* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    min-height: 100vh;
}

/* Başlık Bölümü */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 2px solid #e0e0e0;
    margin-bottom: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.car-icon {
    font-size: 32px;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
}

.header-right {
    font-size: 18px;
    font-weight: 600;
    color: #7f8c8d;
}

.reference-number {
    background-color: #ecf0f1;
    padding: 8px 16px;
    border-radius: 4px;
}

/* Görünüm Sekmeleri */
.view-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    border: 2px solid #3498db;
    background-color: #fff;
    color: #3498db;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background-color: #ebf5fb;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.2);
}

.tab-btn.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* Araç Görseli Konteyneri */
.car-image-container {
    position: relative;
    width: 100%;
    min-height: 400px;
    background-color: #fafafa;
    border: 2px dashed #ddd;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
}

#carCanvas {
    max-width: 100%;
    max-height: 600px;
    display: block;
    cursor: crosshair;
}

.image-loading {
    color: #7f8c8d;
    font-size: 18px;
    padding: 40px;
}

.image-error {
    color: #e74c3c;
    font-size: 16px;
    padding: 40px;
    text-align: center;
}

/* Parça Listesi Bölümü */
.parts-section {
    margin-top: 30px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.parts-list h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.parts-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.part-item {
    background-color: #fff;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.part-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.part-item.part-selected {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.part-name {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 12px;
    color: #2c3e50;
}

.part-status {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.status-radio {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    padding: 6px 12px;
    border: 2px solid #ddd;
    border-radius: 4px;
    transition: all 0.2s ease;
    background-color: #fff;
}

.status-radio:hover {
    border-color: var(--color);
    background-color: rgba(0, 0, 0, 0.02);
}

.status-radio.active {
    border-color: var(--color);
    background-color: var(--color);
    color: #fff;
}

.status-radio input[type="radio"] {
    display: none;
}

.radio-label {
    font-size: 14px;
    font-weight: 500;
    user-select: none;
}

.part-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

.action-checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    gap: 6px;
}

.action-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #9b59b6;
}

.local-paint-hint {
    font-size: 0.75rem;
    color: #b45309;
    margin-left: 0.25rem;
}

/* Mod Seçici */
.mode-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.mode-btn {
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    border: 2px solid #95a5a6;
    background-color: #fff;
    color: #7f8c8d;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    background-color: #ecf0f1;
    border-color: #7f8c8d;
}

.mode-btn.active {
    background-color: #27ae60;
    color: #fff;
    border-color: #27ae60;
}

/* Parça Tanımlama Paneli */
.define-panel {
    margin-top: 30px;
    padding: 20px;
    background-color: #fff;
    border: 2px solid #3498db;
    border-radius: 8px;
}

.define-panel h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.define-instructions {
    background-color: #ebf5fb;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid #3498db;
}

.define-instructions p {
    margin: 0;
    color: #2c3e50;
    line-height: 1.6;
}

.drawing-mode-selector {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.drawing-mode-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: 2px solid #3498db;
    background-color: #fff;
    color: #3498db;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.drawing-mode-btn:hover {
    background-color: #ebf5fb;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.2);
}

.drawing-mode-btn.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
}

.complete-polygon-btn {
    background-color: #27ae60;
    color: #fff;
}

.complete-polygon-btn:hover {
    background-color: #229954;
}

.cancel-polygon-btn {
    background-color: #e74c3c;
    color: #fff;
}

.cancel-polygon-btn:hover {
    background-color: #c0392b;
}

.defined-parts-list h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #34495e;
}

.defined-parts-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.defined-part-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.defined-part-item:hover {
    background-color: #e9ecef;
    border-color: #3498db;
}

.defined-part-info {
    flex: 1;
}

.defined-part-info strong {
    color: #2c3e50;
    font-size: 15px;
}

.defined-part-info small {
    color: #7f8c8d;
    font-size: 12px;
    display: block;
    margin-top: 4px;
}

.delete-part-btn {
    padding: 6px 12px;
    font-size: 13px;
    border: 1px solid #e74c3c;
    background-color: #fff;
    color: #e74c3c;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.delete-part-btn:hover {
    background-color: #e74c3c;
    color: #fff;
}

.define-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding-top: 15px;
    border-top: 2px solid #ecf0f1;
}

.action-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.export-btn {
    background-color: #27ae60;
    color: #fff;
}

.export-btn:hover {
    background-color: #229954;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(39, 174, 96, 0.3);
}

.clear-btn {
    background-color: #e74c3c;
    color: #fff;
}

.clear-btn:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.3);
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .view-tabs {
        justify-content: center;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    .car-image-container {
        min-height: 300px;
    }
}