@import"https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;900&family=Inter:wght@500;600;700;800;900&display=swap";:root{--mg-navy: #050912;--mg-navy-mid: #0a1020;--mg-coral: #ff8a68;--mg-gold: #ffd700;--mg-green: #44dd88;--mg-red: #ff4466;--study-sc: #c9a84c;--mg-panel: url(/game-assets/ui/panel_main.png);--mg-hud: url(/game-assets/ui/panel_hud.png);--mg-frame: url(/game-assets/ui/frame_spell.png);--mg-btn: url(/game-assets/ui/btn_play.png);--study-banner: url(/game-assets/ui/study_banner.png);--study-joseon: url(/game-assets/textures/backgrounds/joseon_bg.png);--study-book: url(/game-assets/sprites/items/book_frame.png)}.page-study-game{background:var(--mg-navy);font-family:Inter,system-ui,sans-serif;color:#f2f2f8;min-height:100dvh}.page-study-game #bg-canvas{opacity:.35;mix-blend-mode:screen}.study-bg-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background:radial-gradient(ellipse 80% 50% at 50% 0%,rgba(255,138,104,.12) 0%,transparent 55%),radial-gradient(ellipse 60% 40% at 80% 90%,rgba(68,221,136,.06) 0%,transparent 50%),var(--mg-navy)}.study-bg-layer:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:url(/game-assets/textures/backgrounds/grimoire_bg.png) center / cover no-repeat;opacity:.42}.study-bg-layer:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0509128c,#050912e0)}.study-shell{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:0 16px 64px}.study-catalog-back{display:inline-flex;align-items:center;margin:12px 0 4px}.study-hero-hud{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px 24px;padding:20px 0 12px}.study-wordmark{max-width:min(100%,320px);height:auto;filter:drop-shadow(0 4px 24px rgba(255,215,0,.15))}.study-hero-text{flex:1;min-width:200px}.study-hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--mg-gold);margin-bottom:8px}.study-hero-kicker:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mg-coral);box-shadow:0 0 10px var(--mg-coral)}.study-hero-heading{font-size:clamp(22px,4vw,32px);font-weight:800;letter-spacing:-.03em;color:#fff;text-shadow:0 2px 0 var(--mg-navy),0 0 20px rgba(255,215,0,.2);margin-bottom:6px}.study-hero-desc{font-size:14px;line-height:1.55;color:#ffffff80;max-width:400px}.study-hero-desc a{color:var(--mg-coral);text-decoration:none}.study-hero-desc a:hover{text-decoration:underline}.study-hero-stats{display:flex;gap:10px}.study-stat-pill{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:12px;background:#080a1673;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-size:13px;font-weight:700;color:#ffffffd1;min-height:40px}.study-toolbar{margin:16px 0 20px;padding:16px 18px;border-radius:16px;background:#080a1673;border:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 12px 36px #00000047}.study-search-wrap{position:relative;margin-bottom:12px}.study-search{width:100%;box-sizing:border-box;background:#0509128c;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;font-family:inherit;font-size:16px;font-weight:600;padding:12px 14px;outline:none;transition:border-color .2s,box-shadow .2s}.study-search:focus{border-color:#ff8a688c;box-shadow:0 0 0 3px #ff8a681f}.study-search::placeholder{color:#ffffff59;font-weight:500}.study-filter-row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.study-filter-row::-webkit-scrollbar{display:none}.study-ftag{font-family:inherit;font-size:13px;font-weight:700;padding:8px 16px;border-radius:100px;cursor:pointer;border:2px solid rgba(255,215,0,.18);background:#05091280;color:#ffffff8c;white-space:nowrap;flex-shrink:0;transition:all .2s}.study-ftag:hover{border-color:#ff8a6866;color:#fff}.study-ftag.active{background:linear-gradient(180deg,#ff8a6859,#ff6b3533);border-color:var(--mg-coral);color:#fff;box-shadow:0 0 16px #ff8a6840}.study-grid-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding:0 4px}.study-grid-title{font-size:17px;font-weight:800;color:var(--mg-gold);text-shadow:0 1px 0 var(--mg-navy);letter-spacing:-.02em}.study-grid-count{font-size:13px;font-weight:600;color:#fff6}.study-deck-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}@media(max-width:480px){.study-deck-grid{grid-template-columns:repeat(2,1fr);gap:10px}}.study-deck-card{cursor:pointer;border-radius:6px;outline:none;transition:transform .25s cubic-bezier(.23,1,.32,1)}.study-deck-card:focus-visible{box-shadow:0 0 0 3px #ffd70073}.study-deck-card.is-locked{opacity:.72;filter:saturate(.65)}.study-deck-card.is-locked:hover{transform:none}.study-card-panel{position:relative;padding:14px 12px 16px;min-height:220px;display:flex;flex-direction:column;border-radius:16px;background:#080a1673;border:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 10px 28px #00000047;transition:border-color .25s,box-shadow .25s,transform .25s}.study-card-panel:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;background:linear-gradient(160deg,rgba(255,255,255,.1) 0%,transparent 42%,transparent 58%,rgba(255,138,104,.12) 100%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.study-deck-card:not(.is-locked):hover .study-card-panel{border-color:#ff8a6833;box-shadow:0 14px 36px #00000057;transform:translateY(-2px)}.study-card-thumb{position:relative;width:88px;height:88px;margin:0 auto 10px;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#0e0c1ee6,#1a0e1ce6);border:1px solid rgba(255,255,255,.08)}.study-card-spell{width:100%;height:100%;object-fit:cover;display:block}.study-card-gif{object-fit:cover}.study-word-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;color:#ffffffbf;background:linear-gradient(135deg,#141228e6,#1e1020e6)}.study-word-pron{font-size:11px;color:#ffffff6b;margin-bottom:8px;letter-spacing:.04em}.study-word-card .study-card-cta{margin-top:auto}.study-card-lock{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:22px;z-index:3;background:#05091273;border-radius:8px}.study-card-body{text-align:center;flex:1;display:flex;flex-direction:column}.study-card-title{font-size:14px;font-weight:800;color:#fff;line-height:1.25;margin-bottom:4px;text-shadow:0 1px 0 var(--mg-navy);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.study-card-sub{font-size:11px;color:#ffffff6b;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.study-card-meta{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;margin-bottom:10px}.study-card-badge,.study-tag{font-size:10px;font-weight:800;padding:3px 8px;border-radius:100px;letter-spacing:.02em}.study-card-badge{background:#ffd70026;color:var(--mg-gold);border:1px solid rgba(255,215,0,.25)}.study-tag-open{background:#44dd881f;color:var(--mg-green);border:1px solid rgba(68,221,136,.3)}.study-tag-pro{background:#a855f71f;color:#c084fc;border:1px solid rgba(168,85,247,.3)}.study-tag-login{background:#60a5fa1f;color:#93c5fd;border:1px solid rgba(96,165,250,.3)}.study-card-cta{margin-top:auto;display:inline-block;align-self:center;font-size:12px;font-weight:700;color:#ffffffe0;padding:8px 20px;min-width:120px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;letter-spacing:.04em}.study-empty{grid-column:1 / -1;text-align:center;padding:48px 20px;color:#ffffff8c;font-size:15px;line-height:1.6}.study-access-error{grid-column:1 / -1;max-width:520px;margin:12px auto 24px;padding:32px 28px 28px;text-align:center;border-radius:18px;background:linear-gradient(165deg,#120e20b8,#0a0816d1);border:1px solid rgba(255,138,104,.35);box-shadow:0 20px 48px #00000073,0 0 0 1px #ffd70014 inset,0 0 40px #ff8a6814;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.study-access-error-icon{font-size:36px;line-height:1;margin-bottom:14px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.4))}.study-access-error-title{font-size:clamp(22px,4vw,28px);font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:12px}.study-access-error-text{font-size:clamp(15px,2.8vw,17px);line-height:1.55;color:#ffffffd1;margin-bottom:22px}.study-access-error-text strong{color:#ffd89a;font-weight:700}.study-access-error-btn{display:inline-flex;align-items:center;justify-content:center;min-width:200px;padding:13px 24px;border-radius:12px;border:1px solid rgba(255,138,104,.45);background:linear-gradient(180deg,#ff8a6838,#ff6b351f);color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;text-decoration:none;transition:transform .15s,border-color .2s,box-shadow .2s;box-shadow:0 8px 24px #ff6b3526}.study-access-error-btn:hover{transform:translateY(-1px);border-color:#ff8a68a6;box-shadow:0 12px 28px #ff6b3538}.study-access-error-actions{display:flex;flex-direction:column;align-items:center;gap:12px}.study-access-error-link{font-size:13px;color:#ffffff8c;text-decoration:underline;text-underline-offset:3px}.study-access-error-link:hover{color:#ffffffd9}.study-shell.is-access-blocked .study-toolbar,.study-shell.is-access-blocked .study-grid-head{opacity:.35;pointer-events:none}.study-empty-icon{opacity:.6;margin-bottom:12px}.study-deck-grid .fade-up{opacity:0;transform:translateY(16px);transition:opacity .45s ease,transform .45s ease}.study-deck-grid .fade-up.visible{opacity:1;transform:translateY(0)}html.study-mode-viewer #study-catalog,.page-study-viewer #study-catalog{display:none!important;visibility:hidden!important;pointer-events:none!important}html.study-mode-viewer #study-viewer,.page-study-viewer #study-viewer{display:flex!important;visibility:visible!important}html.study-mode-catalog #study-viewer,.page-study-catalog #study-viewer{display:none!important;visibility:hidden!important;pointer-events:none!important}html.study-mode-catalog #study-catalog,.page-study-catalog #study-catalog{display:block!important;visibility:visible!important}.page-study-catalog .study-bg-layer:before{background:url(/game-assets/textures/backgrounds/grimoire_bg.png) center / cover no-repeat;opacity:.42}.page-study-viewer{overflow:hidden;--study-hud-reserve: min(40dvh, 360px)}.page-study-viewer .study-bg-layer:before{background:var(--study-joseon) center / cover no-repeat;opacity:1;filter:saturate(1.05) brightness(.92)}.page-study-viewer .study-bg-layer:after{background:radial-gradient(ellipse 70% 55% at 50% 42%,transparent 0%,rgba(3,3,12,.35) 72%),linear-gradient(180deg,#03030c33,#03030c05 38%,#03030c73 72%,#03030ce6)}.page-study-viewer #bg-canvas,.page-study-viewer .malggu-nav{display:none}.study-viewer-magic{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;flex-direction:column;height:100dvh;max-height:100dvh;overflow:hidden;pointer-events:none}.study-viewer-magic>*{pointer-events:auto}.study-mc-exit{position:fixed;top:20px;left:20px;z-index:200;display:flex;align-items:center;gap:8px}.study-mc-back{position:relative;top:auto;left:auto;display:flex;align-items:center;gap:8px;padding:9px 16px;border-radius:10px;background:#05050fbf;border:1px solid rgba(255,255,255,.09);color:#ffffff8c;font-size:12px;font-family:Cinzel,serif;letter-spacing:1.5px;text-decoration:none;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:all .2s}.study-mc-back:hover{color:#fff;border-color:#ffffff40}.study-mc-header{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:200;text-align:center;pointer-events:none;white-space:nowrap;max-width:calc(100vw - 200px)}.study-mc-eye{font-family:Cinzel,serif;font-size:10px;letter-spacing:4px;color:#ffffff4d;margin-bottom:5px;overflow:hidden;text-overflow:ellipsis}.study-mc-top-right{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:8px}.study-mc-blur-toggle{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:10px;background:#05050fbf;border:1px solid rgba(255,255,255,.09);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:#ffffff80;font-family:Inter,system-ui,sans-serif;font-size:11px;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:border-color .2s,color .2s,background .2s}.study-mc-blur-toggle:hover{color:#ffffffd9;border-color:#ffffff38}.study-mc-blur-toggle.is-on{border-color:color-mix(in srgb,var(--study-sc) 55%,transparent);color:var(--study-sc)}.study-mc-blur-toggle:not(.is-on) .study-mc-blur-slash{opacity:1}.study-mc-blur-toggle.is-on .study-mc-blur-slash{opacity:0}.study-mc-blur-slash{transition:opacity .2s}.study-mc-badge{padding:9px 14px;border-radius:10px;background:#05050fbf;border:1px solid rgba(255,255,255,.09);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);display:flex;align-items:center;gap:8px;max-width:180px}.study-mc-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;background:var(--study-sc);box-shadow:0 