/* ========================================
   KEYWORD RESEARCH AI v8.0 - DESIGN SYSTEM
   Con estilos para métricas avanzadas
   ======================================== */

:root {
  /* Primary Colors */
  --primary: #FF6E00;
  --primary-dark: #E55A00;
  --primary-light: #FF8A33;
  --primary-rgb: 255, 110, 0;
  
  /* Semantic Colors */
  --success: #10b981;
  --success-light: #34d399;
  --error: #ef4444;
  --error-light: #f87171;
  --warning: #f59e0b;
  --warning-light: #fbbf24;
  --info: #3b82f6;
  --info-light: #60a5fa;
  
  /* Dark Theme (Default) */
  --bg-dark: #0a0e1b;
  --bg-panel: #131823;
  --bg-card: #1c2333;
  --bg-hover: #252d3d;
  --bg-active: #2d3548;
  
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-disabled: #475569;
  
  --border: #2a3441;
  --border-light: #374151;
  --border-focus: var(--primary);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 20px rgba(var(--primary-rgb), 0.3);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed: 70px;
  --header-height: 60px;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-dark);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-panel);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: var(--radius-sm);
}

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

/* Layout */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #0f1420 100%);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-base);
  position: relative;
  z-index: 30;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.sidebar-logo-text {
  font-weight: 700;
  font-size: 1.125rem;
  transition: opacity var(--transition-base);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar.collapsed .sidebar-logo-text {
  opacity: 0;
  visibility: hidden;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-sm);
  overflow-y: auto;
}

.sidebar-footer {
  padding: var(--spacing-sm);
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), 0.1));
  transition: width var(--transition-base);
}

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

.nav-item:hover::before {
  width: 100%;
}

.nav-item.active {
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
  box-shadow: inset 3px 0 0 var(--primary);
}

.nav-icon {
  width: 20px;
  margin-right: var(--spacing-md);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar.collapsed .nav-icon {
  margin-right: 0;
}

.nav-text {
  font-size: 0.875rem;
  font-weight: 500;
}

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

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
.header {
  height: var(--header-height);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Content Area */
.content-area {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
  overflow-x: hidden;
}

.content-section {
  display: none;
  animation: fadeIn var(--transition-base);
}

.content-section.active {
  display: block;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-panel);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.card-body {
  padding: var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.25);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.btn-secondary {
  background: var(--bg-panel);
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), var(--success-light));
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), var(--warning-light));
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--error), var(--error-light));
  color: white;
}

.btn-info {
  background: linear-gradient(135deg, var(--info), var(--info-light));
  color: white;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
}

.btn-block {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-panel);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
  background: var(--bg-card);
}

.form-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  font-family: var(--font-sans);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Checkboxes */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-label:hover {
  background: var(--bg-hover);
}

.checkbox-label input[type="checkbox"] {
  margin-right: var(--spacing-sm);
}

.checkbox-label small {
  margin-top: var(--spacing-xs);
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: rgba(var(--primary-rgb), 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Upload Area */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--bg-panel);
}

.upload-area:hover {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.upload-area.dragging {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
  box-shadow: var(--shadow-glow);
}

.upload-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* File Info */
.file-info {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
}

.file-details {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.file-details i {
  color: var(--success);
  font-size: 1.5rem;
}

/* Analysis Box */
.analysis-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

.analysis-box h4 {
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

.analysis-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.analysis-stats .stat-item {
  padding: var(--spacing-sm);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}

/* Progress */
.progress-overview {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.progress-stat {
  text-align: center;
}

.progress-stat strong {
  display: block;
  font-size: 1.25rem;
  color: var(--primary);
  margin-top: var(--spacing-xs);
}

.progress-container {
  margin-bottom: var(--spacing-lg);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}

.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--spacing-md) 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
  box-shadow: var(--shadow-glow);
}

.progress-details {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

/* Column Progress */
.column-progress {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
}

.column-item {
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  align-items: center;
  gap: var(--spacing-md);
}

.mini-progress {
  height: 4px;
  background: var(--bg-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.mini-progress-bar {
  height: 100%;
  background: var(--primary);
  transition: width var(--transition-base);
}

/* Processing Stats */
.processing-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-item .stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-item .stat-value {
  font-weight: 700;
  font-size: 0.875rem;
}

/* System Status */
.system-status {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.status-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
}

.status-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.status-value {
  font-weight: 600;
}

/* Control Buttons */
.control-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Log Box */
.log-container {
  margin-top: var(--spacing-lg);
}

.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.log-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  height: 200px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.log-entry {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border);
  animation: slideIn var(--transition-base);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.log-entry.error {
  color: var(--error);
}

.log-entry.success {
  color: var(--success);
}

.log-entry.warning {
  color: var(--warning);
}

.log-entry.info {
  color: var(--info);
}

/* Table */
.table-responsive {
  overflow-x: auto;
  margin-top: var(--spacing-lg);
}

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

.data-table thead {
  background: var(--bg-panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
}

