/* 隐藏页面滚动条 */
html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  scrollbar-gutter: stable;
}

/* 隐藏body滚动条但允许滚动 */
body {
  overflow: auto;
}

:root {
  /* 统一圆角变量 */
  --radius: 8px;
  /* 统一背景颜色变量 */
  --bg-color: #fafafa;
  /* 统一文字颜色变量 */
  --text-color: #333333;
  /* 统一按钮颜色变量 */
  --btn-bg: #e0e0e0;
  /* 统一按钮文字颜色变量 */
  --btn-text: #333333;
  --border: 1px solid #e0e0e0;
}

.app {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  font-family: Arial, sans-serif;
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  box-sizing: border-box;
}

.nav {
  height: 56px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-bottom: 1px solid #e9ecef;
  display: flex;
  align-items: center;
  padding: 0 20px;
  margin-bottom: 10px;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.nav-content {
  width: 100%;
  display: flex;
  align-items: center;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 16px;
  padding: 0;
  margin: 0;
  align-items: center;
  flex-wrap: wrap;
  transition: all 0.3s ease;
}

.nav-link {
  text-decoration: none;
  color: #495057;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  white-space: nowrap;
  position: relative;
  border: 1px solid transparent;
}

.nav-link:hover {
  background-color: #f8f9fa;
  color: #212529;
  border-color: #dee2e6;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nav-link.active {
  color: #4361ee;
  font-weight: 600;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0.05) 100%);
  border: 1px solid rgba(67, 97, 238, 0.2);
  box-shadow: 0 2px 8px rgba(67, 97, 238, 0.15);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 3px;
  background: linear-gradient(90deg, #4361ee, #3a56d4);
  border-radius: 3px;
}

/* 折叠菜单相关样式 */
.nav-collapse-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-collapse-content {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid transparent;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  min-width: 140px;
  margin-top: 12px;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: none;
  z-index: 1000;
  overflow: hidden;
}

.nav-collapse-item:hover .nav-collapse-content,
.nav-collapse-content.show {
  display: flex;
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  border-color: #e9ecef;
}

.nav-collapse-content .nav-link {
  padding: 12px 20px;
  border-bottom: 1px solid #f8f9fa;
  width: 100%;
  text-align: left;
  box-sizing: border-box;
  border-radius: 0;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: #495057;
  transition: all 0.2s ease;
}

.nav-collapse-content .nav-link:last-child {
  border-bottom: none;
}

.nav-collapse-content .nav-link:hover {
  background: linear-gradient(90deg, rgba(67, 97, 238, 0.08), rgba(67, 97, 238, 0.04));
  color: #4361ee;
  padding-left: 24px;
}

.nav-collapse-content .nav-link.active {
  background: linear-gradient(90deg, rgba(67, 97, 238, 0.15), rgba(67, 97, 238, 0.08));
  color: #4361ee;
  font-weight: 600;
  border: none;
  box-shadow: none;
}

.nav-collapse-content .nav-link.active::before {
  display: none;
}

.nav-toggle {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 1px solid #dee2e6;
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: #495057;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.nav-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(67, 97, 238, 0.05));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.nav-toggle:hover {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-color: #4361ee;
  color: #4361ee;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.15);
}

.nav-toggle:hover::before {
  opacity: 1;
}

.nav-toggle-icon {
  font-size: 18px;
  line-height: 1;
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease;
}

.nav-toggle:hover .nav-toggle-icon {
  transform: scale(1.1);
}

.nav-collapse-count {
  font-size: 12px;
  font-weight: 600;
  color: #4361ee;
  background: rgba(67, 97, 238, 0.1);
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
  position: relative;
  z-index: 2;
}

/* 响应式设计 */
@media (max-width: 767px) {
  .nav-list {
    gap: 12px;
    flex-wrap: nowrap;
  }

  /* 当菜单展开时，允许换行并显示所有可见项 */
  .nav-list.open {
    flex-wrap: wrap;
    overflow: visible;
  }

  .nav-link {
    padding: 6px 10px;
    font-size: 13px;
  }

  .nav-collapse-content {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    margin-top: 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    opacity: 1; /* 覆盖默认的opacity: 0 */
    visibility: visible; /* 覆盖默认的visibility: hidden */
    transform: none; /* 覆盖默认的transform */
    display: block; /* 覆盖默认的display: none，使用block而不是flex */
    /* 移除边框，避免横线显示 */
    border-style: none;
  }

  .nav-collapse-content.show {
    max-height: 300px;
  }

  .nav-collapse-content .nav-link {
    padding: 12px 16px;
    font-size: 14px;
  }

  .nav-toggle {
    padding: 8px 16px;
    margin-left: auto;
  }
}

@media (max-width: 479px) {
  .nav {
    padding: 0 12px;
    z-index: 1000; /* 确保导航栏在展开菜单上方 */
    height: 52px;
  }

