/* =================================================================== */
/* UNIFIED DESIGN SYSTEM STYLESHEET - MODERN UI V2                    */
/* Refactored for Consistency, Layout Correction & Alignment         */
/* =================================================================== */

/* --- 1. Design System & Global Styles --- */
:root {
    /* Color Palette */
    --color-primary: #2196F3;
    --color-secondary: #4CAF50;
    --color-accent: #FFC107;
    --color-text-dark: #121212;
    --color-text-body: #333333;
    --color-text-muted: #6C757D;
    --color-bg-main: #F8F9FA;
    --color-bg-card: #FFFFFF;
    --color-border: #E9ECEF;
  
    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-code: 'Fira Code', monospace;
  
    /* Spacing & Sizing */
    --spacing-xs: 0.25rem;  /* 4px */
    --spacing-sm: 0.5rem;   /* 8px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2.5rem;   /* 40px */
  
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
  
    /* Shadows & Transitions */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-deep: 0 8px 25px rgba(0, 0, 0, 0.12);
    --transition-main: all 0.3s ease;
  }
  
  /* --- 2. Base Reset & Core Elements --- */
  * { box-sizing: border-box; }
  
  body {
    margin: 0;
    font-family: var(--font-body);
    background-color: var(--color-bg-main);
    color: var(--color-text-body);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  main {
      flex-grow: 1; /* Ensures main content pushes footer down */
  }
  
  
  h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-dark);
  }
  
  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-main);
  }
  a:hover { color: var(--color-secondary); }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.65rem var(--spacing-lg); 
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-main);
    text-align: center;
    white-space: nowrap;
  }
  
  .btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
  }
  .btn-primary:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
  }
  
  .btn-full-width {
      width: 100%;
  }
  
  /* --- 3. Navigation & Header --- */
  /* Styles for .navbar, .navbar-brand, .nav-item, .nav-link, .dropdown-menu etc. */
  /* have been REMOVED from this file. */
  /* These should now be defined in your main style.css if you want a central stylesheet for the navbar. */
  /* The Bootstrap classes in your nav.html (like navbar-expand-lg, ms-auto) will still function */
  /* based on Bootstrap's own CSS if it's linked, or your main style.css if it targets them. */
  
  
  /* --- 4. Section Titles (General Purpose) --- */
  .section-title {
    margin-top: var(--spacing-lg);
    font-size: 1.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
    display: inline-block;
  }
  .section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  }
  
  /* --- 7. Footer --- */
  .footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0; 
    margin-top: var(--spacing-xl); 
  }
  .footer h5 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
  }
  .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: var(--spacing-lg);
  }
  
  .footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .footer-links li { margin-bottom: var(--spacing-sm); }
  .footer-links a {
    color: var(--color-text-body);
    transition: var(--transition-main);
  }
  .footer-links a:hover { color: var(--color-accent); }
  
  .text-muted-small {
      font-size: 0.875rem;
      color: var(--color-text-muted);
  }
  .footer-socials {
      display: flex;
      gap: var(--spacing-md);
  }
  .footer-socials a {
      color: var(--color-text-muted);
      font-size: 1.25rem;
  }
  .footer-socials a:hover {
      color: var(--color-primary);
  }
  
  .copyright {
    text-align: center;
    color: var(--color-text-muted);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
  }
  
  
  /* =================================================================== */
  /* 10. SIGNUP PAGE - MAIN LAYOUT                                     */
  /* =================================================================== */
  .signup-page-main-content {
      padding-top: var(--spacing-xl);
      padding-bottom: var(--spacing-xl);
  }
  
  .signup-outer-container {
      max-width: 1000px; 
      margin-left: auto;
      margin-right: auto;
      padding-left: var(--spacing-md); 
      padding-right: var(--spacing-md);
  }
  
  .signup-inner-container {
    display: grid;
    grid-template-columns: 1fr; 
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-deep);
    overflow: hidden; 
  }
  
  @media (min-width: 992px) { /* lg breakpoint */
    .signup-inner-container {
      grid-template-columns: 40% 60%; 
    }
  }
  
  /* =================================================================== */
  /* 11. SIGNUP PAGE - BANNER COLUMN (Left)                            */
  /* =================================================================== */
  .signup-banner-column {
    display: none; 
    flex-direction: column;
    justify-content: center;
    background-color: var(--color-bg-main); 
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    border-right: 1px solid var(--color-border);
  }
  
  @media (min-width: 992px) { /* lg breakpoint */
    .signup-banner-column {
      display: flex; 
    }
  }
  
  .animated-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%; z-index: 0; 
    opacity: 0.03; 
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23000000' fill-opacity='1' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='1'/%3E%3C/g%3E%3C/svg%3E");
    animation: subtleFade 7s infinite ease-in-out;
  }
  
  @keyframes subtleFade { 
      0% { opacity: 0.03; }
      50% { opacity: 0.05; }
      100% { opacity: 0.03; }
  }
  
  .signup-banner-column > * {
      position: relative; 
      z-index: 1;
  }
  
  .banner-logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem; 
    font-weight: 900;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
  }
  
  .banner-tagline {
    font-size: 1.25rem; 
    color: var(--color-text-body);
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-body); 
  }
  
  .banner-content-separator {
    border: none;
    border-top: 1px solid var(--color-border);
    width: 70%;
    margin: var(--spacing-lg) auto;
  }
  
  .banner-benefits-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
    gap: var(--spacing-md);
    margin: 0 auto; 
    max-width: 300px; 
    text-align: left;
  }
  
  .banner-benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--color-text-muted);
  }
  .banner-benefit-item .benefit-icon {
    color: var(--color-secondary);
    font-size: 1.1rem;
  }
  
  /* =================================================================== */
  /* 12. SIGNUP PAGE - FORM COLUMN (Right) & FORM ELEMENTS             */
  /* =================================================================== */
  .signup-form-column {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .form-title-main {
    font-family: var(--font-heading);
    font-size: 2rem; 
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-dark);
  }
  
  .form-group {
    margin-bottom: var(--spacing-lg);
  }
  .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-body);
    font-size: 0.9rem;
  }
  .form-input { 
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text-body);
    background-color: #fff;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
  }
  .form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25); 
  }
  .form-input::placeholder {
      color: var(--color-text-muted);
      opacity: 0.7;
  }
  
  .btn-outline {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-body);
  }
  .btn-outline:hover {
    background-color: var(--color-bg-main); 
    border-color: var(--color-text-muted);
    color: var(--color-primary);
  }
  .btn-outline .bi {
      margin-right: var(--spacing-sm);
  }
  
  .form-section-divider {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 0;
    border-top: 1px solid var(--color-border);
  }
  
  .form-alternative-action-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
  }
  
  .form-footer-prompt {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: 0.9rem;
  }
  .form-footer-prompt a {
      font-weight: 600;
  }
  
  .form-message-error {
      background-color: #f8d7da;
      color: #721c24;
      border: 1px solid #f5c6cb;
      border-radius: var(--radius-md);
      padding: var(--spacing-md);
      margin-top: var(--spacing-lg);
      font-size: 0.9rem;
      text-align: center;
      display: none; /* Hidden by default, shown by JS */
  }
  
  .critical-error-message { 
      padding: var(--spacing-lg);
      background-color: #f8d7da;
      color: #721c24;
      border: 1px solid #f5c6cb;
      border-radius: var(--radius-md);
      margin: var(--spacing-xl) var(--spacing-md);
      text-align: center;
      font-family: var(--font-body);
  }