/* 全局样式 */
:root {
  --primary-color: #4361ee;
  --secondary-color: #3bc47d;
  --danger-color: #ef476f;
  --warning-color: #ffd166;
  --info-color: #06d6a0;
  --dark-color: #2b2d42;
  --light-color: #f8f9fa;
  --gray-color: #8d99ae;
  --text-color: #2b2d42;
  --border-radius: 8px;
  --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  
  /* 新增变量 */
  --gradient-primary: linear-gradient(135deg, #4361ee, #3a0ca3);
  --gradient-secondary: linear-gradient(135deg, #3bc47d, #06d6a0);
  --soft-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: 1px solid rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --content-padding: 1.5rem;
  --card-spacing: 1rem;
}

/* 主题切换按钮 */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(67, 97, 238, 0.08);
  color: var(--primary-color);
  cursor: pointer;
  transition: var(--transition);
}
.theme-toggle:hover {
  background-color: rgba(67, 97, 238, 0.15);
}

/* 表格细化 */
.table thead th {
  white-space: nowrap;
}
.table-nowrap th,
.table-nowrap td {
  white-space: nowrap;
}
.table-hover tbody tr:hover {
  background-color: rgba(67, 97, 238, 0.04);
}

/* 暗色模式变量 */
[data-theme="dark"] {
  --primary-color: #4cc9f0;
  --secondary-color: #4adf86;
  --danger-color: #ff5a7e;
  --warning-color: #ffda85;
  --info-color: #56efb5;
  --dark-color: #1a1a2e;
  --light-color: #242640;
  --gray-color: #a0a8c0;
  --text-color: #f8f9fa;
  --glass-bg: rgba(26, 26, 46, 0.85);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: #0f0e17;
  color: #f8f9fa;
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f5f8fa;
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* 导航栏 */
.navbar {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  background-color: #fff;
  padding: 0.6rem 1rem;
  transition: var(--transition);
}

[data-theme="dark"] .navbar {
  background-color: #1a1a2e;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
  font-weight: 600;
  color: var(--primary-color) !important;
}

.nav-link {
  font-weight: 500;
  color: var(--text-color) !important;
  transition: var(--transition);
  padding: 0.5rem 0.8rem !important;
  border-radius: var(--border-radius);
  margin: 0 0.1rem;
}

.nav-link:hover {
  background-color: rgba(67, 97, 238, 0.1);
  color: var(--primary-color) !important;
}

.nav-link.active {
  color: var(--primary-color) !important;
  background-color: rgba(67, 97, 238, 0.1);
}

/* 容器调整 */
.container {
  max-width: 1200px;
  padding: 0 1rem;
}

main.container {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* 卡片 */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  margin-bottom: var(--card-spacing);
  background-color: #fff;
  overflow: hidden;
}

[data-theme="dark"] .card {
  background-color: #242640;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.card:hover {
  box-shadow: var(--soft-shadow);
  transform: translateY(-3px);
}

.card-header {
  background-color: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 0.8rem 1.25rem;
}

[data-theme="dark"] .card-header {
  background-color: #242640;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header:first-child {
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  background-color: rgba(0, 0, 0, 0.02);
  padding: 0.8rem 1.25rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .card-footer {
  background-color: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 卡片网格布局 */
.row {
  margin-right: -0.5rem;
  margin-left: -0.5rem;
}

.col-md-4 {
  padding-right: 0.5rem;
  padding-left: 0.5rem;
}

/* 按钮 */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: #3051d3;
  transform: translateY(-1px);
}

.btn-success {
  background-color: var(--secondary-color);
}

.btn-success:hover {
  background-color: #2eaa68;
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--danger-color);
}

.btn-danger:hover {
  background-color: #d93a5f;
  transform: translateY(-1px);
}

.btn-warning {
  background-color: var(--warning-color);
}

.btn-warning:hover {
  background-color: #e6bc5c;
  transform: translateY(-1px);
}

.btn-info {
  background-color: var(--info-color);
}

.btn-info:hover {
  background-color: #05b989;
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-outline-light {
  color: white;
  border: 1px solid white;
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* 表单 */
.form-control {
  border-radius: var(--border-radius);
  border: 1px solid #dce4ec;
  padding: 0.6rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.form-select {
  border-radius: var(--border-radius);
  border: 1px solid #dce4ec;
  padding: 0.6rem;
  transition: var(--transition);
}

