:root {
      /* Cal.com inspired - Light theme as default */
      --bg-primary: #F4F4F4;
      --bg-secondary: #FAFAFA;
      --bg-card: #FFFFFF;
      --bg-hover: #F0F0F0;
      --accent-teal: #111827;
      --accent-teal-dim: rgba(17, 24, 39, 0.08);
      --accent-purple: #111827;
      --accent-orange: #EA580C;
      --accent-pink: #DB2777;
      --accent-blue: #111827;
      --text-primary: #111827;
      --text-secondary: #4B5563;
      --text-muted: #6B7280;
      --border: #E5E5E5;
      --gradient-1: linear-gradient(135deg, #111827 0%, #374151 100%);
      --gradient-2: linear-gradient(135deg, #111827 0%, #4B5563 100%);
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    }

    [data-theme="dark"] {
      --bg-primary: #0F0F0F;
      --bg-secondary: #171717;
      --bg-card: #1C1C1C;
      --bg-hover: #262626;
      --accent-teal: #FFFFFF;
      --accent-teal-dim: rgba(255, 255, 255, 0.08);
      --accent-purple: #FFFFFF;
      --accent-orange: #FB923C;
      --accent-pink: #F472B6;
      --accent-blue: #FFFFFF;
      --text-primary: #FAFAFA;
      --text-secondary: #A1A1AA;
      --text-muted: #71717A;
      --border: #2A2A2A;
      --gradient-1: linear-gradient(135deg, #FFFFFF 0%, #A1A1AA 100%);
      --gradient-2: linear-gradient(135deg, #FFFFFF 0%, #71717A 100%);
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] {
      --bg-primary: #F4F4F4;
      --bg-secondary: #FAFAFA;
      --bg-card: #FFFFFF;
      --bg-hover: #F0F0F0;
      --accent-teal: #111827;
      --accent-teal-dim: rgba(17, 24, 39, 0.08);
      --accent-purple: #111827;
      --accent-orange: #EA580C;
      --accent-pink: #DB2777;
      --accent-blue: #111827;
      --text-primary: #111827;
      --text-secondary: #4B5563;
      --text-muted: #6B7280;
      --border: #E5E5E5;
      --gradient-1: linear-gradient(135deg, #111827 0%, #374151 100%);
      --gradient-2: linear-gradient(135deg, #111827 0%, #4B5563 100%);
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    }

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

    html {
      transition: background-color 0.3s ease, color 0.3s ease;
    }

    html.theme-transitioning,
    html.theme-transitioning *,
    html.theme-transitioning *::before,
    html.theme-transitioning *::after {
      transition: background-color 0.3s ease, 
                  color 0.3s ease, 
                  border-color 0.3s ease,
                  box-shadow 0.3s ease !important;
    }

    /* Font Variables */
    :root {
      --font-heading: 'Suisse Intl', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      --font-mono: 'Space Mono', monospace;
    }

    body {
      font-family: var(--font-body);
      background: var(--bg-primary);
      color: var(--text-primary);
      min-height: 100vh;
      line-height: 1.6;
    }

    .container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 2rem;
    }

    /* Readonly Banner for Builder View */
    .readonly-banner {
      background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
      color: white;
      text-align: center;
      padding: 0.75rem 1rem;
      font-size: 0.9rem;
      font-weight: 500;
      border-radius: 8px;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }

    .readonly-banner .readonly-icon {
      font-size: 1.1rem;
    }

    .readonly-banner strong {
      font-weight: 600;
    }

    .readonly-view .tab-separator {
      display: none;
    }

    /* Header */
    header {
      text-align: center;
      margin-bottom: 3rem;
      padding: 2rem 0;
    }

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

    .header-left {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    
    .header-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    
    .main-lang-switcher {
      box-shadow: none;
    }

    .logo {
      display: flex;
      align-items: center;
    }
    
    .logo .logo-img {
      height: 72px;
      max-width: 180px;
      width: auto;
    }

    .role-indicator {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .role-switch-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.35rem 0.75rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 100px;
      color: var(--text-secondary);
      font-family: var(--font-body);
      font-size: 0.75rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .role-switch-btn:hover {
      background: var(--accent-teal-dim);
      border-color: var(--accent-teal);
      color: var(--accent-teal);
      transform: scale(1.05);
    }

    .role-switch-btn .switch-icon {
      font-size: 0.9rem;
    }

    @media (max-width: 600px) {
      .header-left {
        flex-direction: column;
        gap: 0.75rem;
      }
    }

    h1 {
      font-family: var(--font-heading);
      font-size: clamp(1.75rem, 4vw, 2.5rem);
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: var(--text-primary);
      letter-spacing: -0.02em;
    }

    h2, h3, h4 {
      font-family: var(--font-heading);
      letter-spacing: -0.01em;
    }

    .subtitle {
      color: var(--text-secondary);
      font-size: 1rem;
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.6;
    }

    /* Tabs - Cal.com style */
    .tabs {
      display: flex;
      gap: 0.25rem;
      justify-content: center;
      margin-bottom: 2rem;
      flex-wrap: wrap;
      background: var(--bg-card);
      padding: 0.25rem;
      border-radius: 10px;
      border: 1px solid var(--border);
      width: fit-content;
      margin-left: auto;
      margin-right: auto;
    }

    .tab {
      font-family: var(--font-body);
      padding: 0.6rem 1rem;
      background: transparent;
      border: none;
      border-radius: 8px;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.15s ease;
      font-size: 0.85rem;
      font-weight: 500;
    }

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

    .tab.active {
      background: var(--text-primary);
      color: var(--bg-card);
      box-shadow: var(--shadow-sm);
    }

    .tab-separator {
      width: 1px;
      background: var(--border);
      margin: 0.25rem 0.5rem;
      align-self: stretch;
    }

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

    .tab.tab-secondary:hover {
      color: var(--text-secondary);
    }

    .tab.tab-secondary.active {
      background: var(--accent-teal);
      color: white;
    }

    /* Cards - Cal.com style */
    .card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.5rem;
      margin-bottom: 1.5rem;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.2s ease, border-color 0.2s ease;
    }
    
    .card:hover {
      box-shadow: var(--shadow-md);
    }

    .card-header {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1.25rem;
    }

    .card-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      background: var(--bg-secondary);
    }

    .card-title {
      font-family: var(--font-heading);
      font-size: 1rem;
      font-weight: 600;
      letter-spacing: -0.01em;
    }

    /* Section Divider & Subsection Header */
    .section-divider {
      height: 1px;
      background: var(--border);
      margin: 1.5rem 0;
    }

    .subsection-header {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1rem;
      font-family: var(--font-heading);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-secondary);
    }

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

    /* Grid Layouts */
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 1.5rem;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
    }

    /* Calculator Layout */
    .calculator-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 1.5rem;
      align-items: start;
    }

    .calculator-inputs {
      position: sticky;
      top: 1rem;
    }

    .calculator-results {
      position: sticky;
      top: 1rem;
    }

    .personal-package-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
    }

    .card-subtitle {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
      padding-bottom: 1rem;
      border-bottom: 1px dashed var(--border);
    }

    .range-value-display {
      text-align: center;
      font-family: var(--font-mono);
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--accent-teal);
      margin-top: 0.5rem;
      padding: 0.5rem;
      background: var(--accent-teal-dim);
      border-radius: 8px;
    }

    /* Live Results Section - Cal.com style */
    .live-results {
      margin-top: 1.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border);
      background: var(--bg-secondary);
      border-radius: 10px;
      padding: 1.25rem;
      margin-left: -1.5rem;
      margin-right: -1.5rem;
      margin-bottom: -1.5rem;
    }

    .live-results-header {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 600;
      font-size: 0.8rem;
      color: var(--text-primary);
      margin-bottom: 1rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    /* Risk Badge Container */
    .risk-badge-container {
      position: relative;
      margin-left: auto;
    }

    .auto-risk-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.35rem 0.65rem;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      cursor: pointer;
      transition: opacity 0.15s ease;
    }

    .auto-risk-badge:hover {
      opacity: 0.85;
    }

    .auto-risk-badge.risk-high {
      background: #FEE2E2;
      color: #DC2626;
      border: none;
      box-shadow: none;
    }
    
