/**
 * cotizador.css - NovaSystems Cotizador
 * Versión: 2.0.0
 * Mejoras: Variables CSS, optimización responsive, accesibilidad
 */

/* ============================================
   VARIABLES GLOBALES
   ============================================ */
:root {
    /* Colores corporativos */
    --color-orange: #ff8c00;
    --color-orange-dark: #cc7000;
    --color-red: #ff4444;
    --color-red-dark: #cc3333;
    --color-white: #ffffff;
    
    /* Transparencias */
    --glass-bg-light: rgba(255, 255, 255, 0.05);
    --glass-bg-medium: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
    --orange-glow: rgba(255, 140, 0, 0.3);
    --orange-glow-strong: rgba(255, 140, 0, 0.5);
    
    /* Espaciados */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 60px;
    
    /* Bordes */
    --border-radius-sm: 10px;
    --border-radius-md: 15px;
    --border-radius-lg: 30px;
    --border-radius-xl: 50px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ============================================
   HEADER DEL COTIZADOR
   ============================================ */
.cotizador-header {
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.cotizador-header h1 {
    font-family: 'Clash Display', sans-serif;
    font-size: clamp(32px, 5vw, 56px);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white), var(--color-orange));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.cotizador-header p {
    font-size: clamp(14px, 3vw, 18px);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   COTIZADOR PRINCIPAL
   ============================================ */
.cotizador-principal {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    background: var(--glass-bg-light);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--glass-border);
}

.cotizador-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
}

/* ============================================
   PANEL DE SERVICIOS
   ============================================ */
.panel-servicios h2,
.panel-resumen h2 {
    font-size: clamp(22px, 4vw, 28px);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--orange-glow);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.panel-servicios h2::before {
    content: '📦';
    font-size: 24px;
}

.panel-resumen h2::before {
    content: '🛒';
    font-size: 24px;
}

/* Categorías */
.categoria-servicios {
    margin-bottom: var(--spacing-xl);
}

.categoria-titulo {
    margin-bottom: var(--spacing-md);
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-xl);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.bg-orange {
    background: rgba(255, 140, 0, 0.2);
    color: var(--color-orange);
    border: 1px solid rgba(255, 140, 0, 0.3);
}

.bg-red {
    background: rgba(255, 68, 68, 0.2);
    color: var(--color-red);
    border: 1px solid rgba(255, 68, 68, 0.3);
}

.bg-white {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Items de servicio */
.servicio-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.servicio-item:hover {
    background: rgba(255, 140, 0, 0.05);
    border-color: var(--orange-glow);
    transform: translateX(5px);
}

.servicio-info {
    flex: 1;
}

.servicio-info h4 {
    font-size: clamp(16px, 3vw, 18px);
    margin-bottom: 4px;
    color: var(--color-white);
}

.servicio-info p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-xs);
}

.precio {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-orange);
}

/* Botón agregar */
.btn-agregar {
    padding: 10px 25px;
    background: rgba(255, 140, 0, 0.2);
    border: 1px solid var(--orange-glow);
    border-radius: var(--border-radius-xl);
    color: var(--color-white);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-agregar:hover {
    background: rgba(255, 140, 0, 0.4);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.3);
}

.btn-agregar:active {
    transform: scale(0.98);
}

/* ============================================
   PANEL DE RESUMEN (CARRITO)
   ============================================ */
.panel-resumen {
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    position: sticky;
    top: 100px;
    height: fit-content;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

/* Carrito */
.resumen-carrito {
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
    padding-right: var(--spacing-sm);
}

/* Scrollbar personalizada */
.resumen-carrito::-webkit-scrollbar {
    width: 6px;
}

.resumen-carrito::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.resumen-carrito::-webkit-scrollbar-thumb {
    background: var(--color-orange);
    border-radius: 10px;
}

.carrito-vacio {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    padding: 50px 0;
    font-style: italic;
}

/* Items del carrito */
.item-carrito {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--color-orange);
    transition: all var(--transition-fast);
    animation: slideInItem 0.3s ease;
}

@keyframes slideInItem {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.item-carrito:hover {
    background: rgba(255, 140, 0, 0.1);
}

.item-info {
    flex: 1;
}

.item-nombre {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-white);
    font-size: 14px;
}

.item-precio {
    color: var(--color-orange);
    font-size: 13px;
}

.btn-eliminar-item {
    background: none;
    border: none;
    color: rgba(255, 68, 68, 0.7);
    font-size: 20px;
    cursor: pointer;
    padding: 5px 10px;
    transition: all var(--transition-fast);
    border-radius: 50%;
}

.btn-eliminar-item:hover {
    color: var(--color-red);
    background: rgba(255, 68, 68, 0.2);
    transform: scale(1.1);
}

/* Totales */
.resumen-total {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-top: 2px solid var(--orange-glow);
    border-bottom: 2px solid var(--orange-glow);
}

