/* ============================================
   COMPONENTS CSS
   Componentes reutilizables
   ============================================ */

/* Project Selector */
.project-selector {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9em;
    min-width: 200px;
}

.project-selector option {
    background: var(--dark);
    color: var(--white);
}

/* Storage Indicator */
.storage-indicator {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.95);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.storage-indicator:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.35);
}

.storage-indicator i {
    font-size: 0.9em;
    opacity: 0.8;
}

.storage-indicator span {
    font-weight: 500;
    font-family: 'Courier New', monospace;
}

/* Connector Status Indicator */
.connector-status {
    background: rgba(46, 204, 113, 0.15);
    border: 1px solid rgba(46, 204, 113, 0.4);
    color: #2ecc71;
    padding: 8px;
    border-radius: 6px;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.connector-status.disconnected {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid rgba(231, 76, 60, 0.4);
    color: #e74c3c;
}

.connector-status.disconnected:hover {
    background: rgba(231, 76, 60, 0.25);
    border-color: rgba(231, 76, 60, 0.5);
}

.connector-status:hover {
    background: rgba(46, 204, 113, 0.25);
    border-color: rgba(46, 204, 113, 0.5);
}

.connector-status i {
    animation: pulse 2s infinite;
}

.connector-status.disconnected i {
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Botones Header - VSCode Flat Style */
.btn-header {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 36px;
    height: 36px;
}

.btn-header:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-header:active:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(1px);
}

.btn-header:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Icon Only Buttons - More compact, slightly visible */
.btn-icon-only {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px;
    min-width: 32px;
    height: 32px;
}

.btn-icon-only:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.18);
}

/* Ghost Buttons - No background or border (for help, shortcuts, language, github) */
.btn-icon-ghost {
    background: transparent;
    border: none;
    padding: 6px;
    min-width: 32px;
    height: 32px;
}

.btn-icon-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* Language Selector - Match ghost button style */
.language-selector-btn {
    min-width: 32px !important;
    height: 32px !important;
    padding: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: transparent !important;
    border: none !important;
}

.language-selector-btn:hover {
    background: rgba(255, 255, 255, 0.12) !important;
}

.language-selector-btn .flag {
    font-size: 1.2em !important;
}

/* Botones Generales */
.btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8em;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    text-align: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8em;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--success);
    color: var(--white);
}

.btn-success:hover:not(:disabled) {
    background: var(--success-dark);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-dark);
}

.btn-warning {
    background: var(--warning);
    color: var(--white);
}

.btn-info {
    background: var(--info);
    color: var(--white);
}

.btn-info:hover:not(:disabled) {
    background: var(--info-dark);
}

.btn-secondary {
    background: var(--gray);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
}

.btn-group {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

/* Herramientas de Anotación */
.tool-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 8px;
}

.tool-btn {
    padding: 8px;
    border: 2px solid var(--border);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.8em;
}

.tool-btn i {
    font-size: 1.5em;
    color: var(--dark);
}

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

.tool-btn.active i {
    color: var(--white);
}

.tool-btn:hover:not(.active) {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
}

/* Selector de Clases */
.class-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.class-item {
    padding: 8px 10px;
    border: 2px solid var(--border);
    background: var(--white);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85em;
}

.class-item:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.class-item.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.class-item.highlighted {
    border-color: #fbbf24;
    border-width: 3px;
    background: rgba(251, 191, 36, 0.1);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.2);
}

.class-item.highlighted.active {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.3);
}

.class-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 2px solid var(--border);
    flex-shrink: 0;
}

.class-item.active .class-color {
    border-color: var(--white);
}

.class-name {
    flex: 1;
}

.class-count {
    background: var(--gray-light);
    color: var(--dark);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75em;
    font-weight: 600;
}

.class-item.active .class-count {
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.class-delete {
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.class-delete:hover {
    background: var(--danger);
    color: var(--white);
}

.class-edit {
    background: transparent;
    border: none;
    color: var(--info);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.class-edit:hover {
    background: var(--info);
    color: var(--white);
}

/* Gestión de Clases */
.class-manager {
    background: var(--gray-light);
    padding: 12px;
    border-radius: 8px;
}