    [data-theme="dark"] .auto-risk-badge.risk-high {
      background: rgba(239, 68, 68, 0.15);
      color: #F87171;
    }

    .auto-risk-badge.risk-medium {
      background: #FEF3C7;
      color: #D97706;
      border: none;
      box-shadow: none;
    }
    
    [data-theme="dark"] .auto-risk-badge.risk-medium {
      background: rgba(245, 158, 11, 0.15);
      color: #FBBF24;
    }

    .auto-risk-badge.risk-low {
      background: #DCFCE7;
      color: #16A34A;
      border: none;
      box-shadow: none;
    }
    
    [data-theme="dark"] .auto-risk-badge.risk-low {
      background: rgba(34, 197, 94, 0.15);
      color: #4ADE80;
    }

    /* Risk Tooltip */
    .risk-tooltip {
      position: absolute;
      bottom: calc(100% + 15px);
      right: 0;
      width: 300px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.25rem;
      box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: all 0.25s ease;
      z-index: 200;
    }

    .risk-badge-container:hover .risk-tooltip {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .risk-tooltip-arrow {
      position: absolute;
      bottom: -8px;
      right: 25px;
      width: 16px;
      height: 16px;
      background: var(--bg-card);
      border-right: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      transform: rotate(45deg);
    }

    .risk-tooltip-title {
      font-family: var(--font-heading);
      font-weight: 700;
      font-size: 0.9rem;
      color: var(--accent-teal);
      margin-bottom: 0.75rem;
    }

    .risk-tooltip-desc {
      font-size: 0.8rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 0.75rem;
    }

    .risk-tooltip-formula {
      background: var(--bg-secondary);
      padding: 0.6rem 0.8rem;
      border-radius: 8px;
      font-family: var(--font-mono);
      font-size: 0.7rem;
      color: var(--accent-purple);
      border-left: 3px solid var(--accent-purple);
    }

    [data-theme="light"] .risk-tooltip {
      box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
    }

    .risk-explanation {
      font-size: 0.7rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
      padding: 0.5rem 0.75rem;
      background: var(--bg-secondary);
      border-radius: 6px;
      border-left: 3px solid var(--accent-purple);
    }

    .live-indicator {
      width: 8px;
      height: 8px;
      background: var(--accent-purple);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.2); }
    }

    .live-results-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
    }

    .live-result-item {
      background: var(--bg-secondary);
      border-radius: 8px;
      padding: 0.875rem;
      text-align: center;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .live-result-item:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .live-result-label {
      font-size: 0.7rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 0.25rem;
    }

    .live-result-value {
      font-family: var(--font-mono);
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-primary);
    }

    .live-result-value.highlight {
      color: var(--accent-teal);
    }

    .live-results-summary {
      margin-top: 1rem;
      padding: 1rem;
      background: var(--text-primary);
      border-radius: 10px;
      text-align: center;
    }

    .summary-label {
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.8);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .summary-value {
      font-family: var(--font-mono);
      font-size: 1.75rem;
      font-weight: 700;
      color: white;
      margin: 0.25rem 0;
    }

    .summary-note {
      font-size: 0.7rem;
      color: rgba(255, 255, 255, 0.6);
    }
    
    /* Dark theme: dark background with white text */
    [data-theme="dark"] .live-results-summary {
      background: #1C1C1C;
      border: 1px solid #2A2A2A;
    }
    
    [data-theme="dark"] .summary-label {
      color: rgba(255, 255, 255, 0.7);
    }
    
    [data-theme="dark"] .summary-value {
      color: #FFFFFF;
    }
    
    [data-theme="dark"] .summary-note {
      color: rgba(255, 255, 255, 0.5);
    }

    @media (max-width: 900px) {
      .calculator-layout {
        grid-template-columns: 1fr;
      }
      
      .calculator-inputs,
      .calculator-results {
        position: static;
      }

      .live-results-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 500px) {
      .live-results-grid {
        grid-template-columns: 1fr;
      }
    }

    [data-theme="light"] .personal-package-card {
      background: linear-gradient(135deg, var(--bg-card) 0%, rgba(139, 92, 246, 0.03) 100%);
    }

    [data-theme="light"] .live-results {
      background: linear-gradient(180deg, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
    }

    [data-theme="light"] .live-result-item {
      background: var(--bg-secondary);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    [data-theme="light"] .range-value-display {
      background: var(--accent-teal-dim);
    }

    /* Form Elements */
    .form-row {
      display: flex;
      gap: 1.5rem;
    }

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

    .form-group {
      margin-bottom: 1.25rem;
    }

    .form-group:has(select) {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.5rem;
    }

    .form-group:has(select) .form-label {
      width: 100%;
      margin-bottom: 0.25rem;
    }

    .form-group:has(select) select {
      flex: 0 0 auto;
      width: auto;
      min-width: 80px;
    }

    .select-suffix {
      font-family: var(--font-body);
      font-size: 0.9rem;
      color: var(--text-secondary);
    }

    .form-label {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 0.5rem;
    }

    .info-icon {
      width: 16px;
      height: 16px;
      background: var(--accent-teal-dim);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      color: var(--accent-teal);
      cursor: help;
      position: relative;
    }

    .tooltip {
      position: absolute;
      bottom: calc(100% + 8px);
      left: 50%;
      transform: translateX(-50%);
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 0.75rem 1rem;
      font-size: 0.8rem;
      color: var(--text-primary);
      width: 280px;
      opacity: 0;
      visibility: hidden;
      transition: all 0.2s ease;
      z-index: 100;
      line-height: 1.5;
      box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    }

    .tooltip::after {
      content: '';
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border: 6px solid transparent;
      border-top-color: var(--border);
    }

    .info-icon:hover .tooltip {
      opacity: 1;
      visibility: visible;
    }

    /* Inputs - Cal.com style */
    input[type="number"], input[type="text"], input[type="url"], select, textarea {
      width: 100%;
      padding: 0.625rem 0.875rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      color: var(--text-primary);
      font-size: 0.875rem;
      font-family: var(--font-body);
      transition: border-color 0.15s, box-shadow 0.15s;
    }

    textarea {
      resize: vertical;
      min-height: 80px;
      line-height: 1.5;
    }

    .optional-label {
      font-size: 0.75rem;
      color: var(--text-muted);
      font-weight: 400;
      margin-left: 0.25rem;
    }

    /* Logo Upload Area */
    .logo-upload-area {
      border: 2px dashed var(--border);
      border-radius: 6px;
      padding: 1.5rem;
      text-align: center;
      cursor: pointer;
      transition: all 0.2s ease;
      background: var(--bg-secondary);
    }

    .logo-upload-area:hover {
      border-color: var(--accent-teal);
      background: var(--accent-teal-dim);
    }

    .logo-upload-placeholder {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
    }

    .logo-upload-icon {
      font-size: 2rem;
      opacity: 0.6;
    }

    .logo-upload-text {
      color: var(--text-secondary);
      font-size: 0.875rem;
      font-weight: 500;
    }

    .logo-upload-hint {
      color: var(--text-muted);
      font-size: 0.75rem;
    }

    .logo-preview {
      position: relative;
      display: inline-block;
    }

    .logo-preview img {
      max-width: 120px;
      max-height: 120px;
      border-radius: 6px;
      object-fit: cover;
    }

    .logo-remove-btn {
      position: absolute;
      top: -8px;
      right: -8px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: #DC2626;
      color: white;
      border: none;
      font-size: 16px;
      line-height: 1;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s;
    }

    .logo-remove-btn:hover {
      background: #B91C1C;
    }

    .logo-error {
      color: #DC2626;
      font-size: 0.75rem;
      margin-top: 0.5rem;
    }

    input[type="text"][inputmode="numeric"] {
      text-align: right;
      font-family: var(--font-mono);
    }

    input:focus, select:focus {
      outline: none;
      border-color: var(--text-primary);
      box-shadow: 0 0 0 1px var(--text-primary);
    }

    input[type="range"] {
      width: 100%;
      height: 4px;
      -webkit-appearance: none;
      background: var(--border);
      border-radius: 2px;
      margin: 0.5rem 0;
    }

    input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 16px;
      height: 16px;
      background: var(--text-primary);
      border-radius: 50%;
      cursor: pointer;
      transition: transform 0.15s;
      box-shadow: var(--shadow-md);
    }

    input[type="range"]::-webkit-slider-thumb:hover {
      transform: scale(1.15);
    }

    input[type="range"]::-moz-range-thumb {
      width: 16px;
      height: 16px;
      background: var(--text-primary);
      border-radius: 50%;
      cursor: pointer;
      border: none;
      transition: transform 0.15s;
      box-shadow: var(--shadow-md);
    }

    input[type="range"]::-moz-range-thumb:hover {
      transform: scale(1.15);
    }

    input[type="range"]::-moz-range-track {
      background: var(--border);
      border-radius: 2px;
      height: 4px;
    }

