font-family: 'JetBrains Mono', 'SF Mono', monospace !important;
    font-size: 13px !important;
  }
  
  .CodeMirror-gutters {
    width: 40px !important;
  }
  
  .CodeMirror-linenumber {
    font-size: 10px !important;
    padding: 0 8px 0 0 !important;
  }
}

/* 超宽屏优化 */
@media (min-width: 1600px) {
  .container-wide {
    max-width: 1600px;
    margin: 0 auto;
  }
}