/**
 * Header Styles
 * CSS organizado e modular para o header do tema
 */

/* ============================================================================
   VARIÁVEIS CSS (Custom Properties)
   ============================================================================ */

:root {
    /* Cores da Paleta */
    --color-primary: #2F2F2F;
    --color-secondary: #5C4130;
    --color-accent: #EABD8F;
    --color-background: #EAE8DB;
    --color-background-light: rgba(234, 232, 219, 0.95);
    --color-background-glass: rgba(234, 232, 219, 0.85);
    
    /* Transições */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Z-index Layers */
    --z-header: 1000;
    --z-header-elements: 1001;
    --z-mobile-toggle: 1002;
    --z-mobile-overlay: 2000;
    --z-mobile-panel: 2001;
    --z-search-overlay: 3000;
    
    /* Breakpoints */
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
}

/* ============================================================================
   BASE STYLES
   ============================================================================ */

/* Reset básico para elementos do header */
.header-container * {
    box-sizing: border-box;
}

/* Header Container */
.header-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    transition: transform var(--transition-smooth), 
                opacity var(--transition-smooth), 
                all var(--transition-base);
    background: var(--color-background-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(92, 65, 48, 0.1);
}

/* ============================================================================
   DESKTOP MENU
   ============================================================================ */

/* Nav Link Base */
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-base);
    border-radius: 0.75rem;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(234, 189, 143, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--color-secondary);
    background: rgba(234, 232, 219, 0.6);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(92, 65, 48, 0.1);
}

.nav-link:active {
    transform: translateY(0);
}

/* Nav Link Active State */
.nav-link-active {
    background: linear-gradient(135deg, rgba(234, 232, 219, 0.4), rgba(234, 189, 143, 0.2));
    color: var(--color-secondary);
}

/* Indicador de página ativa */
.nav-link-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    transform-origin: left;
    animation: slideInFromLeft 0.4s var(--transition-smooth);
}

@keyframes slideInFromLeft {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* Nav Item Wrapper */
.nav-item-wrapper {
    position: relative;
}

/* Submenu Styles */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.75rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 60px -12px rgba(47, 47, 47, 0.15),
                0 0 0 1px rgba(234, 232, 219, 0.5);
    border: 1px solid rgba(234, 232, 219, 0.6);
    padding: 0.75rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.5rem);
    transition: all 0.3s ease-out;
    z-index: 50;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-item-wrapper:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Submenu Connector (Triângulo) */
.submenu-connector {
    position: absolute;
    top: -0.5rem;
    left: 1.5rem;
    width: 1rem;
    height: 1rem;
    background: white;
    border-left: 1px solid rgba(234, 232, 219, 0.6);
    border-top: 1px solid rgba(234, 232, 219, 0.6);
    transform: rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.05);
}

/* Submenu Items */
.submenu a {
    position: relative;
    display: block;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: all var(--transition-base);
    border-radius: 0.5rem;
    margin: 0 0.5rem;
    overflow: hidden;
}

.submenu a::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-secondary), var(--color-accent));
    transform: scaleY(0);
    transition: transform 0.2s ease;
}

.submenu a:hover {
    color: var(--color-secondary);
    background: linear-gradient(to right, rgba(234, 232, 219, 0.4), rgba(234, 232, 219, 0.2));
}

.submenu a:hover::after {
    transform: scaleY(1);
}

/* Focus States */
.nav-link:focus-visible,
.submenu a:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
    border-radius: 0.75rem;
}

/* ============================================================================
   MOBILE MENU
   ============================================================================ */

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(47, 47, 47, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: var(--z-mobile-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Menu Panel */
.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-background-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(234, 189, 143, 0.3);
    transform: translateX(100%);
    transition: transform var(--transition-spring), visibility 0.4s;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: -8px 0 40px rgba(47, 47, 47, 0.25);
    display: flex;
    flex-direction: column;
    z-index: var(--z-mobile-panel);
    visibility: hidden;
    will-change: transform, opacity;
}