    .range-labels {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 0.25rem;
    }

    .slider-value {
      font-weight: 600;
      color: var(--accent-teal);
      margin-left: 0.25rem;
    }

    /* Package Cards - Cal.com style */
    .package-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1rem;
    }

    .package-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 1.25rem;
      cursor: pointer;
      transition: all 0.15s ease;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .package-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--text-primary);
      opacity: 0;
      transition: opacity 0.15s;
    }

    .package-card:hover {
      border-color: var(--accent-teal);
      transform: translateY(-2px);
    }

    .package-card.selected {
      border-color: var(--accent-teal);
      background: var(--accent-teal-dim);
    }

    .package-card.selected::before {
      opacity: 1;
    }

    .package-name {
      font-family: var(--font-heading);
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .package-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }

    .package-stats {
      display: grid;
      gap: 0.5rem;
    }

    .package-stat {
      display: flex;
      justify-content: space-between;
      font-size: 0.875rem;
    }

    .package-stat-label {
      color: var(--text-secondary);
    }

    .package-stat-value {
      font-family: var(--font-mono);
      font-weight: 600;
    }

    .risk-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      padding: 0.25rem 0.5rem;
      border-radius: 6px;
      font-size: 0.7rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      margin-top: 0.75rem;
    }

    .risk-high { background: #FEE2E2; color: #DC2626; }
    .risk-medium { background: #FEF3C7; color: #D97706; }
    .risk-low { background: #DCFCE7; color: #16A34A; }
    
    [data-theme="dark"] .risk-high { background: rgba(239, 68, 68, 0.15); color: #F87171; }
    [data-theme="dark"] .risk-medium { background: rgba(245, 158, 11, 0.15); color: #FBBF24; }
    [data-theme="dark"] .risk-low { background: rgba(34, 197, 94, 0.15); color: #4ADE80; }

    /* Selected Package Header */
    .selected-package-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 1rem;
      flex-wrap: wrap;
    }

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

    .selected-package-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .selected-package-text {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }

    .selected-package-name {
      font-family: var(--font-heading);
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--accent-teal);
    }

    .selected-package-desc {
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    .selected-package-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.35rem 0.65rem;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      white-space: nowrap;
      border: none;
    }
    
    .selected-package-badge.risk-high {
      background: #FEE2E2;
      color: #DC2626;
    }
    
    .selected-package-badge.risk-medium {
      background: #FEF3C7;
      color: #D97706;
    }
    
    .selected-package-badge.risk-low {
      background: #DCFCE7;
      color: #16A34A;
    }
    
    [data-theme="dark"] .selected-package-badge.risk-high {
      background: rgba(239, 68, 68, 0.15);
      color: #F87171;
    }
    
    [data-theme="dark"] .selected-package-badge.risk-medium {
      background: rgba(245, 158, 11, 0.15);
      color: #FBBF24;
    }
    
    [data-theme="dark"] .selected-package-badge.risk-low {
      background: rgba(34, 197, 94, 0.15);
      color: #4ADE80;
    }

    .badge-icon {
      display: none;
    }

    .badge-text {
      font-family: var(--font-heading);
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }

    @media (max-width: 600px) {
      .selected-package-header {
        flex-direction: column;
        align-items: flex-start;
      }
      
      .selected-package-badge {
        margin-top: 0.5rem;
      }
    }

    /* Results Section */
    .results-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .result-card {
      background: var(--bg-secondary);
      border-radius: 12px;
      padding: 1.25rem;
      text-align: center;
    }

    .result-label {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .result-value {
      font-family: var(--font-mono);
      font-size: 1.5rem;
      font-weight: 700;
    }

    .result-value.teal { color: var(--accent-teal); }
    .result-value.purple { color: var(--accent-purple); }
    .result-value.orange { color: var(--accent-orange); }
    .result-value.pink { color: var(--accent-pink); }
    .result-value.blue { color: var(--accent-blue); }

    .result-subtext {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 0.25rem;
    }

    /* Vesting Chart */
    .vesting-chart {
      background: var(--bg-secondary);
      border-radius: 12px;
      padding: 1.5rem;
      margin-top: 1rem;
    }

    .chart-bar-container {
      display: flex;
      align-items: flex-end;
      gap: 4px;
      height: 160px;
      padding: 0 0.5rem;
    }

    .chart-bar-wrapper {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      height: 100%;
    }

    .chart-bar {
      width: 100%;
      max-width: 40px;
      background: var(--gradient-1);
      border-radius: 4px 4px 0 0;
      transition: height 0.5s ease;
      position: relative;
    }

    .chart-bar.cliff {
      background: var(--border);
    }

    .chart-label {
      font-size: 0.65rem;
      color: var(--text-muted);
      margin-top: 0.5rem;
      text-align: center;
    }

    .chart-value {
      font-size: 0.7rem;
      font-family: var(--font-mono);
      color: var(--text-secondary);
      margin-bottom: 0.25rem;
    }

    /* Glossary */
    .glossary-item {
      background: var(--bg-secondary);
      border-radius: 12px;
      padding: 1.25rem;
      margin-bottom: 1rem;
      border-left: 3px solid var(--accent-teal);
    }

    .glossary-term {
      font-family: var(--font-heading);
      font-weight: 600;
      font-size: 1rem;
      margin-bottom: 0.5rem;
      color: var(--accent-teal);
    }

    .glossary-def {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .glossary-example {
      margin-top: 0.75rem;
      padding: 0.75rem;
      background: var(--bg-card);
      border-radius: 8px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Scenario Comparison */
    .scenario-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 1rem;
    }

    .scenario-table th {
      text-align: left;
      padding: 1rem;
      background: var(--bg-secondary);
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--text-secondary);
      border-bottom: 1px solid var(--border);
    }

    .scenario-table td {
      padding: 1rem;
      border-bottom: 1px solid var(--border);
      font-family: var(--font-mono);
      font-size: 0.9rem;
    }

    .scenario-table tr:hover td {
      background: var(--bg-hover);
    }

    .highlight-cell {
      color: var(--accent-teal);
      font-weight: 600;
    }

    /* Section Headers */
    .section-header {
      margin-bottom: 1.5rem;
    }

    .section-title {
      font-family: var(--font-heading);
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .section-desc {
      color: var(--text-secondary);
      font-size: 0.9rem;
    }

    /* Tab Panels */
    .tab-panel {
      display: none;
      animation: fadeIn 0.3s ease;
    }

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

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Leaver Scenario */
    .leaver-toggle {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 1rem;
    }

    .leaver-btn {
      flex: 1;
      padding: 0.75rem;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.2s;
      font-size: 0.85rem;
    }

    .leaver-btn.active {
      background: var(--accent-teal-dim);
      border-color: var(--accent-teal);
      color: var(--accent-teal);
    }

    /* Tab Navigation */
    .tab-navigation {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.5rem 2rem;
      max-width: 1200px;
      margin: 0 auto;
      gap: 1rem;
    }

    .tab-nav-btn {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.875rem 1.5rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      color: var(--text-secondary);
      font-size: 0.9rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .tab-nav-btn:hover {
      border-color: var(--text-primary);
      color: var(--text-primary);
      transform: translateY(-1px);
    }

    .tab-nav-arrow {
      font-size: 1.1rem;
      font-weight: 600;
    }

    .tab-nav-prev {
      margin-right: auto;
    }

    .tab-nav-next {
      margin-left: auto;
    }

    [data-theme="light"] .tab-nav-btn {
      background: var(--bg-secondary);
    }

    [data-theme="light"] .tab-nav-btn:hover {
      background: var(--bg-card);
    }

