/* BitForge v5 - COMPLETE CSS with ALL classes */

:root {
  --primary: #9333EA;
  --secondary: #F59E0B;
  --accent: #10B981;
  --dark: #18181B;
  --darker: #09090B;
  --card: #27272A;
  --card-hover: #3F3F46;
  --border: #52525B;
  --text: #FAFAFA;
  --text-muted: #A1A1AA;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --gradient1: linear-gradient(135deg, #9333EA 0%, #F59E0B 100%);
  --gradient2: linear-gradient(135deg, #6366F1 0%, #9333EA 100%);
  --gradient3: linear-gradient(135deg, #F59E0B 0%, #DC2626 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--darker);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* App Container */
.app-modern {
  min-height: 100vh;
  background: radial-gradient(ellipse at top, #27272A 0%, #09090B 50%);
  position: relative;
}

/* Header */
.modern-header {
  background: rgba(24, 24, 27, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  height: 50px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-modern {
  display: flex;
  gap: 1rem;
}

.nav-btn {
  padding: 0.5rem 1.5rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  color: var(--text);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-btn:hover {
  background: var(--card);
  border-color: var(--primary);
  color: var(--primary);
}

.nav-btn.primary {
  background: var(--gradient1);
  border: none;
  color: white;
}

/* Main Content */
.main-modern {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero Section */
.hero-modern {
  text-align: center;
  padding: 3rem 2rem;
}

.hero-title-modern {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: 1rem;
  background: var(--gradient1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle-modern {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Stats */
.dashboard-stats {
  margin-bottom: 3rem;
}

.stats-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card-modern {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.stat-card-modern:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(147, 51, 234, 0.2);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(147, 51, 234, 0.1);
  color: var(--primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Search Section */
.search-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  margin-bottom: 3rem;
}

.worker-search-modern {
  margin-bottom: 3rem;
}

.search-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.search-card.gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient1);
}

.search-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.search-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search-header-icon {
  color: var(--primary);
  width: 24px;
  height: 24px;
}

.search-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.search-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.search-container {
  position: relative;
}

.search-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: var(--darker);
  border: 2px solid var(--border);
  border-radius: 1rem;
  color: var(--text);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.search-input-group {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
}

.search-input-modern {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: var(--darker);
  border: 2px solid var(--border);
  border-radius: 1rem;
  color: var(--text);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.search-input-modern:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.search-input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-btn {
  position: absolute;
  right: 0.5rem;
  padding: 0.75rem 2rem;
  background: var(--gradient1);
  border: none;
  border-radius: 0.75rem;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(147, 51, 234, 0.3);
}

.search-btn-modern {
  padding: 1rem 2rem;
  background: var(--gradient1);
  border: none;
  border-radius: 0.75rem;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  white-space: nowrap;
}

.search-btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(147, 51, 234, 0.3);
}

.search-btn-modern:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Worker Search Results */
.search-results {
  margin-top: 2rem;
}

.search-results-modern {
  margin-top: 2rem;
}

.results-summary {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.results-summary h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.results-summary p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.summary-stats {
  display: flex;
  gap: 2rem;
  padding: 1rem;
  background: var(--darker);
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.summary-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.summary-icon {
  color: var(--primary);
}

.workers-grid {
  display: grid;
  gap: 1rem;
}

/* Worker Cards */
.worker-card {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.worker-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(147, 51, 234, 0.1);
}

.worker-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.worker-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.worker-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.worker-status.online,
.status-online {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.worker-status.offline,
.status-offline {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.worker-main {
  display: flex;
  flex-direction: column;
}

.worker-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
}

.worker-wallet {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

.worker-body {
  padding: 1.5rem;
}

.worker-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.worker-stat {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stat-icon-small {
  width: 36px;
  height: 36px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(147, 51, 234, 0.1);
  color: var(--primary);
}

.stat-details {
  flex: 1;
}

.stat-value-small {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.stat-label-small {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Worker Actions */
.worker-actions {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.expand-btn {
  padding: 0.5rem 1rem;
  background: var(--primary);
  border: none;
  border-radius: 0.5rem;
  color: white;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.expand-btn:hover {
  background: var(--secondary);
}

.chevron {
  transform: rotate(0deg);
  transition: transform 0.3s ease;
}

.chevron.expanded {
  transform: rotate(180deg);
}

/* Expanded Worker Details */
.worker-expanded {
  padding: 1.5rem;
  background: var(--darker);
  border-top: 1px solid var(--border);
}

.expanded-section {
  margin-bottom: 2rem;
}

.expanded-section:last-child {
  margin-bottom: 0;
}

.expanded-section h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
}

.section-icon {
  color: var(--primary);
}

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

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
}

.metric-value.address {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  word-break: break-all;
}

/* Action Cards and Content */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.content-main {
  display: grid;
  gap: 2rem;
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.action-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.action-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(147, 51, 234, 0.2);
}

.action-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient1);
  color: white;
}

.action-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.action-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

