body {
    font-family: sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f8f9fa;
    color: #212529;
}

h1, h2 {
    color: #343a40;
}

input[type="url"], input[type="text"], textarea {
    padding: 8px;
    margin-right: 5px;
    border: 1px solid #ced4da;
    border-radius: 4px;
}

button {
    padding: 8px 15px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
}

button:hover {
    background-color: #0056b3;
}

#content-list div {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #dee2e6;
    background-color: #fff;
    border-radius: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px 10px;
}

#content-list .content-item > button {
    flex-shrink: 0;
    margin-right: 10px;
    align-self: flex-start;
}

.content-title-source {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 200px;
}

.content-title-source span {
    flex-grow: 1;
    margin: 0;
}

.content-source-link {
    font-size: 0.8em;
    white-space: nowrap;
    color: #6c757d;
    text-decoration: none;
}

.content-source-link:hover {
    text-decoration: underline;
}

.content-description {
    font-size: 0.9em;
    color: #6c757d;
    margin: 0;
    flex-basis: 100%;
    text-align: left;
}

.content-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    flex-basis: 100%;
    margin-top: 5px;
}

.keyword-tag {
    display: inline-block;
    background-color: #e7f3ff;
    color: #0056b3;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.85em;
    border: 1px solid #b3d7ff;
}

/* Search and Filter Section */
#search-filter-section {
    background-color: #f0f0f0;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 15px;
}

#search-box-container {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    align-items: center;
}

#search-input {
    flex-grow: 1;
    max-width: 500px;
}

#keyword-filter-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#keyword-filter-header {
    display: flex;
    align-items: center;
}

#toggle-keyword-filters {
    background-color: #6c757d;
    font-size: 0.9em;
}

#toggle-keyword-filters:hover {
    background-color: #5a6268;
}

#keyword-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    transition: max-height 0.3s ease-out;
    overflow: hidden;
}

#keyword-filter-buttons.hidden {
    display: none;
}

#upload-audio-form-container {
    margin-top: 15px;
}

#upload-audio-form-container.hidden {
    display: none;
}

/* Drag and Drop Zone */
.drop-zone {
    position: relative;
    border: 2px dashed #ced4da;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
}

.drop-zone:hover {
    border-color: #007bff;
    background-color: #e7f3ff;
}

.drop-zone.drag-over {
    border-color: #007bff;
    background-color: #cce5ff;
    border-style: solid;
}

.drop-zone-text {
    margin: 0 0 10px 0;
    color: #6c757d;
    font-size: 0.95em;
}

.drop-zone input[type="file"] {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.drop-zone.has-file {
    border-color: #28a745;
    background-color: #d4edda;
}

.drop-zone.has-file .drop-zone-text {
    color: #155724;
    font-weight: 500;
}

#toggle-upload-audio {
    background-color: #6c757d;
    font-size: 0.9em;
}

#toggle-upload-audio:hover {
    background-color: #5a6268;
}

.keyword-filter-btn {
    background-color: #e7f3ff;
    color: #0056b3;
    border: 2px solid #b3d7ff;
    padding: 5px 12px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
}

.keyword-filter-btn:hover {
    background-color: #cce5ff;
}

.keyword-filter-btn.active {
    background-color: #0056b3;
    color: white;
    border-color: #004085;
}

.consumed-true {
    opacity: 0.6;
}

#add-message, #notes-message {
    margin-top: 10px;
    font-style: italic;
}

#article-content {
    line-height: 1.6;
    margin-top: 20px;
}

/* Basic Dark Mode */
body.dark-mode {
    background-color: #212529;
    color: #f8f9fa;
}

body.dark-mode h1,
body.dark-mode h2 {
    color: #e9ecef;
}

body.dark-mode input[type="url"],
body.dark-mode input[type="text"],
body.dark-mode textarea {
    background-color: #495057;
    color: #f8f9fa;
    border-color: #6c757d;
}

body.dark-mode #content-list div {
    background-color: #343a40;
    border-color: #495057;
}

body.dark-mode #content-list a {
    color: #6cb2eb;
}

body.dark-mode button {
    background-color: #17a2b8;
}

body.dark-mode button:hover {
    background-color: #117a8b;
}

body.dark-mode .content-source-link {
    color: #adb5bd;
}

body.dark-mode .content-description {
    color: #adb5bd;
}

body.dark-mode .keyword-tag {
    background-color: #1e3a5f;
    color: #90caf9;
    border-color: #2c5282;
}

body.dark-mode #search-filter-section {
    background-color: #343a40;
}

body.dark-mode .keyword-filter-btn {
    background-color: #1e3a5f;
    color: #90caf9;
    border-color: #2c5282;
}

body.dark-mode .keyword-filter-btn:hover {
    background-color: #2c5282;
}

body.dark-mode .keyword-filter-btn.active {
    background-color: #17a2b8;
    color: white;
    border-color: #117a8b;
}

body.dark-mode #toggle-keyword-filters {
    background-color: #6c757d;
}

body.dark-mode #toggle-keyword-filters:hover {
    background-color: #5a6268;
}

body.dark-mode #toggle-upload-audio {
    background-color: #6c757d;
}

body.dark-mode #toggle-upload-audio:hover {
    background-color: #5a6268;
}

/* Dark mode drag and drop zone */
body.dark-mode .drop-zone {
    background-color: #343a40;
    border-color: #6c757d;
}

body.dark-mode .drop-zone:hover {
    border-color: #17a2b8;
    background-color: #1e3a5f;
}

body.dark-mode .drop-zone.drag-over {
    border-color: #17a2b8;
    background-color: #2c5282;
}

body.dark-mode .drop-zone-text {
    color: #adb5bd;
}

body.dark-mode .drop-zone.has-file {
    border-color: #28a745;
    background-color: #1e4620;
}

body.dark-mode .drop-zone.has-file .drop-zone-text {
    color: #7dce82;
}

/* --- Sticky Navbar for Reader --- */
.reader-page > nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #f8f9fa;
    padding: 10px 20px;
    border-bottom: 1px solid #dee2e6;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.reader-page {
    padding-top: 70px;
}
/* ----------------------------- */

/* Dark mode sticky nav background */
body.dark-mode.reader-page > nav {
    background-color: #212529;
    border-bottom-color: #495057;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Add styles for reader page images */
#article-content img {
  max-width: 100%; /* Ensures image doesn't overflow container */
  height: auto;    /* Maintains aspect ratio */
  display: block;  /* Optional: prevents extra space below inline images */
  margin: 1em 0;   /* Optional: adds some vertical space around images */
}

/* Lighter link color for reader content in dark mode */
body.dark-mode.reader-page #article-content a {
  color: #90caf9; /* Lighter blue for better contrast */
}

/* Color for visited links in reader content dark mode */
body.dark-mode.reader-page #article-content a:visited {
  color: #ce93d8; /* Light purple for visited links */
}