/* OceanofTools — octal_to_hexadecimal_converter.php
   Page-specific tool/workspace CSS only. Universal header/footer stays in /style/header_footer.css. */
/* ===== Migrated from text_tool_hub/octal_to_hexadecimal_converter.php inline <style> ===== */
.container1 {
      max-width:none;
      margin: 0 auto;
      background: white;
      border-radius: 16px;
      box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      margin-left: 20px;
      margin-right: 20px;
    }

    .hero {
      text-align: center;
      margin-bottom: 30px;
      padding: 40px 20px 20px;
    }

    .hero-icon {
      font-size: 2.4rem;
      display: block;
      margin-bottom: 10px;
      color: #1a75ff;
    }

    h1 {
      font-size: 2.2rem;
      margin-bottom: 12px;
      background: linear-gradient(135deg, #1a75ff, #0d47aa);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero p {
      color: #555;
      font-size: 1.1rem;
      max-width: 750px;
      margin: 0 auto;
      opacity: 0.9;
      line-height: 1.6;
    }

    .case-selector-container {
      background: linear-gradient(135deg, #14b89a15 0%, #0d8d7615 100%);
      padding: 25px;
      border-radius: 15px;
      margin: 0 25px 30px;
    }

    .selector-title {
      font-size: 20px;
      color: #2d3748;
      margin-bottom: 15px;
      font-weight: 600;
    }

    .dropdown-container {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
    }

    .dropdown-select {
      flex: 1;
      min-width: 250px;
      padding: 12px 16px;
      font-size: 15px;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      background: white;
      cursor: pointer;
      outline: none;
      transition: all 0.3s ease;
    }

    .dropdown-select:focus {
      border-color: #14b89a;
      box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    .tool-interface {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      margin-bottom: 30px;
      padding: 0 25px;
    }
    
    .input-section,
    .output-section {
      padding: 0 15px;
    }

    @media (max-width: 768px) {
      .tool-interface {
        grid-template-columns: 1fr;
      }
    }

    .section-title {
      font-size: 18px;
      color: #2d3748;
      margin-bottom: 15px;
      font-weight: 600;
    }

    .textarea {
      width: 100%;
      min-height: 300px;
      padding: 15px;
      font-size: 15px;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      resize: vertical;
      font-family: 'Courier New', monospace;
      outline: none;
      transition: all 0.3s ease;
    }

    .textarea:focus {
      border-color: #14b89a;
      box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 15px;
      margin-top: 15px;
    }

    .stat-card {
      background: linear-gradient(135deg, #14b89a15 0%, #0d8d7615 100%);
      padding: 15px;
      border-radius: 10px;
      text-align: center;
    }

    .stat-number {
      font-size: 24px;
      font-weight: 700;
      color: #14b89a;
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 13px;
      color: #718096;
      font-weight: 500;
    }

    .action-buttons {
      display: flex;
      gap: 15px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 30px;
      padding: 0 25px;
    }

    .action-btn {
      padding: 14px 30px;
      font-size: 16px;
      font-weight: 600;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      transition: all 0.3s ease;
      background: linear-gradient(135deg, #14b89a 0%, #0d8d76 100%);
      color: white;
      box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    }

    .action-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    }

    .action-btn.secondary {
      background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
      box-shadow: 0 4px 15px rgba(113, 128, 150, 0.4);
    }

    .action-btn.secondary:hover {
      box-shadow: 0 6px 20px rgba(113, 128, 150, 0.6);
    }

    .success-message {
      background: #48bb78;
      color: white;
      padding: 12px 20px;
      border-radius: 8px;
      margin-top: 15px;
      text-align: center;
      display: none;
      font-weight: 500;
    }

    .error-message {
      background: #e53e3e;
      color: white;
      padding: 12px 20px;
      border-radius: 8px;
      margin-top: 15px;
      text-align: center;
      display: none;
      font-weight: 500;
    }

