/**
 * Sumário Automático Pro - Estilos do Frontend
 *
 * Design mobile-first, totalmente responsivo.
 * Variáveis CSS para personalização dinâmica via admin.
 *
 * @version 2.0.0
 */

/* ============================================
   VARIÁVEIS CSS
   ============================================ */
:root {
    --sap-cor-primaria:   #6366f1;
    --sap-cor-secundaria: #8b5cf6;
    --sap-cor-fundo:      #f8fafc;
    --sap-cor-texto:      #334155;
    --sap-cor-link:       #4f46e5;
    --sap-cor-link-hover: #6366f1;
    --sap-cor-borda:      #e2e8f0;
    --sap-largura:        100%;
    --sap-tamanho-fonte:  14px;
    --sap-raio-borda:     12px;

    /* Tokens internos */
    --sap-shadow-sm:  0 1px 4px rgba(0,0,0,.06);
    --sap-shadow-md:  0 4px 20px rgba(0,0,0,.08);
    --sap-shadow-lg:  0 8px 32px rgba(0,0,0,.12);
    --sap-accent-bg:  rgba(99,102,241,.07);
    --sap-accent-bg2: rgba(99,102,241,.13);
    --sap-transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ============================================
   CONTAINER PRINCIPAL
   ============================================ */
.sap-container {
    position: relative;
    width: var(--sap-largura);
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    margin: 24px auto;
    background: var(--sap-cor-fundo);
    border: 1px solid var(--sap-cor-borda);
    border-radius: var(--sap-raio-borda);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--sap-tamanho-fonte);
    color: var(--sap-cor-texto);
    line-height: 1.6;
    box-shadow: var(--sap-shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--sap-transition);
}

.sap-container:hover {
    box-shadow: var(--sap-shadow-md);
}

/* Linha de acento no topo */
.sap-container::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sap-cor-primaria), var(--sap-cor-secundaria));
    border-radius: var(--sap-raio-borda) var(--sap-raio-borda) 0 0;
    z-index: 1;
}

/* ============================================
   CABEÇALHO
   ============================================ */
.sap-cabecalho {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    cursor: default;
    user-select: none;
    gap: 8px;
}

.sap-titulo-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0; /* permite truncar texto */
}

/* Ícone */
.sap-icone-sumario {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--sap-cor-primaria), var(--sap-cor-secundaria));
    color: #fff;
    box-shadow: 0 2px 8px rgba(99,102,241,.28);
}

.sap-icone-sumario svg { width: 17px; height: 17px; }

/* Título */
.sap-titulo {
    font-size: 15px;
    font-weight: 700;
    color: var(--sap-cor-texto);
    letter-spacing: -.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Badge de contagem */
.sap-badge {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    padding: 2px 9px;
    font-size: 11px;
    font-weight: 600;
    color: var(--sap-cor-primaria);
    background: var(--sap-accent-bg);
    border-radius: 20px;
    letter-spacing: .03em;
    text-transform: uppercase;
}

/* ============================================
   BOTÃO TOGGLE
   ============================================ */
.sap-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    padding: 0;
    margin: 0;
    background: var(--sap-accent-bg);
    border: 1px solid rgba(99,102,241,.14);
    border-radius: 9px;
    cursor: pointer;
    color: var(--sap-cor-primaria);
    transition: background var(--sap-transition),
                border-color var(--sap-transition),
                transform var(--sap-transition);
    /* Área de toque confortável em mobile */
    touch-action: manipulation;
}

.sap-toggle:hover {
    background: var(--sap-accent-bg2);
    border-color: rgba(99,102,241,.25);
}

.sap-toggle:active { transform: scale(.93); }

.sap-seta {
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}

.sap-toggle.sap-ativo .sap-seta     { transform: rotate(0deg); }
.sap-toggle:not(.sap-ativo) .sap-seta { transform: rotate(-90deg); }

/* ============================================
   BARRA DE PROGRESSO
   ============================================ */
.sap-progresso-container {
    width: 100%;
    height: 2px;
    background: rgba(0,0,0,.04);
    overflow: hidden;
}

.sap-progresso-barra {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--sap-cor-primaria), var(--sap-cor-secundaria));
    transition: width .25s ease-out;
    border-radius: 0 2px 2px 0;
}

