/* FILE: features/feed.css
   PURPOSE: Estilos partilhados de feed/hub (Eventos, EventosCategoria, EventosLocalidade,
            EventosLocalidadeCategoria). Cross-component => global em vez de scoped.
   TOKENS:  tokens.css.
   AI-NOTE: Mobile-first. Não duplicar estas regras em ficheiros .razor.css scoped. */

.feed {
    display: flex;
    flex-direction: column;
    gap: var(--pe-space-8);
    min-width: 0;
}

/* ───── Hero / cabeçalho ─────────────────────────────────── */
.feed__hero {
    display: flex;
    flex-direction: column;
    gap: var(--pe-space-2);
    padding-block: var(--pe-space-2);
}
.feed__hero h1 {
    font-size: clamp(var(--pe-text-3xl), 5vw, var(--pe-text-5xl));
    line-height: var(--pe-leading-tight);
    letter-spacing: var(--pe-tracking-tight);
    margin: 0;
}
.feed__hero p {
    margin: 0;
    color: var(--pe-color-muted);
    font-size: var(--pe-text-lg);
    max-width: 60ch;
}

.feed__back {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: var(--pe-space-1);
    font-size: var(--pe-text-sm);
    font-weight: 500;
    color: var(--pe-color-muted);
    text-decoration: none;
    padding: var(--pe-space-1) var(--pe-space-3);
    margin-left: calc(var(--pe-space-3) * -1);
    border-radius: var(--pe-radius-pill);
    transition: background-color var(--pe-motion-fast) var(--pe-easing-standard),
                color var(--pe-motion-fast) var(--pe-easing-standard);
}
.feed__back:hover { background: var(--pe-color-surface-2); color: var(--pe-color-text); }
.feed__back-ic { transform: rotate(180deg); }

.feed__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--pe-space-1);
    font-size: var(--pe-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: var(--pe-tracking-wide);
    color: var(--pe-color-accent);
}

/* ───── Filtros (sticky) ─────────────────────────────────── */
.feed__filtros {
    display: flex;
    flex-direction: column;
    gap: var(--pe-space-3);
    position: sticky;
    /* mobile: bar1(52px) + ticker(~38px) + safe-area */
    top: calc(90px + env(safe-area-inset-top, 0px));
    z-index: 4;
    background: color-mix(in srgb, var(--pe-color-bg) 92%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    padding: var(--pe-space-3) 0;
}

/* Tablet: bar1(60) + navbar(44) + ticker(38) = 142px */
@media (min-width: 768px) {
    .feed__filtros { top: calc(142px + env(safe-area-inset-top, 0px)); }
}

/* Desktop: bar1(64) + navbar(42) + ticker(38) = 144px */
@media (min-width: 1024px) {
    .feed__filtros { top: calc(144px + env(safe-area-inset-top, 0px)); }
}

.feed__busca-wrap {
    position: relative;
    width: 100%;
    max-width: 560px;
}
.feed__busca-icon {
    position: absolute;
    left: var(--pe-space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--pe-color-muted);
    pointer-events: none;
}
.feed__busca {
    width: 100%;
    padding: var(--pe-space-3) var(--pe-space-5) var(--pe-space-3) var(--pe-space-10);
    border: 1px solid var(--pe-color-border-strong);
    border-radius: var(--pe-radius-pill);
    background: var(--pe-color-surface);
    color: var(--pe-color-text);
    font-size: var(--pe-text-base);
    transition: box-shadow var(--pe-motion-base) var(--pe-easing-standard),
                border-color var(--pe-motion-base) var(--pe-easing-standard);
}
.feed__busca:hover { box-shadow: var(--pe-shadow-2); }
.feed__busca:focus-visible {
    outline: 0;
    border-color: var(--pe-color-text);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--pe-color-text) 12%, transparent);
}

.feed__chips {
    display: flex;
    gap: var(--pe-space-2);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.feed__chips::-webkit-scrollbar { display: none; }