.mobile-menu-overlay.active .mobile-menu-panel {
    transform: translateX(0);
    visibility: visible;
}

/* Indicador de arraste */
.mobile-menu-drag-handle {
    width: 40px;
    height: 4px;
    background: rgba(92, 65, 48, 0.3);
    border-radius: 2px;
    margin: 12px auto 8px;
    transition: background 0.3s ease;
}

.mobile-menu-panel:hover .mobile-menu-drag-handle {
    background: rgba(92, 65, 48, 0.5);
}

/* Mobile Nav Link */
.mobile-nav-link {
    position: relative;
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    min-height: 44px;
    transition: all var(--transition-base);
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(92, 65, 48, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.mobile-nav-link:active::before {
    width: 300px;
    height: 300px;
}

.mobile-nav-link:active {
    transform: scale(0.98);
}

/* Submenu Mobile Accordion */
.submenu-mobile {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease,
                padding 0.3s ease;
    padding-top: 0;
    padding-bottom: 0;
}

.submenu-mobile[style*="max-height: 0"],
.submenu-mobile[style*="max-height:0"] {
    padding-top: 0;
    padding-bottom: 0;
}

/* Submenu Toggle */
.submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.submenu-arrow {
    transition: transform 0.3s ease;
}

.submenu-toggle[aria-expanded="true"] .submenu-arrow {
    transform: rotate(180deg);
}

/* Mobile Menu Close Button */
.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(234, 232, 219, 0.8);
    border: 1px solid rgba(92, 65, 48, 0.2);
    border-radius: 0.5rem;
    color: var(--color-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.mobile-menu-close:hover {
    background: rgba(234, 232, 219, 1);
    transform: scale(1.05);
}

/* ============================================================================
   SEARCH INLINE EXPANSÍVEL - DESIGN FLUIDO E INTEGRADO
   ============================================================================ */

.header-search-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 2.5rem; /* Altura consistente com outros elementos do header */
    margin: 0;
    padding: 0;
}

/* Botão de Busca (Estado Collapsed) */
.search-toggle-btn {
    position: relative;
    z-index: 2;
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0.5rem;
}

.header-search-wrapper.expanded .search-toggle-btn {
    opacity: 0;
    visibility: hidden;
    width: 0;
    margin: 0;
    padding: 0;
    transform: scale(0);
}

/* Campo de Busca Expandido */
.search-field-expanded {
    position: absolute;
    right: 0;
    top: 0;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px) scale(0.95);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    width: 0;
    overflow: hidden;
}

.header-search-wrapper.expanded .search-field-expanded {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) scale(1);
    pointer-events: all;
    display: block !important;
    width: 320px;
}

.search-field-expanded.hidden {
    display: none !important;
}

.header-search-wrapper.expanded .search-field-expanded.hidden {
    display: block !important;
}

/* Formulário Inline */
.search-form-inline {
    position: relative;
    width: 100%;
}

.search-input-inline-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--color-background);
    border: 2px solid rgba(92, 65, 48, 0.15);
    border-radius: 0.625rem;
    padding: 0.5rem 0.75rem;
    height: 2.5rem;
    box-shadow: 0 2px 8px rgba(47, 47, 47, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.search-input-inline-wrapper:focus-within {
    border-color: var(--color-secondary);
    box-shadow: 0 4px 16px rgba(92, 65, 48, 0.15);
    background: white;
    transform: translateY(-1px);
}

.search-input-icon-inline {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--color-secondary);
    margin-right: 0.625rem;
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.search-input-inline-wrapper:focus-within .search-input-icon-inline {
    opacity: 1;
}

.search-input-inline {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.875rem;
    color: var(--color-primary);
    padding: 0;
    min-width: 0;
    font-weight: 500;
}

