/* ═══════════════════════════════════════════
       COLOR THEME SYSTEM
    ═══════════════════════════════════════════ */
    /* CSS Variables inherited from global-theme.css */

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      transition: var(--trans);
      overflow-x: hidden;
    }

    .bg-grid {
      position: fixed; inset: 0; z-index: 0; pointer-events: none;
      background-image: none;
      opacity: 0;
      transition: var(--trans);
    }
    body.dark-theme .bg-grid {
      background-image: radial-gradient(circle, #CBD5E1 0.5px, transparent 0.5px);
      background-size: 24px 24px;
      opacity: 0.35;
    }

    /* ═══════════════════════════════════════════
       HEADER & NAVIGATION
     ═══════════════════════════════════════════ */
    header {
      position: sticky;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(226, 232, 240, 0.85); /* Synced with main tools hub */
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      transition: all 0.3s ease;
    }
    body.dark-theme header {
      background: rgba(10, 10, 10, 0.85);
      border-bottom: 1px solid #222;
    }
    .nav-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 24px !important; /* Force override stretched padding */
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }
    .logo-group {
      display: flex;
      align-items: center;
      text-decoration: none;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .theme-toggle-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      background-color: var(--surface2);
      border: 1.5px solid var(--border);
      border-radius: 50%;
      cursor: pointer;
      color: var(--text);
      transition: all 0.3s ease;
    }
    .theme-toggle-btn:hover {
      transform: rotate(15deg) scale(1.05);
      border-color: var(--accent);
      color: var(--accent);
    }
    .theme-toggle-btn .sun-icon { display: none; }
    .theme-toggle-btn .moon-icon { display: block; }

    body.dark-theme .theme-toggle-btn .sun-icon {
      display: block;
      color: #f59e0b;
    }
    body.dark-theme .theme-toggle-btn .moon-icon { display: none; }

    .btn-nav {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 20px;
      background-color: var(--surface2);
      color: var(--text);
      border: 1.5px solid var(--border);
      font-weight: 600;
      font-size: 14px;
      border-radius: 30px;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.3s ease;
    }
    .btn-nav:hover {
      background-color: var(--accent);
      color: #ffffff;
      border-color: var(--accent);
      transform: translateY(-2px);
    }
    .btn-nav svg {
      transition: transform 0.3s ease;
    }
    .btn-nav:hover svg {
      transform: translateX(-2px);
    }
    .back-hub-btn:hover {
      border-color: var(--accent);
      background: var(--border-subtle);
    }

    .nav-link {
      color: var(--text-soft);
      text-decoration: none;
      font-weight: 500;
      font-size: 15px;
      transition: var(--trans);
    }
    .nav-link:hover { color: var(--text); }

    #themeBtn {
      background: none; border: 1px solid var(--border);
      color: var(--text);
      cursor: pointer;
      width: 42px; height: 42px;
      border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      transition: var(--trans);
    }
    #themeBtn:hover { border-color: var(--accent); background: var(--surface2); }

    /* ═══════════════════════════════════════════
       DASHBOARD LAYOUT
    ═══════════════════════════════════════════ */
    .container {
      max-w: 1200px; margin: 0 auto;
      padding: 40px 24px;
      position: relative; z-index: 1;
    }

    .hero-section { text-align: center; margin-bottom: 40px; }
    .hero-section h1 {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 2.8rem; font-weight: 800;
      letter-spacing: -1px; margin-bottom: 12px;
      background: linear-gradient(135deg, var(--text) 30%, var(--text-soft) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hero-section p {
      font-size: 1.1rem; color: var(--text-soft); max-w: 600px; margin: 0 auto;
    }

    /* Tabs Bar */
    .tab-bar {
      display: flex; align-items: center; justify-content: center;
      gap: 12px; margin-bottom: 40px;
      background: var(--surface);
      padding: 6px; border-radius: 16px;
      border: 1px solid var(--border);
      max-width: 680px; margin-left: auto; margin-right: auto;
    }