    /* Footer */
    footer, .global-footer {
      text-align: center;
      padding: 2rem;
      color: var(--text-muted);
      font-size: 0.85rem;
      border-top: 1px solid var(--border);
      margin-top: 1rem;
    }
    
    .global-footer a {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.15s ease;
    }
    
    .global-footer a:hover {
      color: var(--accent-teal);
    }

    /* Responsive */
    @media (max-width: 768px) {
      .container {
        padding: 1rem;
      }
      
      .tooltip {
        width: 220px;
        font-size: 0.75rem;
      }
      
      .package-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Currency Section */
    .currency-section {
      margin-bottom: 0.5rem;
    }

    /* Currency Switcher */
    .currency-switcher {
      display: flex;
      justify-content: center;
      gap: 0.5rem;
      margin-bottom: 0.75rem;
    }

    .currency-btn {
      padding: 0.5rem 1.25rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text-secondary);
      font-family: var(--font-mono);
      font-size: 0.85rem;
      cursor: pointer;
      transition: all 0.2s ease;
    }

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

    .currency-btn.active {
      background: var(--text-primary);
      border-color: transparent;
      color: var(--bg-card);
      font-weight: 600;
    }
    
    [data-theme="dark"] .currency-btn.active {
      background: #FFFFFF;
      color: #111827;
    }

    /* Role Selection Header */
    .role-selection-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1rem 2rem;
      background: var(--bg-primary);
      z-index: 10000;
    }
    
    .role-selection-header .role-selection-logo {
      margin-bottom: 0;
    }
    
    .header-controls {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    
    .about-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.85rem;
      font-weight: 500;
      padding: 0.5rem 0.75rem;
      border-radius: 6px;
      transition: all 0.15s ease;
      white-space: nowrap;
    }
    
    .about-link:hover {
      color: var(--text-primary);
      background: var(--bg-hover);
    }
    
    @media (max-width: 640px) {
      .about-link {
        display: none;
      }
    }
    
    .header-login-btn {
      padding: 0.5rem 1.25rem;
      font-size: 0.85rem;
    }

    .language-switcher {
      display: flex;
      align-items: center;
      gap: 2px;
      background: var(--bg-secondary);
      padding: 3px;
      border-radius: 6px;
      border: 1px solid var(--border);
      height: 34px;
    }

    .lang-btn {
      padding: 0 8px;
      background: transparent;
      border: none;
      border-radius: 4px;
      color: var(--text-muted);
      font-size: 11px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.15s ease;
      text-transform: uppercase;
      height: 26px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .lang-btn.active {
      background: var(--text-primary);
      color: var(--bg-card);
    }
    
    [data-theme="dark"] .lang-btn.active {
      background: #FFFFFF;
      color: #111827;
    }

    .exchange-rate-info {
      text-align: center;
      margin-top: 0.75rem;
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .exchange-rate-info a {
      color: var(--accent-teal);
      text-decoration: none;
    }

    .exchange-rate-info a:hover {
      text-decoration: underline;
    }

    /* Rate Update Modal */
    .rate-modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      animation: fadeIn 0.2s ease;
    }

    .rate-modal {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 2rem;
      width: 90%;
      max-width: 400px;
      animation: slideUp 0.3s ease;
    }

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

    .rate-modal-btn {
      flex: 1;
      padding: 0.75rem 1rem;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      border: none;
    }

    .rate-modal-btn.primary {
      background: var(--text-primary);
      color: var(--bg-card);
    }

    .rate-modal-btn.primary:hover {
      opacity: 0.9;
      transform: translateY(-1px);
    }
    
    [data-theme="dark"] .rate-modal-btn.primary {
      background: #FFFFFF;
      color: #111827;
    }

    .rate-modal-btn.secondary {
      background: var(--bg-secondary);
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }

    .rate-modal-btn.secondary:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    .rate-modal-btn.fetch {
      background: rgba(245, 158, 11, 0.15);
      color: var(--accent-orange);
      border: 1px solid var(--accent-orange);
    }

    .rate-modal-btn.fetch:hover {
      background: rgba(245, 158, 11, 0.25);
    }

    .rate-modal-btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }

    /* Theme Toggle */
    .theme-toggle {
      display: flex;
      align-items: center;
    }

    .theme-toggle-btn {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      color: var(--text-primary);
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .theme-toggle-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    }

    .theme-toggle-btn .icon-sun,
    .theme-toggle-btn .icon-moon {
      position: absolute;
      transition: all 0.3s ease;
    }

    .theme-toggle-btn .icon-sun {
      opacity: 0;
      transform: rotate(-90deg) scale(0);
    }

    .theme-toggle-btn .icon-moon {
      opacity: 1;
      transform: rotate(0) scale(1);
    }

    [data-theme="light"] .theme-toggle-btn .icon-sun {
      opacity: 1;
      transform: rotate(0) scale(1);
    }

    [data-theme="light"] .theme-toggle-btn .icon-moon {
      opacity: 0;
      transform: rotate(90deg) scale(0);
    }

    /* Light mode specific adjustments */
    [data-theme="light"] .card {
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }

    [data-theme="light"] .package-card {
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    [data-theme="light"] .result-card {
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    }

    [data-theme="light"] .glossary-item {
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    [data-theme="light"] .tab.active {
      background: var(--text-primary);
      color: var(--bg-card);
    }
    
    [data-theme="dark"] .tab.active {
      background: #FFFFFF;
      color: #111827;
    }

    [data-theme="light"] h1 {
      color: var(--text-primary);
    }

    [data-theme="light"] .logo {
      color: var(--accent-teal);
    }

    [data-theme="light"] .theme-toggle-btn {
      background: var(--bg-secondary);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    [data-theme="light"] .rate-modal-overlay {
      background: rgba(0, 0, 0, 0.4);
    }

    [data-theme="light"] .rate-modal {
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] .currency-btn.active {
      background: var(--text-primary);
      color: var(--bg-card);
    }
    
    [data-theme="dark"] .currency-btn.active {
      background: #FFFFFF;
      color: #111827;
    }

    [data-theme="light"] input[type="range"] {
      background: #e2e8f0;
    }

    [data-theme="light"] input[type="range"]::-webkit-slider-thumb {
      background: var(--accent-teal);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] .range-labels span {
      color: var(--text-muted);
    }

    [data-theme="light"] .form-label {
      color: var(--text-secondary);
    }

    [data-theme="light"] .info-icon {
      background: var(--accent-teal-dim);
      color: var(--accent-teal);
    }

    [data-theme="light"] .tooltip {
      background: var(--bg-card);
      border-color: var(--border);
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    }

    [data-theme="light"] input[type="text"],
    [data-theme="light"] input[type="number"],
    [data-theme="light"] select {
      background: var(--bg-secondary);
      border-color: var(--border);
      color: var(--text-primary);
    }

    [data-theme="light"] .leaver-btn {
      background: var(--bg-secondary);
      border-color: var(--border);
      color: var(--text-secondary);
    }

    [data-theme="light"] .leaver-btn.active {
      background: var(--accent-teal-dim);
      border-color: var(--accent-teal);
      color: var(--accent-teal);
    }

    [data-theme="light"] .package-stat-label {
      color: var(--text-secondary);
    }

    [data-theme="light"] .result-label {
      color: var(--text-muted);
    }

    [data-theme="light"] .chart-label {
      color: var(--text-muted);
    }

    [data-theme="light"] .chart-value {
      color: var(--text-secondary);
    }

    [data-theme="light"] .chart-bar.cliff {
      background: #cbd5e1;
    }

    [data-theme="light"] .vesting-chart {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
    }

    [data-theme="light"] input[type="range"]::-moz-range-track {
      background: #e2e8f0;
    }

    [data-theme="light"] input[type="range"]::-moz-range-thumb {
      background: var(--accent-teal);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] .card-title {
      color: var(--text-primary);
    }

    [data-theme="light"] .section-title {
      color: var(--text-primary);
    }

    [data-theme="light"] .section-desc {
      color: var(--text-secondary);
    }

    [data-theme="light"] .package-desc {
      color: var(--text-muted);
    }

    [data-theme="light"] .subtitle {
      color: var(--text-secondary);
    }

    [data-theme="light"] .scenario-table th {
      background: #f1f5f9;
      color: var(--text-secondary);
    }

