/*
 * bottom-nav.css
 * Barra inferior de navegacao — estilos centralizados para todo o site.
 *
 * Cobre as duas classes usadas nas paginas:
 *   .az-site-bottom-nav  (header.inc.php)
 *   .feed-bottom-nav     (app/barra_navegacao.php)
 */

/* ─── Base (compartilhado) ─────────────────────────────────────── */
.az-site-bottom-nav,
.feed-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: grid;
    width: 100%;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    background: rgba(8, 12, 24, 0.97);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.az-site-bottom-nav a,
.feed-bottom-nav a {
    position: relative;
    color: #c7d4ee;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 4px 9px;
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    font-size: 11px;
    cursor: pointer;
}

.az-site-bottom-nav a i,
.feed-bottom-nav a i {
    font-size: 16px;
}

.az-site-bottom-nav a.active,
.feed-bottom-nav a.active {
    color: #fff;
}

.az-site-bottom-nav .notif-badge,
.feed-bottom-nav .notif-badge {
    position: absolute;
    top: 6px;
    right: 18%;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    background: #ff4b4b;
    color: #fff;
    padding: 0 4px;
    font-size: 10px;
    font-style: normal;
    line-height: 16px;
    text-align: center;
}

/* ─── Reserva espaco no body para a barra fixa ─────────────────── */
body {
    padding-bottom: calc(52px + env(safe-area-inset-bottom, 0px));
}

/* ─── Loading state (navegacao em progresso) ────────────────────── */
.az-site-bottom-nav.az-nav-is-loading::before,
.feed-bottom-nav.az-nav-is-loading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0), #fff, rgba(255,255,255,0));
    background-size: 180% 100%;
    animation: az-bottom-nav-loading 1s linear infinite;
}

.az-site-bottom-nav a.nav-loading,
.feed-bottom-nav a.nav-loading {
    color: #fff;
}

.az-site-bottom-nav a.nav-loading i,
.feed-bottom-nav a.nav-loading i {
    opacity: 0;
}

.az-site-bottom-nav a.nav-loading::after,
.feed-bottom-nav a.nav-loading::after {
    content: '';
    position: absolute;
    top: 11px;
    left: 50%;
    width: 16px;
    height: 16px;
    margin-left: -8px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    animation: az-bottom-nav-spin .75s linear infinite;
}

@keyframes az-bottom-nav-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes az-bottom-nav-loading {
    from { background-position: 180% 0; }
    to   { background-position: 0 0; }
}

/* ─── Shorts: cancela o padding-bottom do body (fullscreen) ──────── */
body.shorts-page {
    padding-bottom: 0 !important;
}