:root {
  --primary-color: #5d5dff;
  --secondary-color: #e0e0ff;
  --text-color: #333;
  --background-color: #f7f9fc;
  --border-color: #ddd;
  --redact-box-color: rgba(255, 0, 0, 0.4);
  --redact-box-border: #ff0000;
  --header-height: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  color: var(--text-color);
  display: flex;
  
  flex-direction: column;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background-color: #fff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  box-sizing: border-box;
}

.header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  margin-left: 60px;
  color: var(--primary-color);
}

#controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.custom-file-upload,
#controls button {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  border: 1px solid var(--primary-color);
  white-space: nowrap;
}

.custom-file-upload {
  background-color: var(--primary-color);
  color: #fff;
}

.custom-file-upload:hover {
  background-color: #4a4aef;
}

#btnCreateRedactBox {
  background-color: transparent;
  color: var(--primary-color);
}

#btnCreateRedactBox:hover {
  background-color: var(--secondary-color);
}

#btnRedact {
  background-color: #dc3545;
  color: #fff;
  border-color: #dc3545;
}

#btnRedact:hover {
  background-color: #c82333;
  border-color: #bd2130;
}

input[type="file"] {
  display: none;
}

#status-area {
  margin-left: 20px;
  font-size: 0.9rem;
  color: #666;
  display: flex;
  align-items: center;
  gap: 5px;
}

.spinner {
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 16px;
  height: 16px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#status-area a {
  display: inline-block;
  padding: 8px 16px;
  background-color: #28a745;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background-color 0.3s ease;
  white-space: nowrap;
}

#status-area a:hover {
  background-color: #218838;
}

/* === PDF VIEWER FIXES START HERE === */
.viewer {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto; /* Allow vertical scrolling */
  overflow-x: hidden; /* **Prevent horizontal scrolling** */
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

#pagesContainer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 100%; /* **Ensure container fits in viewer** */
  overflow-x: hidden; /* **Prevent child elements from creating overflow** */
}

.page-wrap {
  position: relative;
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
  max-width: 100%; /* **Crucial: Make sure page fits inside its parent** */
  height: auto;
}

.pdf-canvas {
  display: block;
  max-width: 100%; /* **Ensure the canvas scales down to fit** */
  height: auto;
}
/* === PDF VIEWER FIXES END HERE === */

.redact-box {
  position: absolute;
  background-color: var(--redact-box-color);
  border: 2px dashed var(--redact-box-border);
  cursor: grab;
  touch-action: none;
  box-sizing: border-box;
}

.redact-box:hover,
.redact-box:focus {
  border-style: solid;
}

.redact-box .redact-delete {
  position: absolute;
  top: -10px;
  right: -10px;
  background-color: #dc3545;
  color: #fff;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}

.redact-box .redact-delete:hover {
  transform: scale(1.1);
}

.redact-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #fff;
  border: 1px solid var(--redact-box-border);
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

.redact-handle.nw { top: -5px; left: -5px; cursor: nw-resize; }
.redact-handle.ne { top: -5px; right: -5px; cursor: ne-resize; }
.redact-handle.sw { bottom: -5px; left: -5px; cursor: sw-resize; }
.redact-handle.se { bottom: -5px; right: -5px; cursor: se-resize; }

body.drawing-mode .viewer {
  cursor: crosshair;
}
/* ===================================== */
/* New Base Layout & Typography          */
/* ===================================== */
.content-wrapper {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 50px;
    font-weight: 600;
}

.content-card {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #e0e0e0;
    padding: 30px;
}

/* ===================================== */
/* Why Redact Section                    */
/* ===================================== */
.why-redact-section {
    padding: 60px 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-card .fas {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #444;
    margin-top: 0;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* ===================================== */
/* How It Works Section                  */
/* ===================================== */
.how-it-works-section {
    padding: 60px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    justify-content: center;
}

.step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-card .step-icon {
    background-color: var(--primary-color);
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 20px;
    transition: background-color 0.3s ease;
}

.step-card:hover .step-icon {
    background-color: #4a4aef;
}

.step-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-top: 0;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.6;
}

/* ===================================== */
/* SEO & FAQ Section                     */
/* ===================================== */
.seo-faq-section {
    background-color: var(--background-color);
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.seo-faq-section .content-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.seo-faq-section h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 600;
}

.seo-faq-section p {
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 15px;
}

.seo-faq-section ul {
    font-size: 1rem;
    color: #555;
    line-height: 1.6;
    padding-left: 20px;
    margin-bottom: 15px;
}

.seo-faq-section ul li {
    margin-bottom: 10px;
}

.seo-faq-section ul li strong {
    color: var(--primary-color);
}

.key-takeaway {
    background-color: #f0f0f8;
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    font-style: italic;
    color: #444;
}

.faq-item {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.faq-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-top: 0;
    margin-bottom: 5px;
}

.related-tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-tools-list a {
    background-color: var(--secondary-color);
    border-radius: 50px;
    padding: 8px 18px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.related-tools-list a:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

/* ===================================== */
/* Responsive Design                     */
/* ===================================== */

/* Mobile devices (up to 767px) */
@media (max-width: 767px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .card-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .why-redact-section,
    .how-it-works-section,
    .seo-faq-section {
        padding: 40px 0;
    }

    .content-wrapper {
        margin: 20px auto;
        padding: 0 15px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        gap: 10px;
        padding: 15px;
    }

    .header h2 {
        margin-left: 0;
    }

    #controls {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }

    #controls button,
    .custom-file-upload {
        width: 0%;
        text-align: center;
        padding: 12px;
    }

    .viewer {
        padding: 10px;
    }
}

/* Tablets/iPads (768px to 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .content-wrapper {
        padding: 0 30px;
    }

    .section-title {
        font-size: 2.2rem;
    }
    
    .header {
        flex-wrap: wrap;
        height: auto;
        padding: 15px 20px;
    }
    
    .header h2 {
      margin-left: 0;
    }

    #controls {
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 15px;
    }
    
    #controls > * {
        flex: 1 1 auto;
        min-width: 120px;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktops and larger (1024px and up) */
@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

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