    [data-theme="light"] .scenario-table td {
      border-color: var(--border);
    }

    [data-theme="light"] .scenario-table tr:hover td {
      background: #f8fafc;
    }

    [data-theme="light"] .glossary-def {
      color: var(--text-secondary);
    }

    [data-theme="light"] .glossary-example {
      background: #f1f5f9;
      color: var(--text-muted);
    }

    [data-theme="light"] .result-subtext {
      color: var(--text-muted);
    }

    [data-theme="light"] .exchange-rate-info {
      color: var(--text-muted);
    }

    [data-theme="light"] footer {
      color: var(--text-muted);
      border-top-color: var(--border);
    }

    /* Custom Package Modal */
    .package-modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      animation: fadeIn 0.2s ease;
    }

    /* Onboarding Modal */
    .onboarding-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.85);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 2000;
      animation: fadeIn 0.3s ease;
    }

    .onboarding-modal {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 2.5rem;
      width: 90%;
      max-width: 600px;
      max-height: 85vh;
      overflow-y: auto;
      animation: slideUp 0.4s ease;
    }

    .onboarding-logo {
      text-align: center;
      margin-bottom: 1.5rem;
    }

    .onboarding-logo .logo-img {
      height: 100px;
      max-width: 250px;
      width: auto;
      margin: 0 auto;
    }
    
    .onboarding-logo .logo-light {
      display: none;
    }
    
    .onboarding-logo .logo-dark {
      display: block;
    }
    
    [data-theme="light"] .onboarding-logo .logo-light {
      display: block;
    }
    
    [data-theme="light"] .onboarding-logo .logo-dark {
      display: none;
    }

    .onboarding-title {
      font-family: var(--font-heading);
      font-size: 1.75rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 0.5rem;
      background: var(--gradient-1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .onboarding-subtitle {
      text-align: center;
      color: var(--text-muted);
      margin-bottom: 2rem;
      font-size: 0.95rem;
    }

    .onboarding-features {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin-bottom: 2rem;
    }

    .onboarding-feature {
      display: flex;
      gap: 1rem;
      padding: 1rem 0.75rem;
      background: transparent;
      border-radius: 0;
      border-left: 2px solid var(--border);
      margin-left: 1rem;
      position: relative;
      transition: border-color 0.2s ease;
    }
    
    .onboarding-feature:hover {
      border-left-color: var(--text-secondary);
    }

    .onboarding-feature-icon {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 10px;
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    .onboarding-feature-content h4 {
      font-family: var(--font-heading);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .onboarding-feature-content p {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .onboarding-cta {
      text-align: center;
    }

    .onboarding-btn {
      padding: 1rem 2.5rem;
      background: var(--text-primary);
      border: none;
      border-radius: 10px;
      color: var(--bg-card);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }

    .onboarding-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    
    [data-theme="dark"] .onboarding-btn {
      background: #FFFFFF;
      color: #111827;
    }

    .onboarding-skip {
      display: block;
      margin-top: 1rem;
      color: var(--text-muted);
      font-size: 0.8rem;
      cursor: pointer;
      transition: color 0.2s;
    }

    .onboarding-skip:hover {
      color: var(--text-primary);
    }

    .onboarding-checkbox {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      margin-top: 1rem;
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .onboarding-checkbox input {
      cursor: pointer;
    }

    [data-theme="light"] .onboarding-overlay {
      background: rgba(0, 0, 0, 0.6);
    }

    [data-theme="light"] .onboarding-modal {
      box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
    }

    /* Help Button */
    .help-btn {
      position: fixed;
      bottom: 24px;
      right: 24px;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--gradient-2);
      border: none;
      color: white;
      font-size: 1.25rem;
      cursor: pointer;
      box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
      z-index: 900;
      transition: all 0.2s;
    }

    .help-btn:hover {
      transform: scale(1.1);
      box-shadow: 0 6px 25px rgba(139, 92, 246, 0.5);
    }

    /* Social Share Section */
    .social-share-section {
      margin-top: 3rem;
      padding: 2rem;
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%);
      border: 1px solid var(--border);
      border-radius: 16px;
      text-align: center;
    }

    .social-share-title {
      font-family: var(--font-heading);
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 1.25rem;
    }

    .social-share-buttons {
      display: flex;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .social-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem 1.5rem;
      border-radius: 50px;
      font-family: var(--font-heading);
      font-size: 0.85rem;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .social-btn-linkedin {
      background: #0077b5;
      color: white;
    }

    .social-btn-linkedin:hover {
      background: #005c8f;
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(0, 119, 181, 0.4);
    }

    .social-btn-x {
      background: #000000;
      color: white;
    }

    .social-btn-x:hover {
      background: #333333;
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    }

    [data-theme="light"] .social-btn-x {
      background: #14171a;
    }

    .social-icon {
      width: 18px;
      height: 18px;
      fill: currentColor;
    }

    .package-modal {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 2rem;
      width: 90%;
      max-width: 500px;
      animation: slideUp 0.3s ease;
      max-height: 90vh;
      overflow-y: auto;
    }

    .package-modal h3 {
      font-family: var(--font-heading);
      margin-bottom: 0.5rem;
      color: var(--accent-teal);
    }

    .package-modal .modal-subtitle {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
    }

    .package-modal .form-group {
      margin-bottom: 1.25rem;
    }

    .package-modal .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }

    .modal-actions {
      display: flex;
      gap: 0.75rem;
      margin-top: 1.5rem;
    }

    .modal-btn {
      flex: 1;
      padding: 0.875rem 1.25rem;
      border-radius: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      border: none;
    }

    .modal-btn.primary {
      background: var(--text-primary);
      color: var(--bg-card);
    }

    .modal-btn.primary:hover {
      opacity: 0.9;
      transform: translateY(-1px);
    }
    
    [data-theme="dark"] .modal-btn.primary {
      background: #FFFFFF;
      color: #111827;
    }

    .modal-btn.secondary {
      background: var(--bg-secondary);
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }

    .modal-btn.secondary:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    .modal-btn.danger {
      background: rgba(239, 68, 68, 0.15);
      color: #f87171;
      border: 1px solid rgba(239, 68, 68, 0.3);
    }

    .modal-btn.danger:hover {
      background: rgba(239, 68, 68, 0.25);
    }

    /* Add Package Button */
    .add-package-card {
      background: var(--bg-secondary);
      border: 2px dashed var(--border);
      border-radius: 12px;
      padding: 2rem 1.25rem;
      cursor: pointer;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 200px;
      text-align: center;
    }

    .add-package-card:hover {
      border-color: var(--accent-teal);
      background: var(--accent-teal-dim);
    }

    .add-package-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--accent-teal-dim);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 0.75rem;
      transition: transform 0.2s;
    }

    .add-package-card:hover .add-package-icon {
      transform: scale(1.1);
    }

    .add-package-text {
      color: var(--text-secondary);
      font-size: 0.9rem;
    }

    /* Package Actions */
    .package-actions {
      display: flex;
      gap: 0.5rem;
      margin-top: 0.75rem;
      padding-top: 0.75rem;
      border-top: 1px solid var(--border);
    }

    .package-action-btn {
      flex: 1;
      padding: 0.5rem;
      background: var(--bg-primary);
      border: 1px solid var(--border);
      border-radius: 6px;
      color: var(--text-muted);
      font-size: 0.75rem;
      cursor: pointer;
      transition: all 0.2s;
    }

    .package-action-btn:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }

    .package-action-btn.delete:hover {
      background: rgba(239, 68, 68, 0.15);
      border-color: rgba(239, 68, 68, 0.3);
      color: #f87171;
    }

    .package-card.custom {
      border-style: dashed;
    }

    .package-card.custom .custom-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--accent-purple);
      color: white;
      font-size: 0.65rem;
      padding: 0.25rem 0.6rem;
      border-radius: 4px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
    }

    [data-theme="light"] .package-modal {
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] .add-package-card {
      background: var(--bg-secondary);
    }

    [data-theme="light"] .package-action-btn {
      background: var(--bg-secondary);
    }

    @media (max-width: 768px) {
      .theme-toggle {
        top: 1rem;
        right: 1rem;
      }
      
