/* Layout y estilos de la página pública /beneficios.
   Reutiliza variables y paleta de styles.css (dark cyber con accent lime). */

* { box-sizing: border-box; }

body,
.bnf-page {
    background: var(--bg-void);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ==================== HEADER ==================== */

.bnf-header {
    background: rgba(8, 8, 8, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 10;
}

.bnf-header-inner {
    max-width: none;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.bnf-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}

.bnf-logo img {
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}

.bnf-logo-title {
    font-size: 1.15rem;
    color: var(--text-bright);
    line-height: 1.1;
}

.bnf-logo-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.bnf-header-link {
    color: var(--accent-lime);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
}

.bnf-header-link:hover { text-decoration: underline; }

/* ==================== HERO ==================== */

.bnf-main {
    max-width: none;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

.bnf-hero {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.bnf-hero-title {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
    margin: 0 0 8px;
    color: var(--text-bright);
    letter-spacing: -0.02em;
}

.bnf-hero-sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0;
}

/* ==================== FILTROS ==================== */

.bnf-filters-wrap {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.bnf-filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.bnf-filter-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-width: 64px;
}

.bnf-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.bnf-chip {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-soft);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.bnf-chip:hover {
    border-color: var(--accent-lime);
    color: var(--text-primary);
}

.bnf-chip.active {
    background: var(--accent-lime-dim);
    border-color: var(--accent-lime);
    color: var(--accent-lime);
}

.bnf-search {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-family: inherit;
    min-width: 240px;
    outline: none;
}

.bnf-search:focus {
    border-color: var(--accent-lime);
}

/* ==================== GRID ==================== */

.bnf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--space-3);
}

/* Sección por categoría — color aplicado al fondo, borde y header.
   La variable --cat-color la pasa el JS inline desde clan_benefit_categories. */
.bnf-cat-section {
    --cat-color: #94a3b8;
    margin-bottom: 32px;
    padding: 24px;
    background:
        linear-gradient(180deg,
            color-mix(in srgb, var(--cat-color) 10%, transparent) 0%,
            color-mix(in srgb, var(--cat-color) 4%, transparent) 100%),
        var(--bg-card);
    border: 1px solid color-mix(in srgb, var(--cat-color) 35%, transparent);
    border-left: 4px solid var(--cat-color);
    border-radius: 14px;
}

.bnf-cat-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    padding: 10px 14px;
    background: color-mix(in srgb, var(--cat-color) 15%, transparent);
    border-radius: 10px;
    border-left: 3px solid var(--cat-color);
}

.bnf-cat-icon {
    font-size: 32px;
    line-height: 1;
    filter: drop-shadow(0 0 6px color-mix(in srgb, var(--cat-color) 50%, transparent));
}

.bnf-cat-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    color: var(--cat-color);
}

.bnf-cat-count {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.bnf-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-color: color-mix(in srgb, var(--cat-color, #94a3b8) 35%, var(--border-subtle));
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: row;
    position: relative;
}

.bnf-card:hover {
    transform: translateY(-3px);
    border-color: var(--cat-color, rgba(191, 255, 0, 0.3));
    box-shadow: 0 6px 16px color-mix(in srgb, var(--cat-color, #000) 25%, transparent);
}

/* Imagen izquierda (layout horizontal) */
.bnf-card-image {
    width: 140px;
    flex-shrink: 0;
    aspect-ratio: 1 / 1;
    background:
        linear-gradient(135deg,
            color-mix(in srgb, var(--cat-color, #bfff00) 12%, #0a1218),
            color-mix(in srgb, var(--cat-color, #bfff00) 6%, #0d1620));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-right: 1px solid color-mix(in srgb, var(--cat-color, #94a3b8) 25%, var(--border-subtle));
}

.bnf-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    transition: transform 0.3s ease;
}

.bnf-card:hover .bnf-card-image img {
    transform: scale(1.05);
}

.bnf-card-placeholder {
    font-size: 56px;
    opacity: 0.35;
}

/* Body */
.bnf-card-body {
    padding: 12px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.bnf-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.5em;
}

.bnf-card-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.bnf-tag,
.bnf-badge {
    font-size: 10px;
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.bnf-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.45;
}

.bnf-card-rows {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px dashed var(--border-subtle);
}

.bnf-card-row {
    display: flex;
    gap: 6px;
    font-size: 0.78rem;
    align-items: baseline;
    line-height: 1.3;
}

.bnf-card-row-label {
    color: var(--text-muted);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-width: 42px;
    flex-shrink: 0;
}

.bnf-card-row-value {
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
}

.bnf-effect {
    color: var(--accent-lime);
    font-weight: 500;
}

/* ==================== ESTADO VACÍO / LOADING / ERROR ==================== */

.bnf-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.bnf-empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.7;
}

.bnf-empty h2 {
    color: var(--text-primary);
    margin: 0 0 8px;
}

.bnf-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.bnf-error {
    text-align: center;
    padding: 40px 20px;
    color: #ef4444;
    grid-column: 1 / -1;
}

/* ==================== FOOTER ==================== */

.bnf-footer {
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-deep);
    padding: 24px;
    margin-top: 60px;
}

.bnf-footer-inner {
    max-width: none;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.88rem;
    color: var(--text-muted);
    text-align: center;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 640px) {
    .bnf-header-inner {
        padding: 12px 16px;
        flex-direction: column;
        align-items: flex-start;
    }
    .bnf-main {
        padding: 24px 16px 60px;
    }
    .bnf-grid {
        grid-template-columns: 1fr;
    }
    .bnf-card-image {
        width: 96px;
    }
    .bnf-search {
        min-width: 0;
        flex: 1;
    }
    .bnf-filter-label {
        min-width: 0;
    }
}

/* Util */
.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}