/**
 * Marine Blue Theme - RO Desalination Calculator
 * Professional marine-inspired color palette for WordPress integration
 */

/* CSS Variables for Marine Blue Theme */
:root {
  /* Primary Marine Colors */
  --marine-primary: #1e3a8a;      /* Deep ocean blue */
  --marine-secondary: #3b82f6;    /* Ocean blue */
  --marine-accent: #06b6d4;       /* Aqua/cyan */
  --marine-light: #e0f2fe;        /* Light aqua */
  --marine-dark: #0c4a6e;         /* Dark ocean */
  
  /* Supporting Colors */
  --marine-success: #10b981;      /* Sea green */
  --marine-warning: #f59e0b;      /* Amber */
  --marine-error: #ef4444;        /* Coral red */
  --marine-info: #3b82f6;         /* Info blue */
  
  /* Neutral Colors */
  --marine-gray-50: #f8fafc;      /* Lightest gray */
  --marine-gray-100: #f1f5f9;     /* Light gray */
  --marine-gray-200: #e2e8f0;     /* Medium light gray */
  --marine-gray-300: #cbd5e1;     /* Medium gray */
  --marine-gray-400: #94a3b8;     /* Medium dark gray */
  --marine-gray-500: #64748b;     /* Dark gray */
  --marine-gray-600: #475569;     /* Darker gray */
  --marine-gray-700: #334155;     /* Very dark gray */
  --marine-gray-800: #1e293b;     /* Almost black */
  --marine-gray-900: #0f172a;     /* Darkest */
  
  /* Text Colors */
  --marine-text-primary: var(--marine-gray-800);
  --marine-text-secondary: var(--marine-gray-600);
  --marine-text-muted: var(--marine-gray-500);
  --marine-text-light: var(--marine-gray-400);
  
  /* Background Colors */
  --marine-bg-primary: #ffffff;
  --marine-bg-secondary: var(--marine-gray-50);
  --marine-bg-tertiary: var(--marine-gray-100);
  
  /* Border Colors */
  --marine-border-light: var(--marine-gray-200);
  --marine-border-medium: var(--marine-gray-300);
  --marine-border-dark: var(--marine-gray-400);
  
  /* Shadow Colors */
  --marine-shadow-light: rgba(30, 58, 138, 0.1);
  --marine-shadow-medium: rgba(30, 58, 138, 0.15);
  --marine-shadow-dark: rgba(30, 58, 138, 0.2);
  
  /* Gradient Colors */
  --marine-gradient-primary: linear-gradient(135deg, var(--marine-primary) 0%, var(--marine-secondary) 100%);
  --marine-gradient-accent: linear-gradient(135deg, var(--marine-accent) 0%, var(--marine-light) 100%);
  --marine-gradient-dark: linear-gradient(135deg, var(--marine-dark) 0%, var(--marine-primary) 100%);
  
  /* Animation Variables */
  --marine-transition-fast: 0.15s ease;
  --marine-transition-normal: 0.3s ease;
  --marine-transition-slow: 0.5s ease;
  
  /* Spacing Variables */
  --marine-spacing-xs: 0.25rem;
  --marine-spacing-sm: 0.5rem;
  --marine-spacing-md: 1rem;
  --marine-spacing-lg: 1.5rem;
  --marine-spacing-xl: 2rem;
  --marine-spacing-2xl: 3rem;
  
  /* Border Radius Variables */
  --marine-radius-sm: 0.25rem;
  --marine-radius-md: 0.5rem;
  --marine-radius-lg: 0.75rem;
  --marine-radius-xl: 1rem;
  
  /* Font Variables */
  --marine-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --marine-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Calculator Specific Variables */
  --calculator-header-bg: var(--marine-gradient-primary);
  --calculator-panel-bg: var(--marine-bg-primary);
  --calculator-panel-border: var(--marine-border-light);
  --calculator-input-bg: var(--marine-bg-secondary);
  --calculator-result-bg: var(--marine-light);
  --calculator-accent-bg: var(--marine-accent);
  --calculator-shadow: var(--marine-shadow-medium);
  