.chip {
    flex: 0 0 auto;
    background: var(--pe-color-surface);
    border: 1px solid var(--pe-color-border);
    color: var(--pe-color-text-soft);
    padding: var(--pe-space-2) var(--pe-space-4);
    border-radius: var(--pe-radius-pill);
    font-size: var(--pe-text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--pe-motion-fast) var(--pe-easing-standard);
}
.chip:hover { border-color: var(--pe-color-border-strong); color: var(--pe-color-text); }
.chip--on {
    background: var(--pe-color-text);
    border-color: var(--pe-color-text);
    color: var(--pe-color-bg);
}

/* ───── Grid ─────────────────────────────────────────────── */
.feed__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--pe-space-6) var(--pe-space-5);
    /* Garante que box-shadows dos cards não são cortados */
    padding: var(--pe-space-1);
}
@media (min-width: 640px) { .feed__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px){ .feed__grid { grid-template-columns: repeat(3, 1fr); gap: var(--pe-space-8) var(--pe-space-6); } }
@media (min-width: 1440px){ .feed__grid { grid-template-columns: repeat(4, 1fr); } }

/* ───── Estado vazio ──────────────────────────────────────── */
.feed__vazio {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--pe-space-16) var(--pe-space-4);
    gap: var(--pe-space-3);
    animation: feed-vazio-in 0.4s ease both;
}

@keyframes feed-vazio-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.feed__vazio-emoji {
    font-size: 3.5rem;
    line-height: 1;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,.12));
}

.feed__vazio-titulo {
    font-size: var(--pe-text-xl);
    font-weight: 700;
    color: var(--pe-color-text);
    margin: 0;
    letter-spacing: var(--pe-tracking-tight);
}

.feed__vazio-sub {
    margin: 0;
    color: var(--pe-color-muted);
    font-size: var(--pe-text-base);
    line-height: var(--pe-leading-relaxed);
    max-width: 32ch;
}

.feed__vazio-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--pe-space-2);
    margin-top: var(--pe-space-2);
    padding: var(--pe-space-3) var(--pe-space-6);
    border-radius: var(--pe-radius-pill);
    background: var(--pe-color-text);
    color: var(--pe-color-bg);
    border: none;
    font-size: var(--pe-text-sm);
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--pe-motion-fast), background var(--pe-motion-fast);
}
.feed__vazio-cta:hover { background: var(--pe-neutral-700); transform: translateY(-1px); }
.feed__vazio-cta:active { transform: scale(0.97); }

/* legado — mantido para compatibilidade com outros feeds */
.feed__estado {
    text-align: center;
    color: var(--pe-color-muted);
    padding: var(--pe-space-16) 0;
    font-size: var(--pe-text-lg);
}

.feed__mais {
    display: flex;
    justify-content: center;
    margin-top: var(--pe-space-4);
}

.btn-primary {
    background: var(--pe-color-text);
    color: var(--pe-color-bg);
    border: 0;
    border-radius: var(--pe-radius-pill);
    padding: var(--pe-space-3) var(--pe-space-8);
    font-weight: 600;
    font-size: var(--pe-text-sm);
    cursor: pointer;
    transition: transform var(--pe-motion-fast) var(--pe-easing-standard),
                background-color var(--pe-motion-fast) var(--pe-easing-standard);
}
.btn-primary:hover:not(:disabled) { background: var(--pe-neutral-700); color: #fff; transform: translateY(-1px); }
.btn-primary:disabled { opacity: .55; cursor: progress; }

/* ───── Geolocalização ───────────────────────────────────── */
.chip--geo {
    display: inline-flex;
    align-items: center;
    gap: var(--pe-space-2);
}

.chip__spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: chip-spin 0.6s linear infinite;
}

@keyframes chip-spin {
    to { transform: rotate(360deg); }
}

.feed__geo-banner {
    display: flex;
    align-items: center;
    gap: var(--pe-space-2);
    padding: var(--pe-space-3) var(--pe-space-4);
    background: var(--pe-color-surface-2);
    border: 1px solid var(--pe-color-border);
    border-radius: var(--pe-radius-md);
    font-size: var(--pe-text-sm);
    color: var(--pe-color-text);
}

.feed__geo-banner svg {
    flex-shrink: 0;
    color: var(--pe-pe-coral);
}

.feed__geo-limpar {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--pe-color-muted);
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease;
}

.feed__geo-limpar:hover {
    background: var(--pe-color-surface-1);
    color: var(--pe-color-text);
}