.subtotal,
.iva {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.total-final {
    display: flex;
    justify-content: space-between;
    font-size: clamp(20px, 4vw, 24px);
    font-weight: 700;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.total-final span:last-child {
    color: var(--color-orange);
    font-size: clamp(24px, 5vw, 28px);
}

/* Acciones */
.resumen-acciones {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.btn-principal,
.btn-secundario {
    padding: 14px 24px;
    border-radius: var(--border-radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.btn-principal {
    background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
    border: none;
    color: white;
}

.btn-principal:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 140, 0, 0.4);
}

.btn-secundario {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: white;
}

.btn-secundario:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   FORMULARIO DE CLIENTE
   ============================================ */
.cliente-form {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--orange-glow);
}

.cliente-form h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.cliente-form input,
.cliente-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.cliente-form input:focus,
.cliente-form textarea:focus {
    outline: none;
    border-color: var(--color-orange);
    background: rgba(255, 140, 0, 0.05);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.2);
}

.cliente-form input::placeholder,
.cliente-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.cliente-form textarea {
    resize: vertical;
    min-height: 100px;
}

/* ============================================
   SERVICIOS DESTACADOS
   ============================================ */
.servicios-destacados {
    margin-top: var(--spacing-2xl);
}

.servicios-destacados h2 {
    font-size: clamp(28px, 5vw, 36px);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
}

/* ============================================
   CONTROLES DE CANTIDAD
   ============================================ */
.cantidad-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.3);
    padding: 4px;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--orange-glow);
}

.btn-cantidad {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-cantidad[data-accion="disminuir"] {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.btn-cantidad[data-accion="disminuir"]:hover {
    background: rgba(255, 68, 68, 0.6);
    transform: scale(1.1);
}

.btn-cantidad[data-accion="aumentar"] {
    background: rgba(255, 140, 0, 0.3);
    color: var(--color-white);
}

.btn-cantidad[data-accion="aumentar"]:hover {
    background: rgba(255, 140, 0, 0.7);
    transform: scale(1.1);
}

.btn-cantidad:active {
    transform: scale(0.95);
}

.cantidad-valor {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
    color: var(--color-orange);
    font-size: 16px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets (768px - 1024px) */
@media (max-width: 1024px) {
    .cotizador-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .panel-resumen {
        position: static;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .cotizador-header {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

/* Móviles grandes (576px - 768px) */
@media (max-width: 768px) {
    .cotizador-header {
        padding: var(--spacing-lg);
    }
    
    .cotizador-header h1 {
        font-size: 32px;
    }
    
    .cotizador-principal {
        padding: var(--spacing-md);
    }
    
    .servicio-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .servicio-info {
        text-align: center;
    }
    
    .btn-agregar {
        width: 100%;
    }
    
    .resumen-acciones {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .panel-resumen {
        padding: var(--spacing-md);
    }
    
    /* Controles de cantidad en móvil */
    .cantidad-control {
        order: 2;
        margin: var(--spacing-xs) 0;
    }
    
    .btn-agregar {
        order: 3;
    }
}

/* Móviles pequeños (menos de 576px) */
@media (max-width: 576px) {
    .cotizador-header h1 {
        font-size: 28px;
    }
    
    .cotizador-header p {
        font-size: 14px;
    }
    
    .panel-servicios h2,
    .panel-resumen h2 {
        font-size: 22px;
    }
    
    .servicio-info h4 {
        font-size: 16px;
    }
    
    .precio {
        font-size: 18px;
    }
    
    .btn-cantidad {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }
    
    .cantidad-valor {
        font-size: 14px;
        min-width: 25px;
    }
    
    .total-final {
        font-size: 18px;
    }
    
    .total-final span:last-child {
        font-size: 22px;
    }
    
    .cliente-form input,
    .cliente-form textarea {
        padding: 12px;
        font-size: 14px;
    }
}

/* Orientación horizontal en móvil */
@media (max-height: 500px) and (orientation: landscape) {
    .cotizador-principal {
        margin-bottom: var(--spacing-md);
    }
    
    .panel-resumen {
        max-height: 300px;
        overflow-y: auto;
    }
}

/* ============================================
   ANIMACIONES ADICIONALES
   ============================================ */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.cargando {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */
/* Focus visible para teclado */
.btn-agregar:focus-visible,
.btn-cantidad:focus-visible,
.btn-principal:focus-visible,
.cliente-form input:focus-visible {
    outline: 2px solid var(--color-orange);
    outline-offset: 2px;
}

/* Reducir movimiento si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
    .servicio-item,
    .btn-agregar,
    .item-carrito {
        transition: none;
    }
    
    .servicio-item:hover {
        transform: none;
    }
    
    .item-carrito {
        animation: none;
    }
}