0 8px var(--study-sc)}.study-mc-badge-lbl{font-family:Cinzel,serif;font-size:11px;letter-spacing:1px;color:#ffffffa6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.study-mc-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:200}.study-mc-nav-l{left:14px}.study-mc-nav-r{right:14px}.study-mc-nav-btn{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:#05050fa6;border:1px solid rgba(255,255,255,.09);color:#ffffff73;font-size:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .2s;cursor:pointer;font-family:inherit;line-height:1}.study-mc-nav-btn:hover:not(:disabled){color:#fff;border-color:#ffffff4d}.study-mc-nav-btn:disabled{opacity:.3;cursor:not-allowed}.study-mc-stage{position:relative;flex:1 1 0;min-height:0;max-height:calc(100dvh - var(--study-hud-reserve));z-index:100;display:flex;align-items:center;justify-content:center;pointer-events:none;padding:52px 8px 0;overflow:hidden}.study-mc-altar{position:relative;width:min(92vw,calc(100dvh - var(--study-hud-reserve) - 64px),680px);height:min(92vw,calc(100dvh - var(--study-hud-reserve) - 64px),680px);max-width:100%;max-height:100%;aspect-ratio:1;display:grid;place-items:center}.study-mc-canvas{grid-area:1 / 1;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.95;mix-blend-mode:screen;filter:drop-shadow(0 0 28px color-mix(in srgb,var(--study-sc) 35%,transparent))}.study-mc-book-stack{grid-area:1 / 1;position:relative;width:88%;aspect-ratio:1;z-index:2;filter:drop-shadow(0 20px 48px rgba(0,0,0,.65))}.study-mc-book{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.study-mc-gif-wrap{position:absolute;z-index:3;left:18%;top:22%;width:64%;height:54%;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:3px;background:transparent;pointer-events:none}.study-mc-gif{width:auto;max-width:96%;max-height:88%;object-fit:contain;object-position:center center;filter:drop-shadow(0 4px 18px rgba(0,0,0,.35))}.study-mc-gif-ph{font-family:Cinzel,serif;font-size:11px;letter-spacing:3px;color:#503c2873;text-align:center}.study-mc-standby{position:relative;flex:0 0 auto;width:100%;max-height:var(--study-hud-reserve);z-index:200;background:linear-gradient(0deg,rgba(3,3,12,.42) 0%,transparent 100%);padding:4px 16px max(14px,env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:6px;overflow:visible}.study-mc-hud-panel{position:relative;width:min(94vw,540px);padding:22px 22px 18px;box-sizing:border-box;border-radius:18px;background:linear-gradient(165deg,#0c0e1c61,#0608127a);border:1px solid rgba(255,255,255,.12);box-shadow:0 12px 36px #00000047,0 0 0 1px #c9a84c1a inset;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:stretch;gap:8px}.study-mc-hud-panel:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,color-mix(in srgb,var(--study-sc) 55%,transparent),#ffffff0f 40%,color-mix(in srgb,var(--study-sc) 35%,transparent));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.study-mc-reveal{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;padding:12px 14px 10px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#ffffff0d;cursor:pointer;font-family:inherit;transition:background .2s,border-color .2s}.study-mc-reveal:hover{background:#ffffff17;border-color:color-mix(in srgb,var(--study-sc) 30%,transparent)}.study-mc-field-label{font-family:Cinzel,serif;font-size:10px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:color-mix(in srgb,var(--study-sc) 70%,#fff)}.study-viewer-magic.blur-off .study-mc-reveal{cursor:default;pointer-events:none}.study-mc-listen{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;margin-top:2px;padding:13px 20px;border-radius:12px;border:1px solid color-mix(in srgb,var(--study-sc) 38%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--study-sc) 12%,transparent),color-mix(in srgb,var(--study-sc) 5%,transparent));font-family:Cinzel,serif;font-size:14px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--study-sc);cursor:pointer;transition:background .2s,transform .15s;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.study-mc-listen:hover:not(:disabled){background:linear-gradient(180deg,color-mix(in