.guess-card {
    border-radius: 1.25rem;
    border: 1px solid rgba(15, 23, 42, 0.1);
    padding: 1.35rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    min-height: 180px;
    color: #0f172a;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15),
                0 4px 12px rgba(15, 23, 42, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

    .guess-card .lookup-heading {
        font-size: 1.15rem;
        color: #0f172a;
    }

    .guess-card .lookup-meta {
        font-size: 0.95rem;
        color: #475569;
    }

    .guess-card.animate-scale-in {
        animation: pop 0.5s ease;
    }

.guess-option {
    border-radius: 1rem;
    border: 2px solid #e2e8f0;
    padding: 0.85rem 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    cursor: pointer;
    font-weight: 600;
    text-align: left;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08),
                0 2px 6px rgba(15, 23, 42, 0.05);
}

    .guess-option::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(14, 165, 233, 0.1), transparent);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .guess-option:hover:not(:disabled) {
        border-color: #0ea5e9;
        transform: translateY(-2px) scale(1.01);
        box-shadow: 0 8px 20px rgba(14, 165, 233, 0.2),
                    0 4px 12px rgba(14, 165, 233, 0.15);
    }

    .guess-option:hover:not(:disabled)::after {
        opacity: 1;
    }

    .guess-option.correct {
        border-color: #22c55e;
        color: #15803d;
        background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
        box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4),
                    0 4px 12px rgba(34, 197, 94, 0.3);
        animation: pulse 0.6s ease;
    }

    .guess-option.correct::after {
        opacity: 1;
        background: linear-gradient(120deg, rgba(34, 197, 94, 0.2), transparent);
    }

    .guess-option.wrong {
        border-color: #ef4444;
        color: #b91c1c;
        background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
        box-shadow: 0 8px 24px rgba(248, 113, 113, 0.4),
                    0 4px 12px rgba(248, 113, 113, 0.3);
        animation: shake 0.5s ease;
    }

    .guess-option.animate-option {
        animation: slideInRight 0.45s ease forwards;
        opacity: 0;
        animation-delay: var(--delay, 0ms);
    }

    .guess-option.option-dim {
        opacity: 0.5;
        transform: scale(0.98);
    }

    .guess-option.is-selected {
        border-color: #0ea5e9;
        box-shadow: 0 15px 35px rgba(14, 165, 233, 0.2);
    }

.guess-history {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.guess-history-item {
    border-radius: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    padding: 0.95rem 1.1rem;
    font-size: 0.9rem;
    background: linear-gradient(135deg, rgba(2, 6, 23, 0.9), rgba(15, 23, 42, 0.8));
    backdrop-filter: blur(8px);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transition: all 0.2s ease;
}

.guess-history-item--success {
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3),
                0 2px 8px rgba(34, 197, 94, 0.2);
}

.guess-history-item--fail {
    border-color: rgba(248, 113, 113, 0.5);
    box-shadow: 0 4px 16px rgba(248, 113, 113, 0.3),
                0 2px 8px rgba(248, 113, 113, 0.2);
}

.guess-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.7);
}

.guess-history-status {
    font-weight: 700;
}

.guess-history-item--success .guess-history-status {
    color: #34d399;
}

.guess-history-item--fail .guess-history-status {
    color: #f87171;
}

.guess-history-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(226, 232, 240, 0.58);
}

.guess-history-value {
    font-weight: 600;
    color: #f8fafc;
}

.guess-history-selection,
.guess-history-answer {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}