    .success-message.show,
    .error-message.show {
      display: block;
      animation: slideIn 0.3s ease;
    }

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

    .complaint-section {
      text-align: center;
      padding: 30px;
      background: #f7fafc;
      border-radius: 15px;
      margin: 0 25px 30px;
    }

    .complaint-section h2 {
      font-size: 24px;
      color: #2d3748;
      margin-bottom: 10px;
    }

    .complaint-section p {
      color: #718096;
      margin-bottom: 20px;
    }

    #complaintBtn {
      padding: 12px 30px;
      font-size: 16px;
      background: #e53e3e;
      color: white;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    #complaintBtn:hover {
      background: #c53030;
      transform: translateY(-2px);
    }

/* ===== Migrated from text_tool_hub/octal_to_hexadecimal_converter.php inline <style> ===== */
.info-container {
      max-width:none;
      margin: 30px auto;
      background: white;
      border-radius: 16px;
      box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      margin-left: 20px;
      margin-right: 20px;
    }

    .info-section {
      padding: 40px 30px;
    }

    .info-section:not(:last-child) {
      border-bottom: 2px solid #f7fafc;
    }

    .section-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 25px;
    }

    .section-icon {
      font-size: 2rem;
    }

    .section-header h2 {
      font-size: 1.8rem;
      color: #2d3748;
      background: linear-gradient(135deg, #14b89a, #0d8d76);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .section-content p {
      color: #4a5568;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 25px;
    }

    .feature-card {
      background: linear-gradient(135deg, #14b89a15 0%, #0d8d7615 100%);
      padding: 25px;
      border-radius: 12px;
      transition: all 0.3s ease;
      border: 2px solid transparent;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: #14b89a;
      box-shadow: 0 8px 20px rgba(102, 126, 234, 0.2);
    }

    .feature-icon {
      font-size: 2.5rem;
      display: block;
      margin-bottom: 15px;
    }

    .feature-card h3 {
      font-size: 1.2rem;
      color: #2d3748;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .feature-card p {
      color: #718096;
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 0;
    }

    .steps-container {
      margin-top: 25px;
    }

    .step-item {
      display: flex;
      gap: 20px;
      margin-bottom: 25px;
      padding: 20px;
      background: #f7fafc;
      border-radius: 12px;
      transition: all 0.3s ease;
    }

    .step-item:hover {
      background: linear-gradient(135deg, #14b89a10 0%, #0d8d7610 100%);
      transform: translateX(5px);
    }

    .step-number {
      flex-shrink: 0;
      width: 45px;
      height: 45px;
      background: linear-gradient(135deg, #14b89a, #0d8d76);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 700;
      box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }

    .step-content h3 {
      font-size: 1.15rem;
      color: #2d3748;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .step-content p {
      color: #718096;
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 0;
    }

    .highlight-box {
      background: linear-gradient(135deg, #14b89a15 0%, #0d8d7615 100%);
      padding: 20px 25px;
      border-radius: 12px;
      border-left: 4px solid #14b89a;
      margin: 20px 0;
    }

    .highlight-box p {
      margin-bottom: 0;
      color: #4a5568;
    }

    .highlight-box strong {
      color: #14b89a;
      font-weight: 600;
    }

    .format-examples {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 15px;
      margin-top: 20px;
    }

    .format-example {
      background: #f7fafc;
      padding: 15px;
      border-radius: 10px;
      border: 2px solid #e2e8f0;
    }

    .format-example h4 {
      font-size: 1rem;
      color: #14b89a;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .format-example code {
      display: block;
      background: white;
      padding: 10px;
      border-radius: 6px;
      font-family: 'Courier New', monospace;
      color: #2d3748;
      font-size: 0.9rem;
      overflow-x: auto;
    }

    .benefit-list {
      list-style: none;
      margin-top: 20px;
    }

    .benefit-list li {
      padding: 12px 0;
      padding-left: 35px;
      position: relative;
      color: #4a5568;
      font-size: 1.05rem;
      line-height: 1.6;
    }