.class-input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.class-input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85em;
}

.class-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.color-input {
    width: 50px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
}

.class-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    background: var(--white);
    border-radius: 6px;
    margin-bottom: 6px;
}

.class-item-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.class-item-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border);
}

.class-item-name {
    font-weight: 600;
    font-size: 0.85em;
}

.class-item-id {
    background: var(--gray);
    color: var(--white);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7em;
    font-weight: 600;
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.9em;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9em;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px 12px;
    padding-right: 40px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    font-size: 0.9em;
}

/* File Upload */
.file-upload {
    position: relative;
    overflow: hidden;
}

.file-upload input[type="file"] {
    position: absolute;
    left: -9999px;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
    font-size: 0.9em;
}

.file-upload-label:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.file-upload-label i {
    font-size: 1.5em;
    color: var(--primary);
}

/* Drag and Drop */
.drop-zone {
    border: 3px dashed var(--border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    background: var(--white);
}

.drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.drop-zone i {
    font-size: 3em;
    color: var(--primary);
    margin-bottom: 15px;
}

.drop-zone-text {
    font-size: 1.1em;
    color: var(--dark);
    margin-bottom: 8px;
}

.drop-zone-subtext {
    font-size: 0.85em;
    color: var(--gray);
}

/* Keyboard Shortcuts */
.shortcuts-list {
    display: grid;
    gap: 8px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--gray-light);
    border-radius: 6px;
}

.shortcut-key {
    background: var(--dark);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.85em;
    font-weight: 600;
}

/* Estadísticas */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 8px;
}

.stat-card {
    background: var(--gray-light);
    padding: 8px 6px;
    border-radius: 6px;
    text-align: center;
}

.stat-value {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 3px;
}

.stat-label {
    font-size: 0.7em;
    color: var(--gray);
    font-weight: 500;
    text-transform: uppercase;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--gray-light);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 4px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.75em;
    color: var(--gray);
    text-align: center;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty messages */
.empty-message {
    text-align: center;
    padding: 20px;
    color: var(--gray);
    font-style: italic;
    font-size: 0.9em;
}
.brush-slider {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    outline: none;
}

.brush-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #667eea;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.brush-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #667eea;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.brush-slider:hover::-webkit-slider-thumb {
    background: #5568d3;
}

.brush-slider:hover::-moz-range-thumb {
    background: #5568d3;
}

#btnEraseMode.active {
background: #e74c3c !important;
color: white;
}

.mask-control-label i {
    color: #667eea;
    margin-right: 5px;
}

/* Project Type Selector Cards */
.project-type-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 450px;
    overflow-y: auto;
    padding: 4px;
}

.project-type-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.project-type-card:hover {
    border-color: var(--primary);
    background: #f8f9fa;
    box-shadow: 0 2px 8px rgba(103, 126, 234, 0.15);
}

.project-type-card input[type="radio"] {
    margin-top: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.project-type-card input[type="radio"]:checked ~ .type-card-content {
    color: var(--primary);
}

.project-type-card input[type="radio"]:checked ~ .type-card-content .type-name {
    color: var(--primary);
}

.type-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.type-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.type-name {
    font-size: 1.05em;
    font-weight: 600;
    color: var(--dark);
}

.type-difficulty {
    font-size: 0.75em;
    font-weight: 600;
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-description {
    margin: 0;
    font-size: 0.9em;
    color: var(--gray-dark);
    line-height: 1.4;
}

.type-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}

.type-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85em;
    color: #555;
}

.type-detail-item i {
    margin-top: 2px;
    flex-shrink: 0;
}

.type-detail-item span {
    line-height: 1.4;
}

.form-helper-text {
    margin: 0;
    padding: 0;
    font-size: 0.9em;
    color: #666;
}

/* Compact Project Type Grid Layout */
.project-type-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.project-type-card-compact {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
    position: relative;
    overflow: hidden;
}

/* Subtle color background using data attribute */
.project-type-card-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.project-type-card-compact:hover::before {
    opacity: 0.05;
}

.project-type-card-compact:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.project-type-card-compact input[type="radio"] {
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

