/* ============================================================
   Kids Kingdom - Skip Counting Tool
   Reuses .addition-tool, .addition-picker, .addition-show-btn,
   .addition-steps-* from addition.css.
   ============================================================ */

/* ================= SKIP-BY SELECTOR ================= */
.skip-by-selector {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 26px;
    flex-wrap: wrap;
}

.skip-by-btn {
    background: var(--color-bg);
    color: var(--color-dark);
    border: none;
    padding: 12px 22px;
    border-radius: 999px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
}

.skip-by-btn:hover:not(.active) {
    background: #ffe0d9;
}

.skip-by-btn.active {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.08);
}

/* ================= NUMBER SEQUENCE ================= */
.skip-sequence {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
    min-height: 90px;
}

.skip-number-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    opacity: 0;
    transform: scale(0.5) translateY(10px);
    animation: skipPop 0.4s ease forwards;
}

@keyframes skipPop {
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.skip-arrow {
    font-size: 1.4rem;
    color: #ccc;
    opacity: 0;
    animation: skipFadeIn 0.3s ease forwards;
}

@keyframes skipFadeIn {
    to { opacity: 1; }
}

.skip-sequence-text {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-top: 10px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 767px) {
    .skip-number-box {
        width: 46px;
        height: 46px;
        font-size: 1.05rem;
        border-radius: 11px;
    }

    .skip-by-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
}