:root {
    --primary-color: #4361ee;
    --primary-hover: #3a56d4;
    --success-color: #4cc9f0;
    --success-hover: #38b6db;
    --danger-color: #f72585;
    --danger-hover: #e5177b;
    --text-color: #2b2d42;
    --text-light: #8d99ae;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Annotation View Styles */
.annotation-container {
    display: flex;
    height: calc(100vh - 64px);
    width: 100%;
}

/* Annotation View Styles */
.annotation-container {
    display: flex;
    height: calc(100vh - 64px); 
    width: 100%;
}

.images-list {
    width: 200px;
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.images-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0; 
}

.images-header h2 {
    font-size: 1rem;
    font-weight: 600;
}

.thumbnails {
    flex: 1;
    overflow-y: auto; /* Enables scrolling for the table */
    padding: 0; 
}

.thumbnail-table {
    width: 100%;
    border-collapse: collapse;
}

.thumbnail-row {
    cursor: pointer;
    transition: var(--transition);
}

.thumbnail-row:hover {
    background: var(--bg-color);
}

.thumbnail-row.selected {
    background-color: rgba(67, 97, 238, 0.1);
    border-left: 3px solid var(--primary-color);
}

.thumbnail-id {
    width: 40px; 
    padding: 8px;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    background: rgba(0, 0, 0, 0.1);
}

.thumbnail-row.selected .thumbnail-id {
    background: var(--primary-color);
    color: white;
}

.thumbnail-image {
    padding: 8px;
}

.thumbnail-image img {
    width: 100%;
    height: 60px;
    object-fit: cover;
    object-position: center;
    border-radius: 4px;
    transition: var(--transition);
}

.thumbnail-row:hover .thumbnail-image img {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.thumbnail-row.selected .thumbnail-image img {
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

/* Selected image styling */
.thumbnail img.selected {
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

/* Hover effect for non-selected thumbnails */
.thumbnail:not(.selected):hover img {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.thumbnail.selected {
    background-color: rgba(67, 97, 238, 0.1);
    border-left: 3px solid var(--primary-color);
}

.thumbnail.selected .thumbnail-id {
    background: var(--primary-color);
}

.labeling-area {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.image-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.image-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    overflow: hidden;
    position: relative;
}

.image-info {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 0.75rem;
    text-align: center;
    z-index: 10;
}

#labeling-canvas {
    max-width: 100%;
    max-height: 100%;
    display: flex;
}

.canvas-controls {
    position: absolute;
    right: 8px; /* Close to the right border; adjust as needed */
    top: 50%; /* Center vertically */
    transform: translateY(-50%); /* Adjust to truly center the controls */
    display: flex;
    flex-direction: column; /* Stack buttons vertically */
    gap: 8px; /* Space between buttons */
    background: rgba(255, 255, 255, 0.9); /* Optional: semi-transparent background */
    padding: 8px; /* Optional: padding for aesthetics */
    border-radius: 8px; /* Optional: rounded corners */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Optional: subtle shadow */
    z-index: 10; /* Ensure it’s above the canvas */
}

.control-btn {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
    padding: 8px;
    font-size: 16px;
}

.layout-btn {
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color);
}

.layout-btn:hover {
    background: var(--primary-hover);
    color: white;
    border-color: var(--primary-color);
}

.layout-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.control-btn:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.control-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.control-btn i {
    font-size: 14px;
}

.ai-options {
    width: 240px;
    background: var(--card-bg);
    border-left: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
}

.ai-options h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.ai-btn {
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 8px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    text-align: left;
    transition: var(--transition);
}

.ai-btn:hover {
    background: rgba(67, 97, 238, 0.1);
    border-color: var(--primary-color);
}

.control-panel {
    height: 100px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.class-selector select {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    min-width: 200px;
    transition: var(--transition);
}

.class-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.approve-btn {
    padding: 8px 16px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}
  
.approve-btn:hover {
    background: var(--success-hover);
    box-shadow: var(--shadow-hover);
}

/* Grid View Styles */
.grid-view {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.grid-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.grid-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.grid-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.grid-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    min-width: 160px;
    box-shadow: var(--shadow-hover);
    border-radius: 8px;
    overflow: hidden;
    z-index: 10;
}

.dropdown-content a {
    display: block;
    padding: 8px 16px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.dropdown-content a:hover {
    background: var(--bg-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.card-image-container {
    position: relative;
    overflow: hidden;
}

.card-image-container img {
    width: 100%;
    height: 20vh;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.grid-card:hover .card-image-container img {
    transform: scale(1.05);
}

.annotated-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: var(--shadow);
}

.card-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.image-id {
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-date {
    color: var(--text-light);
    font-size: 0.75rem;
}

.image-status, .list-table td[data-annotated] {
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    align-self: flex-start;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.image-status[data-annotated="true"], .list-table td[data-annotated="true"] {
    background: rgba(76, 201, 240, 0.1);
    color: var(--success-color);
}

.image-status[data-annotated="false"], .list-table td[data-annotated="false"] {
    background: rgba(255, 165, 0, 0.1); /* Light orange */
    color: #e67e22; /* Dark orange */
}

