/* ============================================================
   TEMA ESCURO + PAINEL DE CONFIGURAÇÕES
   ------------------------------------------------------------
   O tema escuro usa "inversão inteligente": inverte as cores de
   toda a página (inclusive estilos inline dos módulos) e depois
   contra-inverte imagens/vídeos para que fotos fiquem normais.
   Ativado por  <html data-theme="dark">.
   ============================================================ */

html {
    transition: filter .25s ease;
}

html[data-theme="dark"] {
    background: #0f172a;
    /* 0.92 evita preto/branco puros (fica mais confortável) */
    filter: invert(0.92) hue-rotate(180deg);
}

/* Contra-inverte mídia e o que não deve inverter (fotos, logos, QR, mapas) */
html[data-theme="dark"] img,
html[data-theme="dark"] video,
html[data-theme="dark"] canvas,
html[data-theme="dark"] iframe,
html[data-theme="dark"] embed,
html[data-theme="dark"] object,
html[data-theme="dark"] .no-invert,
html[data-theme="dark"] [data-no-invert] {
    filter: invert(1) hue-rotate(180deg);
}

/* Evita "flash" branco atrás de elementos translúcidos no dark */
html[data-theme="dark"] body {
    background: #f4f4f6; /* após inversão vira um cinza escuro */
}

/* ============================================================
   PAINEL DE CONFIGURAÇÕES (dropdown do ícone de engrenagem)
   ============================================================ */
#cfSettingsOverlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: transparent;
}

#cfSettingsPanel {
    position: fixed;
    top: 58px;
    right: 16px;
    width: 290px;
    max-width: calc(100vw - 24px);
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 20px 55px rgba(0, 0, 0, .22);
    z-index: 9999;
    overflow: hidden;
    animation: cfSettingsIn .16s ease;
    font-family: 'Inter', -apple-system, sans-serif;
}

@keyframes cfSettingsIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.cf-set-header {
    padding: 16px 18px 12px;
    border-bottom: 1px solid #f0f1f4;
}
.cf-set-header h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #14171a;
    display: flex;
    align-items: center;
    gap: 8px;
}
.cf-set-user {
    margin-top: 2px;
    font-size: .8rem;
    color: #657786;
}

.cf-set-section {
    padding: 14px 18px;
}
.cf-set-label {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: #9ca3af;
    margin-bottom: 10px;
}

.cf-theme-options {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}
.cf-theme-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 6px;
    border: 1.5px solid #e1e8ed;
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    font-size: .78rem;
    font-weight: 600;
    color: #374151;
    transition: all .15s ease;
}
.cf-theme-btn i { font-size: 1.15rem; }
.cf-theme-btn:hover { border-color: #cbd5e1; background: #f8fafc; }
.cf-theme-btn.active {
    border-color: #3b82f6;
    background: #eff6ff;
    color: #1d4ed8;
}

.cf-set-footer {
    padding: 12px 18px 16px;
    border-top: 1px solid #f0f1f4;
}
.cf-set-logout {
    width: 100%;
    padding: 10px;
    border: 1.5px solid #fecaca;
    background: #fff;
    color: #dc2626;
    border-radius: 10px;
    font-weight: 600;
    font-size: .88rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background .15s ease;
}
.cf-set-logout:hover { background: #fef2f2; }
