:root {
    --color-primary: #78716c;
    --color-secondary: #f4f4f5;
    --color-accent: #d6e2e2;
}

body {
    font-family: 'Tenor Sans', sans-serif;
    background-color: var(--color-secondary);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.font-serif {
    font-family: 'Playfair Display', serif;
}

/* --- Efeitos Visuais --- */
.parallax-bg {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    /* OTIMIZAÇÃO DE PERFORMANCE: */
    will-change: transform;
    transform: translateZ(0);
    /* Força aceleração de hardware */
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Glass Effect - Atualizado para Azul Sóbrio */
.glass-effect {
    background: rgba(15, 23, 42, 0.85);
    /* Slate-900 com transparência */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Estilos da Loja --- */
.product-image-wrapper {
    transition: transform 0.7s ease;
    /* OTIMIZAÇÃO */
    will-change: transform;
}

/* Custom Scrollbar */
.carousel-scroll::-webkit-scrollbar {
    height: 4px;
}

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

.carousel-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.65rem;
    width: 1.2rem;
    height: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    /* Contraste no fundo escuro */
    color: #0f172a;
    /* Texto escuro */
    border-radius: 50%;
    font-weight: bold;
}

/* Tab Active State */
.tab-btn.active {
    border-bottom: 2px solid var(--color-primary);
    color: #1c1917;
    /* gray-900 */
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
}

/* --- Animação do Painel de Detalhes --- */
.detail-panel {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.detail-panel.open {
    max-height: 1500px;
    opacity: 1;
    transform: translateY(0);
    margin-top: 1rem;
    margin-bottom: 3rem;
}

/* Estilo dos Botões de Tamanho (Detalhes) */
.size-btn {
    border: 1px solid #e5e7eb;
    color: #4b5563;
    transition: all 0.2s;
}

.size-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.size-btn.selected {
    background-color: #1c1917;
    color: white;
    border-color: #1c1917;
}

/* --- Search Overlay Animation --- */
#search-overlay {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#search-overlay.open {
    opacity: 1;
    visibility: visible;
}

#search-overlay.closed {
    opacity: 0;
    visibility: hidden;
}

/* --- Quick Add Styles --- */
.quick-add-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.quick-size-btn {
    font-size: 0.65rem;
    height: 2rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    color: #1c1917;
    font-weight: bold;
    transition: all 0.2s;
}

.quick-size-btn:hover {
    background: #1c1917;
    color: white;
}

/* Mobile Menu Animation */
#mobile-menu {
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

#mobile-menu.closed {
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
}

#mobile-menu.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .parallax-bg {
        background-attachment: scroll;
    }

    .size-btn {
        width: 3rem;
        height: 3rem;
        font-size: 0.875rem;
    }
}

/* --- Utilities for Tailwind Colors --- */
/* These ensure .text-primary and others work correctly if Tailwind config is missing */
.text-primary {
    color: var(--color-primary) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.border-primary {
    border-color: var(--color-primary) !important;
}

.hover\:text-primary:hover {
    color: var(--color-primary) !important;
}

.hover\:bg-primary:hover {
    background-color: var(--color-primary) !important;
}

.hover\:border-primary:hover {
    border-color: var(--color-primary) !important;
}

.focus\:border-primary:focus {
    border-color: var(--color-primary) !important;
}

.ring-primary {
    --tw-ring-color: var(--color-primary) !important;
}