/**
 * ============================================================================
 * BREADCRUMB COMPONENT
 * ============================================================================
 *
 * Sistema de breadcrumbs (migalhas de pão) para navegação hierárquica.
 *
 * FEATURES:
 * - Breadcrumbs padrão com separadores
 * - Variantes de tamanho (sm, md, lg)
 * - Separadores customizáveis (chevron, slash, dot, arrow)
 * - Breadcrumbs com ícones
 * - Breadcrumbs colapsáveis (com dropdown para muitos itens)
 * - Dark mode otimizado
 * - Acessibilidade (ARIA, keyboard)
 * - Responsivo (colapsa em mobile)
 *
 * USAGE:
 * <nav class="breadcrumb" aria-label="breadcrumb">
 *   <ol class="breadcrumb-list">
 *     <li class="breadcrumb-item"><a href="/">Home</a></li>
 *     <li class="breadcrumb-item"><a href="/page">Page</a></li>
 *     <li class="breadcrumb-item active">Current</li>
 *   </ol>
 * </nav>
 *
 * @version 1.0.0
 * @author SIDASP Design System
 */

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

.breadcrumb {
    margin-bottom: 20px;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: nowrap; /* Override: Sempre em uma linha - não quebrar */
    align-items: center;
    gap: 8px;
    padding: 0;
    margin: 0;
    list-style: none;
    font-family: var(--font-body, 'Inter', sans-serif);
    max-width: 100%;
    /* Sem scrollbar visível - texto será truncado se necessário */
}

/* Versão alternativa com scrollbar oculta (mantém funcionalidade de scroll) */
.breadcrumb-list-scrollable {
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none; /* Firefox: ocultar scrollbar */
    -ms-overflow-style: none; /* IE/Edge: ocultar scrollbar */
}

/* Chrome/Safari: ocultar scrollbar mas manter funcionalidade */
.breadcrumb-list-scrollable::-webkit-scrollbar {
    display: none;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    flex-shrink: 0; /* Não permitir que itens encolham */
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-secondary, #747A8F);
}

.breadcrumb-item a {
    color: var(--color-text-secondary, #747A8F);
    text-decoration: none;
    transition: color 0.2s ease;
    white-space: nowrap; /* Não quebrar texto dos links */
}

.breadcrumb-item a:hover {
    color: var(--color-accent-300);
    text-decoration: underline;
}

.breadcrumb-item a:focus {
    outline: 2px solid var(--color-accent-300);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Item ativo (página atual) */
.breadcrumb-item.active,
.breadcrumb-item[aria-current="page"] {
    color: var(--color-text-primary, var(--color-neutral-800));
    font-weight: 500;
    white-space: nowrap; /* Não quebrar texto do item ativo */
}

/* Garantir que span e strong também não quebrem */
.breadcrumb-item span,
.breadcrumb-item strong {
    white-space: nowrap;
}

/* ============================================================================
   SEPARADORES
   ============================================================================ */

/* Separador padrão (chevron) */
.breadcrumb-item:not(:last-child)::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23747A8F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.6;
}

/* Separador slash (/) */
.breadcrumb-slash .breadcrumb-item:not(:last-child)::after {
    content: '/';
    background-image: none;
    width: auto;
    height: auto;
    font-size: 14px;
    opacity: 0.5;
}

/* Separador dot (•) */
.breadcrumb-dot .breadcrumb-item:not(:last-child)::after {
    content: '•';
    background-image: none;
    width: auto;
    height: auto;
    font-size: 18px;
    opacity: 0.5;
    line-height: 1;
}

/* Separador arrow (→) */
.breadcrumb-arrow .breadcrumb-item:not(:last-child)::after {
    content: '→';
    background-image: none;
    width: auto;
    height: auto;
    font-size: 14px;
    opacity: 0.6;
}

/* Separador greater than (>) */
.breadcrumb-gt .breadcrumb-item:not(:last-child)::after {
    content: '>';
    background-image: none;
    width: auto;
    height: auto;
    font-size: 14px;
    opacity: 0.5;
}

/* Sem separador */
.breadcrumb-no-separator .breadcrumb-item:not(:last-child)::after {
    display: none;
}

/* ============================================================================
   TAMANHOS
   ============================================================================ */

/* Small */
.breadcrumb-sm .breadcrumb-item {
    font-size: 12px;
    gap: 6px;
}

.breadcrumb-sm .breadcrumb-item:not(:last-child)::after {
    width: 14px;
    height: 14px;
}

/* Medium (padrão) */
.breadcrumb-md .breadcrumb-item,
.breadcrumb-item {
    font-size: 14px;
    gap: 8px;
}

/* Large */
.breadcrumb-lg .breadcrumb-item {
    font-size: 16px;
    gap: 10px;
}

.breadcrumb-lg .breadcrumb-item:not(:last-child)::after {
    width: 18px;
    height: 18px;
}

