:root {
    --primary-color: #D9534F;
    --primary-hover: #C9302C;
    --background-gradient: #FFEAE3;
    --text-color: #1F2937;
    --text-light: #555;
    
    --success-text: #B91C1C;
    --success-color: #D9534F;
    --success-bg: rgba(217, 83, 79, 0.15);
    --success-border: rgba(217, 83, 79, 0.4);

    --glass-bg-color: rgba(255, 255, 255, 0.3);
    --glass-border-color: rgba(255, 255, 255, 0.7);
    --glass-shadow: 
      inset 0 0 0 1px var(--glass-border-color),
      inset 0 1px 1px rgba(255, 255, 255, 0.8),
      0 2px 4px rgba(0,0,0,0.04),
      0 15px 40px -10px rgba(0, 0, 0, 0.2);
    --glass-blur: 16px;
    --glass-radius: 18px; 
    --glass-noise-opacity: 0.02;

    --danger-color: #DC2626;
    --danger-hover: #B91C1C;
    --danger-bg: rgba(220, 38, 38, 0.1);
    --danger-bg-active: rgba(220, 38, 38, 0.2);
    --error-bg: rgba(254, 226, 226, 0.8);
    --error-text: #991B1B;
    --error-border: rgba(239, 68, 68, 0.3);
    --warning-bg: rgba(254, 243, 199, 0.8);
    --warning-text: #9A3412;
    --toast-progress-bar-bg: rgba(255, 255, 255, 0.5);
    --element-border-color: rgba(0, 0, 0, 0.1);
    --secondary-bg: rgba(255, 255, 255, 0.5);
    --secondary-border-color: rgba(0, 0, 0, 0.15);
    --cave-shadow-color: rgba(0, 0, 0, 0.2);
    --checker-glow-color: rgba(217, 83, 79, 0.4);
    --chart-color-1: #E63946;
    --chart-color-2: #457B9D;
    --chart-color-3: #FCA311;
    --chart-color-4: #1D3557;
    
    --animation-speed-fast: 250ms;
    --animation-speed-normal: 400ms;
    --animation-speed-slow: 600ms;
    --animation-curve-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --animation-curve-bouncy: cubic-bezier(0.34, 1.8, 0.58, 1);
  }

  body[data-theme="dark"] {
    --primary-color: #F9A826;
    --primary-hover: #FBBF24;
    --background-gradient: #0D0D0D;
    --text-color: #E5E7EB;
    --text-light: #B0B6BF;
    
    --success-bg: rgba(249, 168, 38, 0.15);
    --success-border: rgba(249, 168, 38, 0.4);
    --success-text: #FBBF24;

    --warning-bg: rgba(55, 48, 34, 0.8);
    --warning-text: #FBBF24;
    --toast-progress-bar-bg: rgba(0, 0, 0, 0.3);
    --danger-color: #F87171;
    --danger-hover: #EF4444;
    --danger-bg: rgba(248, 113, 113, 0.1);
    --danger-bg-active: rgba(248, 113, 113, 0.2);

    --glass-bg-color: rgba(31, 41, 55, 0.4);
    --glass-border-color: rgba(255, 255, 255, 0.3);
    --glass-shadow: 
      inset 0 0 0 1px var(--glass-border-color),
      inset 0 1px 1px rgba(255, 255, 255, 0.1),
      0 2px 4px rgba(0,0,0,0.2),
      0 15px 50px -10px rgba(0, 0, 0, 0.4);
    --glass-noise-opacity: 0.03;

    --element-border-color: rgba(255, 255, 255, 0.1);
    --secondary-bg: rgba(75, 85, 99, 0.5);
    --secondary-border-color: rgba(255, 255, 255, 0.15);
    --error-border: rgba(248, 113, 113, 0.3);