      .theme-toggle-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
      }
    }

    /* Role Selection Screen */
    .role-selection-screen {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--bg-primary);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      padding: 2rem;
      padding-top: 0;
    }

    .role-selection-screen.hidden {
      display: none;
    }

    .role-selection-logo {
      display: flex;
      align-items: center;
      margin-bottom: 0.5rem;
    }
    
    .logo-img {
      height: 80px;
      max-width: 200px;
      width: auto;
      object-fit: contain;
    }
    
    /* Theme-based logo switching - Dark is default (no data-theme attribute) */
    .logo-light {
      display: none;
    }
    
    .logo-dark {
      display: block;
    }
    
    [data-theme="light"] .logo-light {
      display: block;
    }
    
    [data-theme="light"] .logo-dark {
      display: none;
    }

    .role-selection-title {
      font-family: var(--font-heading);
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-top: 1rem;
      margin-bottom: 0.75rem;
      text-align: center;
    }

    .role-selection-subtitle {
      font-size: 1rem;
      color: var(--text-secondary);
      margin-bottom: 2.5rem;
      text-align: center;
      max-width: 400px;
    }

    /* Welcome Card (Single Founder Entry) */
    .welcome-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 3rem;
      max-width: 480px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }

    .welcome-icon {
      font-size: 4rem;
      margin-bottom: 1.5rem;
    }

    .welcome-title {
      font-family: var(--font-heading);
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 1rem;
    }

    .welcome-desc {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 2rem;
    }

    .welcome-start-btn {
      padding: 0.875rem 2rem;
      background: var(--text-primary);
      color: var(--bg-primary);
      border: none;
      border-radius: 6px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .welcome-start-btn:hover {
      opacity: 0.9;
      transform: translateY(-1px);
    }

    .role-cards {
      display: flex;
      gap: 1.5rem;
      flex-wrap: wrap;
      justify-content: center;
      max-width: 700px;
    }

    .role-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 2rem;
      width: 336px;
      cursor: pointer;
      transition: all 0.15s ease;
      text-align: left;
      box-shadow: var(--shadow-sm);
    }

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

    .role-card-icon {
      font-size: 3rem;
      margin-bottom: 1rem;
    }

    .role-card-title {
      font-family: var(--font-heading);
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .role-card-desc {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 1.25rem;
    }

    .role-card-features {
      text-align: left;
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .role-card-features li {
      margin-bottom: 0.4rem;
      padding-left: 0.25rem;
      list-style: none;
    }

    .role-card-features li::before {
      content: "•";
      color: var(--accent-teal);
      margin-right: 0.5rem;
    }

    /* Dev Mode Skip Button (only visible in preview) */
    .dev-mode-skip {
      margin-top: 2rem;
    }

    .dev-mode-skip.hidden {
      display: none;
    }

    .dev-skip-btn {
      padding: 0.75rem 1.5rem;
      background: rgba(245, 158, 11, 0.15);
      border: 1px dashed #F59E0B;
      border-radius: 6px;
      color: #F59E0B;
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }

    .dev-skip-btn:hover {
      background: rgba(245, 158, 11, 0.25);
    }

    /* Company Code Section */
    .company-code-section {
      display: flex;
      justify-content: center;
      width: 100%;
      max-width: 420px;
    }

    .company-code-section.hidden {
      display: none;
    }

    .company-code-card {
      background: var(--bg-card);
      border: 2px solid var(--border);
      border-radius: 16px;
      padding: 2rem;
      width: 100%;
      text-align: center;
      position: relative;
    }

    .back-btn {
      position: absolute;
      top: 1rem;
      left: 1rem;
      background: none;
      border: none;
      color: var(--text-secondary);
      font-size: 0.875rem;
      cursor: pointer;
      padding: 0.5rem;
      border-radius: 8px;
      transition: all 0.2s;
    }

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

    .company-code-icon {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      margin-top: 0.5rem;
    }

    .company-code-title {
      font-family: var(--font-heading);
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .company-code-desc {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 1.5rem;
      line-height: 1.5;
    }

    .company-code-input-group {
      margin-bottom: 1rem;
    }

    .company-code-input {
      width: 100%;
      padding: 0.875rem 1rem;
      background: var(--bg-secondary);
      border: 2px solid var(--border);
      border-radius: 10px;
      color: var(--text-primary);
      font-size: 1rem;
      font-family: var(--font-mono);
      text-align: center;
      transition: border-color 0.2s;
    }

    .company-code-input:focus {
      outline: none;
      border-color: var(--accent-teal);
    }

    .company-code-input::placeholder {
      color: var(--text-muted);
      font-family: var(--font-body);
      font-size: 0.9rem;
    }

    .company-code-btn {
      width: 100%;
      padding: 0.875rem 1.5rem;
      background: var(--accent-teal);
      border: none;
      border-radius: 10px;
      color: white;
      font-family: var(--font-heading);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }

    .company-code-btn:hover {
      background: #0d9488;
      transform: translateY(-2px);
    }

    .company-code-btn.secondary {
      background: transparent;
      border: 2px solid var(--border);
      color: var(--text-secondary);
    }
    
    [data-theme="dark"] .company-code-btn.secondary {
      background: var(--bg-card);
      border: 2px solid var(--border);
      color: #FFFFFF;
    }

    .company-code-btn.secondary:hover {
      border-color: var(--accent-teal);
      color: var(--accent-teal);
      background: var(--accent-teal-dim);
    }

    .company-code-divider {
      display: flex;
      align-items: center;
      margin: 1.25rem 0;
      color: var(--text-muted);
      font-size: 0.8rem;
    }

    .company-code-divider::before,
    .company-code-divider::after {
      content: "";
      flex: 1;
      height: 1px;
      background: var(--border);
    }

    .company-code-divider span {
      padding: 0 1rem;
    }

    .company-code-hint {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 0.5rem;
    }

    /* Role Dropdown in Header */
    .role-dropdown {
      position: relative;
    }
    
    .role-dropdown-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.4rem 0.7rem;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 6px;
      color: var(--text-secondary);
      font-size: 0.75rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.15s ease;
    }
    
    .role-dropdown-btn:hover {
      background: var(--bg-hover);
      border-color: var(--text-muted);
      color: var(--text-primary);
    }
    
    .role-dropdown-arrow {
      font-size: 0.65rem;
      opacity: 0.7;
      transition: transform 0.15s ease;
    }
    
    .role-dropdown.open .role-dropdown-arrow {
      transform: rotate(180deg);
    }
    
    .role-dropdown-menu {
      position: absolute;
      top: calc(100% + 4px);
      left: 0;
      min-width: 100%;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-4px);
      transition: all 0.15s ease;
      z-index: 1000;
      overflow: hidden;
    }
    
    .role-dropdown.open .role-dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    
    .role-dropdown-item {
      display: block;
      width: 100%;
      padding: 0.5rem 0.75rem;
      background: transparent;
      border: none;
      color: var(--text-secondary);
      font-size: 0.75rem;
      font-weight: 500;
      text-align: left;
      cursor: pointer;
      transition: all 0.15s ease;
      white-space: nowrap;
    }
    
    .role-dropdown-item:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }
    
    .role-dropdown-item.active {
      display: none;
    }
    
    [data-theme="dark"] .role-dropdown-menu {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    /* Builder Mode Restrictions */
    .builder-mode .founder-only,
    .builder-mode .founder-only-tab {
      display: none !important;
    }

    .builder-mode .readonly-in-builder {
      pointer-events: none;
      opacity: 0.6;
    }

    .builder-mode .readonly-in-builder input,
    .builder-mode .readonly-in-builder select {
      background: var(--bg-secondary);
      cursor: not-allowed;
    }

    .builder-mode .readonly-in-builder::after {
      content: "🔒";
      position: absolute;
      right: 10px;
      top: 50%;
      transform: translateY(-50%);
    }

    .locked-indicator {
      display: none;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 0.25rem;
    }

    .builder-mode .readonly-in-builder .locked-indicator {
      display: block;
    }
    
    /* Locked Info Box for Builder Mode */
    .locked-info-box {
      display: none;
      padding: 0.75rem 1rem;
      margin: 0.5rem 0 1rem 0;
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(251, 191, 36, 0.05) 100%);
      border: 1px solid rgba(245, 158, 11, 0.25);
      border-radius: 8px;
      font-size: 0.8rem;
      color: var(--text-secondary);
      line-height: 1.4;
    }
    
