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

:root {
    --primary-color: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-lg);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header-title h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.header-title .subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.header-select {
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    background: rgba(255,255,255,0.15);
    color: white;
    font-size: 0.9rem;
    min-width: 200px;
}

.header-select option {
    color: var(--text-primary);
}

.header-selection {
    display: flex;
    gap: 30px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.selection-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.selection-group label {
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

.configurator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Panels */
.config-panel,
.results-panel {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-md);
}

.config-panel h2,
.results-panel h2 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

/* Config Sections */
.config-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

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

.config-section h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 600;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group label {
    flex: 0 0 180px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input[type="number"],
.form-group input[type="text"],
.form-group select {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input[type="number"]:focus,
.form-group input[type="text"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input[readonly] {
    background-color: var(--bg-secondary);
    cursor: not-allowed;
}

.form-group .unit {
    flex: 0 0 40px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Checkbox Groups */
.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    flex: 1;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: #1e3a8a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-1px);
}

.btn-large {
    width: 100%;
    padding: 14px 24px;
    font-size: 1.05rem;
    margin-top: 10px;
}

/* CO2 Summary */
.co2-summary {
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-radius: 8px;
    border: 2px solid #10b981;
}

.co2-summary h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #065f46;
    font-weight: 600;
}

.co2-breakdown {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.co2-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 0.9rem;
}

.co2-line span:first-child {
    color: #047857;
}

.co2-line span:last-child {
    font-weight: 600;
    color: #065f46;
}

.co2-line.total {
    border-top: 2px solid #10b981;
    padding-top: 10px;
    margin-top: 5px;
    font-size: 1rem;
}

.co2-line.total span {
    font-weight: 700;
    color: #065f46;
}

/* Price Summary */
.price-summary {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.price-summary h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.price-breakdown {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.price-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.95rem;
}

.price-line span:first-child {
    color: var(--text-secondary);
}

.price-line span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.price-line.subtotal {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    margin: 5px 0;
}

.price-line.subtotal span {
    font-weight: 600;
}

.price-line.total {
    font-size: 1.1rem;
    padding: 12px 0;
    margin-top: 5px;
}

.price-line.total span {
    font-weight: 700;
    color: var(--primary-color);
}

.price-line.quantity-total {
    background: var(--primary-color);
    color: white;
    padding: 12px 15px;
    border-radius: 6px;
    margin-top: 10px;
}

.price-line.quantity-total span {
    color: white;
    font-weight: 700;
}

/* BOM Section */
.bom-section,
.work-phases {
    margin-bottom: 30px;
}

.bom-section h3,
.work-phases h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.bom-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.bom-table th {
    background: var(--bg-secondary);
    padding: 10px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.bom-table td {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.bom-table tr:hover {
    background: var(--bg-secondary);
}

.bom-table td:last-child,
.bom-table th:last-child {
    text-align: right;
}

/* Work Phases */
.phase-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: 8px;
}

.phase-item .phase-name {
    font-weight: 500;
}

.phase-item .phase-time {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-left: 15px;
}

.phase-item .phase-cost {
    font-weight: 600;
    color: var(--primary-color);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.action-buttons .btn {
    flex: 1;
}

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

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-1px);
}

/* Saved Configurations Section */
.saved-configs-section {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

.saved-configs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.saved-configs-header h2 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.saved-configs-list {
    display: grid;
    gap: 15px;
}

.config-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
    transition: all 0.2s;
    cursor: pointer;
}

.config-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.config-card-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.config-card-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.config-card-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-quote {
    background: #dbeafe;
    color: #1e40af;
}

.status-order {
    background: #d1fae5;
    color: #065f46;
}

.status-lost {
    background: #fee2e2;
    color: #991b1b;
}

.status-archived {
    background: #e5e7eb;
    color: #4b5563;
}

/* Placeholder */
.placeholder {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Tabs */
.tabs-container {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    background: rgba(0,0,0,0.03);
    color: var(--text-primary);
}

.tab-button.active {
    color: var(--primary-color);
    background: var(--bg-primary);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 30px;
}

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

.results-full-panel {
    max-width: 1200px;
    margin: 0 auto;
}

.results-full-panel h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 15px;
}

.results-full-panel .co2-summary,
.results-full-panel .price-summary {
    max-width: 600px;
    margin: 0 auto 30px auto;
}

/* Responsive */
@media (max-width: 1200px) {
    .configurator-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    /* Header */
    .header {
        padding: 15px 0;
    }
    
    .header-top {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .header-title h1 {
        font-size: 1.3rem;
    }
    
    .header-title .subtitle {
        font-size: 0.85rem;
    }
    
    .header-selection {
        flex-direction: column;
        gap: 15px;
    }
    
    .selection-group {
        width: 100%;
    }
    
    .header-select {
        width: 100%;
        min-width: auto;
    }
    
    /* Main Content */
    .main-content {
        padding: 20px 0;
    }
    
    .config-panel,
    .results-panel {
        padding: 20px 15px;
    }
    
    /* Form Groups */
    .form-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .form-group label {
        flex: none;
        width: 100%;
    }
    
    .form-group input[type="number"],
    .form-group input[type="text"],
    .form-group input[type="file"],
    .form-group select {
        width: 100%;
    }
    
    .form-group .unit {
        position: absolute;
        right: 15px;
    }
    
    /* Buttons */
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    /* Tabs */
    .tabs-header {
        flex-direction: column;
    }
    
    .tab-button {
        padding: 12px 15px;
        text-align: left;
    }
    
    .tab-content {
        padding: 20px 15px;
    }
    
    /* Config Sections */
    .config-section {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .config-section h3 {
        font-size: 1rem;
    }
    
    /* BOM Table */
    .bom-table {
        font-size: 0.8rem;
        display: block;
        overflow-x: auto;
    }
    
    .bom-table th,
    .bom-table td {
        padding: 8px 5px;
        white-space: nowrap;
    }
    
    /* Price Summary */
    .price-line {
        font-size: 0.85rem;
        flex-wrap: wrap;
    }
    
    /* Phase Items */
    .phase-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .phase-item .phase-time {
        margin-left: 0;
    }
    
    /* Saved Configs */
    .saved-configs-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .saved-configs-header h2 {
        font-size: 1.3rem;
    }
    
    .config-card {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .config-card-title {
        font-size: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .config-card-details {
        flex-direction: column;
        gap: 8px;
    }
    
    .config-card-actions {
        width: 100%;
        flex-direction: column;
    }
    
    /* CO2 and Price Lines */
    .co2-line,
    .price-line {
        font-size: 0.85rem;
    }
    
    /* Results Panel */
    .results-full-panel h2 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .header-title h1 {
        font-size: 1.1rem;
    }
    
    .config-panel h2,
    .results-panel h2 {
        font-size: 1.2rem;
    }
    
    .form-group label {
        font-size: 0.85rem;
    }
    
    .btn-large {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .bom-table {
        font-size: 0.75rem;
    }
}

/* Company Selection Screen */
.company-selection {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 20px;
}

.company-selection-content {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.company-selection h1 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 15px;
    font-weight: 700;
}

.company-selection .subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 50px;
}

.company-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.company-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.company-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.company-logo {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.company-logo img {
    max-width: 200px !important;
    max-height: 100px !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    background: white;
    padding: 10px;
    border-radius: 8px;
}

.company-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.company-card h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.company-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.company-products {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .company-cards {
        grid-template-columns: 1fr;
    }
    
    .company-selection h1 {
        font-size: 2rem;
    }
}