  /* Interactive Elements */
  --calculator-hover-bg: var(--marine-gray-100);
  --calculator-focus-border: var(--marine-accent);
  --calculator-focus-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
  
  /* Status Colors */
  --calculator-status-good: var(--marine-success);
  --calculator-status-warning: var(--marine-warning);
  --calculator-status-error: var(--marine-error);
  --calculator-status-info: var(--marine-info);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --marine-primary: #3b82f6;
    --marine-secondary: #60a5fa;
    --marine-accent: #22d3ee;
    --marine-light: #164e63;
    --marine-dark: #0c4a6e;
    
    --marine-bg-primary: #0f172a;
    --marine-bg-secondary: #1e293b;
    --marine-bg-tertiary: #334155;
    
    --marine-text-primary: #f1f5f9;
    --marine-text-secondary: #cbd5e1;
    --marine-text-muted: #94a3b8;
    
    --marine-border-light: #334155;
    --marine-border-medium: #475569;
    --marine-border-dark: #64748b;
    
    --marine-shadow-light: rgba(59, 130, 246, 0.1);
    --marine-shadow-medium: rgba(59, 130, 246, 0.15);
    --marine-shadow-dark: rgba(59, 130, 246, 0.2);
    
    --calculator-panel-bg: var(--marine-bg-secondary);
    --calculator-input-bg: var(--marine-bg-tertiary);
    --calculator-result-bg: var(--marine-light);
    --calculator-hover-bg: var(--marine-bg-tertiary);
  }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
  :root {
    --marine-primary: #000080;
    --marine-secondary: #0000ff;
    --marine-accent: #00ffff;
    
    --marine-text-primary: #000000;
    --marine-text-secondary: #333333;
    --marine-border-light: #666666;
    --marine-border-medium: #333333;
    --marine-border-dark: #000000;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  :root {
    --marine-transition-fast: 0s;
    --marine-transition-normal: 0s;
    --marine-transition-slow: 0s;
  }
}

/* Base Theme Styles */
.marine-theme {
  /* Typography */
  font-family: var(--marine-font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--marine-text-primary);
  background-color: var(--marine-bg-primary);
  
  /* Smooth scrolling */
  scroll-behavior: smooth;
  
  /* Better font rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Marine Blue Header */
.marine-header {
  background: var(--calculator-header-bg);
  color: white;
  padding: var(--marine-spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.marine-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.marine-header-content {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--marine-spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.marine-header h1 {
  color: white;
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.marine-header-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-top: var(--marine-spacing-sm);
  font-weight: 400;
}

/* Status Indicator */
.marine-status-indicator {
  display: flex;
  align-items: center;
  gap: var(--marine-spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--marine-spacing-sm) var(--marine-spacing-md);
  border-radius: var(--marine-radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.marine-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--marine-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
  100% { opacity: 1; transform: scale(1); }
}

.marine-status-text {
  color: white;
  font-weight: 500;
  font-size: 0.875rem;
}

/* Marine Calculator Container */
.marine-calculator {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--marine-spacing-xl);
  background: var(--marine-bg-secondary);
  min-height: 100vh;
}

/* Marine Panels */
.marine-panel {
  background: var(--calculator-panel-bg);
  border-radius: var(--marine-radius-lg);
  padding: var(--marine-spacing-xl);
  box-shadow: var(--calculator-shadow);
  border: 1px solid var(--calculator-panel-border);
  transition: all var(--marine-transition-normal);
  position: relative;
  overflow: hidden;
}

.marine-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--marine-gradient-accent);
  opacity: 0;
  transition: opacity var(--marine-transition-normal);
}

.marine-panel:hover::before {
  opacity: 1;
}

.marine-panel:hover {
  transform: translateY(-2px);
  box-shadow: var(--marine-shadow-dark);
}

/* Marine Panel Header */
.marine-panel-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--marine-spacing-xl);
  padding-bottom: var(--marine-spacing-lg);
  border-bottom: 2px solid var(--marine-border-light);
}

