/* =========================================================
   Acuaria — Encyclopedia carousel
   ========================================================= */

.encyclopedia {
    position: relative;
    padding: var(--section-padding-y) 0;
    background: linear-gradient(180deg, #0D1B2A 0%, #162D50 100%);
    color: var(--color-text-on-dark);
    overflow: hidden;
}

.encyclopedia::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(72, 217, 196, 0.15), transparent 70%);
    pointer-events: none;
    filter: blur(60px);
}

.encyclopedia .section-title {
    color: var(--color-white);
}

.encyclopedia__swiper-wrap {
    position: relative;
    padding: 0 var(--space-4);
}

.encyclopedia__swiper {
    overflow: visible !important;
    padding: var(--space-4) 0 var(--space-12);
}

.species-card {
    width: 300px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    height: auto;
}

.species-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4), 0 0 40px rgba(27, 184, 160, 0.2);
}

.species-card__img {
    position: relative;
    width: 100%;
    aspect-ratio: 5/6;
    overflow: hidden;
    background: linear-gradient(135deg, #1BB8A0, #0D1B2A);
}

.species-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms var(--ease-out);
}

.species-card:hover .species-card__img img {
    transform: scale(1.05);
}

.species-card__tag {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: rgba(13, 27, 42, 0.85);
    backdrop-filter: blur(8px);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.species-card__tag--marine { background: rgba(27, 184, 160, 0.9); }
.species-card__tag--fresh { background: rgba(59, 130, 246, 0.9); }
.species-card__tag--coral { background: rgba(255, 107, 53, 0.9); }
.species-card__tag--invert { background: rgba(139, 92, 246, 0.9); }
.species-card__tag--axo { background: rgba(255, 107, 133, 0.9); }
.species-card__tag--plant { background: rgba(34, 197, 94, 0.9); }

.species-card__body {
    padding: var(--space-5);
    color: var(--color-navy-deep);
}

.species-card__common {
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--space-1);
    color: var(--color-navy-deep);
}

.species-card__scientific {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.species-card__scientific em {
    font-style: italic;
}

.species-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-light);
}

.species-card__difficulty {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-teal);
}

.species-card__ai {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px var(--space-2);
    background: linear-gradient(135deg, rgba(27, 184, 160, 0.12), rgba(255, 107, 53, 0.08));
    color: var(--color-teal);
    border: 1px solid rgba(27, 184, 160, 0.3);
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Controls ---------- */
.encyclopedia__controls {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.encyclopedia__btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(72, 217, 196, 0.1);
    border: 1px solid rgba(72, 217, 196, 0.3);
    color: var(--color-white);
    display: grid;
    place-items: center;
    transition: all var(--transition-base);
}

.encyclopedia__btn:hover {
    background: var(--color-teal);
    border-color: var(--color-teal);
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(27, 184, 160, 0.4);
}

/* ---------- Swiper pagination override ---------- */
.encyclopedia__swiper .swiper-pagination-bullet {
    background: rgba(72, 217, 196, 0.4);
    opacity: 1;
    transition: all var(--transition-base);
}

.encyclopedia__swiper .swiper-pagination-bullet-active {
    background: var(--color-teal-light);
    width: 24px;
    border-radius: 4px;
}