@layer reset, base, components, utilities;

/* ========================================
   FOODIE AI - CUBE CSS ARCHITECTURE
   Versión: 2.0.0
   ======================================== */

/* ---- RESET & BASE ---- */
@layer reset {
    .foodie-ai-container * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    
    .foodie-ai-container {
        font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        color: #1a1a2e;
        line-height: 1.6;
        max-inline-size: 100%;
    }
}

@layer base {
    .foodie-ai-title {
        font-size: clamp(1.5rem, 4vw, 2rem);
        font-weight: 700;
        background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        text-align: center;
        margin-block-end: 0.5rem;
    }
    
    .foodie-ai-subtitle {
        text-align: center;
        color: #666;
        font-size: 1rem;
        margin-block-end: 1.5rem;
    }
}

/* ---- COMPONENTS ---- */
@layer components {
    /* Container Principal */
    .foodie-ai-container {
        max-inline-size: 700px;
        margin-inline: auto;
        padding: 2rem 1rem;
        background: linear-gradient(180deg, #fffaf5 0%, #ffffff 100%);
        border-radius: 1.5rem;
        box-shadow: 0 20px 60px rgba(255, 107, 53, 0.1);
    }
    
    /* Header */
    .foodie-ai-header {
        text-align: center;
        margin-block-end: 1.5rem;
    }
    
    /* Search Box */
    .foodie-ai-search-box {
        background: #fff;
        padding: 1.5rem;
        border-radius: 1rem;
        border: 2px solid #f0e6dc;
        box-shadow: 0 4px 20px rgba(255, 107, 53, 0.05);
    }
    
    /* Input Group */
    .foodie-ai-input-group {
        display: flex;
        gap: 0.75rem;
        margin-block-end: 1rem;
    }
    
    .foodie-ai-input {
        flex: 1;
        padding: 1rem 1.25rem;
        font-size: 1rem;
        border: 2px solid #ffccbc;
        border-radius: 0.75rem;
        outline: none;
        transition: border-color 0.2s, box-shadow 0.2s;
        min-block-size: 3rem;
    }
    
    .foodie-ai-input:focus {
        border-color: #ff6b35;
        box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
    }
    
    .foodie-ai-input::placeholder {
        color: #999;
    }
    
    /* Button Principal */
    .foodie-ai-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        font-weight: 600;
        color: #fff;
        background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
        border: none;
        border-radius: 0.75rem;
        cursor: pointer;
        transition: transform 0.2s, box-shadow 0.2s;
        min-inline-size: 8rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .foodie-ai-btn:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    }
    
    .foodie-ai-btn:active {
        transform: translateY(0);
    }
    
    .foodie-ai-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }
    
    .foodie-ai-btn .btn-loading {
        display: inline-block;
        animation: spin 1s linear infinite;
    }
    
    /* Location Row */
    .foodie-ai-location-row {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .foodie-ai-location-row label {
        font-size: 1.25rem;
    }
    
    .foodie-ai-location-input {
        flex: 1;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        border: 1px solid #ddd;
        border-radius: 0.5rem;
        outline: none;
    }
    
    .foodie-ai-location-input:focus {
        border-color: #ff6b35;
    }
    
    .foodie-ai-btn-location {
        padding: 0.5rem 0.75rem;
        font-size: 1rem;
        background: #ffccbc;
        border: none;
        border-radius: 0.5rem;
        cursor: pointer;
        transition: background 0.2s;
    }
    
    .foodie-ai-btn-location:hover {
        background: #f7931e;
    }
    
    /* Loading State */
    .foodie-ai-loading {
        text-align: center;
        padding: 2rem;
    }
    
    .loading-animation {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .loading-icon {
        font-size: 2.5rem;
        animation: bounce 1s ease-in-out infinite;
    }
    
    .loading-text {
        color: #ff6b35;
        font-weight: 500;
    }
    
    /* Recommendation */
    .foodie-ai-recommendation {
        background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
        padding: 1.25rem;
        border-radius: 0.75rem;
        border-inline-start: 4px solid #4caf50;
        margin-block-start: 1.5rem;
        font-style: italic;
        color: #2e7d32;
    }
    
    .foodie-ai-recommendation strong {
        display: block;
        font-style: normal;
        margin-block-end: 0.5rem;
        font-size: 1.1rem;
    }
    
    /* Results */
    .foodie-ai-results {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        margin-block-start: 1.5rem;
    }
    
    .foodie-ai-result-card {
        display: grid;
        grid-template-columns: 100px 1fr;
        gap: 1rem;
        background: #fff;
        padding: 1rem;
        border-radius: 0.75rem;
        border: 1px solid #f0e6dc;
        transition: transform 0.2s, box-shadow 0.2s;
    }
    
    .foodie-ai-result-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }
    
    .foodie-ai-result-image {
        inline-size: 100px;
        block-size: 100px;
        object-fit: cover;
        border-radius: 0.5rem;
        border: 2px solid #ffccbc;
    }
    
    .foodie-ai-result-content h3 {
        color: #d81b60;
        font-size: 1.1rem;
        margin-block-end: 0.25rem;
    }
    
    .foodie-ai-result-content p {
        font-size: 0.85rem;
        color: #666;
        margin-block-end: 0.25rem;
    }
    
    .foodie-ai-result-ai-opinion {
        background: #e3f2fd;
        padding: 0.5rem 0.75rem;
        border-radius: 0.5rem;
        border-inline-start: 3px solid #1976d2;
        font-size: 0.85rem;
        color: #1565c0;
        margin-block: 0.5rem;
    }
    
    .foodie-ai-result-price {
        font-weight: 700;
        color: #ff6b35;
        font-size: 1rem;
    }
    
    .foodie-ai-result-btn {
        display: inline-block;
        background: #4caf50;
        color: #fff;
        padding: 0.5rem 1rem;
        border-radius: 0.5rem;
        text-decoration: none;
        font-size: 0.85rem;
        transition: background 0.2s;
        margin-block-start: 0.5rem;
    }
    
    .foodie-ai-result-btn:hover {
        background: #388e3c;
    }
    
    /* Error */
    .foodie-ai-error {
        background: #ffebee;
        color: #c62828;
        padding: 1rem;
        border-radius: 0.75rem;
        border-inline-start: 4px solid #f44336;
        margin-block-start: 1rem;
    }
}

/* ---- UTILITIES ---- */
@layer utilities {
    .foodie-ai-hidden { display: none; }
    .foodie-ai-text-center { text-align: center; }
    .foodie-ai-mt-1 { margin-block-start: 1rem; }
    .foodie-ai-mt-2 { margin-block-start: 2rem; }
}

/* ---- ANIMATIONS ---- */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
    .foodie-ai-container {
        padding: 1.5rem 1rem;
        border-radius: 1rem;
    }
    
    .foodie-ai-input-group {
        flex-direction: column;
    }
    
    .foodie-ai-btn {
        min-inline-size: 100%;
    }
    
    .foodie-ai-result-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .foodie-ai-result-image {
        inline-size: 120px;
        block-size: 120px;
        margin-inline: auto;
    }
}

/* ---- ACCESSIBILITY ---- */
@media (prefers-reduced-motion: reduce) {
    .foodie-ai-btn,
    .foodie-ai-result-card,
    .loading-icon {
        transition: none;
        animation: none;
    }
}

.foodie-ai-btn:focus-visible,
.foodie-ai-input:focus-visible {
    outline: 2px solid #ff6b35;
    outline-offset: 2px;
}