.marine-panel-icon {
  width: 24px;
  height: 24px;
  margin-right: var(--marine-spacing-md);
  color: var(--marine-accent);
  flex-shrink: 0;
}

.marine-panel-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--marine-primary);
  margin: 0;
  flex: 1;
}

/* Marine Input Groups */
.marine-input-group {
  margin-bottom: var(--marine-spacing-xl);
  position: relative;
}

.marine-input-label {
  display: block;
  font-weight: 500;
  color: var(--marine-text-primary);
  margin-bottom: var(--marine-spacing-sm);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.marine-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.marine-input-field {
  width: 100%;
  padding: var(--marine-spacing-md) var(--marine-spacing-lg);
  border: 2px solid var(--marine-border-light);
  border-radius: var(--marine-radius-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--marine-text-primary);
  background: var(--calculator-input-bg);
  transition: all var(--marine-transition-fast);
  font-family: var(--marine-font-mono);
}

.marine-input-field:focus {
  outline: none;
  border-color: var(--calculator-focus-border);
  box-shadow: var(--calculator-focus-shadow);
  background: var(--marine-bg-primary);
}

.marine-input-field:hover {
  border-color: var(--marine-accent);
}

.marine-input-unit {
  position: absolute;
  right: var(--marine-spacing-lg);
  color: var(--marine-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: none;
  background: var(--marine-bg-primary);
  padding: var(--marine-spacing-xs) var(--marine-spacing-sm);
  border-radius: var(--marine-radius-sm);
  border: 1px solid var(--marine-border-light);
}

/* Marine Select Fields */
.marine-select-field {
  width: 100%;
  padding: var(--marine-spacing-md) var(--marine-spacing-lg);
  border: 2px solid var(--marine-border-light);
  border-radius: var(--marine-radius-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--marine-text-primary);
  background: var(--calculator-input-bg);
  cursor: pointer;
  transition: all var(--marine-transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--marine-spacing-md) center;
  padding-right: var(--marine-spacing-xl);
}

.marine-select-field:focus {
  outline: none;
  border-color: var(--calculator-focus-border);
  box-shadow: var(--calculator-focus-shadow);
  background-color: var(--marine-bg-primary);
}

.marine-select-field:hover {
  border-color: var(--marine-accent);
}

/* Marine Range Sliders */
.marine-range-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--marine-radius-sm);
  background: var(--marine-border-light);
  outline: none;
  cursor: pointer;
  appearance: none;
  transition: all var(--marine-transition-fast);
}

.marine-range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--marine-accent);
  cursor: pointer;
  box-shadow: 0 2px 4px var(--marine-shadow-light);
  transition: all var(--marine-transition-fast);
  border: 2px solid white;
}

.marine-range-slider::-webkit-slider-thumb:hover {
  background: var(--marine-primary);
  transform: scale(1.1);
  box-shadow: 0 4px 8px var(--marine-shadow-medium);
}

.marine-range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--marine-accent);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 4px var(--marine-shadow-light);
}

.marine-range-value {
  display: inline-block;
  margin-left: var(--marine-spacing-md);
  padding: var(--marine-spacing-xs) var(--marine-spacing-md);
  background: var(--marine-accent);
  color: white;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  min-width: 60px;
  text-align: center;
  box-shadow: 0 2px 4px var(--marine-shadow-light);
}

/* Marine Results Display */
.marine-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--marine-spacing-lg);
  margin-bottom: var(--marine-spacing-md);
  background: var(--calculator-result-bg);
  border-radius: var(--marine-radius-md);
  border-left: 4px solid var(--marine-accent);
  transition: all var(--marine-transition-normal);
  position: relative;
}

.marine-result-item:hover {
  background: var(--marine-bg-primary);
  transform: translateX(4px);
  box-shadow: var(--marine-shadow-light);
}

.marine-result-label {
  font-weight: 500;
  color: var(--marine-text-primary);
  font-size: 0.875rem;
  flex: 1;
}