    --cave-shadow-color: rgba(0, 0, 0, 0.6);
    --checker-glow-color: rgba(249, 168, 38, 0.35);
    --chart-color-1: #F9C80E;
    --chart-color-2: #57A773;
    --chart-color-3: #4A6FA5;
    --chart-color-4: #EE6352;
  }
  
  /* NEW BINARY RAIN CSS */
  #binary-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
    pointer-events: none;
  }

  #page-transition-effect {
    position: fixed;
    background-color: var(--primary-color);
    border-radius: 6px;
    transform: scale(1);
    z-index: 9998;
    pointer-events: none;
    opacity: 0;
    transition: transform 0.6s var(--animation-curve-smooth), 
                border-radius 0.6s var(--animation-curve-smooth),
                opacity 0.4s ease-in-out;
  }

  #page-transition-effect.animate-expand {
    opacity: 1;
    transform: scale(150);
    border-radius: 0;
  }

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

  @keyframes pop-in {
    from {
      opacity: 0;
      transform: scale(0.95);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }

  @keyframes fade-slide-up {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  @keyframes pop-icon-check {
    0% { transform: scale(0.8); }
    80% { transform: scale(1.2); }
    100% { transform: scale(1.1); }
  }

  .animate-pop-in {
    animation: pop-in 350ms cubic-bezier(0, 0, 0.2, 1) forwards;
  }

  .animate-fade-slide-up {
    animation: fade-slide-up var(--animation-speed-normal) var(--animation-curve-bouncy) forwards;
  }

  .smooth-transition {
    transition: all var(--animation-speed-fast) var(--animation-curve-bouncy);
  }
  
  input[type="checkbox"], input[type="radio"] {
    transition: all var(--animation-speed-fast) var(--animation-curve-bouncy);
  }

  html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    margin: 0;
  }

  body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--background-gradient);
    background-attachment: fixed;
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s, color 0.3s;
  }

  .main-content-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
  }

  .container {
    max-width: 1200px;
    width: 100%;
    margin: 0;
    background: transparent; 
    box-shadow: none;
    border: none;
    border-radius: 16px;
    transition: border-color 0.3s;
    height: 88vh;
    max-height: 90vh;
    display: grid; 
    grid-template-rows: auto 1fr auto; 
    padding: 0;
    position: relative;
    z-index: 1;
    will-change: transform, opacity;
  }

  .header { 
    text-align: center; 
    border-bottom: 1px solid var(--element-border-color); 
    margin-bottom: 0;
    padding: 1rem 3rem 0.75rem;
    position: relative;
    z-index: 5;
  }
  
  .header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-hover));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
  }

  body[data-theme="dark"] .header h2 {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    color: var(--primary-color);
    text-shadow: 1px 1px 5px rgba(255, 255, 255, 0.1); 
  }

  .navigation-buttons { 
    margin-top: 0;
    display: flex; 
    justify-content: flex-end; 
    align-items: center;
    padding: 1rem 3rem;
    border-top: 1px solid var(--element-border-color);
    position: relative;
    z-index: 5;
    background: var(--surface-color);
  }
  
  #prev-btn {
    margin-right: auto;
  }
  
  .loader-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  #loader-text {
    font-weight: 500;
    color: var(--text-light);
  }

  button, .button { 
    padding: 0.75rem 1.5rem; 
    border: none; 
    border-radius: 6px; 
    cursor: pointer; 
    font-size: 1rem; 
    font-weight: 600; 
    transition: all var(--animation-speed-fast) var(--animation-curve-bouncy);
    text-decoration: none; 
    display: inline-block; 
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  }
  button:hover, .button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  
  button:active, .button:active { 
    transform: scale(0.98) translateY(0px); 
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
  }

  button.primary { background-color: var(--primary-color); color: white; }
  button.primary:hover { background-color: var(--primary-hover); }
  