/* Icon styling */
.type-card-icon {
    font-size: 1.8em;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: currentColor;
    background-clip: content-box;
    opacity: 0.15;
    border-radius: 8px;
    padding: 8px;
    transition: all 0.2s ease;
}

.type-card-icon i {
    position: relative;
    z-index: 1;
    opacity: 1;
}

.project-type-card-compact:has(input[type="radio"]:checked) .type-card-icon {
    opacity: 1;
    background: linear-gradient(135deg, currentColor 0%, currentColor 100%);
    color: white;
    transform: scale(1.05);
}

.project-type-card-compact:has(input[type="radio"]:checked) .type-card-icon i {
    color: white;
}

/* Selected state */
.project-type-card-compact:has(input[type="radio"]:checked) {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), 0 4px 12px rgba(102, 126, 234, 0.2);
}

.project-type-card-compact:has(input[type="radio"]:checked) .type-name {
    color: var(--primary);
}

.type-card-compact-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.type-card-compact-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.type-name {
    font-size: 0.95em;
}

.type-difficulty-badge {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.type-description-compact {
    margin: 0;
    font-size: 0.85em;
    color: var(--gray-dark);
    line-height: 1.4;
}

/* Disabled project type styles */
.project-type-card-compact.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--gray-lighter);
}

.project-type-card-compact.disabled:hover {
    border-color: var(--gray-light);
    transform: none;
    box-shadow: none;
}

.project-type-card-compact.disabled:hover::before {
    opacity: 0;
}

.project-type-card-compact.disabled input[type="radio"] {
    cursor: not-allowed;
}

.project-type-card-compact.disabled .type-card-icon {
    opacity: 0.3;
}

.project-type-card-compact.disabled .type-name,
.project-type-card-compact.disabled .type-description-compact {
    color: var(--gray);
}

/* Dimension Mode Options */
.dimension-mode-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    border: 2px solid var(--gray-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.dimension-mode-option:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.dimension-mode-option input[type="radio"] {
    cursor: pointer;
}

.dimension-mode-option input[type="radio"]:checked + div {
    color: var(--primary);
    font-weight: 600;
}

.dimension-mode-option div {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9em;
}

.dimension-mode-option i {
    font-size: 1.1em;
}

/* ============================================
   CLASSIFICATION UI
   ============================================ */

.classification-ui {
    display: flex;
    width: 100%;
    height: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.classification-image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-lighter);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    min-height: 400px;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

.classification-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: none;
}

.classification-no-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--gray);
    text-align: center;
}

.classification-no-image i {
    opacity: 0.3;
}

.classification-no-image p {
    margin: 0;
    font-size: 1.1em;
    opacity: 0.6;
}

/* Labels overlay on image */
.classification-labels-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

/* Single label corner badge */
.classification-label-corner {
    padding: 10px 20px;
    border-radius: 0 0 8px 0;
    color: white;
    font-weight: 600;
    font-size: 1.1em;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    animation: fadeInSlide 0.3s ease;
    position: absolute;
    top: 0;
    left: 0;
}

/* Multiple labels corner container */
.classification-labels-corner {
    display: flex;
    flex-direction: column;
    gap: 4px;
    animation: fadeInSlide 0.3s ease;
}

.classification-label-tag {
    padding: 6px 14px;
    border-radius: 4px;
    color: white;
    font-weight: 600;
    font-size: 0.9em;
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    display: inline-block;
}

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

/* Deprecated badge style - keeping for backwards compatibility */
.classification-label-badge {
    padding: 8px 16px;
    border-radius: 20px;
    color: white;
    font-weight: 600;
    font-size: 1em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    animation: fadeInScale 0.3s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   EXPORT MODAL
   ============================================ */

.export-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.export-card {
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
    background: white;
}

.export-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.export-card.full-width {
    grid-column: 1 / -1;
}

/* In code mode, adjust card padding and overflow */
.modal.code-mode .export-card-training {
    padding: 16px;
    overflow: visible;
}

.modal.code-mode .export-card-training .export-card-header,
.modal.code-mode .export-card-training .export-card-description {
    padding: 0 4px;
}

