:root {
    --primary-color: #0078d4;
    --secondary-color: #005a9e;
    --light-gray: #f3f3f3;
    --dark-gray: #333333;
    --border-color: #cccccc;
    --sidebar-bg: #1a2942;
    --sidebar-text: #ffffff;
    --main-bg: #f9f9f9;
    --upload-bg: #2a3b55;
    --edit-highlight: #fff8e1;
    --edit-border: #ffc107;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0e1624;
    color: var(--dark-gray);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    height: 100vh;
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
}

h2 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* App Layout - Side by side */
.app-layout {
    display: flex;
    gap: 20px;
    height: calc(100vh - 40px);  /* Full height minus padding */
}

/* Sidebar Styles */
.sidebar {
    flex: 0 0 300px;
    background-color: var(--sidebar-bg);
    border-radius: 5px;
    padding: 20px;
    color: var(--sidebar-text);
    overflow-y: auto;
}

.sidebar-title {
    color: var(--sidebar-text);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.sidebar-text {
    color: #adb5bd;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Sample Files Display */
.sample-files {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sample-file {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 4px;
    background-color: #263450;
    cursor: pointer;
    transition: background-color 0.2s;
}

.sample-file:hover {
    background-color: #334666;
}

.file-icon {
    margin-right: 10px;
    font-size: 1.2rem;
}

.file-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

.file-view-btn, .file-download-btn {
    background: none;
    border: none;
    color: #adb5bd;
    cursor: pointer;
    padding: 3px;
    transition: color 0.2s;
}

.file-view-btn:hover, .file-download-btn:hover {
    color: #ffffff;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    overflow-y: auto;
}

.upload-section, .config-section {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

input[type="file"] {
    margin-bottom: 10px;
    width: 100%;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

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

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
}

.hidden {
    display: none !important;
}

#loadingIndicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 0;
}

.spinner {
    border: 5px solid var(--light-gray);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

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

#resultsSection {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 100%;
    overflow-x: auto; /* Enable horizontal scrolling if needed */
}

/* Add responsive table container */
#extractedData {
    width: 100%;
    overflow-x: auto; /* Enable horizontal scrolling for wide tables */
    margin-bottom: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    table-layout: auto; /* Allow table to adjust based on content */
    min-width: 100%; /* Ensure table takes full width of container */
}

th {
    background-color: var(--light-gray);
    font-weight: bold;
    white-space: nowrap; /* Prevent header text from wrapping */
    position: sticky;
    top: 0; /* Make headers sticky when scrolling vertically */
    cursor: grab; /* Indicate headers are draggable */
    user-select: none; /* Prevent text selection during drag */
}

th.draggable-header {
    cursor: grab; 
    position: relative;
}

th.draggable-header:hover::after {
    content: "↔";
    position: absolute;
    right: 5px;
    opacity: 0.5;
}

th.draggable-header:hover {
    background-color: #e0e0e0;
}

th.dragging {
    opacity: 0.5;
    background-color: #d0d0d0;
}

th.drag-over {
    border-left: 2px solid var(--primary-color);
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    max-width: 300px; /* Limit cell width to prevent extremely wide cells */
    overflow: hidden;
    text-overflow: ellipsis; /* Show ellipsis for overflowing text */
}

/* Editable table cell styles */
td[contenteditable="true"] {
    position: relative;
    transition: background-color 0.2s;
}

td[contenteditable="true"]:hover {
    background-color: #f5f5f5;
    cursor: text;
}

td[contenteditable="true"]:focus {
    background-color: var(--edit-highlight);
    outline: none;
    box-shadow: inset 0 0 0 2px var(--edit-border);
}

td[contenteditable="true"].editing {
    background-color: var(--edit-highlight);
}

td.edited {
    position: relative;
}

td.edited::after {
    content: '✎';
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 10px;
    color: var(--primary-color);
}

/* For very wide tables on small screens */
@media screen and (max-width: 768px) {
    th, td {
        padding: 8px 10px;
        font-size: 14px;
    }
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    background-color: var(--upload-bg);
    margin-bottom: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover, .upload-area.dragover {
    border-color: #007bff;
    background-color: #1e3355;
}

.upload-icon {
    margin-bottom: 15px;
}

.upload-icon svg {
    color: #adb5bd;
}

.upload-area p {
    color: #d1d1d1;
    margin: 8px 0;
    font-size: 16px;
}

.upload-divider {
    margin: 15px 0;
    color: #8a8a8a;
}

.select-btn {
    background-color: #007bff;
    border: none;
    color: white;
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.select-btn:hover {
    background-color: #0056b3;
}

/* Add these styles for the centered process button */

.process-button-container {
    display: flex;
    justify-content: center;
    gap: 15px; /* Add space between buttons */
    margin-top: 20px;
    margin-bottom: 20px;
}

.change-btn {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.change-btn:hover {
    background-color: #5a6268;
}

.change-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.process-btn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.process-btn:hover {
    background-color: #218838;
}

.process-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.selected-filename {
    margin-top: 10px;
    padding: 8px 12px;
    background-color: #f0f8ff;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    text-align: center;
    color: #333;
}