  button.secondary, .button.secondary { 
    background-color: var(--secondary-bg); 
    color: var(--text-color);
    border: 1px solid var(--secondary-border-color);
  }
  button.secondary:hover, .button.secondary:hover { 
    background-color: rgba(255, 255, 255, 0.7); 
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  body[data-theme="dark"] button.secondary, body[data-theme="dark"] .button.secondary { 
    background-color: var(--secondary-bg); 
    color: var(--text-color); 
  }
  body[data-theme="dark"] button.secondary:hover, body[data-theme="dark"] .button.secondary:hover { 
    background-color: rgba(75, 85, 99, 0.8); 
  }
  button.secondary:active, .button.secondary:active {
    transform: scale(0.98) translateY(0px); 
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
  }

  button:disabled { background-color: #ccc; cursor: not-allowed; opacity: 0.7; transform: none; box-shadow: none; }

  .button.danger { background-color: var(--danger-color); color: white; }
  .button.danger:hover { background-color: var(--danger-hover); }
  body[data-theme="dark"] .button.danger { color: #1F2937; }

  .loader { 
    border: 4px solid #e9ecef;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    animation: spin 1s linear infinite;
  }
  @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

  .modal-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 100; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    
    background-color: transparent;
    transition: background-color 0.3s ease-in-out;
    
    visibility: hidden;
    will-change: background-color;
  }

  .modal-overlay.visible {
    background-color: transparent;
    visibility: visible;
  }
  
  .modal-box { 
    padding: 2rem; 
    width: 90%; 
    max-width: 450px; 
    transform: scale(0.95); 
    opacity: 0;
    transition: transform var(--animation-speed-normal) var(--animation-curve-bouncy), opacity var(--animation-speed-fast);
    will-change: transform, opacity;
  }

  .modal-overlay.visible .modal-box { 
    transform: scale(1); 
    opacity: 1;
  }
  
  .modal-overlay:not(.visible) .modal-box {
    transform: scale(0.95);
    opacity: 0;
  }

  .modal-box h3 { margin-top: 0; color: var(--primary-color); }
  .modal-box p { margin: 0 0 1.5rem 0; line-height: 1.6; }
  .modal-actions { display: flex; justify-content: flex-end; gap: 0.75rem; }

  #toast-container {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .toast {
    background: var(--glass-bg-color);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-color);
    color: var(--text-color);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    opacity: 0;
    overflow: hidden;
    position: relative;
  }
  .toast.show { 
    animation: pop-in 0.6s var(--animation-curve-bouncy) forwards;
  }
  .toast.success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
  }
  .toast.error {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
  }
  .toast .toast-progress-bar { position: absolute; bottom: 0; left: 0; height: 4px; background-color: var(--toast-progress-bar-bg); width: 100%; }
  @keyframes shrink { from { width: 100%; } to { width: 0%; } }

  .theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-bg);
    border: 1px solid var(--secondary-border-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: all 0.2s var(--animation-curve-bouncy);
    width: 28px;
    height: 28px;
    overflow: hidden;
    z-index: 11;
  }
  .theme-toggle:hover {
    transform: scale(1.05);
    background-color: rgba(255, 255, 255, 0.7);
  }
  body[data-theme="dark"] .theme-toggle:hover {
    background-color: rgba(75, 85, 99, 0.8);
  }
  
  .skeleton-line { 
    background-color: #e9ecef; 
    border-radius: 4px;
  }
  body[data-theme="dark"] .skeleton-line { 
    background-color: #4B5563; 
  }

  .glass-effect-card {
    position: relative;
    overflow: hidden;
    background: var(--glass-bg-color);
    backdrop-filter: blur(var(--glass-blur)) url(#liquid-glass-filter);
    -webkit-backdrop-filter: blur(var(--glass-blur)) url(#liquid-glass-filter);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border-color);
  }

  .glass-effect-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3e%3cfilter id='noise'%3e%3cfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3e%3c/filter%3e%3crect width='100%25' height='100%25' filter='url(%23noise)'/%3e%3c/svg%3e");
    opacity: var(--glass-noise-opacity);
    pointer-events: none;
    z-index: -1;
  }