.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: #2d3047;
  border-color: #3d3f61;
  color: #f8f9fa;
}

/* 徽章 */
.badge {
  font-weight: 500;
  padding: 0.4em 0.8em;
  border-radius: 50px;
}

/* 表格 */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table-striped > tbody > tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) {
  background-color: rgba(255, 255, 255, 0.02);
}

.table th {
  border-top: none;
  font-weight: 600;
  padding: 0.8rem;
}

.table td {
  padding: 0.8rem;
  vertical-align: middle;
}

.table-hover tbody tr:hover {
  background-color: rgba(67, 97, 238, 0.05);
}

/* 警告框 */
.alert {
  border: none;
  border-radius: var(--border-radius);
  padding: 0.8rem 1.25rem;
}

.alert-info {
  background-color: rgba(6, 214, 160, 0.1);
  color: #06d6a0;
}

.alert-success {
  background-color: rgba(59, 196, 125, 0.1);
  color: #3bc47d;
}

.alert-warning {
  background-color: rgba(255, 209, 102, 0.1);
  color: #ffd166;
}

.alert-danger {
  background-color: rgba(239, 71, 111, 0.1);
  color: #ef476f;
}

[data-theme="dark"] .alert-info {
  background-color: rgba(6, 214, 160, 0.15);
}

[data-theme="dark"] .alert-success {
  background-color: rgba(59, 196, 125, 0.15);
}

[data-theme="dark"] .alert-warning {
  background-color: rgba(255, 209, 102, 0.15);
}

[data-theme="dark"] .alert-danger {
  background-color: rgba(239, 71, 111, 0.15);
}

/* 进度条 */
.progress {
  height: 8px;
  border-radius: 50px;
  background-color: #ecf0f1;
  margin: 1rem 0;
  overflow: hidden;
}

.progress-bar {
  border-radius: 50px;
}

/* 列表组 */
.list-group-item {
  border: none;
  border-radius: var(--border-radius);
  margin-bottom: 0.5rem;
  padding: 0.8rem 1.25rem;
  background-color: #fff;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

[data-theme="dark"] .list-group-item {
  background-color: #242640;
}

.list-group-item:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 模态框 */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.modal-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.25rem;
}

.modal-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.25rem;
}

[data-theme="dark"] .modal-content {
  background-color: #242640;
}

[data-theme="dark"] .modal-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .modal-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 页脚 */
footer {
  background-color: #fff;
  padding: 1.5rem 0;
  margin-top: 2rem;
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

[data-theme="dark"] footer {
  background-color: #1a1a2e;
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.3);
}

/* 其他元素 */
.jumbotron {
  background: var(--gradient-primary);
  color: white;
  padding: 2.5rem;
  margin-bottom: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--soft-shadow);
  position: relative;
  overflow: hidden;
}

.jumbotron::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/static/img/pattern.svg');
  opacity: 0.1;
  z-index: 0;
}

.jumbotron > * {
  position: relative;
  z-index: 1;
}

/* 磨砂玻璃效果 */
.glass-effect {
  background: rgba(67, 97, 238, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .glass-effect {
  background: rgba(58, 12, 163, 0.85);
}

[data-theme="dark"] .jumbotron {
  background: linear-gradient(135deg, #3a0ca3, #4361ee);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .container {
    padding: 0 0.8rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .jumbotron {
    padding: 2rem 1rem;
  }
}

/* 自定义类 */
.text-primary {
  color: var(--primary-color) !important;
}

.text-success {
  color: var(--secondary-color) !important;
}

.text-danger {
  color: var(--danger-color) !important;
}

.text-warning {
  color: var(--warning-color) !important;
}

.text-info {
  color: var(--info-color) !important;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.bg-success {
  background-color: var(--secondary-color) !important;
}

.bg-danger {
  background-color: var(--danger-color) !important;
}

.bg-warning {
  background-color: var(--warning-color) !important;
}

.bg-info {
  background-color: var(--info-color) !important;
}

/* 动画效果 */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 自动隐藏闪现消息 */
.alert-dismissible {
  animation: fadeOut 0.5s ease-in 5s forwards;
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    display: none;
  }
}

