/* HGV Parts Lookup - Industrial Minimalism Design */

:root {
    --primary: #1a1a1a;
    --primary-light: #2d2d2d;
    --accent: #ff6b35;
    --accent-light: #ff8c5a;
    --background: #f5f5f5;
    --card-bg: #ffffff;
    --border: #e0e0e0;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
}

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

html, body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Header */
header {
    background-color: var(--card-bg);
    border-bottom: 2px solid var(--primary);
    padding: 2rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-icon {
    width: 40px;
    height: 40px;
    background-color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--primary);
}

.header-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Main Container */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.search-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
}

/* Card Styling */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    padding: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    border-left: 3px solid var(--accent);
    padding-left: 1rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.tab-button {
    flex: 1;
    padding: 0.75rem 1rem;
    background-color: var(--background);
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tab-button:hover {
    background-color: #fafafa;
}

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

.tab-content {
    display: none;
}

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

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    color: var(--primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    background-color: var(--card-bg);
    color: var(--text-dark);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.1);
}

.form-group input[type="text"].monospace {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    letter-spacing: 1px;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Categories */
.categories-list {
    list-style: none;
}

.categories-list li {
    margin-bottom: 0;
}

.categories-list button {
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
    background-color: transparent;
    border: none;
    border-left: 3px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: all 0.2s ease;
}

.categories-list button:hover {
    background-color: var(--background);
    border-left-color: var(--accent);
    padding-left: 1.5rem;
}

/* Results Section */
.results-container {
    min-height: 400px;
}

.results-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.results-empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.results-empty p {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.results-empty small {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Result Item */
.result-item {
    border: 1px solid var(--border);
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.result-item:hover {
    background-color: #fafafa;
    border-color: var(--accent);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.result-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
}

.result-number {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.result-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
}

.result-stock {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.result-stock.in-stock {
    color: var(--success);
}

.result-stock.low-stock {
    color: var(--warning);
}

.result-stock.out-of-stock {
    color: var(--danger);
}

.result-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.result-description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.75rem;
    line-height: 1.5;
}

/* Registration Result */
.registration-match {
    border-left: 4px solid var(--accent);
    padding-left: 1rem;
}

.registration-plate {
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.vehicle-details {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-top: 0.75rem;
}

.vehicle-details strong {
    color: var(--primary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 0;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

/* Loading State */
.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Error State */
.error-message {
    background-color: #fee;
    border: 1px solid var(--danger);
    border-left: 4px solid var(--danger);
    padding: 1rem;
    margin-bottom: 1rem;
    color: var(--danger);
    font-size: 0.9rem;
}

.error-message strong {
    display: block;
    margin-bottom: 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .search-layout {
        grid-template-columns: 1fr;
    }
    
    .header-container {
        flex-direction: column;
        text-align: center;
    }
    
    .header-content h1 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .card {
        padding: 1rem;
    }
}