  .tooltip-content, #chartjs-tooltip {
    background: var(--glass-bg-color);
    backdrop-filter: blur(var(--glass-blur)) url(#liquid-glass-filter);
    -webkit-backdrop-filter: blur(var(--glass-blur)) url(#liquid-glass-filter);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border-color);
    overflow: hidden;
    position: relative;

    color: var(--text-color);
    padding: 1rem;
    transition: opacity 0.2s ease-out, transform 0.2s var(--animation-curve-bouncy);
    pointer-events: none;
    z-index: 101;
  }

  .tooltip-content::before, #chartjs-tooltip::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3e%3cfilter id='noise'%3e%3cfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3e%3c/filter%3e%3crect width='100%25' height='100%25' filter='url(%23noise)'/%3e%3c/svg%3e");
    opacity: var(--glass-noise-opacity);
    pointer-events: none;
    z-index: -1;
  }

  .tooltip-content {
    visibility: hidden;
    width: 250px;
    text-align: left;
    position: fixed;
    opacity: 0;
    transform: translateY(5px);
  }

  .tooltip-content.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
  .tooltip-content strong { font-weight: 600; color: var(--primary-color); }
  .tooltip-content em { color: var(--text-light); }

  #chartjs-tooltip {
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    position: absolute;
    opacity: 0;
  }
  #chartjs-tooltip table {
    margin: 0;
    border-collapse: collapse;
  }
  #chartjs-tooltip th, #chartjs-tooltip td {
    padding: 2px 4px;
    text-align: left;
  }
  #chartjs-tooltip .tooltip-color-box {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    margin-right: 8px;
  }

  ::-webkit-scrollbar {
    width: 10px;
  }

  ::-webkit-scrollbar-track {
    background: transparent;
  }

  ::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: content-box;
  }

  ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.3);
  }

  body[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
  }

  body[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.3);
  }

  .theme-toggle .material-symbols-outlined {
    transition: transform 0.4s var(--animation-curve-bouncy), opacity 0.2s ease-in-out;
    position: absolute;
  }

  .theme-toggle .material-symbols-outlined.exiting {
    transform: rotate(90deg) scale(0.5);
    opacity: 0;
  }

  .header::after,
  .navigation-buttons::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 40px;
    z-index: 9;
    pointer-events: none;
  }

  .header::after {
    bottom: 0;
    transform: translateY(100%);
    background: linear-gradient(to bottom, var(--cave-shadow-color), transparent);
  }

  .navigation-buttons::before {
    top: 0;
    transform: translateY(-100%);
    background: linear-gradient(to top, var(--cave-shadow-color), transparent);
  }

  /* Company Finder & Tab Navigation Styles */
  .nav-tab-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--secondary-bg);
    border: 1px solid var(--secondary-border-color);
    border-radius: 20px;
    color: var(--text-color);
    cursor: pointer;
    transition: all var(--animation-speed-fast) var(--animation-curve-bouncy);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  }

  .nav-tab-btn:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }

  body[data-theme="dark"] .nav-tab-btn:hover {
    background: rgba(75, 85, 99, 0.8);
  }

  .nav-tab-btn.active {
    background: var(--primary-color);
    color: white !important;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--checker-glow-color);
  }

  body[data-theme="dark"] .nav-tab-btn.active {
    color: #1F2937 !important;
  }

  #finder-progress-log {
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.5);
  }

  .checkbox-label {
    display: flex;
    align-items: center;
    background: var(--secondary-bg);
    border: 1px solid var(--secondary-border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--animation-speed-fast) var(--animation-curve-smooth);
  }

  .checkbox-label:hover {
    background: rgba(255, 255, 255, 0.7);
    border-color: var(--primary-color);
  }

  body[data-theme="dark"] .checkbox-label:hover {
    background: rgba(75, 85, 99, 0.8);
  }