.marine-result-value {
  font-weight: 700;
  color: var(--marine-primary);
  font-size: 1rem;
  font-family: var(--marine-font-mono);
  text-align: right;
  flex-shrink: 0;
}

.marine-result-unit {
  font-size: 0.75rem;
  color: var(--marine-text-muted);
  margin-left: var(--marine-spacing-xs);
  font-weight: 500;
}

/* Marine Status Indicators */
.marine-status-good {
  border-left-color: var(--calculator-status-good);
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.05) 0%, transparent 100%);
}

.marine-status-warning {
  border-left-color: var(--calculator-status-warning);
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.05) 0%, transparent 100%);
}

.marine-status-error {
  border-left-color: var(--calculator-status-error);
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.05) 0%, transparent 100%);
}

.marine-status-info {
  border-left-color: var(--calculator-status-info);
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.05) 0%, transparent 100%);
}

/* Marine Action Buttons */
.marine-action-button {
  background: var(--marine-gradient-primary);
  color: white;
  border: none;
  padding: var(--marine-spacing-md) var(--marine-spacing-xl);
  border-radius: var(--marine-radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--marine-transition-normal);
  box-shadow: 0 4px 6px var(--marine-shadow-light);
  position: relative;
  overflow: hidden;
}

.marine-action-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--marine-transition-normal);
}

.marine-action-button:hover::before {
  left: 100%;
}

.marine-action-button:hover {
  background: var(--marine-gradient-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px var(--marine-shadow-medium);
}

.marine-action-button:active {
  transform: translateY(0);
}

.marine-action-button.secondary {
  background: linear-gradient(135deg, var(--marine-gray-500) 0%, var(--marine-gray-600) 100%);
}

.marine-action-button.secondary:hover {
  background: linear-gradient(135deg, var(--marine-gray-600) 0%, var(--marine-gray-700) 100%);
}

.marine-action-button.success {
  background: linear-gradient(135deg, var(--marine-success) 0%, #059669 100%);
}

.marine-action-button.success:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

/* Marine Cards */
.marine-card {
  background: var(--calculator-panel-bg);
  border: 2px solid var(--marine-border-light);
  border-radius: var(--marine-radius-lg);
  padding: var(--marine-spacing-xl);
  margin-bottom: var(--marine-spacing-lg);
  cursor: pointer;
  transition: all var(--marine-transition-normal);
  position: relative;
  overflow: hidden;
}

.marine-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--marine-accent);
  transform: scaleY(0);
  transition: transform var(--marine-transition-normal);
  transform-origin: top;
}

.marine-card:hover::before {
  transform: scaleY(1);
}

.marine-card:hover {
  border-color: var(--marine-accent);
  box-shadow: 0 4px 12px var(--marine-shadow-light);
  transform: translateY(-2px);
}

.marine-card.selected {
  border-color: var(--marine-accent);
  background: var(--marine-light);
  box-shadow: 0 4px 12px var(--marine-shadow-medium);
}

.marine-card.selected::before {
  transform: scaleY(1);
}

/* Marine Specifications */
.marine-spec-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: var(--marine-spacing-sm);
  padding: var(--marine-spacing-xs) 0;
  border-bottom: 1px solid var(--marine-border-light);
}

.marine-spec-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.marine-spec-label {
  color: var(--marine-text-muted);
  font-weight: 500;
}

.marine-spec-value {
  font-weight: 600;
  color: var(--marine-text-primary);
  font-family: var(--marine-font-mono);
}

/* Marine Charts */
.marine-chart-container {
  background: var(--calculator-panel-bg);
  border-radius: var(--marine-radius-lg);
  padding: var(--marine-spacing-xl);
  margin-bottom: var(--marine-spacing-xl);
  box-shadow: var(--calculator-shadow);
  border: 1px solid var(--calculator-panel-border);
}

.marine-chart-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--marine-primary);
  margin-bottom: var(--marine-spacing-xl);
  text-align: center;
  position: relative;
}

.marine-chart-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--marine-gradient-accent);
  border-radius: 2px;
}