    .benefit-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: #48bb78;
      font-weight: bold;
      font-size: 1.3rem;
    }

    @media (max-width: 768px) {
      .info-section {
        padding: 30px 20px;
      }

      .section-header h2 {
        font-size: 1.5rem;
      }

      .features-grid {
        grid-template-columns: 1fr;
      }

      .step-item {
        flex-direction: column;
        gap: 15px;
      }
    }

/* ===== Migrated from style/tool-suite.css ===== */
/* OceanofTools shared premium tool interface */
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body.oot-modern .result,body.oot-modern .result-section,body.oot-modern .output-section,body.oot-modern .output-container,body.oot-modern .preview-section,body.oot-modern .preview-area{min-width:0;border:1px solid var(--oot-border)!important;border-radius:20px!important;background:#fff!important;box-shadow:0 14px 28px rgba(17,31,61,.05)!important}body.oot-modern .success,body.oot-modern .success-message{border:1px solid #bde5c7!important;background:#f0fff4!important;color:var(--oot-success)!important}body.oot-modern .error,body.oot-modern .error-message{border:1px solid #f2c6c6!important;background:#fff4f4!important;color:var(--oot-danger)!important}
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@media(max-width:720px){body.oot-modern>.hero,body.oot-modern main>.hero,body.oot-modern .container1>.hero{width:min(100% - 18px,1240px);padding:24px 19px!important;border-radius:24px!important;margin-top:14px!important}body.oot-modern .container1>.hero{width:100%}body.oot-modern .container1,body.oot-modern .container2,body.oot-modern .tool-container,body.oot-modern .calculator-container,body.oot-modern .main-container,body.oot-modern .content-container{width:min(100% - 18px,1240px)!important;margin:14px auto!important;padding:18px!important;border-radius:20px!important}body.oot-modern .container1 .container1,body.oot-modern .container1 .container2{width:100%!important}body.oot-modern .tool-interface>*,body.oot-modern .input-section,body.oot-modern .output-section{min-width:0!important;width:100%!important}body.oot-modern .button-group,body.oot-modern .actions,body.oot-modern .action-buttons,body.oot-modern .controls{flex-wrap:wrap!important}body.oot-modern .button-group>button,body.oot-modern .actions>button,body.oot-modern .action-buttons>button{flex:1 1 145px;min-height:46px}body.oot-modern input,body.oot-modern select,body.oot-modern textarea{font-size:16px!important}body.oot-modern .search-container{width:min(100% - 18px,1240px)!important;margin-left:auto!important;margin-right:auto!important}body.oot-modern pre,body.oot-modern code{white-space:pre-wrap;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}body.oot-modern *,body.oot-modern *:before,body.oot-modern *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
body.oot-modern .doc-container,body.oot-modern .docs-container,body.oot-modern .documentation,body.oot-modern .doc-section,body.oot-modern .doc-steps,body.oot-modern .doc-step,body.oot-modern .doc-step-content,body.oot-modern .feature-card,body.oot-modern .section-content {min-width: 0;max-width: 100%;overflow-wrap: anywhere}
body.oot-modern .doc-code-block,body.oot-modern .code-block,body.oot-modern pre {max-width: 100%;overflow-x: auto;border-radius:16px;border:1px solid var(--oot-border);background:#0f1c34;color:#e7efff;padding:16px}
@media(max-width:720px){body.oot-modern .doc-step{gap:12px!important;padding-left:14px!important;padding-right:14px!important}body.oot-modern .doc-step-content{width:auto!important;flex:1 1 auto!important}body.oot-modern .doc-step-number{flex:0 0 auto!important}}
@media(max-width:720px){body.oot-modern table:not(.oot-no-scroll){display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}body.oot-modern table:not(.oot-no-scroll) caption{display:block;width:100%}}