/* ============================================================
   Kids Kingdom - Odd-Even / Comparison / Ordinal Tools
   Reuses .addition-tool, .addition-picker, .addition-picker-btn,
   .addition-picker-value, .addition-show-btn, .addition-steps-*
   from addition.css. This file adds pieces specific to these 3.
   ============================================================ */

/* ================= ODD-EVEN: paired objects ================= */
.oddeven-pairs-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 24px;
    min-height: 90px;
    align-items: center;
}

.oddeven-pair-box {
    display: flex;
    gap: 4px;
    background: #fff;
    border: 2px solid var(--color-bg);
    border-radius: 12px;
    padding: 10px;
}

.oddeven-pair-box.single {
    border-color: #FFD93D;
    background: #FFF9E0;
}

.oddeven-pair-box .obj {
    font-size: 1.6rem;
    opacity: 0;
    transform: scale(0.5);
    animation: additionPop 0.35s ease forwards;
}

.oddeven-result-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    padding: 10px 32px;
    border-radius: 999px;
    margin-top: 10px;
}

.oddeven-result-badge.is-even {
    background: #D9F5F2;
    color: #1B9C8E;
}

.oddeven-result-badge.is-odd {
    background: #FFE5E5;
    color: #E0554F;
}

/* ================= COMPARISON: two groups + symbol ================= */
.comparison-equation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.comparison-group {
    background: #fff;
    border: 2px solid var(--color-bg);
    border-radius: var(--radius);
    padding: 18px;
    min-width: 140px;
    min-height: 140px;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;
    gap: 6px;
    transition: border-color 0.3s;
}

.comparison-group .obj {
    font-size: 1.7rem;
    opacity: 0;
    transform: scale(0.5);
    animation: additionPop 0.35s ease forwards;
}

.comparison-group.is-bigger {
    border-color: var(--color-primary);
    background: var(--color-bg);
}

.comparison-symbol-big {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
}

.comparison-result-text {
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-dark);
    font-weight: 600;
}

/* ================= ORDINAL: row of objects with position picker ================= */
.ordinal-row {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 26px;
}

.ordinal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 8px;
    border-radius: 12px;
    background: #fff;
    border: 2px solid var(--color-bg);
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ordinal-item .obj {
    font-size: 1.8rem;
}

.ordinal-item .ordinal-pos-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: #999;
}

.ordinal-item.is-selected {
    border-color: var(--color-primary);
    background: var(--color-bg);
    transform: translateY(-6px) scale(1.08);
}

.ordinal-item.is-selected .ordinal-pos-label {
    color: var(--color-primary);
}

.ordinal-result-text {
    text-align: center;
}

.ordinal-word-en {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.ordinal-word-hi {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-top: 4px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 767px) {
    .comparison-group {
        min-width: 100px;
        min-height: 100px;
        padding: 12px;
    }

    .comparison-group .obj {
        font-size: 1.3rem;
    }

    .comparison-symbol-big {
        font-size: 2.2rem;
    }

    .ordinal-item .obj {
        font-size: 1.4rem;
    }

    .ordinal-word-en {
        font-size: 1.5rem;
    }

    .ordinal-word-hi {
        font-size: 1.1rem;
    }
}