/* ═══════════════════════════════════════════════════════════
   pwa.css — Instalação, atualização, conexão e ajustes de app
   ═══════════════════════════════════════════════════════════ */

.pwa-install-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    height: 36px;
    padding: 0 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(214, 22, 22, 0.08);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.pwa-install-btn:hover {
    background: rgba(214, 22, 22, 0.18);
    border-color: var(--accent-red, #d61616);
}
.pwa-install-btn i { color: var(--accent-red, #d61616); }

.pwa-update-banner {
    position: fixed;
    left: 50%;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    transform: translateX(-50%);
    z-index: 10040;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: calc(100vw - 2rem);
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--card-bg, #1e1e24);
    color: var(--text-main, #fff);
    font-size: 0.82rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}
.pwa-update-banner button {
    border: none;
    border-radius: 8px;
    padding: 0.45rem 0.8rem;
    background: var(--accent-red, #d61616);
    color: #fff;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.pwa-offline-toast {
    position: fixed;
    left: 50%;
    top: calc(0.75rem + env(safe-area-inset-top, 0px));
    transform: translate(-50%, -150%);
    z-index: 10060;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    background: #b01010;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    transition: transform 0.25s ease;
    pointer-events: none;
}
.pwa-offline-toast.aberto { transform: translate(-50%, 0); }

/* Em modo app (standalone), respeita a área segura no topo. */
@media (display-mode: standalone) {
    .header {
        margin-top: calc(0.5rem + env(safe-area-inset-top, 0px));
    }
}

@media (max-width: 480px) {
    .pwa-install-btn span { display: none; }
    .pwa-install-btn { padding: 0 0.6rem; }
}

/* ═══════════════════════════════════════════════════════════
   Bottom navigation (mobile)
   ═══════════════════════════════════════════════════════════ */
.bottom-nav { display: none; }

@media (max-width: 768px) {
    .bottom-nav {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 990;
        gap: 0.25rem;
        padding: 0.35rem 0.5rem calc(0.35rem + env(safe-area-inset-bottom, 0px));
        background: var(--bg-hover, #17171b);
        border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
        box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
    }

    .bottom-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        min-height: 50px;
        border: none;
        border-radius: 10px;
        background: transparent;
        color: var(--text-muted, #a0a0a0);
        font-family: inherit;
        font-size: 0.66rem;
        font-weight: 600;
        text-decoration: none;
        cursor: pointer;
        transition: color 0.15s, background 0.15s;
    }

    .bottom-nav-item i { font-size: 1.12rem; }
    .bottom-nav-item.ativo {
        color: var(--accent-red, #d61616);
        background: rgba(214, 22, 22, 0.1);
    }

    body.has-bottom-nav {
        padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    }

    /* Flutuantes acima da barra inferior */
    body.has-bottom-nav .chat-launcher {
        bottom: calc(72px + env(safe-area-inset-bottom, 0px) + 12px);
    }
    body.has-bottom-nav .chat-panel {
        bottom: calc(72px + env(safe-area-inset-bottom, 0px) + 12px);
        height: min(540px, calc(100dvh - 190px));
        max-height: calc(100dvh - 190px);
    }
    body.has-bottom-nav #upBtn {
        bottom: calc(72px + env(safe-area-inset-bottom, 0px) + 74px);
    }
    body.has-bottom-nav .pwa-update-banner {
        bottom: calc(72px + env(safe-area-inset-bottom, 0px) + 8px);
    }

    /* Overlay do drawer (antes não estilizado) */
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 998;
        background: rgba(0, 0, 0, 0.55);
        -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px);
    }
    .sidebar-overlay.active { display: block; }
    body.sidebar-open { overflow: hidden; }
}

/* ═══════════════════════════════════════════════════════════
   Viewport dinâmico e área segura
   ═══════════════════════════════════════════════════════════ */
@supports (height: 100dvh) {
    body,
    .app-shell { min-height: 100dvh; }
    .main-content { min-height: calc(100dvh - var(--header-height)); }
    .login-layout { min-height: 100dvh; }
}

@media (max-width: 480px) {
    .main-container { padding: 1rem; }
}

/* ═══════════════════════════════════════════════════════════
   Modais como bottom-sheet no mobile
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
    body .hub-modal-overlay {
        align-items: flex-end;
        padding: 0;
    }
    body .hub-modal,
    body .hub-modal.hub-modal-wide {
        width: 100%;
        max-width: 100%;
        max-height: 90dvh;
        overflow-y: auto;
        border-radius: 18px 18px 0 0;
        padding-bottom: calc(1.35rem + env(safe-area-inset-bottom, 0px));
    }
}

/* ═══════════════════════════════════════════════════════════
   Alvos de toque e zoom do iOS
   ═══════════════════════════════════════════════════════════ */
@media (pointer: coarse) {
    .feed-ico-btn,
    .feed-action-btn,
    .notif-bell,
    .chat-icon-btn,
    .pwa-install-btn { min-height: 40px; }

    .nav-item { min-height: 46px; }
}

@supports (-webkit-touch-callout: none) {
    @media (max-width: 768px) {
        input,
        select,
        textarea { font-size: 16px; }
    }
}

/* ═══════════════════════════════════════════════════════════
   Ajustes por página
   ═══════════════════════════════════════════════════════════ */

/* Login */
@media (max-width: 960px) {
    .login-panel { padding-top: calc(80px + env(safe-area-inset-top, 0px)); }
}

/* Feed */
@media (max-width: 480px) {
    .feed-imagem-preview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .feed-composer-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .feed-composer-right {
        width: 100%;
        justify-content: space-between;
    }
    .feed-composer-right .feed-btn.primary {
        flex: 1;
        justify-content: center;
    }
    .feed-post-actions { flex-wrap: wrap; }
}

/* Desabafo */
@media (max-width: 600px) {
    .desabafo-wrap { margin: 0.75rem auto 2rem; }
    .desabafo-composer-acoes { flex-wrap: wrap; }
    .desabafo-count { margin-left: 0; }
    .desabafo-meta,
    .desabafo-mod { flex-wrap: wrap; }
}

/* Acessos & Cargos */
@media (max-width: 640px) {
    .adm-row {
        flex-direction: column;
        align-items: stretch;
    }
    .adm-row .adm-input,
    .adm-row .adm-select,
    .adm-row .adm-btn { width: 100%; }
    .matrix {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}

/* Chat em telas estreitas */
@media (max-width: 560px) {
    .chat-panel {
        left: 2vw;
        right: 2vw;
        width: auto;
    }
}

/* Fallback: botão de instalação flutuante em páginas sem header padrão */
.pwa-install-btn.pwa-install-flutuante {
    position: fixed;
    left: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    z-index: 10040;
    background: var(--card-bg, #1e1e24);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
}
@media (max-width: 768px) {
    body.has-bottom-nav .pwa-install-btn.pwa-install-flutuante {
        bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    }
}