    .locked-info-box::before {
      content: "ℹ️ ";
    }
    
    .builder-mode .locked-info-box.builder-only {
      display: block;
    }

    /* Share Link Section */
    .share-link-section {
      margin-top: 1.5rem;
      padding: 1.25rem;
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%);
      border: 1px solid var(--border);
      border-radius: 12px;
    }

    .share-link-title {
      font-family: var(--font-heading);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .share-link-desc {
      font-size: 0.8rem;
      color: var(--text-secondary);
      margin-bottom: 1rem;
    }

    .share-tab-content {
      max-width: 100%;
      margin: 0;
    }

    .share-link-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.5rem;
    }

    .share-link-input-group {
      display: flex;
      gap: 0.5rem;
    }

    .share-link-input {
      flex: 1;
      padding: 0.6rem 0.75rem;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text-primary);
      font-size: 0.8rem;
      font-family: var(--font-mono);
    }

    .share-link-btn {
      padding: 0.6rem 1rem;
      background: var(--accent-teal);
      border: none;
      border-radius: 8px;
      color: white;
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      white-space: nowrap;
    }

    .share-link-btn:hover {
      background: #0d9488;
      transform: translateY(-1px);
    }

    .share-link-btn.copied {
      background: #22c55e;
    }

    [data-theme="dark"] .share-link-btn {
      background: #FFFFFF;
      color: #111827;
    }

    [data-theme="dark"] .share-link-btn:hover {
      background: #E5E7EB;
    }

    [data-theme="dark"] .share-link-btn.copied {
      background: #22c55e;
      color: white;
    }

    @media (max-width: 600px) {
      .role-cards {
        flex-direction: column;
      }
      
      .role-card {
        width: 100%;
        max-width: 336px;
      }
      
      .role-selection-title {
        font-size: 1.5rem;
      }
      
      .share-link-input-group {
        flex-direction: column;
      }
    }

    /* Header Right - Auth */
    .header-top {
      justify-content: space-between;
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .user-info {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .user-email {
      font-size: 0.8rem;
      color: var(--text-secondary);
      max-width: 150px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .auth-btn {
      padding: 0.5rem 1rem;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.15s ease;
      border: none;
    }

    .login-btn {
      background: var(--text-primary);
      color: var(--bg-card);
    }

    .login-btn:hover {
      opacity: 0.9;
      box-shadow: var(--shadow-md);
    }

    .logout-btn {
      background: var(--bg-card);
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }

    .logout-btn:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
      border-color: var(--text-muted);
    }

    /* Auth Modal */
    .auth-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(5px);
      z-index: 99999;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1rem;
    }

    .auth-modal {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 2.5rem;
      width: 100%;
      max-width: 400px;
      position: relative;
      animation: modalSlideIn 0.3s ease;
    }

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

    .auth-close-btn {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-muted);
      cursor: pointer;
      transition: color 0.2s;
    }

    .auth-close-btn:hover {
      color: var(--text-primary);
    }

    .auth-logo {
      text-align: center;
      margin-bottom: 1.5rem;
    }

    .auth-logo .logo-img {
      height: 100px;
      max-width: 250px;
      width: auto;
      margin: 0 auto;
    }
    
    .auth-logo .logo-light {
      display: none;
    }
    
    .auth-logo .logo-dark {
      display: block;
    }
    
    [data-theme="light"] .auth-logo .logo-light {
      display: block;
    }
    
    [data-theme="light"] .auth-logo .logo-dark {
      display: none;
    }

    .auth-title {
      font-family: var(--font-heading);
      font-size: 1.5rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 0.5rem;
      background: var(--gradient-1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .auth-subtitle {
      text-align: center;
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin-bottom: 2rem;
    }

    .auth-input-group {
      margin-bottom: 1rem;
    }

    .auth-input {
      width: 100%;
      padding: 1rem 1.25rem;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 12px;
      color: var(--text-primary);
      font-size: 1rem;
      transition: border-color 0.2s;
    }

    .auth-input:focus {
      outline: none;
      border-color: var(--accent-teal);
    }

    .auth-submit-btn {
      width: 100%;
      padding: 1rem;
      background: var(--text-primary);
      border: none;
      border-radius: 12px;
      color: var(--bg-card);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }

    .auth-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    
    [data-theme="dark"] .auth-submit-btn {
      background: #FFFFFF;
      color: #111827;
    }

    .auth-submit-btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      transform: none;
    }

    .auth-message {
      text-align: center;
      padding: 1.5rem;
    }

    .auth-message-icon {
      font-size: 3rem;
      margin-bottom: 1rem;
    }

    .auth-message-text {
      font-size: 1.1rem;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .auth-message-hint {
      font-size: 0.8rem;
      color: var(--text-muted);
      word-break: break-all;
    }

    .auth-loading {
      text-align: center;
      padding: 2rem;
    }

    .auth-spinner {
      width: 40px;
      height: 40px;
      border: 3px solid var(--border);
      border-top-color: var(--accent-teal);
      border-radius: 50%;
      margin: 0 auto 1rem;
      animation: spin 1s linear infinite;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    @media (max-width: 600px) {
      .header-top {
        flex-direction: column;
        gap: 1rem;
      }
      
      .header-right {
        justify-content: center;
      }
      
      .user-email {
        display: none;
      }
    }

    /* ===== ENHANCED MOBILE STYLES ===== */
    @media (max-width: 768px) {
      /* Base typography improvements */
      html {
        font-size: 15px;
      }
      
      body {
        line-height: 1.6;
      }
      
      /* Container padding */
      .container {
        padding: 0.75rem;
      }
      
      /* Header improvements */
      .header-left .logo img {
        height: 28px;
      }
      
      /* Tabs - horizontal scroll on mobile */
      .tabs {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 0.5rem;
        margin: 0 -0.75rem 1.5rem -0.75rem;
        gap: 0.35rem;
        background: var(--bg-card);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        border-radius: 0;
        width: auto;
        position: sticky;
        top: 0;
        z-index: 100;
      }
      
      .tabs::-webkit-scrollbar {
        display: none;
      }
      
      .tab {
        flex-shrink: 0;
        padding: 0.5rem 0.85rem;
        font-size: 0.75rem;
        white-space: nowrap;
        border-radius: 6px;
      }

      .tab-separator {
        width: 1px;
        margin: 0.35rem 0.25rem;
        flex-shrink: 0;
      }

      .tab.tab-secondary {
        font-size: 0.7rem;
      }
      
      .tab-btn {
        flex-shrink: 0;
        padding: 0.5rem 0.85rem;
        font-size: 0.75rem;
        white-space: nowrap;
      }
      
      /* Tab panel spacing */
      .tab-panel {
        margin-top: 0.5rem;
      }
      
      /* Form groups */
      .form-group {
        margin-bottom: 1rem;
      }
      
      .form-group label {
        font-size: 0.85rem;
        margin-bottom: 0.4rem;
      }
      
      input[type="number"],
      input[type="text"],
      input[type="email"],
      select {
        font-size: 16px !important; /* Prevents zoom on iOS */
        padding: 0.75rem;
      }
      
      /* Range inputs */
      .range-group {
        padding: 0.75rem;
      }
      
      .range-value-display {
        font-size: 0.9rem;
        padding: 0.4rem 0.75rem;
      }
      
      /* Calculator layout */
      .calculator-layout {
        gap: 1rem;
      }
      
      .calculator-inputs,
      .calculator-results {
        padding: 1rem;
      }
      
      /* Live results grid */
      .live-results-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
      }
      
      .live-result-item {
        padding: 0.75rem;
      }
      
      .live-result-value {
        font-size: 1.1rem;
      }
      
      .live-result-label {
        font-size: 0.7rem;
      }
      
      /* Section headers */
      .section-title {
        font-size: 1.1rem;
      }
      
      .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
      }
      
      /* Cards */
      .card {
        padding: 1rem;
      }
      
      .package-card {
        padding: 1rem;
      }
      
      .package-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
      }
      
      .package-name {
        font-size: 1rem;
      }
      
      /* Result cards */
      .result-card {
        padding: 1rem;
      }
      
      .result-value {
        font-size: 1.25rem;
      }
      
      .result-label {
        font-size: 0.7rem;
      }
      
      /* Buttons */
      .btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
      }
      