.export-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.export-card-header i {
    font-size: 1.5em;
    color: var(--primary);
}

.export-card-header h4 {
    margin: 0;
    font-size: 1.1em;
    color: var(--dark);
}

.export-card-description {
    margin: 0 0 16px 0;
    font-size: 0.9em;
    color: var(--gray-dark);
    line-height: 1.4;
}

.export-card-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.export-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 0.9em;
    cursor: pointer;
}

.export-option input[type="checkbox"] {
    cursor: pointer;
}

/* Responsive: single column on small screens */
@media (max-width: 768px) {
    .export-options {
        grid-template-columns: 1fr;
    }
}

/* Export Tabs */
.export-tabs {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    border-bottom: 2px solid var(--border);
}

.export-tab {
    background: transparent;
    border: none;
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    color: var(--gray-dark);
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: -2px;
}

.export-tab:hover {
    color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.export-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

.export-tab-content {
    display: none;
    padding: 16px 0;
}

.export-tab-content.active {
    display: block;
}

/* Code Generator */
.code-generator {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Connector Check */
.connector-check {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.connector-check-icon {
    font-size: 48px;
    color: #667eea;
    margin-bottom: 16px;
    animation: pulse 2s infinite;
}

.connector-check-icon.success {
    color: #2ecc71;
    animation: none;
}

.connector-check-icon.error {
    color: #e74c3c;
    animation: none;
}

.connector-check-message {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

.connector-check-action {
    margin-top: 16px;
}

/* Three column layout in code mode: config spans 2 cols, code takes 1 col */
.modal.code-mode .code-generator {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 12px;
    max-height: calc(90vh - 200px);
    width: 100%;
    box-sizing: border-box;
}

.modal.code-mode .code-config {
    grid-column: 1 / 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 6px;
    align-content: start;
    min-width: 0;
}

/* Each section takes full width within config area */
.modal.code-mode .code-config > * {
    grid-column: span 2;
}

/* Custom scrollbar for code config in code mode */
.modal.code-mode .code-config::-webkit-scrollbar {
    width: 6px;
}

.modal.code-mode .code-config::-webkit-scrollbar-track {
    background: var(--light);
    border-radius: 4px;
}

.modal.code-mode .code-config::-webkit-scrollbar-thumb {
    background: var(--gray);
    border-radius: 4px;
}

.modal.code-mode .code-config::-webkit-scrollbar-thumb:hover {
    background: var(--dark);
}

.modal.code-mode .code-preview-container {
    grid-column: 3;
    grid-row: 1 / -1;
    height: calc(90vh - 200px);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    min-width: 0;
    overflow: hidden;
}

.modal.code-mode .code-preview {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    max-height: none;
}

.code-config {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.config-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    min-width: 0;
}

.config-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.config-item .form-control,
.config-item .form-select {
    min-width: 0;
}

.config-item .form-label {
    font-size: 0.85em;
    font-weight: 600;
    margin: 0;
}

/* Code Preview Terminal Style */
.code-preview-container {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.code-preview-header {
    background: #2d2d30;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #3e3e42;
}

.code-preview-title {
    color: #cccccc;
    font-size: 0.85em;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-preview-title i {
    color: #4ec9b0;
}

.code-preview-actions {
    display: flex;
    gap: 4px;
}

.btn-icon {
    background: transparent;
    border: 1px solid #3e3e42;
    color: #cccccc;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-icon:hover {
    background: #3e3e42;
    border-color: #569cd6;
    color: #569cd6;
}

.code-preview {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 16px;
    margin: 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85em;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
    overflow-x: auto;
}

.code-preview code {
    color: #d4d4d4;
}

/* Syntax highlighting colors (VS Code Dark+ theme) */
.code-preview {
    /* Comments */
    --code-comment: #6a9955;
    /* Strings */
    --code-string: #ce9178;
    /* Keywords */
    --code-keyword: #569cd6;
    /* Numbers */
    --code-number: #b5cea8;
    /* Functions */
    --code-function: #dcdcaa;
}

/* Scrollbar styling for code preview */
.code-preview::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.code-preview::-webkit-scrollbar-track {
    background: #2d2d30;
}

