/* 에이두 한글 연구실 공통 외곽 셸 — 게임 내부 테마와 별개로 한글 본체 규격을 유지한다. */
body.aiedue-lab-game-open {
    background: var(--bg-main, #f9fdf8);
    min-height: 100dvh;
    overflow: hidden;
}
body.aiedue-lab-game-open #main-container {
    visibility: hidden;
    pointer-events: none;
}
body.aiedue-lab-game-open .aiedue-rpg-hud {
    visibility: visible;
}

/* 기본 한글 HUD는 태블릿에서 우측 상단으로 이동하지만, 연구실 게임 셸은
   하단 HUD 공간을 예약한다. 게임 중에는 그 공간에 고정해 제목과 겹치지 않게 한다. */
@media (max-width: 1024px) {
    body.aiedue-lab-game-open .aiedue-rpg-hud {
        top: auto !important;
        right: auto !important;
        bottom: max(12px, env(safe-area-inset-bottom)) !important;
        left: max(12px, env(safe-area-inset-left)) !important;
        flex-direction: row;
        align-items: center;
    }
    body.aiedue-lab-game-open .aiedue-rpg-hud .rpg-action-tray {
        top: auto;
        right: auto;
        bottom: calc(100% + 8px);
        left: 0;
        transform-origin: bottom left;
    }
}

.aiedue-lab-game-shell.view-section {
    box-sizing: border-box !important;
    position: fixed !important;
    inset: auto !important;
    top: 50% !important;
    left: 50% !important;
    right: auto !important;
    bottom: auto !important;
    transform: translate(-50%, -50%) !important;
    width: min(95vw, 1200px) !important;
    max-width: 1200px !important;
    height: min(750px, calc(100dvh - 124px)) !important;
    max-height: calc(100dvh - 124px) !important;
    border: 12px solid #fff !important;
    border-radius: 50px !important;
    box-shadow: 0 15px 45px rgba(85, 179, 70, .15) !important;
    overflow: hidden !important;
    z-index: 1000 !important;
}
.aiedue-lab-game-shell.hidden { display: none !important; }

/* 연구소 활동이 공유하는 에이두 한글 브랜드 헤더 */
/* 시작·결과 오버레이 중에도 왼쪽 위 한글 로고 복귀 버튼은 항상 보이고 눌려야 한다. */
.zoo-header,
.wct-header,
.kltq-header,
.dictation-asteroid-header,
.literacy-adventure-header {
    box-sizing: border-box;
    position: relative;
    z-index: 30;
    width: 100%;
}
#shape-zoo-game-section .zoo-overlay { top: 88px !important; }
#word-card-table-game-section .wct-overlay { top: 146px !important; }

.aiedue-lab-brand { min-width: 0; display: flex; align-items: center; justify-content: flex-start; gap: 12px; }
.aiedue-lab-brand > div { min-width: 0; }
.aiedue-lab-brand p { margin: 0 0 2px !important; color: #397841 !important; font-size: .7rem !important; font-weight: 900 !important; letter-spacing: .1em !important; }
.aiedue-lab-brand h1 { margin: 0 !important; overflow: visible; color: #2c3e50; font-weight: 900 !important; line-height: 1.25; text-overflow: clip; white-space: normal; }
.aiedue-lab-home { appearance: none; border: 0 !important; border-radius: 0 !important; color: #397841 !important; background: transparent !important; box-shadow: none !important; font-weight: 900 !important; }
.aiedue-lab-logo-home { width: auto; height: auto; display: inline-flex; align-items: center; justify-content: flex-start; padding: 0 !important; overflow: visible; line-height: 0; }
.aiedue-lab-logo-home img { display: block; width: 148px; height: auto; margin: 0; object-fit: contain; filter: drop-shadow(0 5px 15px rgba(0,0,0,.1)); }
.aiedue-lab-home:hover { background: transparent !important; transform: translateY(-2px) scale(1.025); }
#dictation-asteroid-game-section .aiedue-lab-brand h1 { color: #fff; }
#dictation-asteroid-game-section .aiedue-lab-brand p { color: #67e8f9 !important; }

@media (max-width: 860px) {
    .aiedue-lab-brand { gap: 7px; }
    .aiedue-lab-logo-home { width: auto; height: auto; padding: 0 !important; border-radius: 0 !important; }
    .aiedue-lab-logo-home img { width: 126px; height: auto; }
    .aiedue-lab-brand p { font-size: .56rem !important; letter-spacing: .04em !important; }
    #word-card-table-game-section .wct-header { padding: 13px 20px; }
    #word-card-table-game-section .wct-overlay { top: 121px !important; }
}
@media (max-width: 520px) {
    .aiedue-lab-logo-home img { width: 104px; }
    #word-card-table-game-section .wct-overlay { top: 104px !important; }
}

