:root { 
  --gap: 16px;
  /* 金融投资行业配色：低饱和度藏蓝/深灰 + 浅青点缀 */
  --primary: #1e2a3a;
  --primary-light: #2c3e50;
  --accent: #2d8cff;
  --accent-hover: #1a75d9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #1f2937;
  --text-muted: #6b7280;
  /* 背景：米白或浅灰（长时间看屏幕不累眼） */
  --bg: #fafaf9;
  --surface: #ffffff;
  --border: #e5e7eb;
  --shadow: rgba(0, 0, 0, 0.06);
  --shadow-hover: rgba(0, 0, 0, 0.1);
  /* 圆角：4-6px */
  --radius: 6px;
  --radius-sm: 4px;
  --radius-lg: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.container { 
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  background: var(--bg);
  min-height: calc(100vh - 48px);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.card { 
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  background: var(--surface);
  box-shadow: 0 1px 3px var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 4px 12px var(--shadow-hover);
  transform: translateY(-1px);
}

.card:hover::before {
  opacity: 1;
}

.card h2, .card h3 {
  margin: 0 0 24px 0;
  color: var(--primary);
  font-weight: 600;
  font-size: 1.375rem;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.bar { 
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  padding: 24px;
  background: var(--surface);
  border-radius: var(--radius);
  margin-bottom: 24px;
  box-shadow: 0 1px 3px var(--shadow);
  border: 1px solid var(--border);
  position: relative;
}

.bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--primary));
  border-radius: var(--radius) 0 0 var(--radius);
}

.form { 
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* 新的布局系统 */
.app-layout {
  display: flex;
  gap: 0;
  min-height: calc(100vh - 48px);
}

.sidebar {
  flex-shrink: 0;
}

.main-content {
  flex: 1;
  min-width: 0;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 280px;
  flex-shrink: 0;
}

.sidebar.collapsed {
  width: auto;
  min-width: 60px;
}

.sidebar.collapsed .sidebar-header h3 {
  display: none;
}

.sidebar.collapsed .nav-text {
  display: none;
}

.sidebar.collapsed .toggle-icon {
  transform: rotate(180deg);
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 12px 16px;
  min-width: 60px;
}

.sidebar.collapsed .nav-icon {
  font-size: 18px;
  width: auto;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
  flex: 1;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  opacity: 0.8;
}

.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.toggle-icon {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.sidebar-nav {
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
  position: relative;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}

.nav-item:hover {
  background: var(--bg);
  color: var(--primary);
}

.nav-item.active {
  background: rgba(45, 140, 255, 0.1);
  color: var(--accent);
}

.nav-item.active::before {
  transform: scaleX(1);
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.main-content {
  padding: 0;
  background: var(--bg);
}

.top-bar {
  background: var(--surface);
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.time-controls, .quick-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.view-container {
  padding: 24px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

/* 概览视图样式 */
.card-header-sm {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.card-header-sm h3 {
  margin: 0;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--bg);
  color: var(--accent);
  border-color: var(--accent);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.overview-card.full-width {
  grid-column: span 2;
}

@media (max-width: 900px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }
  .overview-card.full-width {
    grid-column: span 1;
  }
}

.backlog-widget {
  text-align: center;
  padding: 12px;
}

.stat-item.warning .stat-value {
  color: var(--warning);
}

.backlog-desc {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 8px;
}

/* 简易柱状图 */
.chart-container {
  height: 240px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 20px;
  gap: 8px;
}

.chart-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
  position: relative;
}

.chart-bar-group {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0,0,0,0.02);
  border-radius: 4px 4px 0 0;
  position: relative;
  overflow: hidden;
}

.chart-bar {
  width: 100%;
  background: var(--accent);
  transition: height 0.5s ease;
  min-height: 2px;
  position: relative;
  border-radius: 2px 2px 0 0;
}

.chart-bar.completed {
  background: var(--success);
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 2;
  opacity: 0.8;
}

