/* ==========================================================================
   region-quiz.css — "Let's play / 北海道で遊ぼう"

   The little game that replaces Fun & curious on the region detail page:
   eight rounds of Hokkaido Japanese — local food, the island's own dialect
   (Hokkaido-ben) and nature words — with a score, a streak and a final
   stamp. Palette matches region-cards.css.
   ========================================================================== */

.na-quiz-wrap {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, .96) 0%, rgba(255, 252, 253, .96) 100%);
    border: 1px solid rgba(214, 175, 186, .55);
    border-radius: 18px;
    box-shadow: 0 18px 38px rgba(120, 70, 90, .1);
}

/* a few falling petals, so the game feels like the rest of the page.
   The layer must cover the WHOLE panel: it used to be `inset: 0 -40% -20% 60%`,
   which started the box at 60% of the width while the gradient was still ~7%
   opaque there — the box's own left edge then showed up as a hard vertical seam
   straight down the middle of the card. Position the blobs with `farthest-side`
   so they fade out inside the box instead of being cut by it. */
.na-quiz-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(farthest-side circle at 88% 8%, rgba(180, 67, 106, .07) 0 22%, transparent 60%),
        radial-gradient(farthest-side circle at 96% 88%, rgba(180, 67, 106, .06) 0 26%, transparent 62%);
    pointer-events: none;
}

/* ---------- HUD ---------- */
.na-quiz-hud {
    position: relative;
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
    padding: .7rem 1rem;
    border-bottom: 1px solid rgba(214, 175, 186, .4);
    background: rgba(239, 228, 233, .55);
}

.na-quiz-hud-cell {
    display: flex;
    flex-direction: column;
    gap: .1rem;
    padding: 0 .7rem 0 0;
    margin-right: .4rem;
    border-right: 1px solid rgba(214, 175, 186, .5);
}

.na-quiz-hud-cell:last-of-type { border-right: 0; margin-right: 0; }

.na-quiz-hud-k {
    font-size: .56rem;
    font-weight: 800;
    letter-spacing: .14em;
    color: #A98A7C;
}

.na-quiz-hud-cell b {
    font-size: 1.05rem;
    line-height: 1;
    color: #7C2F4E;
    font-variant-numeric: tabular-nums;
}

.na-quiz-hud-cell b i {
    font-style: normal;
    font-size: .68rem;
    color: #A98A7C;
}

.na-quiz-hud-cell.is-hot b { color: #D2603A; }

.na-quiz-dots {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}

.na-quiz-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(180, 67, 106, .2);
    transition: background .25s ease, transform .25s ease;
}

.na-quiz-dot.is-done { background: #B4436A; }
.na-quiz-dot.is-right { background: #6FA46A; transform: scale(1.15); }
.na-quiz-dot.is-wrong { background: #D2603A; }

/* ---------- the timer hairline under the HUD ---------- */
.na-quiz-timebar {
    position: relative;
    height: 3px;
    background: rgba(180, 67, 106, .14);
}

.na-quiz-timebar > span {
    display: block;
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, #E0A8BE, #B4436A);
    transform-origin: left center;
    transition: transform .25s linear, background .3s ease;
}

.na-quiz-timebar.is-low > span { background: linear-gradient(90deg, #EFA98A, #D2603A); }

/* ---------- question ---------- */
.na-quiz-stage {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 1.1rem;
    padding: 1.1rem 1.2rem .4rem;
}

.na-quiz-prompt {
    display: flex;
    align-items: center;
    gap: .9rem;
    min-width: 0;
}

.na-quiz-pic {
    flex: 0 0 108px;
    width: 108px;
    height: 104px;
    border-radius: 12px;
    overflow: hidden;
    background: #EFE4E9;
    display: grid;
    place-items: center;
    color: rgba(124, 47, 78, .35);
    font-size: 1.4rem;
}

.na-quiz-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.na-quiz-prompt-text { min-width: 0; }

.na-quiz-kind {
    display: inline-block;
    padding: .1rem .45rem;
    border-radius: 999px;
    background: rgba(180, 67, 106, .1);
    color: #B4436A;
    font-size: .58rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.na-quiz-ja {
    margin-top: .3rem;
    font-size: 2.05rem;
    line-height: 1.15;
    font-weight: 700;
    color: #7C2F4E;
    word-break: break-word;
    font-feature-settings: "kana" 1;
}

.na-quiz-reading {
    margin-top: .1rem;
    font-size: .82rem;
    color: #8A6A5C;
    letter-spacing: .01em;
}

.na-quiz-romaji {
    margin-top: .2rem;
    font-size: .68rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: #B99;
}

.na-quiz-say {
    margin-top: .5rem;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .7rem;
    border: 1px solid rgba(180, 67, 106, .35);
    border-radius: 999px;
    background: #fff;
    color: #B4436A;
    font-size: .68rem;
    cursor: pointer;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.na-quiz-say:hover { background: #B4436A; border-color: #B4436A; color: #fff; }
.na-quiz-say.is-speaking { background: #B4436A; border-color: #B4436A; color: #fff; }

/* ---------- options ---------- */
.na-quiz-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .5rem;
    align-content: start;
}

.na-quiz-opt {
    display: flex;
    align-items: center;
    gap: .45rem;
    min-height: 58px;
    padding: .6rem .7rem;
    text-align: left;
    background: #fff;
    border: 1px solid rgba(214, 175, 186, .6);
    border-radius: 12px;
    color: #4A2F38;
    font-size: .78rem;
    line-height: 1.35;
    cursor: pointer;
    transition: transform .18s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.na-quiz-opt:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: rgba(180, 67, 106, .5);
    box-shadow: 0 8px 18px rgba(120, 70, 90, .12);
}