@media (min-width: 851px) and (max-height: 800px) {
    #dictation-asteroid-game-section .aiedue-lab-logo-home img { width: 104px; }
}

/* 기존 세 게임은 루트 자체가 스크롤 컨테이너다. 공통 외곽 셸이 모바일의
   조작부를 잘라내지 않도록 각 게임의 원래 세로 스크롤 계약을 보존한다. */
#shape-zoo-game-section.aiedue-lab-game-shell,
#word-card-table-game-section.aiedue-lab-game-shell,
#dictation-asteroid-game-section.aiedue-lab-game-shell,
#literacy-adventure-game-section.aiedue-lab-game-shell {
    overflow-x: hidden !important;
    overflow-y: auto !important;
}

/* 시간 퀴즈는 단어 선택 화면처럼 세로 공간을 넉넉하게 사용한다. */
#korean-lab-time-quiz-section.aiedue-lab-game-shell.view-section {
    height: min(920px, calc(100dvh - 16px)) !important;
    max-height: calc(100dvh - 16px) !important;
}
/* 한글 연구실 독립 시간 퀴즈 */
.korean-lab-time-quiz {
    color: #2c3e50;
    background: linear-gradient(145deg, #f4faf0 0%, #eef8ff 52%, #fff9e8 100%);
    align-items: stretch !important;
    justify-content: flex-start !important;
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
}
.kltq-header {
    min-height: 78px;
    flex-shrink: 0;
    padding: 6px 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
    color: #2c3e50;
    background: rgba(255,255,255,.9);
    border-bottom: 2px solid #dcefd6;
}
.kltq-header p { margin: 0 0 2px; color: #7a60bf; font-size: .72rem; font-weight: 900; letter-spacing: .16em; }
.kltq-header h1 { margin: 0; font-size: clamp(1.35rem, 2.1vw, 1.75rem); font-weight: 900; }
#korean-lab-time-quiz-section .aiedue-lab-logo-home img { width: 136px; height: 64px; }
.kltq-header > strong { padding: 9px 15px; border-radius: 999px; color: #287644; background: #e8f7e5; white-space: nowrap; }
.kltq-home, .kltq-check, .kltq-difficulties button, .kltq-options button {
    border: 0; cursor: pointer; font: inherit; font-weight: 900;
}
.kltq-home { padding: 11px 16px; border-radius: 16px; color: #397841; background: #eef8eb; }
/* 짧은 화면에서는 조작부를 압축하지 않고 스크롤한다. 하단 여백은 정보 바 자리다. */
.kltq-layout { min-height: 0; flex: 1; display: grid; grid-template-columns: minmax(280px, .86fr) minmax(340px, 1.14fr); grid-template-rows: minmax(480px, 1fr); gap: 20px; padding: 18px 24px 108px; overflow: auto; scroll-padding-block: 18px 108px; }
.kltq-clock-card, .kltq-answer-card { min-height: 0; border: 2px solid rgba(116,184,100,.2); border-radius: 34px; background: rgba(255,255,255,.94); box-shadow: 0 12px 28px rgba(69,126,74,.09); }
.kltq-clock-card { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px; }
.kltq-eyebrow { margin: 0 0 14px; color: #55994b; font-weight: 900; }
.kltq-clock { position: relative; width: min(100%, 46dvh, 380px); min-width: 260px; flex-shrink: 0; aspect-ratio: 1; border: 12px solid #55b346; border-radius: 50%; background: #fffdf7; box-shadow: inset 0 0 0 5px #eaf5e6, 0 12px 24px rgba(54,113,61,.16); }
.kltq-hour-scale, .kltq-minute-scale { position: absolute; inset: 0; pointer-events: none; }
.kltq-hour-number, .kltq-minute-number { position: absolute; z-index: 1; transform: translate(-50%,-50%); line-height: 1; white-space: nowrap; }
.kltq-hour-number { color: #314c39; font-size: clamp(1.15rem, 2.6vh, 1.55rem); font-weight: 900; }
.kltq-minute-number { color: #7b8d80; font-size: clamp(.65rem, 1.5vh, .85rem); font-weight: 800; }
.kltq-hand { position: absolute; left: 50%; bottom: 50%; width: 6px; border-radius: 999px; transform-origin: 50% 100%; transform: translateX(-50%) rotate(0deg); }
.kltq-hour-hand { height: 27%; background: #405a49; }.kltq-minute-hand { height: 38%; width: 4px; background: #f08a62; }