/* ============================================
   CONTEÚDO / LISTA
   ============================================ */
.sap-conteudo {
    padding: 4px 16px 16px;
    /* Mobile: limita a altura máxima e permite rolar */
    max-height: 55vh;
    overflow-y: auto;
    overscroll-behavior: contain;
    /* scrollbar fina e discreta */
    scrollbar-width: thin;
    scrollbar-color: rgba(99,102,241,.25) transparent;
    transition: max-height var(--sap-transition),
                opacity .25s ease,
                padding var(--sap-transition);
}

.sap-conteudo::-webkit-scrollbar        { width: 4px; }
.sap-conteudo::-webkit-scrollbar-track  { background: transparent; }
.sap-conteudo::-webkit-scrollbar-thumb  { background: rgba(99,102,241,.25); border-radius: 4px; }

/* ============================================
   LISTAS
   ============================================ */
.sap-lista,
.sap-sublista {
    margin: 0;
    padding: 0;
    list-style: none;
    margin-top: 15px;
}

/* Garante remoção do marker no ol também */
.sap-lista::marker,
.sap-sublista::marker {
    content: '';
}

/* Numeração */
.sap-numerado .sap-lista  { counter-reset: sap-contador; }
.sap-numerado .sap-item   { counter-increment: sap-contador; }

.sap-numerado .sap-link::before {
    content: counters(sap-contador, ".") ". ";
    font-weight: 600;
    color: var(--sap-cor-primaria);
    margin-right: 6px;
    font-size: .9em;
    opacity: .7;
    transition: opacity .2s ease;
    flex-shrink: 0;
    white-space: nowrap;
}

.sap-numerado .sap-link:hover::before { opacity: 1; }

/* Sub-listas — só os estilos visuais (reset já está acima) */
.sap-sublista {
    margin: 0 0 0 10px;
    padding-left: 14px;
    border-left: 2px solid rgba(99,102,241,.1);
    counter-reset: sap-contador;
}

/* Item */
.sap-item {
    position: relative;
    margin: 0;
    list-style: none;
}

/* Remove o ::marker em todos os browsers (Safari, Firefox, Chrome) */
.sap-item::marker {
    content: '';
    display: none;
}

/* ============================================
   LINKS
   ============================================ */
.sap-link {
    display: flex;
    align-items: baseline;
    /* Toque confortável: mín 44px de área em mobile */
    min-height: 44px;
    padding: 8px 10px;
    color: var(--sap-cor-link);
    text-decoration: none;
    border-radius: 7px;
    font-weight: 500;
    line-height: 1.0;
    transition: background var(--sap-transition),
                color var(--sap-transition),
                transform var(--sap-transition);
    position: relative;
}

.sap-link:hover {
    color: var(--sap-cor-link-hover);
    background: var(--sap-accent-bg);
    text-decoration: none;
    transform: translateX(3px);
}

.sap-link:active { transform: translateX(1px); }

/* Indicador lateral */
.sap-link::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 55%;
    min-height: 14px;
    background: linear-gradient(180deg, var(--sap-cor-primaria), var(--sap-cor-secundaria));
    border-radius: 3px;
    transition: transform var(--sap-transition);
}

.sap-link:hover::after { transform: translateY(-50%) scaleY(1); }

/* Link ativo */
.sap-link.sap-link-ativo {
    color: var(--sap-cor-primaria);
    background: var(--sap-accent-bg);
    font-weight: 600;
}

.sap-link.sap-link-ativo::after {
    transform: translateY(-50%) scaleY(1);
    background: var(--sap-cor-primaria);
}

/* Texto do link */
.sap-link-texto { flex: 1; }

/* ============================================
   HIERARQUIA DE NÍVEIS
   ============================================ */
.sap-nivel-1 > .sap-link { font-weight: 700; font-size: 1em; }
.sap-nivel-2 > .sap-link { font-weight: 600; font-size: 2em; }
.sap-nivel-3 > .sap-link { font-weight: 500; font-size: .95em; opacity: .9; }
.sap-nivel-4 > .sap-link { font-weight: 400; font-size: .9em;  opacity: .85; }
.sap-nivel-5 > .sap-link { font-weight: 400; font-size: .85em; opacity: .8; }
.sap-nivel-6 > .sap-link { font-weight: 400; font-size: .8em;  opacity: .75; }

/* Ativo sempre 100% visível */
.sap-nivel-3 > .sap-link.sap-link-ativo,
.sap-nivel-4 > .sap-link.sap-link-ativo,
.sap-nivel-5 > .sap-link.sap-link-ativo,
.sap-nivel-6 > .sap-link.sap-link-ativo { opacity: 1; }