.chart-bar.total {
  background: var(--primary-light);
  opacity: 0.2;
  z-index: 1;
}

.chart-label {
  font-size: 11px;
  color: var(--text-muted);
  transform: rotate(-45deg);
  transform-origin: center;
  white-space: nowrap;
  margin-top: 4px;
}

.chart-val {
  font-size: 10px;
  color: var(--text);
  position: absolute;
  top: -16px;
}

/* 热力图 */
.heatmap-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12px, 1fr));
  gap: 3px;
  margin-top: 8px;
}
.heatmap-cell {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: #ebedf0;
}
.heatmap-cell[data-level="1"] { background: #9be9a8; }
.heatmap-cell[data-level="2"] { background: #40c463; }
.heatmap-cell[data-level="3"] { background: #30a14e; }
.heatmap-cell[data-level="4"] { background: #216e39; }

.heatmap-legend {
  display: flex;
  gap: 4px;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  justify-content: flex-end;
  margin-top: 8px;
}

.overview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px var(--shadow);
}

.overview-card h3 {
  margin: 0 0 20px 0;
  color: var(--primary);
  font-size: 1.125rem;
  font-weight: 600;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-item {
  text-align: center;
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.activities {
  max-height: 300px;
  overflow-y: auto;
}

.activity-empty {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  padding: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-header h3 {
  margin: 0;
}

.grid-2 { 
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* 响应式设计 */
@media (max-width: 1200px) { 
  .app-layout {
    grid-template-columns: 240px 1fr;
  }
  
  .overview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) { 
  .app-layout {
    flex-direction: column;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px !important; /* 移动端固定宽度 */
    height: 100vh;
    z-index: 1000;
    transition: left 0.3s ease;
  }
  
  .sidebar.active {
    left: 0;
  }
  
  .sidebar.collapsed {
    width: 200px !important; /* 移动端收起时也保持较宽宽度，便于触摸操作 */
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
  }
  
  .top-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .time-controls, .quick-actions {
    justify-content: center;
  }
  
  .grid-2 { 
    grid-template-columns: 1fr; 
  }
  
  .container { 
    padding: 16px; 
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  /* 移动端菜单项优化 */
  .nav-item {
    padding: 16px 24px; /* 增大触摸区域 */
    min-height: 48px;
  }
  
  /* 移动端收起按钮优化 */
  .sidebar-toggle {
    padding: 8px 12px; /* 增大触摸区域 */
    min-height: 32px;
  }
}

@media (max-width: 600px) {
  .view-container {
    padding: 16px;
  }
  
  .overview-card {
    padding: 16px;
  }
  
  .top-bar {
    padding: 16px;
  }
}

input[type="text"],
input[type="password"],
input[type="datetime-local"],
input:not([type]),
textarea,
select,
#report-summary,
#ev-title,
#search-q,
#login-user,
#login-pass {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
  min-width: 200px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

#report-title {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
  margin-bottom: 12px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05), 0 0 0 2px rgba(45, 140, 255, 0.1);
  outline: none;
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%232c3e50' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  appearance: none;
}

.btn { 
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(45, 140, 255, 0.15);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover { 
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(45, 140, 255, 0.2);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(45, 140, 255, 0.1);
}

.editor { 
  min-height: 280px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  background: var(--surface);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  transition: var(--transition);
  overflow-y: auto;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.editor:focus {
  border-color: var(--accent);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05), 0 0 0 2px rgba(45, 140, 255, 0.1);
  outline: none;
}

.editor[contenteditable]:empty::before {
  content: attr(placeholder);
  color: var(--text-muted);
  opacity: 0.6;
  font-style: italic;
}

#report-content {
  min-height: 400px;
}

#ev-content {
  min-height: 120px;
  width: 100%;
}

.toolbar { 
  margin: 16px 0;
  padding: 8px 12px;
  background: #f8f9fa;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
  position: relative;
}

