:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --secondary-hover: #475569;
  --success-color: #16a34a;
  --warning-color: #ea580c;
  --danger-color: #dc2626;
  --background-color: #f8fafc;
  --surface-color: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --transition: all 0.2s ease-in-out;
  --sidebar-width: 320px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

input, textarea, .metric-value, .performance-value, .forecast-value {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--surface-color);
  border-right: 1px solid var(--border-color);
  padding: 24px;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
  position: fixed;
  height: 100vh;
  z-index: 10;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  max-height: 100vh;
}

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

.sidebar-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.input-panel h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 8px;
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: var(--transition);
  background-color: var(--surface-color);
  touch-action: manipulation;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  -webkit-tap-highlight-color: transparent;
}

.form-group input[type="number"] {
  -webkit-appearance: none;
  -moz-appearance: textfield;
  appearance: textfield;
}

.form-group input[type="number"]::-webkit-outer-spin-button,
.form-group input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-group input:hover {
  border-color: var(--primary-color);
}

.form-group small {
    display: block;
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-style: italic;
}

.input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.input-footer small {
  margin: 0;
}

.info-icon {
  font-size: 0.9rem;
  color: #0284c7;
  flex-shrink: 0;
  cursor: help;
  transition: var(--transition);
  margin-left: 8px;
}

.info-icon:hover {
  color: #0369a1;
  transform: scale(1.1);
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
    cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  width: 100%;
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.btn::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: calc(var(--radius) + 4px);
  background: transparent;
  transition: background-color 0.2s ease;
}

.btn:active::before {
  background-color: rgba(0, 0, 0, 0.1);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

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

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

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

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

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

.btn-export:hover:not(:disabled) {
  background-color: #15803d;
}

.btn-export:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-info {
  background-color: #0891b2;
  color: white;
}

.btn-info:hover {
  background-color: #0e7490;
}

.btn-icon {
  font-size: 1rem;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color);
}

.results-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.metric-card {
  background: var(--surface-color);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.metric-card.primary {
  border-left: 4px solid var(--primary-color);
}

.metric-card.variance {
  border-left: 4px solid var(--secondary-color);
}

.metric-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 12px;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.metric-unit {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.performance-section {
  margin-bottom: 32px;
}

.performance-section h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.performance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.performance-card {
  background: var(--surface-color);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.performance-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.performance-header h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.performance-header span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 16px;
}

.performance-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.performance-status {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 6px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.forecast-section {
  margin-bottom: 32px;
}

.forecast-section h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.forecast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.forecast-card {
  background: var(--surface-color);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
}

.forecast-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.forecast-header h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.forecast-header span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 12px;
}

.forecast-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.forecast-unit {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

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

.info-card {
  background: var(--background-color);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.info-card h4 {
  color: var(--primary-color);
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}

.info-card p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
}

.logic-hints {
  margin-bottom: 32px;
  background: var(--surface-color);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.logic-hints h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
  text-align: center;
}

.hints-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.hint-card {
  background: var(--background-color);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.hint-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

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

.hint-card h4 {
  color: var(--primary-color);
  margin-bottom: 12px;
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hint-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.hint-card p:last-child {
  margin-bottom: 0;
}

.hint-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

.chart-section {
  margin-bottom: 32px;
  background: var(--surface-color);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.chart-section h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
  text-align: center;
}

.chart-container {
  position: relative;
  margin-bottom: 20px;
  background: var(--background-color);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border-color);
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 2px solid var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.pv-color {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

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

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

.metric-card.green,
.performance-card.green,
.forecast-card.green {
  border-left-color: var(--success-color);
  background-color: #f0fdf4;
}

.metric-card.yellow,
.performance-card.yellow,
.forecast-card.yellow {
  border-left-color: var(--warning-color);
  background-color: #fffbeb;
}

.metric-card.red,
.performance-card.red,
.forecast-card.red {
  border-left-color: var(--danger-color);
  background-color: #fef2f2;
}

.performance-status.green {
  background-color: var(--success-color);
  color: white;
}

.performance-status.yellow {
  background-color: var(--warning-color);
  color: white;
}

.performance-status.red {
  background-color: var(--danger-color);
  color: white;
}

@media (max-width: 1200px) {
  :root {
    --sidebar-width: 300px;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .performance-grid {
    grid-template-columns: 1fr;
  }
  
  .forecast-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  :root {
    --sidebar-width: 280px;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .performance-grid {
    grid-template-columns: 1fr;
  }
  
  .forecast-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .info-panel {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  
  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    max-height: none;
    padding: 20px;
  }
  