.na-quiz-opt-key {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: rgba(180, 67, 106, .1);
    color: #B4436A;
    font-size: .64rem;
    font-weight: 800;
}

.na-quiz-opt.is-right {
    border-color: #6FA46A;
    background: rgba(111, 164, 106, .12);
    box-shadow: 0 0 0 2px rgba(111, 164, 106, .25) inset;
}

.na-quiz-opt.is-right .na-quiz-opt-key { background: #6FA46A; color: #fff; }

.na-quiz-opt.is-wrong {
    border-color: #D2603A;
    background: rgba(210, 96, 58, .1);
}

.na-quiz-opt.is-wrong .na-quiz-opt-key { background: #D2603A; color: #fff; }

/* Locked options (before Start, and after the round is judged) read as
   clearly unavailable instead of looking clickable. */
.na-quiz-opt:disabled { cursor: default; }

.na-quiz-opt:disabled:not(.is-right):not(.is-wrong) {
    opacity: .45;
    filter: saturate(.35);
    border-style: dashed;
}

.na-quiz-opt.is-right:disabled,
.na-quiz-opt.is-wrong:disabled { opacity: 1; filter: none; }

/* ---------- feedback / teaching strip ---------- */
.na-quiz-feedback {
    min-height: 3.4rem;
    margin: .2rem 1.2rem 0;
    padding: .6rem .8rem;
    border-left: 3px solid rgba(180, 67, 106, .35);
    border-radius: 0 10px 10px 0;
    background: rgba(239, 228, 233, .45);
    font-size: .76rem;
    line-height: 1.55;
    color: #5A3B45;
}

.na-quiz-feedback b { color: #7C2F4E; }
.na-quiz-feedback.is-right { border-left-color: #6FA46A; }
.na-quiz-feedback.is-wrong { border-left-color: #D2603A; }
.na-quiz-feedback.is-idle { border-left-color: transparent; background: transparent; padding-left: 0; color: #A98A7C; font-style: italic; }

/* ---------- footer ---------- */
.na-quiz-foot {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
    padding: .85rem 1.2rem 1.1rem;
}

.na-quiz-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border: 0;
    border-radius: 999px;
    background: #B4436A;
    color: #fff;
    font-size: .76rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform .18s ease, background .2s ease, opacity .2s ease;
}

.na-quiz-btn:hover { transform: translateY(-2px); background: #9C3960; }
.na-quiz-btn:disabled { opacity: .45; cursor: default; transform: none; }

.na-quiz-btn--ghost {
    background: #fff;
    color: #B4436A;
    border: 1px solid rgba(180, 67, 106, .4);
}

.na-quiz-btn--ghost:hover { background: rgba(180, 67, 106, .08); color: #9C3960; }

.na-quiz-best {
    margin-left: auto;
    font-size: .68rem;
    color: #A98A7C;
}

/* ---------- result overlay ---------- */
.na-quiz-over {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: grid;
    place-items: center;
    background: rgba(255, 250, 252, .93);
    backdrop-filter: blur(3px);
    animation: naQuizFade .35s ease both;
}

.na-quiz-over[hidden] { display: none; }

@keyframes naQuizFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.na-quiz-over-card {
    width: min(360px, 84%);
    padding: 1.5rem 1.4rem 1.3rem;
    text-align: center;
    background: #fff;
    border: 1px solid rgba(214, 175, 186, .6);
    border-radius: 18px;
    box-shadow: 0 24px 46px rgba(120, 70, 90, .2);
}

.na-quiz-over-card .na-quiz-rank {
    font-size: 1.05rem;
    font-weight: 800;
    color: #7C2F4E;
    letter-spacing: .02em;
}

.na-quiz-over-card .na-quiz-score {
    margin: .2rem 0 .1rem;
    font-size: 2.7rem;
    font-weight: 800;
    line-height: 1;
    color: #B4436A;
    font-variant-numeric: tabular-nums;
}

.na-quiz-over-card .na-quiz-score small {
    display: block;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .14em;
    color: #A98A7C;
}

.na-quiz-over-card p {
    margin: .5rem 0 1rem;
    font-size: .76rem;
    line-height: 1.6;
    color: #5A3B45;
}

/* the little rubber stamp of the result */
.na-quiz-stamp {
    width: 78px;
    height: 78px;
    margin: 0 auto .7rem;
    display: grid;
    place-items: center;
    border: 3px solid #B4436A;
    border-radius: 14px;
    color: #B4436A;
    font-size: 2.1rem;
    font-weight: 800;
    transform: rotate(-9deg);
    opacity: .9;
}

.na-quiz-stamp.is-bad { border-color: #D2603A; color: #D2603A; }

/* ==========================================================================
   responsive
   ========================================================================== */
@media (max-width: 860px) {
    .na-quiz-stage { grid-template-columns: minmax(0, 1fr); gap: .8rem; padding: .9rem 1rem .2rem; }
    .na-quiz-ja { font-size: 1.75rem; }
}

@media (max-width: 520px) {
    .na-quiz-options { grid-template-columns: minmax(0, 1fr); }
    .na-quiz-pic { flex: 0 0 84px; width: 84px; height: 80px; }
    .na-quiz-ja { font-size: 1.5rem; }
    .na-quiz-dots { margin-left: 0; width: 100%; }
    .na-quiz-hud-cell { padding-right: .5rem; margin-right: .3rem; }
}

@media (prefers-reduced-motion: reduce) {
    .na-quiz-over { animation: none; }
    .na-quiz-opt, .na-quiz-btn, .na-quiz-btn:hover { transition: none; }
    .na-quiz-opt:hover:not(:disabled) { transform: none; }
    .na-quiz-btn:hover { transform: none; }
}