/* ============================================
   SM TENIS - Header, Menu Mobile, Search,
   WhatsApp Float & Footer
   ============================================ */

/* ============================================
   HEADER PRINCIPAL
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 15, 28, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--duration-normal) var(--ease-out);
}

.header.scrolled {
    background: rgba(10, 15, 28, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(0, 128, 255, 0.1);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: var(--space-6);
}

/* ============================================
   LOGO
   ============================================ */
.header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    transition: transform var(--duration-fast) var(--ease-out);
}

.header__logo:hover {
    transform: scale(1.05);
}

.header__logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0, 128, 255, 0.3));
}

/* ============================================
   NAVEGACAO DESKTOP
   ============================================ */
.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.header__nav-link {
    position: relative;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
}

.header__nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.header__nav-link.active {
    color: var(--accent-400);
}

.header__nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-400);
    border-radius: var(--radius-full);
    box-shadow: 0 0 8px var(--accent-400);
}

/* ============================================
   ACOES DO HEADER (Busca, Favoritos, Carrinho)
   ============================================ */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.header__action-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast) var(--ease-out);
}

.header__action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

/* Badge de contagem */
.header__badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    border-radius: var(--radius-full);
    padding: 0 4px;
    box-shadow: 0 0 8px rgba(0, 128, 255, 0.4);
    animation: scale-in var(--duration-normal) var(--ease-spring);
}

/* Botao carrinho com destaque */
.header__cart-btn {
    position: relative;
}

.header__cart-btn.has-items {
    color: var(--accent-400);
}

.header__cart-btn.has-items::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: neon-pulse 2s ease-in-out infinite;
}

/* ============================================
   MENU HAMBURGER (Mobile)
   ============================================ */
.header__menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border-radius: var(--radius-lg);
    transition: background var(--duration-fast) var(--ease-out);
}

.header__menu-toggle:hover {
    background: rgba(255, 255, 255, 0.06);
}

.header__menu-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
    transform-origin: center;
}

/* Animacao X quando aberto */
.header__menu-toggle.active .header__menu-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--accent-400);
}

.header__menu-toggle.active .header__menu-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.header__menu-toggle.active .header__menu-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--accent-400);
}

/* ============================================
   BARRA DE BUSCA EXPANDIDA
   ============================================ */
.search-bar {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-default);
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-normal) var(--ease-out);
}

.search-bar.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.search-bar__inner {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
}

.search-bar__input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-5);
    color: var(--text-primary);
    font-size: var(--text-base);
    font-family: var(--font-body);
    transition: all var(--duration-fast) var(--ease-out);
}

.search-bar__input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 128, 255, 0.15);
}

.search-bar__input::placeholder {
    color: var(--text-muted);
}

.search-bar__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
}

.search-bar__close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

/* Resultados de busca */
.search-bar__results {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out);
}

.search-bar__results.has-results {
    max-height: 400px;
    overflow-y: auto;
    border-top: 1px solid var(--border-subtle);
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-6);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
}

.search-result-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.search-result-item__image {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background: var(--bg-tertiary);
}

.search-result-item__info {
    flex: 1;
}

.search-result-item__name {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.search-result-item__price {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--accent-400);
}

/* ============================================
   MENU MOBILE OVERLAY
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: calc(var(--z-sticky) - 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-8) var(--space-6);
    transform: translateX(-100%);
    opacity: 0;
    transition: all var(--duration-slow) var(--ease-out);
    pointer-events: none;
}

.mobile-menu.active {
    transform: translateX(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-menu__link {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-4) var(--space-4);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast) var(--ease-out);
    letter-spacing: var(--tracking-tight);
}

.mobile-menu__link:hover,
.mobile-menu__link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.mobile-menu__link.active {
    color: var(--accent-400);
    border-left: 3px solid var(--accent-400);
}

.mobile-menu__footer {
    padding: var(--space-6) var(--space-4);
    border-top: 1px solid var(--border-subtle);
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #ffffff;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.3);
    transition: all var(--duration-normal) var(--ease-out);
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    color: #ffffff;
    animation: none;
}

@keyframes whatsapp-pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0);
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-primary);
    margin-top: var(--space-20);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-10);
    padding: var(--space-16) 0 var(--space-10);
}

.footer__logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    margin-bottom: var(--space-4);
    filter: drop-shadow(0 0 8px rgba(0, 128, 255, 0.2));
}

.footer__text {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    line-height: var(--leading-relaxed);
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast) var(--ease-out);
}

.footer__social-link:hover {
    color: var(--accent-400);
    border-color: var(--border-neon);
    box-shadow: var(--glow-blue);
    transform: translateY(-2px);
}

.footer__col-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-5);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__links a {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    transition: all var(--duration-fast) var(--ease-out);
}

.footer__links a:hover {
    color: var(--accent-400);
    padding-left: var(--space-2);
}

.footer__payment {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.footer__bottom {
    padding: var(--space-6) 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ============================================
   SPACER para o header fixo
   ============================================ */
body {
    padding-top: 70px;
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .header__nav {
        display: none;
    }

    .header__menu-toggle {
        display: flex;
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .header__inner {
        height: 60px;
    }

    .header__logo-img {
        height: 36px;
    }

    body {
        padding-top: 60px;
    }

    .mobile-menu {
        top: 60px;
    }

    .mobile-menu__link {
        font-size: var(--text-xl);
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__text {
        max-width: 100%;
    }

    .whatsapp-float {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 50px;
        height: 50px;
    }

    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }
}

/* Mobile pequeno */
@media (max-width: 480px) {
    .header__actions {
        gap: var(--space-1);
    }

    .header__action-btn {
        width: 36px;
        height: 36px;
    }

    .header__action-btn svg {
        width: 18px;
        height: 18px;
    }

    .search-bar__inner {
        padding: var(--space-3) 0;
    }

    .search-bar__input {
        font-size: var(--text-sm);
        padding: var(--space-3) var(--space-4);
    }
}