/* ============================================================================
   BREADCRUMBS COM ÍCONES
   ============================================================================ */

.breadcrumb-icon {
    display: flex;
    align-items: center;
    gap: 4px;
}

.breadcrumb-item .material-icons {
    font-size: 18px;
    vertical-align: middle;
}

.breadcrumb-sm .breadcrumb-item .material-icons {
    font-size: 16px;
}

.breadcrumb-lg .breadcrumb-item .material-icons {
    font-size: 20px;
}

/* Home icon */
.breadcrumb-item-home .material-icons {
    font-size: 20px;
}

/* ============================================================================
   BREADCRUMB COM FUNDO
   ============================================================================ */

.breadcrumb-container {
    padding: 12px 16px;
    background: var(--color-bg-secondary, #F8F9FB);
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--color-border, var(--color-neutral-300));
}

.breadcrumb-container .breadcrumb {
    margin-bottom: 0;
}

/* ============================================================================
   BREADCRUMB COLAPSÁVEL (Dropdown para muitos itens)
   ============================================================================ */

.breadcrumb-collapsed {
    position: relative;
}

.breadcrumb-ellipsis {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-secondary, #747A8F);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.breadcrumb-ellipsis:hover {
    background: var(--color-bg-secondary, #F8F9FB);
}

.breadcrumb-ellipsis::before {
    content: '•••';
    font-size: 16px;
    font-weight: bold;
}

/* Dropdown de itens colapsados */
.breadcrumb-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 1000;
    min-width: 200px;
    padding: 8px 0;
    background: var(--color-bg-primary, var(--color-text-light));
    border: 1px solid var(--color-border, var(--color-neutral-300));
    border-radius: var(--radius-md, 8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.2s ease;
}

.breadcrumb-ellipsis:hover .breadcrumb-dropdown,
.breadcrumb-ellipsis:focus-within .breadcrumb-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.breadcrumb-dropdown-item {
    display: block;
    padding: 8px 16px;
    color: var(--color-text-secondary, #747A8F);
    text-decoration: none;
    transition: all 0.2s ease;
}

.breadcrumb-dropdown-item:hover {
    background: var(--color-bg-secondary, #F8F9FB);
    color: var(--color-accent-300);
}

/* ============================================================================
   BREADCRUMB VARIANTES DE ESTILO
   ============================================================================ */

/* Underline */
.breadcrumb-underline .breadcrumb-item a {
    position: relative;
    padding-bottom: 2px;
}

.breadcrumb-underline .breadcrumb-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-300);
    transition: width 0.2s ease;
}

.breadcrumb-underline .breadcrumb-item a:hover::after {
    width: 100%;
}

/* Pill */
.breadcrumb-pill .breadcrumb-item a {
    padding: 4px 12px;
    border-radius: 16px;
    transition: all 0.2s ease;
}

.breadcrumb-pill .breadcrumb-item a:hover {
    background: var(--color-bg-secondary, #F8F9FB);
    text-decoration: none;
}

.breadcrumb-pill .breadcrumb-item.active {
    padding: 4px 12px;
    background: var(--color-accent-300);
    color: var(--color-text-light);
    border-radius: 16px;
}

/* Background */
.breadcrumb-bg .breadcrumb-item a {
    padding: 6px 12px;
    border-radius: var(--radius-sm, 6px);
    transition: all 0.2s ease;
}

.breadcrumb-bg .breadcrumb-item a:hover {
    background: var(--color-bg-secondary, #F8F9FB);
    text-decoration: none;
}

.breadcrumb-bg .breadcrumb-item.active {
    padding: 6px 12px;
    background: var(--color-bg-secondary, #F8F9FB);
    border-radius: var(--radius-sm, 6px);
}

/* ============================================================================
   BREADCRUMB COM CORES
   ============================================================================ */

/* Primary */
.breadcrumb-primary .breadcrumb-item a:hover,
.breadcrumb-primary .breadcrumb-item.active {
    color: var(--color-accent-300);
}

/* Success */
.breadcrumb-success .breadcrumb-item a:hover,
.breadcrumb-success .breadcrumb-item.active {
    color: #47B881;
}

/* Warning */
.breadcrumb-warning .breadcrumb-item a:hover,
.breadcrumb-warning .breadcrumb-item.active {
    color: #F7B500;
}

/* Error */
.breadcrumb-error .breadcrumb-item a:hover,
.breadcrumb-error .breadcrumb-item.active {
    color: var(--color-red-400);
}

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

@media (max-width: 768px) {
    /* Breadcrumb menor em mobile */
    .breadcrumb-item {
        font-size: 13px;
    }

    .breadcrumb-lg .breadcrumb-item {
        font-size: 14px;
    }

    /* Esconde itens intermediários automaticamente */
    .breadcrumb-responsive .breadcrumb-item:not(:first-child):not(:last-child):not(.breadcrumb-ellipsis) {
        display: none;
    }