  .nav-list {
    width: 100%;
    align-items: center;
  }

  /* 当菜单展开时，允许换行并显示所有可见项 */
  .nav-list.open {
    flex-wrap: wrap;
    overflow: visible;
  }

  /* 可见的导航项应该始终显示 */
  .nav-list > li:not(.nav-collapse-item) {
    display: flex;
    align-items: center;
  }

  .nav-list > li:not(.nav-collapse-item) .nav-link {
    display: inline-block;
    padding: 8px 12px;
    font-size: 13px;
    white-space: nowrap;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid transparent;
  }

  /* 折叠菜单内容 - 只在打开时显示 */
  .nav-collapse-content {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border: 0;
    border-radius: 0 0 12px 12px;
  }

  .nav-collapse-content.show {
    max-height: calc(100% - 52px);
    overflow-y: auto;
  }

  .nav-collapse-content .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #f8f9fa;
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #495057;
    transition: all 0.2s ease;
  }

  .nav-collapse-content .nav-link:hover {
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.08), rgba(67, 97, 238, 0.04));
    color: #4361ee;
  }

  .nav-collapse-content .nav-link.active {
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.15), rgba(67, 97, 238, 0.08));
    color: #4361ee;
    font-weight: 600;
  }

  .nav-collapse-content .nav-link:last-child {
    border-bottom: none;
  }

  .nav-toggle {
    padding: 8px 12px;
    font-size: 13px;
    min-width: 44px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  }

  .nav-toggle:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-color: #4361ee;
    color: #4361ee;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.15);
  }

  .nav-collapse-count {
    display: none;
  }
}

/* 隐藏滚动条样式 */
/* WebKit浏览器 (Chrome, Safari, Edge) */
body::-webkit-scrollbar,
.app::-webkit-scrollbar,
.nav-collapse-content.show::-webkit-scrollbar,
.timestamp-display::-webkit-scrollbar {
  display: none;
}

/* Firefox */
body,
.app,
.nav-collapse-content.show,
.timestamp-display {
  scrollbar-width: none;
}

/* IE/Edge 10+ */
body,
.app,
.nav-collapse-content.show,
.timestamp-display {
  -ms-overflow-style: none;
}

button {
  background: #4caf50;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  transition:
    transform 0.08s ease,
    box-shadow 0.2s ease,
    background-color 0.25s ease;
}

button:hover {
  background: #3d8b40;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

button:active {
  background: #4caf50;
  transform: scale(0.96) translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 超小屏幕适配 - 修复边框遮挡问题 */
@media (max-width: 399px) {
  .nav {
    position: relative;
    border-bottom: none; /* 移除导航栏底部边框 */
    height: 48px;
    padding: 0 8px;
  }

  .nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e9ecef, transparent);
  }

  /* 当菜单展开时，允许换行并显示所有可见项 */
  .nav-list.open {
    flex-wrap: wrap;
    overflow: visible;
  }

  /* 调整可见导航项的宽度，适应更小的屏幕 */
  .nav-list > li:not(.nav-collapse-item) .nav-link {
    max-width: 60px;
    padding: 6px 8px;
    font-size: 12px;
    border: 1px solid transparent;
  }

  .nav-list > li:not(.nav-collapse-item) .nav-link.active {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0.05) 100%);
    border: 1px solid rgba(67, 97, 238, 0.2);
    box-shadow: 0 1px 4px rgba(67, 97, 238, 0.15);
  }

  .nav-collapse-content {
    top: 48px;
  }

  .nav-collapse-content.show {
    max-height: calc(100% - 48px);
  }

  .nav-toggle {
    padding: 6px 10px;
    font-size: 12px;
    min-width: 36px;
    height: 28px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #dee2e6;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  }

  .nav-toggle:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-color: #4361ee;
    color: #4361ee;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(67, 97, 238, 0.15);
  }

  .nav-toggle-icon {
    font-size: 12px;
  }
}

/* 中等屏幕适配 */
@media (min-width: 480px) and (max-width: 767px) {
  .nav-list {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .nav-link {
    flex: 0 0 auto;
  }

  .nav-collapse-item {
    margin-left: auto;
  }

  /* 确保.nav-list.open不会影响中等屏幕的布局 */
  .nav-list.open {
    flex-wrap: wrap;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    max-height: none;
    overflow: visible;
  }
}

.page {
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.user-list {
  list-style: none;
  padding: 0;
}

.user-list li {
  padding: 8px;
  border-bottom: 1px solid #eee;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: #2196f3;
  color: white;
  text-decoration: none;
  border-radius: 8px;
}

