/* ============================================================
   Barra das 4 areas do app (Hoje, Aprender, Praticar, Eu) -- 19/10/2026.
   Computador: no meio da navbar do topo. Celular: presa embaixo da tela,
   com a mesma cor da navbar (ela e escura nos dois temas).
   ============================================================ */

.app-tabs {
    display: flex;
    align-items: stretch;
    gap: 4px;
}
.app-tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.15s ease, background 0.15s ease;
}
.app-tab:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.app-tab.is-ativa { color: #38BDF8; background: rgba(56, 189, 248, 0.14); }

.app-tab-avatar {
    position: relative;
    display: inline-flex;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: visible;
}
.app-tab-avatar img,
.app-tab-avatar .eng-navbar-avatar-ini {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    font-size: 0.75rem;
}
.app-tab.is-ativa .app-tab-avatar img,
.app-tab.is-ativa .app-tab-avatar .eng-navbar-avatar-ini { box-shadow: 0 0 0 2px #38BDF8; }
.app-tab-badge {
    position: absolute;
    top: -5px;
    right: -8px;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    border-radius: 999px;
    background: #EF4444;
    color: #fff;
    font-size: 0.68rem;
    font-weight: 800;
    line-height: 17px;
    text-align: center;
}

/* ---------- Celular: barra embaixo ---------- */
@media (max-width: 820px) {
    .app-tabs {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 60;
        gap: 0;
        justify-content: space-around;
        padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
        background: #0b1120;
        border-top: 1px solid rgba(148, 163, 184, 0.18);
    }
    .app-tab {
        flex: 1;
        flex-direction: column;
        justify-content: center;
        gap: 3px;
        padding: 6px 2px;
        border-radius: 12px;
        font-size: 0.72rem;
    }
    .app-tab.is-ativa { background: transparent; }
    /* conteudo nao fica escondido atras da barra */
    body.com-abas { padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px)); }
}

/* ---------- Pagina "Eu" ---------- */
.eu-section { max-width: 620px; margin: 0 auto; }
.eu-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.eu-avatar {
    width: 64px; height: 64px; flex: none; border-radius: 50%; overflow: hidden;
    display: inline-flex; border: 2px solid var(--border);
}
.eu-avatar img, .eu-avatar .eng-navbar-avatar-ini { width: 100%; height: 100%; object-fit: cover; font-size: 1.5rem; }
.eu-nome { margin: 0 0 4px; font-size: 1.4rem; color: var(--text); }
.eu-meta { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); font-size: 0.9rem; }

.eu-assinar {
    display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 12px;
    margin-bottom: 24px; padding: 16px 18px; border-radius: var(--r);
    background: var(--blue-dim); border: 1px solid rgba(56, 189, 248, 0.35);
    color: var(--text); text-decoration: none;
}
.eu-assinar span:not(.btn) { grid-column: 1; color: var(--muted); font-size: 0.88rem; }
.eu-assinar .btn { grid-column: 2; grid-row: 1 / span 2; }

.eu-grupo {
    margin: 22px 0 8px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--muted);
}
.eu-lista {
    display: flex; flex-direction: column; border-radius: var(--r); overflow: hidden;
    background: var(--card); border: 1px solid var(--border);
}
.eu-item {
    display: flex; flex-direction: column; gap: 2px; width: 100%;
    padding: 13px 16px; text-align: left; font: inherit; cursor: pointer;
    background: none; border: 0; border-bottom: 1px solid var(--border);
    color: var(--text); text-decoration: none;
}
.eu-item:last-child { border-bottom: 0; }
.eu-item:hover { background: var(--card-hover); }
.eu-item strong { font-size: 0.98rem; }
.eu-item span { color: var(--muted); font-size: 0.85rem; }
.eu-item strong .eng-navbar-badge { color: #fff; font-size: .7rem; }
.eu-sair { margin-top: 24px; }