    /* Mostra apenas primeiro, ellipsis e último */
    .breadcrumb-responsive .breadcrumb-ellipsis {
        display: flex;
    }

    /* Container com menos padding */
    .breadcrumb-container {
        padding: 8px 12px;
    }
}

@media (max-width: 480px) {
    /* Breadcrumb ainda menor em telas muito pequenas */
    .breadcrumb-item {
        font-size: 12px;
        gap: 6px;
    }

    .breadcrumb-item:not(:last-child)::after {
        width: 14px;
        height: 14px;
    }

    /* Esconde texto, mostra apenas ícones */
    .breadcrumb-icon-only .breadcrumb-item a {
        font-size: 0;
    }

    .breadcrumb-icon-only .breadcrumb-item .material-icons {
        font-size: 20px;
    }
}

/* ============================================================================
   DARK MODE
   ============================================================================ */

.dark .breadcrumb-item {
    color: #9CA3B8;
}

.dark .breadcrumb-item a {
    color: #9CA3B8;
}

.dark .breadcrumb-item a:hover {
    color: var(--color-accent-300);
}

.dark .breadcrumb-item.active,
.dark .breadcrumb-item[aria-current="page"] {
    color: var(--color-neutral-300);
}

/* Separador dark */
.dark .breadcrumb-item:not(:last-child)::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239CA3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Container dark */
.dark .breadcrumb-container {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-border-dark, #2A2D3A);
}

/* Ellipsis dark */
.dark .breadcrumb-ellipsis:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Dropdown dark */
.dark .breadcrumb-dropdown {
    background: var(--color-bg-dark, #1A1D29);
    border-color: var(--color-border-dark, #2A2D3A);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.dark .breadcrumb-dropdown-item {
    color: #9CA3B8;
}

.dark .breadcrumb-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-accent-300);
}

/* Pill dark */
.dark .breadcrumb-pill .breadcrumb-item a:hover {
    background: rgba(255, 255, 255, 0.05);
}

.dark .breadcrumb-pill .breadcrumb-item.active {
    background: var(--color-accent-300);
}

/* Background dark */
.dark .breadcrumb-bg .breadcrumb-item a:hover {
    background: rgba(255, 255, 255, 0.05);
}

.dark .breadcrumb-bg .breadcrumb-item.active {
    background: rgba(255, 255, 255, 0.05);
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

/* Screen reader only */
.breadcrumb-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible */
.breadcrumb-item a:focus-visible {
    outline: 2px solid var(--color-accent-300);
    outline-offset: 2px;
    border-radius: 4px;
}

/* High contrast */
@media (prefers-contrast: high) {
    .breadcrumb-item a {
        text-decoration: underline;
    }

    .breadcrumb-item:not(:last-child)::after {
        opacity: 1;
        font-weight: bold;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .breadcrumb-item a,
    .breadcrumb-dropdown {
        transition: none;
    }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    .breadcrumb-container {
        border: none;
        background: none;
        padding: 0;
    }

    .breadcrumb-item a {
        color: #000000;
        text-decoration: underline;
    }

    .breadcrumb-dropdown {
        display: none;
    }

    /* Mostra todos os itens ao imprimir */
    .breadcrumb-responsive .breadcrumb-item {
        display: flex !important;
    }

    .breadcrumb-ellipsis {
        display: none !important;
    }
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

/* Truncate long breadcrumb items */
.breadcrumb-item-truncate {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.breadcrumb-item-truncate a {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Breadcrumb sem wrap */
.breadcrumb-nowrap .breadcrumb-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
}

.breadcrumb-nowrap .breadcrumb-list::-webkit-scrollbar {
    height: 4px;
}

.breadcrumb-nowrap .breadcrumb-list::-webkit-scrollbar-track {
    background: transparent;
}

.breadcrumb-nowrap .breadcrumb-list::-webkit-scrollbar-thumb {
    background: rgba(200, 205, 219, 0.5);
    border-radius: 2px;
}

/* ============================================================================
   ANIMAÇÕES
   ============================================================================ */

/* Fade in animation */
@keyframes breadcrumb-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.breadcrumb-animated {
    animation: breadcrumb-fade-in 0.3s ease;
}

/* Slide in animation para itens */
@keyframes breadcrumb-item-slide {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.breadcrumb-item-animated {
    animation: breadcrumb-item-slide 0.3s ease;
    animation-fill-mode: both;
}

/* Stagger delay para múltiplos itens */
.breadcrumb-item-animated:nth-child(1) { animation-delay: 0s; }
.breadcrumb-item-animated:nth-child(2) { animation-delay: 0.05s; }
.breadcrumb-item-animated:nth-child(3) { animation-delay: 0.1s; }
.breadcrumb-item-animated:nth-child(4) { animation-delay: 0.15s; }
.breadcrumb-item-animated:nth-child(5) { animation-delay: 0.2s; }
.breadcrumb-item-animated:nth-child(6) { animation-delay: 0.25s; }