/**
 * Media queries para diseño responsive
 * Mobile-first approach
 */

/* Tablets y pantallas pequeñas (≥ 768px) */
@media (max-width: 768px) {
    /* Typography */
    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    /* Navbar */
    .navbar-nav {
        margin-top: 1rem;
    }

    .nav-link {
        padding: 0.75rem 1rem !important;
        margin-bottom: 0.25rem;
    }

    /* Cards */
    .card {
        margin-bottom: 1rem;
    }

    .feature-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    /* Chat */
    .chat-bubble {
        max-width: 85%;
    }

    .chat-container {
        max-height: 400px;
    }

    /* Products */
    .product-card {
        margin-bottom: 1.5rem;
    }

    /* Timeline */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-marker {
        left: 12px;
    }

    /* Progress steps */
    .progress-steps {
        flex-direction: column;
    }

    .progress-step::before {
        display: none;
    }

    .progress-step {
        margin-bottom: 1rem;
    }

    /* Forms */
    .form-control,
    .form-select {
        font-size: 16px; /* Evita zoom en iOS */
    }

    /* Buttons */
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    /* Image preview */
    .image-preview {
        max-width: 100%;
    }

    /* Quick actions */
    .quick-action {
        margin-bottom: 1rem;
    }

    /* Footer */
    footer .col-md-4 {
        margin-bottom: 2rem;
    }

    footer .col-md-4:last-child {
        margin-bottom: 0;
    }
}

/* Móviles en orientación portrait (≥ 576px) */
@media (max-width: 576px) {
    /* Hero */
    .hero-section {
        padding: 2rem 0;
    }

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .hero-section p {
        font-size: 0.95rem;
    }

    /* Spacing */
    .content-section {
        padding: 2rem 0;
    }

    /* Buttons */
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.95rem;
    }

    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    /* Cards */
    .card-body {
        padding: 1rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    /* Chat */
    .chat-bubble {
        max-width: 90%;
        padding: 0.75rem;
    }

    .chat-avatar {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    /* Products */
    .product-image {
        height: 180px;
    }

    .product-price {
        font-size: 1.25rem;
    }

    /* Cart */
    .cart-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .cart-item-image {
        width: 100%;
        height: auto;
        margin-bottom: 1rem;
    }

    .cart-item-quantity {
        margin-top: 0.5rem;
    }

    /* Empty state */
    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    /* Progress steps */
    .step-circle {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .step-label {
        font-size: 0.85rem;
    }

    /* Modal */
    .modal-dialog {
        margin: 0.5rem;
    }

    /* File input */
    .file-input-label {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
        width: 100%;
        text-align: center;
    }

    /* Diagnosis results */
    .diagnosis-result {
        padding: 1rem;
    }
}

/* Móviles pequeños (≥ 375px) */
@media (max-width: 375px) {
    /* Typography */
    body {
        font-size: 14px;
    }

    .hero-section h1 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    /* Navbar */
    .navbar-brand {
        font-size: 1.25rem;
    }

    /* Buttons */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    /* Forms */
    .form-control,
    .form-select {
        padding: 0.65rem 0.875rem;
    }

    /* Cards */
    .feature-icon {
        font-size: 2rem;
    }

    .quick-action-icon {
        font-size: 2rem;
    }

    /* Chat */
    .chat-container {
        max-height: 300px;
    }

    /* Products */
    .product-image {
        height: 150px;
    }
}

/* Tablets en landscape (≥ 992px) */
@media (min-width: 768px) and (max-width: 992px) {
    .container {
        max-width: 960px;
    }

    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Desktops grandes (≥ 1200px) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }

    .hero-section h1 {
        font-size: 3rem;
    }

    .hero-section p {
        font-size: 1.3rem;
    }

    .feature-card {
        padding: 2.5rem;
    }

    .chat-container {
        max-height: 600px;
    }
}

/* Touch-friendly para dispositivos táctiles */
@media (hover: none) and (pointer: coarse) {
    /* Aumentar áreas clicables */
    .btn,
    .nav-link,
    .card {
        min-height: 44px;
    }

    /* Remover hover effects que no funcionan en touch */
    .card:hover {
        transform: none;
    }

    .quick-action:hover {
        transform: none;
    }

    /* Mejor feedback táctil */
    .btn:active {
        transform: scale(0.98);
    }
}

/* Orientación landscape en móviles */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: 1.5rem 0;
    }

    .chat-container {
        max-height: 250px;
    }

    .modal-dialog {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* Dark mode (experimental, para futuras versiones) */
@media (prefers-color-scheme: dark) {
    /*
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
    }
    */
}

/* Preferencia de movimiento reducido (accesibilidad) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    /* Ocultar elementos no necesarios */
    nav,
    footer,
    .btn,
    .file-input-wrapper {
        display: none !important;
    }

    /* Ajustar colores para impresión */
    body {
        background-color: white;
        color: black;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }

    /* Links con URL visible */
    a[href]::after {
        content: " (" attr(href) ")";
    }
}