/* ============================================
   KANA KEYBOARD – matches JPAPP pink style
   ============================================ */

/* wrapper sits in the quiz layout */
.kana-keyboard-wrapper {
    margin-top: 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* pink rounded toggle button (same vibe as NEXT) */
.kana-kb-toggle-btn {
    padding: 0.7rem 1.8rem;
    border-radius: 0.9rem;
    border: 2px solid #b48a8a;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: #5c2a2a;
    font-family: inherit;

    background:
        linear-gradient(to bottom, rgba(249,194,194,0.95), rgba(244,122,122,0.95)),
        url('../includes/assets/textures/paper-texture.jpg');
    background-size: 200%;
    background-blend-mode: overlay;

    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
    cursor: pointer;
    margin-bottom: 0.8rem;
    text-align: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

/* hide the GET KEYBOARD button when keyboard is open */
.kb-toggle-hidden {
    display: none;
}

.kana-kb-toggle-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.16);
    background: linear-gradient(to bottom, #f9c2c2, #f6baba);
}

/* main panel – paper card like other components */
.kana-kb-panel {
    width: 280px;
    margin-top: 0.4rem;
    padding: 0.7rem 0.7rem 0.9rem;

    background:
        linear-gradient(to bottom right, rgba(255,255,255,0.96), rgba(252,231,231,0.96)),
        url('../includes/assets/textures/paper-texture.jpg');
    background-size: 200%;
    background-blend-mode: overlay;

    border-radius: 1.1rem;
    border: 2px solid #b48a8a;
    box-shadow: 0 5px 12px rgba(0,0,0,0.12);

    position: relative;
}

/* hidden helper */
.kb-hidden {
    display: none;
}

/* ============================================
   TABS (ひらがな / カタカナ)
   ============================================ */

.kana-kb-tabs {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

.kana-kb-tab {
    flex: 1;
    padding: 0.25rem 0.4rem;
    border-radius: 999px;
    border: 1px solid #b48a8a;
    background: #fff6f6;
    font-size: 0.8rem;
    color: #5c2a2a;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.kana-kb-tab-active {
    background: #d5f2d5;
    border-color: #72b672;
}

/* ============================================
   MAIN GRID (3 columns × 4 rows)
   ============================================ */
/* big keys – taller so center + subs have room */
.kana-kb-key {
    position: relative;
    height: 72px;                 /* <- gives vertical space like the phone layout */
    padding: 0.35rem 0.7rem;
    border-radius: 0.9rem;
    border: 2px solid #b48a8a;
    background:
        linear-gradient(to bottom, rgba(255,255,255,0.95), rgba(252,231,231,0.95)),
        url('../includes/assets/textures/paper-texture.jpg');
    background-size: 200%;
    background-blend-mode: overlay;
    box-shadow: 0 4px 8px rgba(0,0,0,0.10);
}

/* center kana – big & crisp */
.kana-kb-main {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.1rem;
    color: #5c2a2a;
}

/* small surrounding kana – lighter + pushed toward edges */
.kana-kb-sub {
    position: absolute;
    font-size: 0.85rem;
    color: #b9a2a2;
    opacity: 0.7;
    pointer-events: none;
}

/* top / bottom a bit away from center */
.kb-sub-top {
    top: 0.2rem;
    left: 50%;
    transform: translateX(-50%);
}

.kb-sub-bottom {
    bottom: 0.2rem;
    left: 50%;
    transform: translateX(-50%);
}

/* left / right centered vertically, snug to the sides */
.kb-sub-left {
    left: 0.35rem;
    top: 50%;
    transform: translateY(-50%);
}

.kb-sub-right {
    right: 0.35rem;
    top: 50%;
    transform: translateY(-50%);
}


.kana-kb-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
    margin: 0.6rem auto 0;
}


.kana-kb-key:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}


/* ============================================
   POPUP CLUSTER (cross layout)
   ============================================ */

.kana-kb-popup {
    position: absolute;
    transform: translateX(-50%);
    z-index: 20;
}

.kana-kb-popup-grid {
    position: relative;
    width: 116px;
    height: 116px;
}

/* each popup key */
.kana-kb-popup-key {
    position: absolute;
    width: 38px;
    height: 38px;

    border-radius: 0.9rem;
    border: 1px solid #b48a8a;
    background:
        linear-gradient(to bottom, rgba(249,194,194,0.96), rgba(244,122,122,0.92));
    color: #5c2a2a;
    font-size: 1.1rem;

    display: flex;
    align-items: center;
    justify-content: center;

    box-shadow: 0 4px 10px rgba(0,0,0,0.18);
    cursor: pointer;
}

/* center */
.kana-kb-popup-key.center {
    top: 39px;
    left: 39px;
}

/* top, bottom, left, right positions */
.kana-kb-popup-key.top {
    top: 0;
    left: 39px;
}

.kana-kb-popup-key.bottom {
    top: 78px;
    left: 39px;
}

.kana-kb-popup-key.left {
    top: 39px;
    left: 0;
}

.kana-kb-popup-key.right {
    top: 39px;
    left: 78px;
}

/* empty slots hidden */
.kana-kb-popup-key.empty {
    opacity: 0;
    pointer-events: none;
}

/* ============================================
   MOBILE TWEAKS
   ============================================ */

@media (max-width: 480px) {
    .kana-kb-panel {
        width: 260px;
    }

    .kana-kb-key {
        padding: 0.9rem 0.3rem;
    }

    .kana-kb-main {
        font-size: 1.6rem;
    }

    .kana-kb-popup-grid {
        width: 108px;
        height: 108px;
    }

    .kana-kb-popup-key {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .kana-kb-popup-key.center {
        top: 36px;
        left: 36px;
    }
    .kana-kb-popup-key.top    { top: 0;   left: 36px; }
    .kana-kb-popup-key.bottom { top: 72px; left: 36px; }
    .kana-kb-popup-key.left   { top: 36px; left: 0; }
    .kana-kb-popup-key.right  { top: 36px; left: 72px; }
}