/* Buttons */
.action-btn,
.btn-modern {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  text-decoration: none;
}

.action-btn.primary,
.btn-modern.primary {
  background: var(--gradient1);
  color: white;
}

.action-btn.secondary,
.btn-modern.secondary {
  background: var(--card-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.action-btn:hover,
.btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(147, 51, 234, 0.2);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

/* Chart Card */
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.chart-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.chart-title-icon {
  color: var(--primary);
}

.chart-controls {
  display: flex;
  gap: 0.5rem;
}

.period-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.chart-placeholder {
  height: 300px;
  background: var(--darker);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

/* Quick Actions */
.quick-actions {
  margin-top: 2rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-modern {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header-modern {
  padding: 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-title h2 {
  font-size: 1.5rem;
  color: var(--text);
}

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

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.modal-close:hover {
  background: var(--card-hover);
  color: var(--text);
}

.modal-body {
  padding: 2rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Lightning Modal Specific */
.lightning-hero {
  text-align: center;
  margin-bottom: 2rem;
}

.lightning-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  background: var(--gradient1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.lightning-features {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--darker);
  border-radius: 0.75rem;
}

.feature-check {
  width: 24px;
  height: 24px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.75rem;
}

.lightning-graphic {
  text-align: center;
  padding: 2rem;
  background: var(--darker);
  border-radius: 1rem;
  margin: 2rem 0;
}

/* Referral Modal Specific */
.referral-hero {
  text-align: center;
  margin-bottom: 2rem;
}

.ref-stat {
  text-align: center;
  padding: 1rem;
  background: var(--darker);
  border-radius: 0.75rem;
}

.ref-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

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

.referral-code-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--darker);
  border-radius: 0.75rem;
  margin: 1rem 0;
}

.reward-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  background: var(--gradient1);
  border-radius: 1rem;
  color: white;
  margin-bottom: 1rem;
}

.reward-amount {
  font-size: 3rem;
  font-weight: 900;
}

.reward-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.referral-code {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--darker);
  border-radius: 0.75rem;
  margin: 1rem 0;
}

.code-display {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
}

.copy-btn {
  padding: 0.5rem 1rem;
  background: var(--primary);
  border: none;
  border-radius: 0.5rem;
  color: white;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.copy-btn:hover {
  background: var(--secondary);
}

.referral-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.referral-stat {
  text-align: center;
  padding: 1rem;
  background: var(--darker);
  border-radius: 0.75rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-description {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Mining Config */
.config-info {
  background: var(--darker);
  padding: 1.5rem;
  border-radius: 1rem;
  margin: 1rem 0;
}

.config-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

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

.code-label {
  font-weight: 600;
  color: var(--text);
}

.code-display {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--primary);
  background: var(--card);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

/* Language Selector */
.language-selector {
  position: relative;
}

.lang-button,
.language-button {
  padding: 0.5rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.lang-button:hover,
.language-button:hover {
  background: var(--card-hover);
  border-color: var(--primary);
}

.lang-dropdown,
.language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  z-index: 100;
  min-width: 150px;
}

.lang-option,
.language-option {
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  transition: all 0.3s ease;
}

.lang-option:hover,
.language-option:hover {
  background: var(--card-hover);
  color: var(--primary);
}

.lang-option.active,
.language-option.active {
  background: rgba(147, 51, 234, 0.1);
  color: var(--primary);
}

.flag {
  font-size: 1.125rem;
}

.lang-name {
  font-size: 0.875rem;
}

.lang-code {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, var(--card) 25%, var(--card-hover) 50%, var(--card) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 0.5rem;
  height: 1.5rem;
}

.skeleton-text {
  background: linear-gradient(90deg, var(--card) 25%, var(--card-hover) 50%, var(--card) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 0.5rem;
  height: 1rem;
}

.skeleton-text.small {
  height: 0.75rem;
}

.skeleton-text.large {
  height: 1.5rem;
}

.stat-card.loading {
  opacity: 0.7;
}

.stat-icon.skeleton {
  background: linear-gradient(90deg, var(--card) 25%, var(--card-hover) 50%, var(--card) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

/* Error States */
.error-card {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
}

.error-icon {
  color: var(--error);
  margin-bottom: 1rem;
}

.error-message {
  font-size: 1rem;
  font-weight: 500;
}

.no-results-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 3rem;
  text-align: center;
}

.no-results-icon {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.no-results-message {
  font-size: 1.125rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.no-results-hint {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .header-actions {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid-modern {
    grid-template-columns: 1fr;
  }
  
  .hero-title-modern {
    font-size: 2rem;
  }
  
  .worker-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .actions-grid {
    grid-template-columns: 1fr;
  }
  
  .summary-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .worker-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .main-modern {
    padding: 1rem;
  }
  
  .search-section {
    padding: 1rem;
  }
  
  .modal-modern {
    width: 95%;
  }
  
  .modal-header-modern,
  .modal-body {
    padding: 1rem;
  }
}