.kltq-clock-pin { position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; border: 4px solid #fff; border-radius: 50%; background: #55b346; transform: translate(-50%,-50%); box-shadow: 0 2px 6px rgba(0,0,0,.2); }
.kltq-question-count { margin: 15px 0 0; color: #7e8d81; font-weight: 800; }
.kltq-answer-card { display: flex; flex-direction: column; padding: 20px; }
.kltq-answer-card h2 { margin: 18px 0 16px; font-size: clamp(1.35rem, 2.4vw, 2rem); font-weight: 900; text-align: center; }
.kltq-difficulties { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }
.kltq-difficulties button { min-height: 76px; padding: 14px 7px; font-size: 1.08rem; border: 2px solid #dcebd8; border-radius: 15px; color: #66806a; background: #fff; }
.kltq-difficulties button small { display: block; color: #9a79d1; }
.kltq-difficulties button.active { color: #fff; border-color: #55b346; background: #55b346; box-shadow: 0 8px 18px rgba(85,179,70,.25); }
.kltq-difficulties button.active small { color: #fff; }
.kltq-options { flex: 1; min-height: 171px; display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.kltq-options button { min-height: 80px; padding: 10px; border: 2px solid #d9e8f0; border-radius: 18px; color: #3d6276; background: #f8fcff; font-size: 1.45rem; }
.kltq-options button.selected { color: #7253aa; border-color: #a98bd8; background: #f3edff; box-shadow: 0 0 0 3px rgba(169,139,216,.15); }
.kltq-options button.correct { color: #287644; border-color: #55b346; background: #e8f7e5; }
.kltq-options button.wrong { color: #a04444; border-color: #e48787; background: #fff0f0; }
.kltq-inputs { flex: 1; min-height: 171px; align-items: center; justify-content: center; gap: 10px; }
.kltq-inputs:not(.hidden) { display: flex; }
.kltq-inputs label { display: grid; gap: 5px; color: #708274; font-weight: 900; text-align: center; }
.kltq-inputs input { width: 112px; min-height: 80px; padding: 16px; border: 3px solid #cce4c5; border-radius: 18px; font: 900 1.8rem/1 Outfit,sans-serif; text-align: center; }
.kltq-inputs > strong { padding-bottom: 10px; font-size: 2rem; }
.kltq-check { margin-top: 14px; min-height: 58px; flex-shrink: 0; border-radius: 18px; color: #fff; background: #7658b3; box-shadow: 0 8px 18px rgba(118,88,179,.22); }
.kltq-check:disabled { cursor: wait; opacity: .55; }
.kltq-feedback { min-height: 27px; margin: 12px 0 0; font-weight: 900; text-align: center; color: #75847a; }
.kltq-feedback.ok { color: #25824a; }.kltq-feedback.error { color: #c05252; }.kltq-feedback.warn { color: #b16f1d; }

@media (min-width: 761px) and (max-width: 1024px) {
    .kltq-layout { gap: 14px; padding-inline: 14px; }
    .kltq-clock-card, .kltq-answer-card { padding: 14px; }
}

@media (max-width: 760px) {
    .aiedue-lab-game-shell.view-section { width: 95vw !important; height: calc(100dvh - 124px) !important; max-height: calc(100dvh - 124px) !important; border-width: 12px !important; border-radius: 50px !important; }
    .kltq-header { min-height: 78px; padding: 6px 14px; gap: 9px; }
    .kltq-header > strong { display: none; }
    .kltq-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(360px, auto) minmax(480px, auto); gap: 14px; padding: 14px 10px 190px; scroll-padding-bottom: 190px; }
    .kltq-clock-card, .kltq-answer-card { border-radius: 24px; padding: 14px; }
    .kltq-clock { width: min(100%, 300px); min-width: 0; border-width: 10px; }
    .kltq-eyebrow, .kltq-question-count { margin-block: 8px; }
    .kltq-answer-card h2 { margin: 16px 0; }
    .kltq-difficulties button { padding-inline: 3px; font-size: .9rem; }
    .kltq-options { gap: 9px; }
    .kltq-options button { font-size: 1.2rem; }
}