/* ============================================
   BOTÃO VOLTAR AO TOPO
   ============================================ */
.sap-titulo-ancora {
    position: relative;
    scroll-margin-top: 80px;
}

.sap-voltar-topo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    width: 24px;
    height: 24px;
    color: var(--sap-cor-primaria);
    opacity: 0;
    text-decoration: none;
    border-radius: 5px;
    background: var(--sap-accent-bg);
    transition: opacity var(--sap-transition),
                background var(--sap-transition),
                transform var(--sap-transition);
    vertical-align: middle;
}

.sap-titulo-ancora:hover .sap-voltar-topo { opacity: .6; }
.sap-voltar-topo:hover {
    opacity: 1 !important;
    background: var(--sap-accent-bg2);
    transform: translateY(-2px);
}

/* ============================================
   TEMAS
   ============================================ */

/* Escuro */
.sap-tema-escuro {
    --sap-cor-fundo:      #1e293b;
    --sap-cor-texto:      #e2e8f0;
    --sap-cor-link:       #a5b4fc;
    --sap-cor-link-hover: #c7d2fe;
    --sap-cor-borda:      #334155;
    --sap-accent-bg:      rgba(165,180,252,.09);
    --sap-accent-bg2:     rgba(165,180,252,.16);
}

.sap-tema-escuro .sap-titulo        { color: #f1f5f9; }
.sap-tema-escuro .sap-badge         { background: rgba(165,180,252,.12); color: #a5b4fc; }
.sap-tema-escuro .sap-toggle        { background: rgba(165,180,252,.09); border-color: rgba(165,180,252,.16); color: #a5b4fc; }
.sap-tema-escuro .sap-toggle:hover  { background: rgba(165,180,252,.16); }
.sap-tema-escuro .sap-sublista      { border-left-color: rgba(165,180,252,.15); }
.sap-tema-escuro .sap-progresso-container { background: rgba(255,255,255,.06); }
.sap-tema-escuro .sap-voltar-topo   { color: #a5b4fc; }
.sap-tema-escuro .sap-link.sap-link-ativo { color: #c7d2fe; }

/* Claro minimalista */
.sap-tema-claro {
    --sap-cor-fundo: #ffffff;
    --sap-cor-borda: #f1f5f9;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}

.sap-tema-claro::before { height: 2px; background: #e2e8f0; }
.sap-tema-claro .sap-icone-sumario { background: #f1f5f9; color: var(--sap-cor-primaria); box-shadow: none; }

/* Moderno (glassmorphism) */
.sap-tema-moderno {
    background: rgba(248,250,252,.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-color: rgba(226,232,240,.65);
}

/* ============================================
   ANIMAÇÃO DE ENTRADA
   ============================================ */
.sap-animado {
    animation: sapEntrada .45s cubic-bezier(0.4,0,0.2,1) forwards;
}

@keyframes sapEntrada {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.sap-animado .sap-item {
    animation: sapItemEntrada .3s ease forwards;
    opacity: 0;
}

.sap-animado .sap-item:nth-child(1)   { animation-delay: .04s; }
.sap-animado .sap-item:nth-child(2)   { animation-delay: .07s; }
.sap-animado .sap-item:nth-child(3)   { animation-delay: .10s; }
.sap-animado .sap-item:nth-child(4)   { animation-delay: .13s; }
.sap-animado .sap-item:nth-child(5)   { animation-delay: .16s; }
.sap-animado .sap-item:nth-child(6)   { animation-delay: .19s; }
.sap-animado .sap-item:nth-child(7)   { animation-delay: .22s; }
.sap-animado .sap-item:nth-child(8)   { animation-delay: .25s; }
.sap-animado .sap-item:nth-child(9)   { animation-delay: .28s; }
.sap-animado .sap-item:nth-child(10)  { animation-delay: .31s; }
.sap-animado .sap-item:nth-child(n+11){ animation-delay: .34s; }

@keyframes sapItemEntrada {
    from { opacity: 0; transform: translateX(-6px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ============================================
   RESPONSIVIDADE — TABLET  (≥ 600px)
   ============================================ */
@media (min-width: 600px) {
    .sap-cabecalho {
        padding: 16px 20px;
    }

    .sap-conteudo {
        padding: 4px 20px 20px;
        /* Em tablet já dá mais espaço */
        max-height: 70vh;
    }