.btn:hover {
  background: #0b7dda;
}

.actions {
  margin: 20px 0;
}

.action-btn {
  margin-right: 10px;
  padding: 8px 16px;
  background: #4caf50;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid #d9d9d9;
  box-shadow: 0 2px #00000004;
}

.stop-btn {
  margin-right: 10px;
  padding: 8px 16px;
  background: #f32152;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.stop-btn:hover {
  background: #ff0000;
}

input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 20px;
  box-sizing: border-box;
  font-size: 14px;
}

select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 20px;
  box-sizing: border-box;
  font-size: 14px;
}

/* 时间戳组件样式 */
.timestamp-container {
  padding: 20px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--bg-color);
  margin: 20px 0;
}

.timestamp-container:hover {
  box-shadow: 4px 4px 12px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

/* 时间戳显示区域 */
.timestamp-display {
  display: flex;
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 横向居中 */
  gap: 10px;
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}

.timestamp-value {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-color);
  font-family: 'Courier New', monospace;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  flex-shrink: 0;
}

.timestamp-unit {
  font-size: 1rem;
  color: var(--text-color);
  font-weight: 400;
}

.timestamp-controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 确保 CopyButton 也使用相同的样式 */
.timestamp-controls .action-btn,
.timestamp-controls .stop-btn {
  min-width: 120px;
  height: 44px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
}

.timestamp-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  font-size: 0.9rem;
  border: 1px solid #e0e0e0;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.status-indicator.running {
  color: #27ae60;
}

.status-indicator.stopped {
  color: #e74c3c;
}

.unit-indicator {
  color: #7f8c8d;
  font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 480px) {
  .timestamp-container {
    padding: 15px;
  }

  .timestamp-display {
    padding: 12px;
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 横向居中 */
  }

  .timestamp-value {
    font-size: 1.8rem;
    line-height: 1.1;
  }

  .timestamp-unit {
    font-size: 1rem;
    flex-shrink: 0;
  }

  .timestamp-controls {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 8px;
  }

  .timestamp-controls .action-btn,
  .timestamp-controls .stop-btn {
    width: auto;
    flex: 1;
    min-width: auto;
    max-width: none;
    height: 44px;
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  .timestamp-status {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* 400px以下屏幕适配 - 防止按钮文本换行 */
@media (max-width: 400px) {
  .timestamp-controls {
    gap: 4px;
  }

  .timestamp-controls .action-btn,
  .timestamp-controls .stop-btn {
    padding: 6px 4px;
    font-size: 0.75rem;
    height: 38px;
    min-width: auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* 超小屏幕适配 */
@media (max-width: 360px) {
  .timestamp-value {
    font-size: 1.5rem;
  }

  .timestamp-display {
    padding: 10px;
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 横向居中 */
  }

  .timestamp-controls {
    gap: 3px;
  }

  .timestamp-controls .action-btn,
  .timestamp-controls .stop-btn {
    padding: 5px 3px;
    font-size: 0.7rem;
    height: 36px;
  }
}

/* 日期时间转换器样式 */
.datetime-converter {
  padding: 20px;
  border: var(--border);
  border-radius: 8px;
  background: var(--bg-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin: 20px 0;
}

.datetime-converter:hover {
  box-shadow: 4px 4px 12px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.converter-title {
  color: #2c3e50;
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
}

.converter-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group,
.result-group {
  display: flex;
  gap: 12px;
  align-items: center;
}

.datetime-input,
.result-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 400;
  background: white;
  transition: border-color 0.2s ease;
  width: auto !important;
  margin-bottom: 0 !important;
}

.datetime-input:focus,
.result-input:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.timezone-select,
.unit-select {
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  background: white;
  min-width: 180px;
  cursor: pointer;
  transition: border-color 0.2s ease;
  width: auto !important;
  margin-bottom: 0 !important;
}

.timezone-select:focus,
.unit-select:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.action-group {
  display: flex;
  justify-content: center;
}

.converter-btn {
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  min-width: 120px;
}

.error-message {
  padding: 10px 14px;
  background: #ffeaea;
  border: 1px solid #ffcccc;
  border-radius: 8px;
  color: #d32f2f;
  font-size: 0.9rem;
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.result-info {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  font-size: 0.95rem;
  text-align: center;
}

.result-label {
  font-weight: 600;
  color: #2c3e50;
}

.result-value {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: #3498db;
  margin: 0 4px;
}

.result-unit {
  color: #7f8c8d;
  font-weight: 500;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .input-group,
  .result-group {
    flex-direction: column;
    align-items: stretch;
  }

  .timezone-select,
  .unit-select {
    min-width: auto;
    width: 100% !important;
  }

  .datetime-converter {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .converter-title {
    font-size: 1.3rem;
  }

  .datetime-input,
  .result-input,
  .timezone-select,
  .unit-select {
    padding: 8px 12px;
    font-size: 0.9rem;
  }

  .converter-btn {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
}