/* OceanofTools — Duplicate_line_remover_tool.php
   Page-specific tool/workspace CSS only. Universal header/footer stays in /style/header_footer.css. */
/* ===== Migrated from text_tool_hub/Duplicate_line_remover_tool.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;
  padding: 30px;
  margin-left: 20px;
  margin-right: 20px;
}

/* === Hero Section === */
.hero {
  text-align: center;
  margin-bottom: 30px;
  padding: 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;
}
    .upload-section {
      margin-bottom: 30px;
    }

    .upload-title {
      font-size: 24px;
      color: #333;
      margin-bottom: 20px;
      font-weight: 600;
    }

    .file-upload-area {
      border: 3px dashed #14b89a;
      border-radius: 15px;
      padding: 40px;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
      background: #f8f9ff;
    }

    .file-upload-area:hover {
      background: #eef2ff;
      border-color: #0d8d76;
    }

    .file-upload-area.drag-over {
      background: #e0e7ff;
      border-color: #0f8f77;
    }

    .upload-icon {
      font-size: 48px;
      display: block;
      margin-bottom: 15px;
    }

    .upload-text {
      font-size: 18px;
      color: #333;
      margin-bottom: 8px;
      font-weight: 500;
    }

    .upload-subtext {
      font-size: 14px;
      color: #666;
    }

    #fileInput {
      display: none;
    }

    .file-info {
      margin-top: 15px;
      padding: 15px;
      background: #e0f2fe;
      border-radius: 10px;
      display: none;
      color: #0c4a6e;
    }

    .file-info.show {
      display: block;
    }

    .format-selector-container {
      margin-bottom: 30px;
    }

    .selector-title {
      font-size: 24px;
      color: #333;
      margin-bottom: 20px;
      font-weight: 600;
    }

    .dropdown-container {
      position: relative;
    }

    .dropdown-select {
      width: 100%;
      padding: 15px 20px;
      font-size: 16px;
      border: 2px solid #e0e0e0;
      border-radius: 10px;
      background: white;
      cursor: pointer;
      transition: all 0.3s ease;
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23667eea' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 15px center;
      background-size: 20px;
      padding-right: 50px;
    }

    .dropdown-select:hover {
      border-color: #14b89a;
    }

    .dropdown-select:focus {
      outline: none;
      border-color: #0d8d76;
      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;
    }

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

    .input-section,
    .output-section {
      display: flex;
      flex-direction: column;
    }

    .section-title {
      font-size: 20px;
      color: #333;
      margin-bottom: 15px;
      font-weight: 600;
    }

    .textarea {
      width: 100%;
      min-height: 300px;
      padding: 20px;
      border: 2px solid #e0e0e0;
      border-radius: 10px;
      font-family: 'Courier New', monospace;
      font-size: 14px;
      resize: vertical;
      transition: all 0.3s ease;
    }

    .textarea:focus {
      outline: none;
      border-color: #14b89a;
      box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 15px;
      margin-top: 20px;
    }

    @media (max-width: 768px) {
      .stats {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    .stat-card {
      background: linear-gradient(135deg, #14b89a 0%, #0d8d76 100%);
      padding: 20px;
      border-radius: 10px;
      text-align: center;
      color: white;
    }

    .stat-number {
      font-size: 28px;
      font-weight: bold;
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 12px;
      opacity: 0.9;
    }

    .action-buttons {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .action-btn {
      padding: 15px 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;
    }

    .action-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    }

    .action-btn.secondary {
      background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    }

    .action-btn:active {
      transform: translateY(0);
    }

    .success-message {
      margin-top: 15px;
      padding: 15px;
      background: #d1fae5;
      color: #065f46;
      border-radius: 10px;
      display: none;
      font-weight: 500;
    }

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

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

    .hero-section {
      text-align: center;
      margin-bottom: 40px;
      padding: 30px;
      background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
      border-radius: 15px;
    }

    .hero-title {
      font-size: 42px;
      color: #333;
      margin-bottom: 15px;
      font-weight: 700;
    }

    .hero-description {
      font-size: 18px;
      color: #666;
      line-height: 1.6;
    }

    .info-section {
      margin-top: 50px;
    }

    .info-card {
      background: white;
      border-radius: 15px;
      padding: 40px;
      margin-bottom: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    }

    .info-title {
      font-size: 28px;
      color: #333;
      margin-bottom: 30px;
      font-weight: 700;
      border-bottom: 3px solid #14b89a;
      padding-bottom: 15px;
    }

    .info-content {
      color: #555;
      line-height: 1.8;
    }

    .step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 30px;
      padding: 20px;
      background: #f8f9ff;
      border-radius: 10px;
      transition: all 0.3s ease;
    }

    .step-item:hover {
      background: #eef2ff;
      transform: translateX(5px);
    }

    .step-number {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 45px;
      height: 45px;
      background: linear-gradient(135deg, #14b89a 0%, #0d8d76 100%);
      color: white;
      border-radius: 50%;
      font-size: 20px;
      font-weight: bold;
      flex-shrink: 0;
      margin-right: 20px;
    }

    .step-details h4 {
      font-size: 18px;
      color: #333;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .step-details p {
      font-size: 15px;
      color: #666;
      line-height: 1.6;
    }

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

    .feature-card {
      background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
      padding: 30px;
      border-radius: 12px;
      text-align: center;
      transition: all 0.3s ease;
      border: 2px solid transparent;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
      border-color: #14b89a;
    }

    .feature-icon {
      font-size: 48px;
      margin-bottom: 15px;
    }

    .feature-title {
      font-size: 18px;
      color: #333;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .feature-description {
      font-size: 14px;
      color: #666;
      line-height: 1.6;
    }

    .option-item {
      margin-bottom: 25px;
      padding: 20px;
      background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
      border-radius: 10px;
      border-left: 4px solid #14b89a;
    }

    .option-item h4 {
      font-size: 18px;
      color: #333;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .option-item p {
      font-size: 15px;
      color: #666;
      line-height: 1.6;
    }

    .use-cases-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .use-case-item {
      display: flex;
      align-items: flex-start;
      padding: 20px;
      background: #f8f9ff;
      border-radius: 10px;
      transition: all 0.3s ease;
    }

    .use-case-item:hover {
      background: #eef2ff;
      transform: translateX(5px);
    }

    .use-case-emoji {
      font-size: 32px;
      margin-right: 15px;
      flex-shrink: 0;
    }

    .use-case-item h4 {
      font-size: 16px;
      color: #333;
      margin-bottom: 6px;
      font-weight: 600;
    }

    .use-case-item p {
      font-size: 14px;
      color: #666;
      line-height: 1.5;
    }

/* ===== Migrated from style/tool-suite.css ===== */
/* OceanofTools shared premium tool interface */
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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%}}