.toolbar-group {
  display: flex;
  gap: 0;
  align-items: center;
  flex-wrap: wrap;
}

.emoji-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  display: block;
  z-index: 1000;
}
.emoji-panel.hidden { display: none; }
.emoji-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}
.emoji-tabs button {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
}
.emoji-tabs button.active {
  background: var(--surface);
  border-color: var(--accent);
}
.emoji-list {
  display: grid;
  grid-template-columns: repeat(10, 28px);
  gap: 6px;
}
.emoji-list button {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  border-radius: 6px;
}
.emoji-list button:hover {
  background: #f3f4f6;
}

.toolbar #font-color { display: none }
.toolbar #font-size { width: 60px }

.toolbar-btn {
  position: relative;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 28px;
  margin: 0;
}

.toolbar-btn:hover {
  background: #e3f2fd;
  border-color: #90caf9;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.toolbar-btn:active {
  background: #bbdefb;
  transform: translateY(1px);
}

.toolbar-btn.active {
  background: #bbdefb;
  border-color: #64b5f6;
}

.toolbar-icon {
  font-weight: 600;
  font-size: 13px;
  line-height: 1;
}

/* Word风格的图标样式 */
.toolbar-btn[data-cmd="bold"] .toolbar-icon {
  font-weight: 700;
  font-family: 'Arial', sans-serif;
}

.toolbar-btn[data-cmd="italic"] .toolbar-icon {
  font-style: italic;
  font-family: 'Arial', sans-serif;
}

.toolbar-btn[data-cmd="underline"] .toolbar-icon {
  text-decoration: underline;
  font-family: 'Arial', sans-serif;
}

.toolbar-btn[data-cmd="h1"] .toolbar-icon,
.toolbar-btn[data-cmd="h2"] .toolbar-icon {
  font-weight: 600;
  font-size: 12px;
  font-family: 'Segoe UI', sans-serif;
}

/* Tooltip样式 */
.tooltip {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #333;
  color: white;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 1000;
  pointer-events: none;
}

.tooltip::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-bottom-color: #333;
}

.toolbar-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

/* 工具栏分隔符 */
.toolbar-separator {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

/* 文件输入包装器 */
.file-input-wrapper {
  position: relative;
  display: inline-block;
}

.file-input-wrapper input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.header-actions { display:flex; gap:12px }

.toolbar .btn {
  padding: 6px 12px;
  font-size: 13px;
  background: transparent;
  color: #374151;
  box-shadow: none;
  border-radius: 5px;
  font-weight: 500;
  min-width: auto;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  position: relative;
}

.toolbar .btn:hover {
  background: #f3f4f6;
  color: #1f2937;
  transform: none;
  box-shadow: none;
}

.toolbar .btn:active {
  background: #e5e7eb;
  transform: scale(0.97);
}

.toolbar .btn::before {
  display: none;
}

/* 工具栏分隔符 */
.toolbar .btn[data-cmd="h1"]::before,
.toolbar .btn[data-cmd="ul"]::before,
.toolbar .btn[data-cmd="code"]::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 20px;
  background: #e5e7eb;
  display: block;
}

/* 按钮图标优化 */
.toolbar .btn[data-cmd="bold"] {
  font-weight: 700;
  font-family: Georgia, serif;
}

.toolbar .btn[data-cmd="italic"] {
  font-style: italic;
  font-family: Georgia, serif;
}

.toolbar .btn[data-cmd="underline"] {
  text-decoration: underline;
}

.toolbar .btn[data-cmd="h1"],
.toolbar .btn[data-cmd="h2"] {
  font-weight: 600;
  font-size: 12px;
  color: #6b7280;
}

.toolbar .btn[data-cmd="ul"],
.toolbar .btn[data-cmd="ol"] {
  font-size: 14px;
}

.toolbar .btn[data-cmd="quote"] {
  font-size: 16px;
  font-weight: 600;
  color: #6b7280;
}