      .btn-sm {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
      }
      
      /* Currency switcher */
      .currency-switcher {
        flex-wrap: wrap;
        gap: 0.4rem;
      }
      
      .currency-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
      }
      
      /* Scenario cards */
      .scenario-card {
        padding: 1rem;
      }
      
      .scenario-header h4 {
        font-size: 0.95rem;
      }
      
      .scenario-value {
        font-size: 1.1rem;
      }
      
      /* Vesting chart */
      .vesting-chart {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
      }
      
      .vesting-bar-container {
        min-width: 500px;
      }
      
      /* Tables */
      .data-table {
        font-size: 0.8rem;
      }
      
      .data-table th,
      .data-table td {
        padding: 0.6rem 0.5rem;
      }
      
      /* Glossary */
      .glossary-item {
        padding: 1rem;
      }
      
      .glossary-term {
        font-size: 0.95rem;
      }
      
      .glossary-definition {
        font-size: 0.85rem;
      }
      
      /* Auth modal */
      .auth-modal {
        padding: 1.5rem;
        margin: 1rem;
        max-height: 90vh;
        overflow-y: auto;
      }
      
      .auth-title {
        font-size: 1.25rem;
      }
      
      /* Role selection */
      .role-selection-title {
        font-size: 1.35rem;
        padding: 0 1rem;
      }
      
      .role-selection-subtitle {
        font-size: 0.9rem;
        padding: 0 1rem;
      }
      
      .role-card {
        padding: 1.25rem;
      }
      
      .role-icon {
        font-size: 2rem;
      }
      
      .role-title {
        font-size: 1.1rem;
      }
      
      .role-description {
        font-size: 0.85rem;
      }
      
      /* Share section */
      .share-section {
        padding: 1rem;
      }
      
      .share-link-input-group {
        flex-direction: column;
      }
      
      .share-link-input-group input {
        font-size: 0.8rem;
      }
      
      /* Tooltips */
      .tooltip {
        width: 200px;
        font-size: 0.7rem;
        padding: 0.5rem;
      }
      
      /* Language & Theme switchers */
      .language-switcher select {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
      }
      
      .theme-toggle-btn {
        width: 36px;
        height: 36px;
      }
    }

    @media (max-width: 480px) {
      /* Extra small screens */
      html {
        font-size: 14px;
      }
      
      .container {
        padding: 0.5rem;
      }
      
      /* Single column for results */
      .live-results-grid {
        grid-template-columns: 1fr;
      }
      
      .results-grid {
        grid-template-columns: 1fr;
      }
      
      /* Tabs even more compact */
      .tab-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
      }
      
      /* Stack form elements */
      .form-row {
        flex-direction: column;
        gap: 1rem;
      }
      
      /* Package comparison */
      .comparison-grid {
        grid-template-columns: 1fr;
      }
      
      /* Reduce heading sizes */
      h1 {
        font-size: 1.5rem;
      }
      
      h2 {
        font-size: 1.25rem;
      }
      
      h3 {
        font-size: 1.1rem;
      }
      
      /* Auth modal full width */
      .auth-modal {
        width: calc(100% - 1rem);
        margin: 0.5rem;
        padding: 1rem;
      }
    }

    /* Touch-friendly improvements */
    @media (hover: none) and (pointer: coarse) {
      /* Larger touch targets */
      .btn,
      .tab-btn,
      .currency-btn,
      button {
        min-height: 44px;
      }
      
      input[type="checkbox"],
      input[type="radio"] {
        width: 20px;
        height: 20px;
      }
      
      /* Remove hover effects that don't work on touch */
      .btn:hover,
      .tab-btn:hover,
      .card:hover {
        transform: none;
      }
      
      /* Active states for touch feedback */
      .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
      }
      
      .tab-btn:active {
        opacity: 0.8;
      }
      
      .card:active {
        opacity: 0.95;
      }
    }

    /* Landscape phone adjustments */
    @media (max-width: 900px) and (orientation: landscape) {
      .role-cards {
        flex-direction: row;
      }
      
      .role-card {
        max-width: 336px;
      }
      
      .auth-modal {
        max-height: 85vh;
      }
    }

    /* Safe area for notched phones */
    @supports (padding: max(0px)) {
      .container {
        padding-left: max(0.75rem, env(safe-area-inset-left));
        padding-right: max(0.75rem, env(safe-area-inset-right));
      }
      
      .header-top {
        padding-top: max(0.5rem, env(safe-area-inset-top));
      }
    }

    /* ===== MOBILE HEADER OPTIMIZATIONS ===== */
    
    /* Language Dropdown (Mobile) */
    .language-dropdown {
      position: relative;
      display: none;
    }
    
    .lang-dropdown-btn {
      display: flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.5rem 0.75rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text-primary);
      font-family: var(--font-mono);
      font-size: 0.85rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    
    .lang-dropdown-btn:hover {
      border-color: var(--accent-teal);
    }
    
    .lang-dropdown-arrow {
      font-size: 0.7rem;
      opacity: 0.7;
      transition: transform 0.2s ease;
    }
    
    .language-dropdown.open .lang-dropdown-arrow {
      transform: rotate(180deg);
    }
    
    .lang-dropdown-menu {
      position: absolute;
      top: calc(100% + 4px);
      right: 0;
      min-width: 130px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px);
      transition: all 0.2s ease;
      z-index: 1000;
      overflow: hidden;
    }
    
    .language-dropdown.open .lang-dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    
    .lang-dropdown-item {
      display: block;
      width: 100%;
      padding: 0.65rem 1rem;
      background: none;
      border: none;
      color: var(--text-secondary);
      font-size: 0.85rem;
      text-align: left;
      cursor: pointer;
      transition: all 0.15s ease;
    }
    
    .lang-dropdown-item:hover {
      background: var(--bg-secondary);
      color: var(--text-primary);
    }
    
    .lang-dropdown-item.active {
      background: var(--accent-teal-dim);
      color: var(--accent-teal);
      font-weight: 500;
    }

    /* Desktop/Mobile visibility */
    .language-switcher-desktop {
      display: flex;
    }
    
    .language-switcher-mobile {
      display: none;
    }
    
    .theme-toggle-desktop {
      display: block;
    }

    /* Mobile Header Layout */
    @media (max-width: 640px) {
      /* Hide desktop language switcher, show mobile dropdown */
      .language-switcher-desktop {
        display: none !important;
      }
      
      .language-switcher-mobile {
        display: block !important;
      }
      
      /* Hide theme toggle on mobile - use system preference */
      .theme-toggle-desktop {
        display: none !important;
      }
      
      /* Role Selection Header - Mobile */
      .role-selection-header {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 0.75rem 1rem;
        gap: 0.75rem;
      }
      
      .role-selection-logo {
        flex-shrink: 0;
      }
      
      .role-selection-logo .logo-img {
        height: 40px;
        width: auto;
      }
      
      .header-controls {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        flex-wrap: nowrap;
      }
      
      .header-login-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
        white-space: nowrap;
      }
      
      /* Main App Header - Mobile */
      .header-top {
        flex-direction: row !important;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        padding: 0.5rem 0;
      }
      
      .header-left {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
      }
      
      .header-left .logo .logo-img {
        height: 36px;
        width: auto;
      }
      
      .role-indicator {
        display: none;
      }
      
      .header-right {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
      }
      
      .header-controls {
        flex-direction: row;
      }
      
      .login-btn,
      .logout-btn {
        padding: 0.45rem 0.75rem;
        font-size: 0.8rem;
      }
      
      /* User info on mobile */
      .user-info {
        gap: 0.35rem;
      }
      
      .user-email {
        display: none;
      }
    }

    /* Extra small screens */
    @media (max-width: 380px) {
      .role-selection-logo .logo-img {
        height: 32px;
      }
      
      .header-left .logo .logo-img {
        height: 30px;
      }
      
      .lang-dropdown-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
      }
      
      .header-login-btn,
      .login-btn {
        padding: 0.4rem 0.65rem;
        font-size: 0.75rem;
      }
    }