:root {
    --primary-color: #e63946;
    --primary-hover: #d62839;
    --secondary-color: #457b9d;
    --background: #f8f9fa;
    --surface: #ffffff;
    --text-primary: #1d3557;
    --text-secondary: #6c757d;
    --border: #e9ecef;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --success: #06d6a0;
    --warning: #ffd166;
    --rating-high: #06d6a0;
    --rating-medium: #ffd166;
    --rating-low: #e63946;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px var(--shadow);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 300;
}

/* Search Section */
.search-section {
    margin-bottom: 3rem;
}

.search-container {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 2px 8px var(--shadow);
}

.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.search-button {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.search-button:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

.search-button:active {
    transform: translateY(0);
}

.quick-locations {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.quick-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.quick-btn {
    padding: 0.5rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    font-family: inherit;
}

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

/* Loading State */
.loading-state {
    text-align: center;
    padding: 4rem 2rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-state p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Error State */
.error-state {
    background: #fee;
    border: 1px solid #fcc;
    color: var(--rating-low);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    margin: 2rem 0;
}

/* Results Section */
.results-section {
    margin-bottom: 3rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.results-count {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.restaurants-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* Restaurant Card */
.restaurant-card {
    background: var(--surface);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--border);
}

.restaurant-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-hover);
}

.restaurant-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.restaurant-content {
    padding: 1.5rem;
}

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

.restaurant-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.restaurant-cuisine {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.restaurant-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.rating-stars {
    color: var(--warning);
    font-size: 1.1rem;
    font-weight: 600;
}

.rating-value {
    font-weight: 600;
    font-size: 1.1rem;
}

.rating-value.high {
    color: var(--rating-high);
}

.rating-value.medium {
    color: var(--rating-medium);
}

.rating-value.low {
    color: var(--rating-low);
}

.restaurant-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.detail-item svg {
    width: 16px;
    height: 16px;
}

.restaurant-price {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--background);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.restaurant-reviews {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 1.1rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        font-size: 2rem;
    }

    .search-box {
        flex-direction: column;
    }

    .search-button {
        width: 100%;
        justify-content: center;
    }

    .restaurants-list {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
}