/*
 * Custom Styling for Liquid Varnish Store
 */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --dark-text: #2d3748;
    --light-text: #718096;
    --border-color: #e2e8f0;
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.25);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--dark-text);
    background-color: #f7fafc;
    line-height: 1.6;
}

/* App Layout */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
}

.app-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.app-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.95;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* Responsive header */
@media (max-width: 768px) {
    .app-header {
        min-height: 250px;
        padding: 2rem 1rem;
    }

    .app-title {
        font-size: 2rem;
    }

    .app-subtitle {
        font-size: 1rem;
    }
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    background-color: white;
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.tab-button {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--light-text);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-button:hover {
    color: var(--primary-color);
    background-color: #f7fafc;
}

.tab-button.active {
    color: var(--primary-color);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Tab Content */
.tab-content {
    flex: 1;
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

/* Product Card */
.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

.product-image-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    font-size: 1rem;
    color: var(--light-text);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-name {
    padding: 1rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    color: var(--dark-text);
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.product-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-heavy);
    z-index: 1001;
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translate(-50%, -55%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--light-text);
    z-index: 10;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--dark-text);
}

.modal-content {
    padding: 2rem;
    position: relative;
}

.modal-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f0f0;
    font-size: 1rem;
    color: var(--light-text);
    text-align: center;
}

.modal-details h2 {
    margin-bottom: 1rem;
    color: var(--dark-text);
    font-size: 1.5rem;
}

.product-description {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.price-section {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 8px;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.currency {
    font-size: 1rem;
    color: var(--light-text);
}

/* Contacts */
.contacts-container {
    max-width: 600px;
    margin: 0 auto;
}

.contacts-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
}

.contacts-card h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.company-description {
    color: var(--light-text);
    margin-bottom: 2rem;
    line-height: 1.8;
    text-align: justify;
    text-justify: inter-word;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-item p {
    color: var(--dark-text);
    margin: 0;
    font-weight: 500;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Loading and Error States */
.loading-message,
.error-message {
    text-align: center;
    padding: 2rem;
    font-size: 1.1rem;
}

.loading-message {
    color: var(--light-text);
}

.error-message {
    color: #e53e3e;
    background-color: #fed7d7;
    border-left: 4px solid #e53e3e;
    padding: 1rem;
    border-radius: 4px;
}

/* Footer */
.app-footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: auto;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, #5a67d8 0%, #6b42a0 100%);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Product Detail Sections */
.product-sections {
    margin-bottom: 1.5rem;
}

.section {
    margin-bottom: 1.5rem;
}

.section-header {
    background: linear-gradient(135deg, #cbd5e0 0%, #e2e8f0 100%);
    color: var(--dark-text);
    font-weight: 700;
    font-size: 1.15rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-color);
}

.section-content {
    color: var(--light-text);
    line-height: 1.8;
    padding: 0 0.5rem;
    text-align: justify;
    text-justify: inter-word;
}

.section-content ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.section-content li {
    margin-bottom: 0.5rem;
}

.section-content strong {
    color: var(--dark-text);
}