    .tab-btn {
      flex: 1; text-align: center;
      padding: 12px 20px; border-radius: 12px;
      border: none; background: transparent;
      color: var(--text-soft); font-weight: 600;
      font-size: 15px; cursor: pointer;
      display: flex; align-items: center; justify-content: center; gap: 8px;
      transition: var(--trans);
    }
    .tab-btn:hover { color: var(--text); }
    .tab-btn.active {
      background: var(--bg);
      color: var(--accent);
      box-shadow: var(--shadow);
    }

    /* Tab Workspace */
    .tab-content { display: none; }
    .tab-content.active { display: block; }

    /* Cards & Controls */
    .ai-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 32px;
      box-shadow: var(--shadow);
      margin-bottom: 30px;
    }

    .input-label {
      font-size: 14px; font-weight: 600;
      color: var(--text);
      display: block; margin-bottom: 8px;
    }

    .control-row {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px; margin-bottom: 24px;
    }

    .select-input, .text-input {
      width: 100%;
      background: var(--surface2);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text);
      padding: 14px 16px;
      font-size: 15px; outline: none;
      transition: var(--trans);
    }
    .select-input:focus, .text-input:focus { border-color: var(--accent); }

    /* Text areas */
    .code-editor-wrap {
      display: grid; grid-template-columns: 1fr;
      gap: 20px; margin-top: 16px;
    }
    @media (min-width: 768px) {
      .code-editor-wrap.split { grid-template-columns: 1fr 1fr; }
    }

    .text-area {
      width: 100%; height: 200px;
      background: var(--surface2);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text);
      padding: 16px; font-family: inherit;
      font-size: 15px; resize: vertical; outline: none;
      transition: var(--trans);
      line-height: 1.5;
    }
    .text-area:focus { border-color: var(--accent); }

    .action-btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      color: #fff; border: none;
      padding: 14px 28px; border-radius: 12px;
      font-size: 16px; font-weight: 700;
      cursor: pointer; width: 100%;
      transition: var(--trans);
      box-shadow: var(--cta-shadow);
      margin-top: 16px;
    }
    .action-btn:hover {
      box-shadow: var(--cta-shadow-hover);
      transform: translateY(-1px);
    }

/* Footer */
    footer {
      border-top: 1px solid var(--border);
      padding: 40px 24px;
      background: var(--surface);
      transition: background-color 0.4s ease;
    }
    body.dark-theme footer {
      background: #03060c;
    }
    .footer-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      gap: 20px;
    }
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      justify-content: center;
    }
    .logo-icon svg path {
      stroke: var(--accent);
    }
    body.dark-theme .logo-icon svg path {
      stroke: #ffffff;
    }
    .footer-logo-text {
      font-size: 18px;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: -0.5px;
    }
    body.dark-theme .footer-logo-text {
      color: #ffffff;
    }
    .footer-logo-text span {
      color: var(--accent);
    }
    .copyright-text {
      font-size: 14px;
      color: var(--text-muted);
      font-family: 'Inter', sans-serif;
      margin: 0;
    }
    .copyright-text a {
      color: var(--accent);
      font-weight: 600;
      text-decoration: none;
      border-bottom: 1px dashed var(--accent);
      padding-bottom: 2px;
    }
    .copyright-text a:hover {
      color: var(--accent-hover);
      border-color: var(--accent-hover);
    }
  
  /* Back to Top Button styling */
  #backToTopBtn {
      position: fixed;
      bottom: 95px;
      right: 30px;
      z-index: 999;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(30, 41, 59, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
      transition: all 0.3s ease;
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
  }
  #backToTopBtn.show {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
  }
  #backToTopBtn:hover {
      background: rgba(30, 41, 59, 1);
      transform: translateY(-3px);
  }
  body:not(.dark-theme) #backToTopBtn,
  body.dark-theme #backToTopBtn {
      background: rgba(17, 17, 17, 0.85);
      border-color: #CBD5E1;
      color: #0F172A;
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  }
  body:not(.dark-theme) #backToTopBtn:hover,
  body.dark-theme #backToTopBtn:hover {
      background: #FFFFFF;
  }


/* Footer links styling */
.footer-links a {
  color: #64748b !important;
  text-decoration: none !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  transition: color 0.3s ease !important;
}
.footer-links a:hover {
  color: #ffffff !important;
}
body.light .footer-links a {
  color: #475569 !important;
}
body.light .footer-links a:hover {
  color: #1e3c72 !important;
}