/* ================================================================
   ONE PIECE — Arc Flashcards & Character Cards
   ================================================================ */

/* ================================================================
   ARC CARD GRID
   ================================================================ */
.arc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
    max-width: 1140px;
    margin: 0 auto;
}

/* ================================================================
   ARC FLASHCARD — Premium Glass Style
   ================================================================ */
.arc-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.6rem;
    background: linear-gradient(160deg,
            rgba(20, 34, 64, .9) 0%,
            rgba(15, 26, 46, .95) 100%);
    border: 1px solid rgba(74, 155, 217, .1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, .3),
        inset 0 1px 0 rgba(255, 255, 255, .03);
    transition: transform .4s var(--ease-out),
        box-shadow .4s ease,
        border-color .4s ease;
}

/* Gradient overlay on card */
/* Default state – NO gradient */
.arc-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(10, 14, 26, .1) 0%,
            rgba(10, 14, 26, .4) 80%,
            rgba(10, 14, 26, .85) 100%);
    z-index: 1;
    opacity: 0;   /* Hide gradient */
    transition: opacity var(--transition);
}

/* Show gradient only on hover */
.arc-card:hover::before {
    opacity: 1;
}

/* Subtle top-left shine */
.arc-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(135deg,
            rgba(74, 155, 217, .06) 0%,
            transparent 20%);
    z-index: 1;
    transition: opacity var(--transition);
    pointer-events: none;
}

/* Background gradient layer */
.arc-card__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: .4;
    transition: opacity .5s ease, transform .5s var(--ease-out);
}

/* ---- Hover State ---- */
.arc-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(74, 155, 217, .15),
        0 8px 25px rgba(0, 0, 0, .4),
        inset 0 1px 0 rgba(255, 255, 255, .05);
    border-color: rgba(74, 155, 217, .35);
}

.arc-card:hover .arc-card__bg {
    opacity: .55;
    transform: scale(1.08);
}

.arc-card:hover::after {
    opacity: 0;
}

/* ---- Card Content ---- */
.arc-card__content {
    position: relative;
    z-index: 2;
}

.arc-card__saga {
    display: inline-block;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--blue);
    background: rgba(74, 155, 217, .08);
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid rgba(74, 155, 217, .12);
    margin-bottom: .6rem;
}

.arc-card__title {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--white);
    margin-bottom: .35rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, .5);
}

.arc-card__desc {
    font-size: .78rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- Arrow Icon ---- */
.arc-card__arrow {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    z-index: 2;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 155, 217, .08);
    border: 1px solid rgba(74, 155, 217, .15);
    color: var(--blue);
    font-size: .85rem;
    transition: all .4s var(--ease-out);
    backdrop-filter: blur(4px);
}

.arc-card:hover .arc-card__arrow {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
    transform: translateX(3px);
    box-shadow: 0 4px 16px rgba(74, 155, 217, .3);
}

/* ---- Arc Card Image ---- */
.arc-card__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .3;
    z-index: 0;
    transition: opacity .5s ease, transform .5s var(--ease-out);
}

.arc-card:hover .arc-card__image {
    opacity: .5;
    transform: scale(1.08);
}


/* ================================================================
   CHARACTER CARDS
   ================================================================ */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.character-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.5rem;
    border-radius: 12px;
    background: linear-gradient(135deg,
            rgba(20, 34, 64, .7) 0%,
            rgba(15, 26, 46, .8) 100%);
    border: 1px solid rgba(74, 155, 217, .08);
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .2);
    transition: all .35s var(--ease-out);
    position: relative;
    overflow: hidden;
}

/* Shine sweep on hover */
.character-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(74, 155, 217, .04),
            transparent);
    transition: left .6s ease;
    pointer-events: none;
}

.character-card:hover::before {
    left: 150%;
}

.character-card:hover {
    transform: translateX(6px);
    border-color: rgba(74, 155, 217, .25);
    box-shadow: 0 6px 24px rgba(74, 155, 217, .1),
        0 2px 8px rgba(0, 0, 0, .3);
    background: linear-gradient(135deg,
            rgba(20, 34, 64, .85) 0%,
            rgba(74, 155, 217, .05) 100%);
}

.character-card__info {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.character-card__avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 2px solid rgba(74, 155, 217, .25);
    object-fit: cover;
    flex-shrink: 0;
    background: linear-gradient(135deg,
            rgba(74, 155, 217, .1) 0%,
            rgba(74, 155, 217, .04) 100%);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.character-card:hover .character-card__avatar {
    border-color: var(--blue);
    box-shadow: 0 0 12px rgba(74, 155, 217, .2);
}

.character-card__name {
    font-weight: 600;
    font-size: .95rem;
    color: var(--white);
    letter-spacing: .3px;
}

.character-card__role {
    font-size: .72rem;
    color: var(--text-muted);
    margin-top: 2px;
    letter-spacing: .3px;
}

.character-card__arrow {
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: all .35s var(--ease-out);
    position: relative;
    z-index: 1;
}

.character-card:hover .character-card__arrow {
    transform: translateX(5px);
    color: var(--blue);
}


/* ================================================================
   ARC BANNER (inner page)
   ================================================================ */
.arc-banner {
    text-align: center;
    padding: 1.5rem 1rem 1.5rem;
}

.arc-banner__title {
    font-family: 'Cinzel', serif;
    font-weight: 900;
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--blue-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 3px;
    margin-bottom: .3rem;
    text-shadow: none;
}

.arc-banner__saga {
    display: inline-block;
    font-size: .75rem;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: .6rem;
    background: rgba(74, 155, 217, .06);
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid rgba(74, 155, 217, .1);
}

.arc-banner__desc {
    color: var(--text);
    font-size: .95rem;
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.7;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: .82rem;
    font-weight: 500;
    margin-bottom: 1rem;
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid rgba(74, 155, 217, .08);
    background: rgba(74, 155, 217, .03);
    transition: all var(--transition);
}

.back-link:hover {
    color: var(--blue);
    border-color: rgba(74, 155, 217, .2);
    background: rgba(74, 155, 217, .06);
}


/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
    .arc-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
    }

    .arc-card {
        min-height: 200px;
    }

    .arc-banner__title {
        font-size: 2rem;
    }

    .character-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .arc-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .arc-card {
        min-height: 180px;
    }

    .arc-card__title {
        font-size: 1.15rem;
    }

    .character-grid {
        grid-template-columns: 1fr;
    }

    .arc-banner__title {
        font-size: 1.5rem;
    }
}