/* Marine System Diagram */
.marine-system-diagram {
  background: var(--calculator-panel-bg);
  border-radius: var(--marine-radius-lg);
  padding: var(--marine-spacing-xl);
  margin-bottom: var(--marine-spacing-xl);
  box-shadow: var(--calculator-shadow);
  border: 1px solid var(--calculator-panel-border);
}

/* Marine Loading States */
.marine-loading {
  position: relative;
  overflow: hidden;
}

.marine-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.2), transparent);
  animation: marine-loading 1.5s infinite;
}

@keyframes marine-loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Marine Error States */
.marine-error-message {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
  color: var(--marine-error);
  padding: var(--marine-spacing-md);
  border-radius: var(--marine-radius-md);
  margin-bottom: var(--marine-spacing-lg);
  border-left: 4px solid var(--marine-error);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Marine Success States */
.marine-success-message {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
  color: var(--marine-success);
  padding: var(--marine-spacing-md);
  border-radius: var(--marine-radius-md);
  margin-bottom: var(--marine-spacing-lg);
  border-left: 4px solid var(--marine-success);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Marine Tooltips */
.marine-tooltip {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted var(--marine-text-muted);
}

.marine-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--marine-primary);
  color: white;
  padding: var(--marine-spacing-xs) var(--marine-spacing-sm);
  border-radius: var(--marine-radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--marine-transition-normal);
  z-index: 1000;
  box-shadow: var(--marine-shadow-dark);
}

.marine-tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Marine Grid System */
.marine-grid {
  display: grid;
  gap: var(--marine-spacing-xl);
}

.marine-grid-2 { grid-template-columns: repeat(2, 1fr); }
.marine-grid-3 { grid-template-columns: repeat(3, 1fr); }
.marine-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .marine-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .marine-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .marine-grid-2,
  .marine-grid-3,
  .marine-grid-4 { grid-template-columns: 1fr; }
}

/* Marine Responsive Design */
@media (max-width: 768px) {
  .marine-calculator {
    padding: var(--marine-spacing-lg);
  }
  
  .marine-header-content {
    flex-direction: column;
    text-align: center;
    gap: var(--marine-spacing-lg);
  }
  
  .marine-header h1 {
    font-size: 2rem;
  }
  
  .marine-panel {
    padding: var(--marine-spacing-lg);
  }
  
  .marine-action-button {
    width: 100%;
    margin-bottom: var(--marine-spacing-md);
  }
}

@media (max-width: 480px) {
  .marine-calculator {
    padding: var(--marine-spacing-md);
  }
  
  .marine-panel {
    padding: var(--marine-spacing-md);
  }
  
  .marine-header h1 {
    font-size: 1.75rem;
  }
  
  .marine-panel-title {
    font-size: 1.25rem;
  }
}

/* Print Styles */
@media print {
  .marine-header,
  .marine-action-button,
  .marine-export-section {
    display: none !important;
  }
  
  .marine-panel {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid var(--marine-border-light) !important;
    page-break-inside: avoid;
  }
  
  .marine-calculator {
    background: white !important;
    padding: 0 !important;
  }
  
  .marine-panel {
    background: white !important;
  }
}

/* Animation Classes */
.marine-fade-in {
  animation: marine-fade-in var(--marine-transition-normal) ease-out;
}

@keyframes marine-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.marine-slide-in {
  animation: marine-slide-in var(--marine-transition-normal) ease-out;
}

@keyframes marine-slide-in {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Accessibility Improvements */
.marine-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.marine-focus-visible:focus-visible {
  outline: 2px solid var(--marine-accent);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .marine-input-field,
  .marine-select-field {
    border-width: 3px;
  }
  
  .marine-result-item {
    border-left-width: 6px;
  }
  
  .marine-action-button {
    border: 2px solid currentColor;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .marine-panel:hover {
    transform: none;
  }
  
  .marine-card:hover {
    transform: none;
  }
  
  .marine-action-button:hover {
    transform: none;
  }
}