  .main-content {
    margin-left: 0;
    max-height: none;
    padding: 20px;
  }
  
  .sidebar-header h1 {
    font-size: 1.6rem;
  }
  
  .input-panel h2 {
    font-size: 1.1rem;
  }
  
  .input-footer {
    margin-top: 6px;
  }
  
  .info-icon {
    font-size: 0.8rem;
  }
  
  .form-group {
    margin-bottom: 16px;
  }
  
  .form-group input {
    padding: 12px 16px;
    font-size: 16px;
  }
  
  .button-group {
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
  }
  
  .btn {
    padding: 14px 16px;
    font-size: 1rem;
    min-height: 48px;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
  }
  
  .performance-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .forecast-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .info-panel {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .logic-hints {
    padding: 20px;
  }
  
  .logic-hints h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
  }
  
  .hints-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .hint-card {
    padding: 16px;
  }
  
  .hint-card h4 {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }
  
  .hint-card p {
    font-size: 0.8rem;
  }
  
  .chart-section {
    padding: 20px;
  }
  
  .chart-section h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
  }
  
  .chart-container {
    padding: 12px;
  }
  
  .chart-legend {
    gap: 16px;
  }
  
  .legend-item {
    font-size: 0.85rem;
  }
  
  .results-header h2 {
    font-size: 1.5rem;
  }
  
  .metric-card,
  .performance-card,
  .forecast-card {
    padding: 16px;
  }
  
  .metric-value {
    font-size: 1.8rem;
  }
  
  .performance-value {
    font-size: 1.6rem;
  }
  
  .forecast-value {
    font-size: 1.4rem;
  }
}

@media (max-width: 600px) {
  .sidebar,
  .main-content {
    padding: 16px;
  }
  
  .sidebar-header {
    margin-bottom: 24px;
  }
  
  .sidebar-header h1 {
    font-size: 1.5rem;
  }
  
  .input-panel h2 {
    font-size: 1rem;
    margin-bottom: 16px;
  }
  
  .form-group label {
    font-size: 0.85rem;
    margin-bottom: 4px;
  }
  
  .form-group small {
    font-size: 0.75rem;
  }
  
  .button-group {
    gap: 8px;
    margin-top: 16px;
  }
  
  .btn {
    padding: 12px 16px;
    font-size: 0.95rem;
    min-height: 44px;
  }
  
  .btn-icon {
    font-size: 0.9rem;
  }
  
  .results-header {
    margin-bottom: 24px;
    padding-bottom: 12px;
  }
  
  .results-header h2 {
    font-size: 1.3rem;
  }
  
  .metrics-grid,
  .performance-section,
  .forecast-section {
    margin-bottom: 24px;
  }
  
  .performance-section h3,
  .forecast-section h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
  }
  
  .logic-hints {
    padding: 16px;
  }
  
  .logic-hints h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
  }
  
  .hint-card {
    padding: 14px;
  }
  
  .hint-card h4 {
    font-size: 0.9rem;
    margin-bottom: 8px;
  }
  
  .hint-card p {
    font-size: 0.75rem;
    line-height: 1.4;
  }
  
  .metric-card,
  .performance-card,
  .forecast-card {
    padding: 14px;
  }
  
  .metric-header h3 {
    font-size: 1.3rem;
  }
  
  .performance-header h4,
  .forecast-header h4 {
    font-size: 1.1rem;
  }
  
  .metric-value {
    font-size: 1.6rem;
  }
  
  .performance-value {
    font-size: 1.4rem;
  }
  
  .forecast-value {
    font-size: 1.3rem;
  }
  
  .info-card {
    padding: 12px;
  }
  
  .info-card h4 {
    font-size: 0.85rem;
  }
  
  .info-card p {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .sidebar,
  .main-content {
    padding: 12px;
  }
  
  .sidebar-header {
    margin-bottom: 20px;
  }
  
  .sidebar-header h1 {
    font-size: 1.4rem;
  }
  
  .subtitle {
    font-size: 0.8rem;
  }
  
  .input-panel h2 {
    font-size: 0.95rem;
    margin-bottom: 14px;
  }
  
  .form-group {
    margin-bottom: 14px;
  }
  
  .form-group input {
    padding: 10px 12px;
    font-size: 16px;
  }
  
  .button-group {
    gap: 6px;
    margin-top: 14px;
  }
  
  .btn {
    padding: 10px 14px;
    font-size: 0.9rem;
    min-height: 40px;
  }
  
  .btn-icon {
    font-size: 0.85rem;
  }
  
  .results-header {
    margin-bottom: 20px;
    padding-bottom: 10px;
  }
  
  .results-header h2 {
    font-size: 1.2rem;
  }
  
  .metrics-grid,
  .performance-section,
  .forecast-section,
  .chart-section {
    margin-bottom: 20px;
  }
  