.toolbar .btn[data-cmd="code"] {
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  color: #6b7280;
}

.toolbar .btn[data-cmd="link"] {
  color: #3b82f6;
  font-weight: 500;
}

.toolbar .btn[data-cmd="img"] {
  color: #10b981;
  font-weight: 500;
}

.toolbar .btn[data-cmd="clear"] {
  color: #ef4444;
  margin-left: 4px;
  font-size: 12px;
}

.toolbar #font-color {
  width: 32px;
  height: 28px;
  padding: 0;
  margin: 0 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.toolbar #font-size {
  height: 28px;
  margin: 0 6px;
  padding: 0 4px;
  width: 38px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
}

/* Settings Tabs */
.settings-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 10px 20px;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius) var(--radius) 0 0;
  transition: all 0.2s;
  position: relative;
  top: 1px;
}

.tab-btn:hover {
  color: var(--accent);
  background: rgba(0, 0, 0, 0.02);
}

.tab-btn.active {
  background: var(--surface);
  border-color: var(--border);
  border-bottom-color: var(--surface);
  color: var(--accent);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}


#img-file {
  display: none;
}

.list { 
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.event { 
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--accent);
}

.event:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
  border-left-width: 6px;
}

.event-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}

.event-title-wrapper {
  flex: 1;
  min-width: 0;
}

.event-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin: 0 0 8px 0;
  line-height: 1.4;
  word-wrap: break-word;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.event-meta-icon {
  font-size: 14px;
  opacity: 0.7;
}

.event-body { 
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
  word-wrap: break-word;
}

.event-body p {
  margin: 0 0 8px 0;
}

.event-body p:last-child {
  margin-bottom: 0;
}

.event-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.event-actions .btn {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
  min-height: 32px;
}

.review-meta { 
  color: var(--text-muted);
  font-size: 13px;
}

.reviews {
  margin-top: 12px;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  display: grid;
  gap: 10px;
}
.review-title { font-weight: 600; color: var(--primary); }
.review-item { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.review-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.review-content { font-size: 14px; color: var(--text); line-height: 1.6; }

.attachments {
  margin-top: 8px;
  display: grid;
  gap: 6px;
}
.att-title { font-weight: 600; color: var(--primary); }
.att-empty { font-size: 13px; color: var(--text-muted) }
.att-item a { color: var(--accent) }
.att-progress { height: 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; overflow: hidden }
.att-progress-bar { height: 100%; width: 0%; background: var(--accent); transition: width 0.2s }
.att-progress-text { font-size: 12px; color: var(--text-muted) }

.status { 
  color: var(--danger);
  font-weight: 500;
  padding: 4px 8px;
  background: rgba(231, 76, 60, 0.1);
  border-radius: 4px;
  display: inline-block;
  font-size: 13px;
}

.tag { 
  font-weight: 600;
  margin-right: 8px;
  padding: 4px 12px;
  background: var(--accent);
  color: white;
  border-radius: 16px;
  font-size: 12px;
  display: inline-block;
  letter-spacing: 0.5px;
}

#auth {
  max-width: 450px;
  margin: 60px auto;
  text-align: center;
}

#auth .form {
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
}

#auth input {
  width: 100%;
  min-width: auto;
}

#auth .btn {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  margin-top: 8px;
}

textarea {
  resize: vertical;
  width: 100%;
  font-family: inherit;
}

label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  user-select: none;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* 事件状态颜色 */
.event[data-status="done"] .tag { background: var(--success); }
.event[data-status="doing"] .tag { background: var(--accent); }
.event[data-status="pause"] .tag { background: var(--warning); }
.event[data-status="close"] .tag { background: var(--danger); }
.event[data-status="new"] .tag { background: #9b59b6; }

/* 搜索结果高亮 */
#search-results .event {
  cursor: pointer;
}

#search-results .event:hover {
  background: var(--bg);
}

/* 版本对比 */
#diff-output {
  max-height: 500px;
  overflow-y: auto;
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
}