.search-input-inline::placeholder {
    color: rgba(47, 47, 47, 0.5);
    font-weight: 400;
}

.search-close-inline {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    margin-left: 0.5rem;
    color: rgba(47, 47, 47, 0.6);
    background: transparent;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.search-close-inline:hover {
    background: rgba(234, 232, 219, 0.8);
    color: var(--color-secondary);
    transform: scale(1.1);
}

.search-close-inline:active {
    transform: scale(0.95);
}

.search-close-inline:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Dropdown de Resultados */
.search-results-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid rgba(92, 65, 48, 0.1);
    border-radius: 0.625rem;
    box-shadow: 0 8px 24px rgba(47, 47, 47, 0.12);
    max-height: 500px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    min-width: 100%;
    margin-top: 0.25rem;
}

.header-search-wrapper.expanded .search-results-dropdown.has-results {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-results-dropdown::-webkit-scrollbar {
    width: 6px;
}

.search-results-dropdown::-webkit-scrollbar-track {
    background: #F9FAFB;
}

.search-results-dropdown::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 3px;
}

.search-results-dropdown::-webkit-scrollbar-thumb:hover {
    background: #9CA3AF;
}


/* Loading Animation */
.search-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #EABD8F;
    border-radius: 50%;
    border-top-color: #5C4130;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Resultados no Dropdown */
.search-results-dropdown .search-results-list {
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
}

.search-results-dropdown .search-result-item {
    display: flex;
    align-items: flex-start;
    padding: 0.875rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.15s ease;
    cursor: pointer;
    margin-bottom: 0.25rem;
}

.search-results-dropdown .search-result-item:hover {
    background: #F9FAFB;
}

.search-results-dropdown .search-result-content {
    flex: 1;
    min-width: 0;
}

.search-results-dropdown .search-result-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #2F2F2F;
    margin: 0 0 0.25rem 0;
    line-height: 1.4;
}

.search-results-dropdown .search-result-item:hover .search-result-title {
    color: #5C4130;
}

.search-results-dropdown .search-result-excerpt {
    font-size: 0.8125rem;
    color: #6B7280;
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.search-results-dropdown .search-result-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #9CA3AF;
    margin-top: 0.5rem;
}

.search-results-dropdown .search-view-all-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    margin: 0.5rem;
    background: linear-gradient(135deg, #5C4130 0%, #EABD8F 100%);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.search-results-dropdown .search-view-all-btn:hover {
    background: linear-gradient(135deg, #2F2F2F 0%, #5C4130 100%);
}

.search-results-dropdown .search-results-initial {
    padding: 2rem 1rem;
    text-align: center;
}

.search-results-dropdown .search-initial-icon {
    width: 3rem;
    height: 3rem;
    color: #D1D5DB;
    margin: 0 auto 1rem;
    opacity: 0.6;
}

.search-results-dropdown .search-initial-text {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #374151;
    margin: 0 0 0.25rem 0;
}

.search-results-dropdown .search-initial-subtext {
    font-size: 0.8125rem;
    color: #6B7280;
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .header-search-wrapper.expanded .search-field-expanded {
        width: 280px;
    }
    
    .search-input-inline-wrapper {
        padding: 0.5rem 0.625rem;
    }
}

@media (max-width: 768px) {
    .header-search-wrapper {
        position: static;
    }

    .header-search-wrapper.expanded .search-field-expanded {
        position: fixed;
        top: 0.75rem;
        left: 1rem;
        right: 1rem;
        width: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
        z-index: 9999;
    }

    .search-input-inline-wrapper {
        min-width: 100%;
        width: 100%;
        max-width: 100%;
        width: 100%;
    }

    .search-results-dropdown {
        position: fixed;
        top: auto;
        left: 0;
        right: 0;
        bottom: 0;
        max-height: calc(100vh - 80px);
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
    }