  .performance-section h3,
  .forecast-section h3,
  .chart-section h3 {
    font-size: 1.1rem;
    margin-bottom: 14px;
  }
  
  .metric-card,
  .performance-card,
  .forecast-card {
    padding: 12px;
  }
  
  .chart-section {
    padding: 16px;
  }
  
  .chart-container {
    padding: 10px;
  }
  
  .chart-legend {
    gap: 12px;
    flex-direction: column;
    align-items: center;
  }
  
  .legend-item {
    font-size: 0.8rem;
  }
  
  .metric-header h3 {
    font-size: 1.2rem;
  }
  
  .performance-header h4,
  .forecast-header h4 {
    font-size: 1rem;
  }
  
  .metric-value {
    font-size: 1.5rem;
  }
  
  .performance-value {
    font-size: 1.3rem;
  }
  
  .forecast-value {
    font-size: 1.2rem;
  }
  
  .info-card {
    padding: 10px;
  }
  
  .info-card h4 {
    font-size: 0.8rem;
  }
  
  .info-card p {
    font-size: 0.7rem;
  }
}

@media (max-width: 360px) {
  .sidebar,
  .main-content {
    padding: 10px;
  }
  
  .sidebar-header h1 {
    font-size: 1.3rem;
  }
  
  .form-group input {
    padding: 8px 10px;
  }
  
  .btn {
    padding: 8px 12px;
    font-size: 0.85rem;
    min-height: 38px;
  }
  
  .metric-card,
  .performance-card,
  .forecast-card {
    padding: 10px;
  }
  
  .metric-value {
    font-size: 1.4rem;
  }
  
  .performance-value {
    font-size: 1.2rem;
  }
  
  .forecast-value {
    font-size: 1.1rem;
  }
  
  .chart-section {
    padding: 12px;
  }
  
  .chart-section h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }
  
  .chart-container {
    padding: 8px;
  }
  
  .chart-legend {
    gap: 8px;
    flex-direction: column;
    align-items: center;
  }
  
  .legend-item {
    font-size: 0.75rem;
  }
  
  .legend-color {
    width: 14px;
    height: 14px;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  .sidebar {
    max-height: 100vh;
    overflow-y: auto;
  }
  
  .sidebar-header {
    margin-bottom: 16px;
  }
  
  .sidebar-header h1 {
    font-size: 1.3rem;
    margin-bottom: 4px;
  }
  
  .form-group {
    margin-bottom: 12px;
  }
  
  .button-group {
    margin-top: 16px;
    gap: 8px;
  }
  
  .btn {
    padding: 8px 12px;
    min-height: 36px;
  }
}

@media (hover: none) and (pointer: coarse) {
  .btn:hover {
    transform: none;
  }
  
  .metric-card:hover,
  .performance-card:hover,
  .forecast-card:hover,
  .info-card:hover {
    transform: none;
  }
  
  .btn:active {
    transform: scale(0.98);
  }
  
  .metric-card:active,
  .performance-card:active,
  .forecast-card:active,
  .info-card:active {
    transform: scale(0.98);
  }
}



@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.btn:focus,
input:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
  }
  
  .metric-card,
  .performance-card,
  .forecast-card {
    border-width: 2px;
  }
}

.author-footer {
  margin-top: 40px;
  padding: 24px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  border-radius: var(--radius);
  text-align: center;
  color: white;
  box-shadow: var(--shadow-lg);
}

.author-info p {
  margin: 8px 0;
  font-size: 1rem;
  font-weight: 500;
}

.author-info p:first-child {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.author-description {
  font-size: 0.9rem;
  opacity: 0.9;
  font-style: italic;
}

@media (max-width: 768px) {
  .author-footer {
    margin-top: 32px;
    padding: 20px;
  }
  
  .author-info p:first-child {
    font-size: 1rem;
  }
  
  .author-info p {
    font-size: 0.9rem;
  }
  
  .author-description {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .author-footer {
    margin-top: 24px;
    padding: 16px;
  }
  
  .author-info p:first-child {
    font-size: 0.95rem;
  }
  
  .author-info p {
    font-size: 0.85rem;
  }
  
  .author-description {
    font-size: 0.75rem;
  }
  }