/* 模态框系统 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

/* Modal System - Windows Style Override */
#modal {
  position: relative;
  background: #ffffff;
  border-radius: 0;
  padding: 0;
  max-width: 500px;
  width: 90vw;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 0 0 1px #0078d7, 0 8px 16px rgba(0, 0, 0, 0.4);
  animation: modalAppear 0.1s ease-out;
  border: 1px solid #0078d7;
  display: block;
  /* Reset potential conflicts from common.css */
  inset: auto;
  place-items: normal;
  grid-template-columns: none;
}

.btn.btn-secondary {
  background: #e1e1e1;
  color: #000;
  border: 1px solid #adadad;
  box-shadow: none;
  font-weight: 400;
  transition: all 0.1s;
  min-width: 70px;
  border-radius: 2px;
}

.btn.btn-secondary:hover {
  background: #e5f1fb;
  border-color: #0078d7;
  color: #000;
  transform: none;
  box-shadow: none;
}

.btn.btn-secondary::before {
  display: none;
}

@keyframes modalAppear {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

#modal-header {
  padding: 0;
  height: 32px;
  border-bottom: none;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0078d7;
  color: #ffffff;
  width: 100%;
  box-sizing: border-box;
}

#modal-title {
  margin: 0;
  font-size: 13px;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0.5px;
  padding-left: 12px;
  flex: 1;
  user-select: none;
  text-align: left;
}

#modal-close {
  position: static;
  background: transparent;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: #ffffff;
  transition: background-color 0.1s;
  width: 46px;
  height: 32px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
}

#modal-close:hover {
  background: #e81123 !important;
  color: white !important;
}

#modal-body {
  padding: 24px 20px;
  font-size: 14px;
  color: #000;
  line-height: 1.5;
  background: #ffffff;
  min-height: 80px;
  /* Reset common.css conflicts */
  width: 100%;
  max-width: none;
  border-radius: 0;
  display: block;
}

#modal-footer {
  padding: 12px 16px;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  background: #f0f0f0;
  border-top: 1px solid #dfdfdf;
  width: 100%;
  box-sizing: border-box;
}

.modal-status {
  font-size: 12px;
  color: #666;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.modal-status {
  color: var(--text-muted);
  font-size: 12px;
}
.modal-status .countdown {
  font-weight: 600;
  color: var(--primary);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 999;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* 二级按钮样式 */
.btn-secondary {
  background: var(--text-muted);
  color: white;
}

.btn-secondary:hover {
  background: #4b5563;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
  transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* 微妙的渐变效果 */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 悬停效果增强 */
.nav-item, .btn, .card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 加载状态 */
.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

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

/* 空状态样式 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  background: var(--surface);
  border-radius: 12px;
  border: 2px dashed var(--border);
  margin: 20px 0;
}

.empty-state-icon {
  font-size: 56px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state-text {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.empty-state-action {
  margin-top: 16px;
}

/* 事件列表容器 */
#events.list {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

/* 事件状态特定样式 */
.event[data-status="done"] {
  border-left-color: var(--success);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(16, 185, 129, 0.03) 100%);
}

.event[data-status="doing"] {
  border-left-color: var(--accent);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(45, 140, 255, 0.03) 100%);
}

.event[data-status="pause"] {
  border-left-color: var(--warning);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(245, 158, 11, 0.03) 100%);
}

.event[data-status="close"] {
  border-left-color: var(--danger);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(239, 68, 68, 0.03) 100%);
}

.event[data-status="new"] {
  border-left-color: #9b59b6;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(155, 89, 182, 0.03) 100%);
}

/* 活动项样式 */
.activity-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-type {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.activity-content {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 4px;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 提醒列表 */
#reminders .event {
  border-left: 4px solid var(--warning);
}

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

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
  transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}