    .search-results-dropdown .search-result-item {
        padding: 1rem;
    }

    .search-results-dropdown .search-result-title {
        font-size: 1rem;
    }

    .search-results-dropdown .search-result-excerpt {
        font-size: 0.875rem;
    }
}

/* ============================================================================
   STATES & TRANSITIONS
   ============================================================================ */

/* Header Scrolled */
.header-scrolled {
    background: rgba(234, 232, 219, 0.98);
    box-shadow: 0 4px 20px rgba(47, 47, 47, 0.08);
}

/* Header Compact (Desktop) */
.header-compact {
    height: 4rem !important;
}

.header-compact .max-w-7xl > div {
    height: 4rem !important;
}

.header-compact .w-10.h-10,
.header-compact .lg\:w-12.lg\:h-12 {
    width: 2.5rem !important;
    height: 2.5rem !important;
}

.header-compact .text-xl.lg\:text-2xl {
    font-size: 1.125rem !important;
}

.header-compact .text-xs.lg\:text-sm {
    font-size: 0.625rem !important;
}

.header-compact .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.header-scrolled.header-compact {
    box-shadow: 0 6px 30px rgba(47, 47, 47, 0.12);
}

/* Header Hidden (Mobile Scroll) */
.header-hidden {
    transform: translateY(-100%);
}

/* Header oculto quando menu mobile está aberto */
body.mobile-menu-open #main-header,
body.mobile-menu-open .header-container,
body.mobile-menu-open header.header-container {
    display: none !important;
    transform: translateY(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    visibility: hidden !important;
}

/* Backup com classe menu-open */
.header-container.menu-open,
header.header-container.menu-open,
#main-header.menu-open {
    transform: translateY(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    visibility: hidden !important;
}

/* Garantir que todos os elementos filhos do header também desapareçam */
body.mobile-menu-open #main-header *,
body.mobile-menu-open .header-container *,
body.mobile-menu-open header.header-container * {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.header-container.menu-open *,
header.header-container.menu-open *,
#main-header.menu-open * {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* Específico para logo e botão hambúrguer */
.header-container.menu-open .flex-shrink-0,
.header-container.menu-open .mobile-menu-toggle,
header.header-container.menu-open .flex-shrink-0,
header.header-container.menu-open .mobile-menu-toggle,
#main-header.menu-open .flex-shrink-0,
#main-header.menu-open .mobile-menu-toggle,
body.mobile-menu-open .header-container .flex-shrink-0,
body.mobile-menu-open .header-container .mobile-menu-toggle,
body.mobile-menu-open #main-header .flex-shrink-0,
body.mobile-menu-open #main-header .mobile-menu-toggle {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Garantir que botões do header sejam clicáveis */
.header-container:not(.menu-open) button,
.header-container:not(.menu-open) a {
    position: relative;
    z-index: var(--z-header-elements);
    pointer-events: auto !important;
}

.mobile-menu-toggle {
    position: relative;
    z-index: var(--z-mobile-toggle) !important;
    pointer-events: auto !important;
    cursor: pointer !important;
}

/* Ocultar botão hambúrguer quando menu está aberto */
.header-container.menu-open .mobile-menu-toggle,
header.header-container.menu-open .mobile-menu-toggle,
#main-header.menu-open .mobile-menu-toggle,
body.mobile-menu-open .mobile-menu-toggle {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transform: scale(0) !important;
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
}

/* Focus States */
.focus-ring:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 0.5rem;
}

/* Body States */
body.mobile-menu-open,
body.search-open {
    overflow: hidden;
}

/* Ocultar barra de progresso quando menu mobile está aberto */
body.mobile-menu-open .progress-container.reading-progress-bar,
body.mobile-menu-open .reading-progress,
body.mobile-menu-open #progress-bar,
body.mobile-menu-open .scroll-progress {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transform: translateY(-100%) !important;
}

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

@media (max-width: 1024px) {
    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-panel {
        width: 100vw;
        max-width: 100vw;
    }
}