    .sap-link {
        min-height: 40px;
        padding: 7px 12px;
    }

    .sap-titulo { font-size: 16px; }
}

/* ============================================
   RESPONSIVIDADE — DESKTOP  (≥ 960px)
   ============================================ */
@media (min-width: 960px) {
    .sap-container {
        margin: 32px auto;
    }

    .sap-conteudo {
        /* No desktop sem limite de altura — mostra tudo */
        max-height: none;
        overflow-y: visible;
    }

    .sap-link {
        min-height: 36px;
        padding: 7px 12px;
        font-size: var(--sap-tamanho-fonte);
    }

    .sap-link:hover { transform: translateX(4px); }
}

/* ============================================
   MOBILE PEQUENO  (< 400px)
   ============================================ */
@media (max-width: 399px) {
    .sap-badge { display: none; }

    .sap-titulo { font-size: 14px; }

    .sap-icone-sumario { width: 30px; height: 30px; }
    .sap-icone-sumario svg { width: 15px; height: 15px; }

    .sap-sublista {
        padding-left: 10px;
        margin-left: 4px;
    }
}

/* ============================================
   MOBILE 320px — MÍNIMO SUPORTADO
   ============================================ */
@media (max-width: 516px) {
    :root {
        --sap-tamanho-fonte: 13px;
        --sap-raio-borda: 8px;
    }

    .sap-container {
        margin: 16px 0;
        /* Garante que não ultrapassa a largura da tela */
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .sap-cabecalho {
        padding: 10px 12px;
        gap: 6px;
    }

    /* Ícone menor */
    .sap-icone-sumario {
        width: 28px;
        height: 28px;
        border-radius: 7px;
    }
    .sap-icone-sumario svg { width: 14px; height: 14px; }

    /* Badge oculto */
    .sap-badge { display: none; }

    /* Título compacto */
    .sap-titulo {
        font-size: 13px;
        letter-spacing: 0;
    }

    /* Toggle menor mas ainda tocável */
    .sap-toggle {
        width: 32px;
        height: 32px;
        border-radius: 7px;
    }

    .sap-conteudo {
        padding: 2px 10px 12px;
        max-height: 50vh;
    }

    /* Links: fonte menor, padding justo mas ainda toque confortável */
    .sap-link {
        padding: 0px 14px 0px;
        min-height: 10px;
        font-size: 13px;
        border-radius: 6px;
        line-height: 1.2;
    }

    /* Numeração mais curta */
    .sap-numerado .sap-link::before {
        font-size: .85em;
        margin-right: 4px;
    }

    /* Sub-níveis: recuo mínimo para caber em 320px */
    .sap-sublista {
        margin-left: 2px;
        padding-left: 8px;
        border-left-width: 1px;
    }

    /* Oculta níveis muito profundos se não houver espaço */
    .sap-nivel-5 > .sap-link,
    .sap-nivel-6 > .sap-link {
        font-size: .8em;
        padding: 4px 6px;
        min-height: 36px;
    }

    /* Botão voltar ao topo menor */
    .sap-voltar-topo {
        width: 20px;
        height: 20px;
        margin-left: 4px;
    }
}

/* ============================================
   ACESSIBILIDADE — FOCO VISÍVEL
   ============================================ */
.sap-link:focus-visible {
    outline: 2px solid var(--sap-cor-primaria);
    outline-offset: 2px;
    border-radius: 7px;
}

.sap-toggle:focus-visible {
    outline: 2px solid var(--sap-cor-primaria);
    outline-offset: 2px;
}

/* ============================================
   DESTAQUE TEMPORÁRIO NOS TÍTULOS
   ============================================ */
.sap-titulo-destaque {
    animation: sapDestaque 2s ease forwards;
}

@keyframes sapDestaque {
    0%   { background-color: rgba(99,102,241,.14); border-radius: 6px; }
    70%  { background-color: rgba(99,102,241,.06); }
    100% { background-color: transparent; }
}

/* ============================================
   MOVIMENTO REDUZIDO
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .sap-animado,
    .sap-animado .sap-item { animation: none; opacity: 1; }

    .sap-container,
    .sap-toggle,
    .sap-link,
    .sap-seta,
    .sap-progresso-barra { transition: none; }
}

/* ============================================
   IMPRESSÃO
   ============================================ */
@media print {
    .sap-toggle,
    .sap-voltar-topo,
    .sap-progresso-container { display: none !important; }

    .sap-container {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
        max-height: none !important;
    }

    .sap-conteudo {
        display: block !important;
        max-height: none !important;
        overflow: visible !important;
    }

    .sap-link { color: #333 !important; }
}