/* ========================================
   WIPO 商标查询系统 - 现代化样式
   ======================================== */

/* CSS 变量定义 */
:root {
  /* 颜色 - 亮色主题 */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  /* 主题色 */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #e0e7ff;
  
  --success: #10b981;
  --success-light: #d1fae5;
  
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  
  --danger: #ef4444;
  --danger-light: #fee2e2;
  
  --info: #3b82f6;
  --info-light: #dbeafe;
  
  /* 状态颜色 */
  --status-pending: #f59e0b;
  --status-processing: #3b82f6;
  --status-completed: #10b981;
  --status-failed: #ef4444;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* 字体 */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* 暗色主题 */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-color: #334155;
  --border-light: #1e293b;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
}

/* 重置样式 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 页面基础 */
.page {
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ========================================
   登录页面
   ======================================== */
#login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-wrapper {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #6B8DD6 100%);
}

.login-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, 20px) rotate(5deg); }
}

.login-container {
  position: relative;
  background: var(--bg-card);
  padding: 48px 40px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 420px;
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header .logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: white;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.login-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-header .subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

.login-form {
  margin-bottom: 24px;
}

.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-group i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}

.input-group input {
  width: 100%;
  padding: 14px 16px 14px 48px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 15px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.login-form .btn {
  width: 100%;
}

.login-form .hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ========================================
   主应用布局
   ======================================== */
#main-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 顶部导航 */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-left .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.header-left .logo i {
  font-size: 24px;
}

.header-nav {
  display: flex;
  gap: 4px;
  background: var(--bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-lg);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.nav-item.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle, .logout-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover, .logout-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* 主内容区 */
.main-content {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.content-page {
  animation: fadeIn 0.3s ease;
}

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

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-header h2 i {
  color: var(--primary);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-group select {
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
}

/* ========================================
   统计卡片
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.pending {
  background: var(--warning-light);
  color: var(--status-pending);
}

.stat-icon.processing {
  background: var(--info-light);
  color: var(--status-processing);
}

.stat-icon.completed {
  background: var(--success-light);
  color: var(--status-completed);
}

.stat-icon.failed {
  background: var(--danger-light);
  color: var(--status-failed);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ========================================
   图表区域
   ======================================== */
.charts-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.chart-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-card h3 i {
  color: var(--primary);
}

.chart-container {
  height: 250px;
  position: relative;
}

/* ========================================
   最近任务
   ======================================== */
.recent-tasks {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-header h3 {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-header h3 i {
  color: var(--primary);
}

.tasks-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.task-item:hover {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

.task-item-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.task-item-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.task-item-count {
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

/* ========================================
   提交表单
   ======================================== */
.submit-form-container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
}

@media (max-width: 900px) {
  .submit-form-container {
    grid-template-columns: 1fr;
  }
}

.form-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.form-card h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-card h4 i {
  color: var(--warning);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-group label i {
  color: var(--primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-group textarea {
  resize: vertical;
  font-family: var(--font-mono);
  min-height: 120px;
}

.input-hint {
  text-align: right;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.quick-input .example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-input .example-chips button {
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-input .example-chips button:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

.btn-success:hover {
  background: #059669;
}

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

.btn-warning:hover {
  background: #d97706;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
}

.btn-back {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.btn-back:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/* ========================================
   表格样式
   ======================================== */
.table-container {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-tertiary);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.loading-cell {
  text-align: center;
  color: var(--text-muted);
  padding: 40px !important;
}

/* 状态标签 */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.status-pending {
  background: var(--warning-light);
  color: var(--status-pending);
}

.status-processing {
  background: var(--info-light);
  color: var(--status-processing);
}

.status-completed {
  background: var(--success-light);
  color: var(--status-completed);
}

.status-failed {
  background: var(--danger-light);
  color: var(--status-failed);
}

/* 进度条 */
.progress-bar {
  width: 120px;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--status-processing);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

/* ========================================
   任务详情
   ======================================== */
.task-detail-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.task-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.info-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.info-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.info-header i {
  color: var(--primary);
}

.info-content {
  padding: 20px;
  font-size: 14px;
}

.info-content p {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.info-content p:last-child {
  border-bottom: none;
}

.info-content .label {
  color: var(--text-secondary);
}

.info-content .value {
  font-weight: 500;
  color: var(--text-primary);
}

.action-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.results-section {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.results-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.results-section h3 i {
  color: var(--primary);
}

/* 骨架屏 */
.skeleton-line {
  height: 16px;
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-color) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.skeleton-line:last-child {
  width: 60%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================
   缓存查询
   ======================================== */
.cache-search-container {
  margin-bottom: 24px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  padding: 8px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.search-box i {
  padding-left: 16px;
  color: var(--text-muted);
}

.search-box input {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  font-size: 15px;
  color: var(--text-primary);
}

.search-box input:focus {
  outline: none;
}

/* ========================================
   结果展示
   ======================================== */
#submit-result,
#cache-result {
  margin-top: 20px;
}

.result-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.result-card.success {
  border-left: 4px solid var(--success);
}

.result-card.error {
  border-left: 4px solid var(--danger);
}

.result-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
}

.result-card.success h4 {
  color: var(--success);
}

.result-card.error h4 {
  color: var(--danger);
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.summary-cards .card {
  background: var(--bg-tertiary);
  padding: 20px;
  border-radius: var(--radius-md);
  text-align: center;
}

.summary-cards .card h4 {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.summary-cards .card .number {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

/* ========================================
   空状态
   ======================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 14px;
}

/* ========================================
   分页
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination button {
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination button:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ========================================
   Toast 通知
   ======================================== */
#toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  animation: slideInRight 0.3s ease;
  min-width: 300px;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--danger);
}

.toast.info {
  border-left: 4px solid var(--info);
}

.toast i {
  font-size: 18px;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.info i { color: var(--info); }

.toast-message {
  flex: 1;
  font-size: 14px;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .app-header {
    padding: 0 12px;
    height: auto;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
  }
  
  .header-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  
  .nav-item span {
    display: none;
  }
  
  .nav-item {
    padding: 12px;
  }
  
  .main-content {
    padding: 16px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .charts-row {
    grid-template-columns: 1fr;
  }
  
  .chart-container {
    height: 200px;
  }
  
  .data-table {
    font-size: 12px;
  }
  
  .data-table th,
  .data-table td {
    padding: 10px 8px;
  }
  
  .progress-bar {
    width: 80px;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons .btn {
    width: 100%;
  }
  
  .search-box {
    flex-wrap: wrap;
  }
  
  .search-box input {
    width: 100%;
    order: 1;
  }
  
  .search-box .btn {
    order: 2;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    padding: 16px;
  }
  
  .stat-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
  
  .stat-value {
    font-size: 24px;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}