/* 搜索栏 */
.search-container {
  margin: 1.25rem 0;
  position: relative;
}

.search-container .form-control {
  padding-right: 40px;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.05);
  height: 45px;
}

[data-theme="dark"] .search-container .form-control {
  background-color: rgba(33, 37, 41, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #f8f9fa;
}

.search-container .btn {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* 筛选区域 */
.filter-container {
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  border-radius: var(--border-radius);
  background-color: #fff;
  box-shadow: var(--box-shadow);
}

[data-theme="dark"] .filter-container {
  background-color: #242640;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  box-shadow: var(--soft-shadow);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: #3051d3;
  transform: translateY(-3px);
}

[data-theme="dark"] .back-to-top {
  background-color: #4cc9f0;
}

/* 暗色模式切换按钮 */
.theme-toggle {
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* 空状态样式 */
.empty-state {
  text-align: center;
  padding: 2.5rem;
  margin: 1.5rem 0;
  border-radius: var(--border-radius);
  background-color: #fff;
  box-shadow: var(--box-shadow);
}

[data-theme="dark"] .empty-state {
  background-color: #242640;
}

.empty-state img {
  max-width: 180px;
  margin-bottom: 1.25rem;
  opacity: 0.8;
}

.empty-state h3 {
  margin-bottom: 0.8rem;
  color: var(--text-color);
}

.empty-state p {
  color: var(--gray-color);
  margin-bottom: 1.25rem;
}

/* 价格标签 */
.price-tag {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.1rem;
}

/* 任务卡片标题 */
.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

/* 任务卡片内容 */
.card-text {
  color: var(--gray-color);
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* 分页导航 */
.pagination {
  margin-top: 1.5rem;
}

.page-link {
  color: var(--primary-color);
  border: none;
  padding: 0.5rem 0.75rem;
  margin: 0 0.2rem;
  border-radius: var(--border-radius);
}

.page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.page-item.disabled .page-link {
  color: var(--gray-color);
}

[data-theme="dark"] .page-link {
  background-color: #242640;
  color: #f8f9fa;
}

[data-theme="dark"] .page-item.active .page-link {
  background-color: var(--primary-color);
}

[data-theme="dark"] .page-item.disabled .page-link {
  background-color: #1a1a2e;
} 

/* 任务标签样式 */
.task-tags {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

/* 未登录用户的任务列表模糊效果 */
.tasks-blur {
  filter: blur(5px);
  pointer-events: none;
  user-select: none;
  position: relative;
}

/* 登录提示覆盖层 */
.login-overlay {
  position: relative;
  margin: 2rem 0;
  z-index: 10;
}

.login-message {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--soft-shadow);
  text-align: center;
  width: 90%;
  max-width: 500px;
  z-index: 20;
}

[data-theme="dark"] .login-message {
  background-color: #242640;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.login-message i {
  color: var(--primary-color);
  font-size: 2.5rem;
}

.login-message h3 {
  margin: 0.5rem 0;
  color: var(--text-color);
}

.login-message p {
  color: var(--gray-color);
  margin-bottom: 1rem;
}

/* 标签徽章间距 */
.badge {
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
} 

/* EasyMDE编辑器样式修复 */
.EasyMDEContainer {
  width: 100%;
  box-sizing: border-box;
}

.EasyMDEContainer .CodeMirror {
  border-radius: var(--border-radius);
  border: 1px solid #dce4ec;
  height: auto;
  min-height: 200px;
  max-height: 400px;
}

.EasyMDEContainer .editor-toolbar {
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  border: 1px solid #dce4ec;
  border-bottom: none;
}

[data-theme="dark"] .EasyMDEContainer .CodeMirror {
  background-color: #2d3047;
  border-color: #3d3f61;
  color: #f8f9fa;
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar {
  background-color: #242640;
  border-color: #3d3f61;
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar button {
  color: #f8f9fa;
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar button:hover,
[data-theme="dark"] .EasyMDEContainer .editor-toolbar button.active {
  background-color: #3a3c5c;
}

/* 修复管理界面布局 */
.container-fluid {
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .container-fluid {
    padding: 0.5rem;
  }
  
  .row > [class*="col-"] {
    margin-bottom: 1rem;
  }
}