.data-table th:hover {
  color: var(--primary);
}

.data-table th i {
  margin-left: var(--spacing-xs);
  font-size: 0.625rem;
}

.data-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border);
}

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

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

/* ========================================
   BADGES PARA MÉTRICAS AVANZADAS
   ======================================== */

/* Score Badges */
.score-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  min-width: 40px;
}

.score-excellent {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.score-good {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.score-medium {
  background: linear-gradient(135deg, var(--warning), #d97706);
  color: white;
}

.score-low {
  background: linear-gradient(135deg, #6b7280, #4b5563);
  color: white;
}

/* Priority Badges */
.priority-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  min-width: 40px;
}

.priority-p1 {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.priority-p2 {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.priority-p3 {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
}

.priority-p4 {
  background: linear-gradient(135deg, #6b7280, #4b5563);
  color: white;
}

/* Difficulty Badges */
.difficulty-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.difficulty-fácil {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid #10b981;
}

.difficulty-media {
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
  border: 1px solid #fbbf24;
}

.difficulty-alta {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
  border: 1px solid #fb923c;
}

.difficulty-muy-alta {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* Relevance Badges */
.relevance-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

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

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

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

.badge-low {
  background: var(--error);
  color: white;
}

/* Intention Badges */
.intention-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-transactional {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.badge-commercial {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.badge-informational {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
}

.badge-navigational {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  color: white;
}

/* Quick Stats */
.quick-stats {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
}

.stat-badge {
  flex: 1;
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}

.stat-badge strong {
  display: block;
  font-size: 1.25rem;
  color: var(--primary);
}

/* Filter Row */
.filter-row {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  min-width: 150px;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Pagination */
.pagination {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: center;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pagination-info {
  margin-left: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--spacing-lg);
}

.tab {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
}

.tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
  animation: fadeIn var(--transition-base);
}

.tab-content.active {
  display: block;
}

/* Code Editor */
.code-editor {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

/* Settings Grid */
.settings-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.setting-item:hover {
  background: var(--bg-hover);
}

.setting-info h4 {
  margin-bottom: var(--spacing-xs);
}

.setting-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* API Limits */
.api-limits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
}

.limit-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.limit-item input {
  width: 80px;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-align: center;
}

/* Info Box */
.info-box {
  background: rgba(var(--primary-rgb), 0.1);
  border: 1px solid rgba(var(--primary-rgb), 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
}

.info-box i {
  color: var(--primary);
  font-size: 1.25rem;
}

.info-box ul {
  margin-left: var(--spacing-lg);
  margin-top: var(--spacing-sm);
}

.info-box p {
  margin: var(--spacing-xs) 0;
}

/* Input Group */
.input-group {
  display: flex;
  gap: var(--spacing-sm);
}

.input-group .form-input {
  flex: 1;
}

/* Button Group */
.button-group {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Project List */
.project-list {
  display: grid;
  gap: var(--spacing-md);
}

.project-item {
  padding: var(--spacing-md);
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
  border: 1px solid var(--border);
}

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

.project-info {
  flex: 1;
}

.project-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.project-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 40;
  padding: var(--spacing-lg);
  animation: fadeIn var(--transition-base);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp var(--transition-base);
  border: 1px solid var(--border);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.modal-body {
  margin-bottom: var(--spacing-lg);
}

.modal-body p {
  margin-bottom: var(--spacing-md);
}

.modal-body strong {
  color: var(--primary);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 80;
  pointer-events: none;
  max-width: 400px;
}

.toast {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--primary);
  transform: translateX(400px);
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: all;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--error);
}

.toast.warning {
  border-left-color: var(--warning);
}

.toast.info {
  border-left-color: var(--info);
}

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

/* Utility Classes */
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }

.text-success { color: var(--success) !important; }
.text-error { color: var(--error) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-muted) !important; }

/* Responsive Design */
@media (max-width: 1024px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .processing-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    z-index: 50;
    transition: left var(--transition-base);
  }
  
  .sidebar.mobile-open {
    left: 0;
    box-shadow: var(--shadow-xl);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .processing-stats {
    grid-template-columns: 1fr;
  }
  
  .control-buttons {
    grid-template-columns: 1fr;
  }
  
  .filter-row {
    flex-direction: column;
  }
  
  .system-status {
    grid-template-columns: 1fr;
  }
  
  .quick-stats {
    flex-direction: column;
  }
  
  .column-item {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .toast-container {
    left: var(--spacing-lg);
    right: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .content-area {
    padding: var(--spacing-md);
  }
  
  .header-actions {
    flex-direction: column;
  }
  
  .btn span {
    display: none;
  }
  
  .btn i {
    margin: 0;
  }
  
  .modal-content {
    padding: var(--spacing-lg);
  }
}

/* Print Styles */
@media print {
  .sidebar,
  .header,
  .btn,
  .control-buttons,
  .toast-container,
  .modal {
    display: none !important;
  }
  
  .main-content {
    margin: 0;
  }
  
  .content-area {
    padding: 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
}