.code-preview::-webkit-scrollbar-thumb {
    background: #424242;
    border-radius: 4px;
}

.code-preview::-webkit-scrollbar-thumb:hover {
    background: #4e4e4e;
}

/* Advanced Options Accordion */
.config-accordion {
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.config-accordion-toggle {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface);
    border: none;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    color: var(--dark);
    transition: all 0.2s ease;
}

.config-accordion-toggle:hover {
    background: var(--light);
}

.config-accordion-toggle i {
    font-size: 0.85em;
    transition: transform 0.3s ease;
    color: var(--primary);
}

.config-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: white;
}

/* In code mode, always show advanced options */
.modal.code-mode .config-accordion {
    border: none;
    margin-top: 12px;
}

.modal.code-mode .config-accordion-toggle {
    display: none;
}

.modal.code-mode .config-accordion-content {
    max-height: none !important;
    overflow: visible;
}

.config-section {
    padding: 16px;
    border-bottom: 1px solid var(--light);
    min-width: 0;
    box-sizing: border-box;
}

.config-section:last-child {
    border-bottom: none;
}

/* In code mode, add visual separation */
.modal.code-mode .config-section {
    padding: 10px;
    margin-bottom: 6px;
    background: white;
    border-radius: 6px;
    border: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    min-width: 0;
    box-sizing: border-box;
    width: 100%;
}

.modal.code-mode .config-section:last-child {
    margin-bottom: 0;
}

.config-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 12px 0;
    font-size: 0.9em;
    font-weight: 600;
    color: var(--dark);
}

.config-section-title i {
    color: var(--primary);
    font-size: 1.1em;
}

.config-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 6px;
    min-width: 0;
}

.modal.code-mode .config-checkboxes {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
    border-radius: 4px;
    min-width: 0;
    word-break: break-word;
}

.checkbox-label:hover {
    background: var(--light);
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.checkbox-label span {
    font-size: 0.9em;
    color: var(--dark);
}

/* Help Icon Tooltips - Tippy.js handles the tooltip rendering */
.help-icon {
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    cursor: help;
    color: var(--primary);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.help-icon:hover {
    opacity: 1;
}

.help-icon i {
    font-size: 0.9em;
}

.checkbox-label {
    cursor: pointer;
}

.config-section-title .help-icon {
    margin-left: 8px;
    font-size: 0.9em;
}

/* ============================================
   KEYPOINTS PROGRESS PANEL
   ============================================ */

.keypoint-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.keypoint-progress-header h3 {
    margin: 0;
    flex: 1;
}

.keypoint-progress-header .btn-sm {
    padding: 6px 12px;
    font-size: 0.85em;
}

#keypointProgressContent {
    max-height: 400px;
    overflow-y: auto;
}

.keypoint-instance-info {
    background: var(--gray-light);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.keypoint-instance-label {
    font-weight: 600;
    color: var(--dark);
}

.keypoint-instance-class {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    color: white;
    font-weight: 500;
}

.keypoint-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.keypoint-item {
    display: flex;
    align-items: center;
    padding: 8px;
    border-radius: 6px;
    transition: background 0.2s ease;
    cursor: pointer;
}

.keypoint-item:hover {
    background: var(--gray-light);
}

.keypoint-item.current {
    background: var(--primary-light);
    border-left: 3px solid var(--primary);
    font-weight: 600;
}

.keypoint-item.completed {
    background: var(--success-light);
}

.keypoint-checkbox {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.keypoint-name {
    flex: 1;
    font-size: 0.9em;
}

.keypoint-visibility {
    font-size: 0.75em;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--gray);
    color: white;
}

.keypoint-visibility.visible {
    background: var(--success);
}

.keypoint-visibility.occluded {
    background: var(--warning);
}

.keypoint-visibility.not-labeled {
    background: var(--gray);
}

.keypoint-progress-stats {
    margin-top: 12px;
    padding: 10px;
    background: var(--info-light);
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--dark);
    text-align: center;
}

.keypoint-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--gray-light);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 6px;
}

.keypoint-progress-fill {
    height: 100%;
    background: var(--success);
    transition: width 0.3s ease;
}