/* Add checkmark pseudo-element for list view */
.list-table td[data-annotated="true"]::before {
    content: '\f00c'; /* Font Awesome check icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--success-color);
    margin-right: 4px;
}

/* List View Styles */
.list-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.list-table th {
    background: var(--bg-color);
    padding: 12px 16px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.list-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.list-table tr:last-child td {
    border-bottom: none;
}

.list-table tr:hover {
    background: var(--bg-color);
}

.list-table img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

/* Save Modal Styles */
#save-modal {
    display: none; 
    position: fixed;
    top: 20px; 
    left: 50%; 
    transform: translateX(-50%);
    width: 40vh;
    height: auto;
    background: none; 
    pointer-events: none; 
    z-index: 1000; 
}

.modal-content {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    transform-origin: center; /* Added for modal scale animation */
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#save-modal .modal-content {
    display: flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, #ffffff 0%, #e8f5e9 100%); 
    border-radius: 12px;
    padding: 15px 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); 
    border: 1px solid #4CAF50; 
    animation: slideInFadeOut 3s ease forwards; 
    pointer-events: auto; 
    max-width: 350px;
    height: auto;
}
  
.save-icon {
    width: 24px;
    height: 24px;
}
  
.save-message {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--success-color);
}
  
.checkmark-circle {
    stroke: var(--success-color);
    stroke-width: 2;
    stroke-linecap: round;
    opacity: 0;
    animation: fillCircle 0.4s ease-in-out 0.4s forwards;
}
  
.checkmark-check {
    stroke: var(--success-color);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: strokeCheck 0.5s ease-in-out 0.8s forwards;
}
  
/* View Transitions */
.view-container {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    visibility: hidden;
    position: absolute;
    width: 100%;
    height: 100%;
}

.view-container.show {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.view-container.hide {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

/* Animations */
@keyframes slideInFadeOut {
    0% {
        opacity: 0;
        transform: translateY(-20px) translateX(-50%);
    }

    20% {
        opacity: 1;
        transform: translateY(0) translateX(-50%);
    }

    80% {
        opacity: 1;
        transform: translateY(0) translateX(-50%);
    }

    100% {
        opacity: 0;
        transform: translateY(-20px) translateX(-50%);
    }
}

@keyframes fillCircle {
    0% {
        stroke-dasharray: 166;
        stroke-dashoffset: 166;
        opacity: 0;
    }

    100% {
        stroke-dasharray: 166;
        stroke-dashoffset: 0;
        opacity: 1;
    }
}

@keyframes strokeCheck {
    0% {
        stroke-dashoffset: 48;
    }

    100% {
        stroke-dashoffset: 0;
    }
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .annotation-container {
        flex-direction: column;
    }

    .images-list {
        width: 100%;
        height: auto;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .thumbnails {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .ai-options {
        width: 100%;
        height: auto;
        max-height: 150px;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

.shortcuts-legend {
    background: #e8f0fe; 
    padding: 10px;
    border-bottom: 2px solid #d3d3d3;
    font-size: 12px;
    color: #333;
}

.shortcuts-legend h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: bold;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    background: #e0e0e0;
    border-radius: 4px;
    margin-right: 5px;
    padding: 0 4px;
    font-weight: bold;
    color: #555;
}

.legend-key i {
    font-size: 14px;
}

.legend-desc {
    flex: 1;
}

.legend-key.ctrl { background: #f0e68c; }
.legend-key.shift { background: #98fb98; }
.legend-key.alt { background: #dda0dd; }
.legend-key.mouse-left { background: #add8e6; }
.legend-key.mouse-right { background: #ffb6c1; }
.legend-key.wheel { background: #d3d3d3; }

.shortcuts-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    width: 250px;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2);
    z-index: 10;
    transition: height 0.3s ease;
    overflow: hidden;
}

.shortcuts-toggle {
    width: 100%;
    padding: 10px;
    background: #4c9cf0;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    display: block;
}

.shortcuts-toggle:hover {
    background: #357abd;
}

.shortcuts-content {
    padding: 10px;
    max-height: calc(100% - 40px);
    overflow-y: auto;
    display: block;
}

.shortcuts-sidebar.collapsed {
    height: 30px;
}

.shortcuts-sidebar.collapsed .shortcuts-content {
    display: none;
}

.shortcuts-list .shortcut-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    font-size: 12px;
    color: #333;
}

.shortcuts-list .shortcut-item:last-child {
    border-bottom: none;
}

.shortcut-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    background: #e0e0e0;
    border-radius: 4px;
    margin-right: 5px;
    padding: 0 4px;
    font-weight: bold;
    color: #555;
}

.shortcut-key i {
    font-size: 14px;
}

.shortcut-desc {
    flex: 1;
}

.shortcut-key.ctrl { background: #f0e68c; }
.shortcut-key.shift { background: #98fb98; }
.shortcut-key.alt { background: #dda0dd; }
.shortcut-key.mouse-left { background: #add8e6; }
.shortcut-key.mouse-right { background: #ffb6c1; }
.shortcut-key.wheel { background: #d3d3d3; }