srgb,var(--study-sc) 20%,transparent),color-mix(in srgb,var(--study-sc) 10%,transparent));transform:translateY(-1px)}.study-mc-listen:disabled{opacity:.35;cursor:not-allowed;transform:none}.study-mc-listen svg{flex-shrink:0;opacity:.9}.study-mc-word-ko .study-mc-reveal-text{font-size:clamp(32px,7.5vw,48px);font-weight:900;color:#fff;letter-spacing:-.02em;text-shadow:0 0 20px color-mix(in srgb,var(--study-sc) 28%,transparent);line-height:1.15;min-height:1.15em}.study-mc-word-en .study-mc-reveal-text{font-size:clamp(18px,3.8vw,24px);font-weight:600;color:#ffffffe6;line-height:1.35;min-height:1.35em}.study-mc-reveal-text{display:inline-block;transition:filter .4s ease,opacity .35s ease}.study-mc-reveal:not(.is-revealed) .study-mc-reveal-text{filter:blur(14px);opacity:.7;-webkit-user-select:none;user-select:none}.study-mc-reveal.is-revealed .study-mc-reveal-text{filter:blur(0);opacity:1}.study-viewer-magic.blur-off .study-mc-reveal .study-mc-reveal-text{filter:none;opacity:1}.study-mc-reveal-hint{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#ffffff61;transition:opacity .25s}.study-mc-reveal.is-revealed .study-mc-reveal-hint,.study-viewer-magic.blur-off .study-mc-reveal-hint{opacity:0;pointer-events:none}.study-mc-cta{padding:13px 42px;border-radius:12px;border:1.5px solid var(--study-sc);background:transparent;font-family:Cinzel,serif;font-size:13px;letter-spacing:2.5px;font-weight:700;cursor:pointer;transition:all .25s;color:var(--study-sc);margin-top:4px}.study-mc-cta:hover:not(:disabled){background:#ffffff12}.study-mc-cta:disabled{opacity:.35;cursor:not-allowed}.study-mc-hint{font-size:11px;font-weight:500;color:#ffffff40;letter-spacing:1px}.study-listen-toast{position:fixed;left:50%;bottom:calc(var(--study-hud-reserve) + 12px);z-index:260;display:inline-flex;align-items:center;justify-content:center;gap:10px;margin:0;padding:10px 18px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.04em;color:#fff;white-space:nowrap;pointer-events:none;transform:translate(-50%);background:#0c1220eb;border:1px solid color-mix(in srgb,var(--study-sc) 45%,transparent);box-shadow:0 0 0 1px #ffffff0a,0 8px 28px #00000073,0 0 18px color-mix(in srgb,var(--study-sc) 22%,transparent);animation:study-listen-toast-in .22s ease-out}.study-listen-toast[hidden]{display:none}.study-listen-toast__pulse{width:9px;height:9px;border-radius:50%;background:var(--study-sc);box-shadow:0 0 10px var(--study-sc);animation:study-listen-pulse 1s ease-in-out infinite}.study-mc-listen.is-loading{opacity:.65;pointer-events:none}@keyframes study-listen-toast-in{0%{opacity:0;transform:translate(-50%) translateY(6px) scale(.96)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}@keyframes study-listen-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}.study-mc-err{text-align:center;font-size:13px;font-weight:600;color:#ffc8d0;line-height:1.55;max-width:480px;padding:10px 16px;border-radius:10px;background:#500a1461;border:1px solid rgba(255,68,102,.28);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.study-mc-err:not([hidden]){display:block}.study-mc-err a{color:#ffb8c8;font-weight:700;text-decoration:underline;text-underline-offset:2px}.study-mc-err a:hover{color:#fff}@media(max-height:860px){.page-study-viewer{--study-hud-reserve: min(44dvh, 330px)}.study-mc-stage{padding-top:48px}.study-mc-hud-panel{padding:16px 18px 14px;gap:6px}.study-mc-reveal{padding:10px 12px 8px}.study-mc-word-ko .study-mc-reveal-text{font-size:clamp(26px,5.5dvh,42px)}.study-mc-word-en .study-mc-reveal-text{font-size:clamp(16px,3.2dvh,22px)}.study-mc-listen{padding:11px 16px;font-size:13px}}@media(max-height:720px){.page-study-viewer{--study-hud-reserve: min(48dvh, 300px)}.study-mc-header,.study-mc-exit,.study-mc-top-right{top:14px}.study-mc-book-stack{width:84%}}@media(max-width:520px){.study-mc-exit{top:12px;left:12px;gap:6px}.study-mc-back{padding:8px 12px;font-size:11px}.study-mc-header{top:12px;max-width:calc(100vw - 120px)}.study-mc-top-right{top:12px;right:12px}.study-mc-badge{max-width:120px;padding:7px 10px}.study-mc-blur-toggle{padding:7px 10px;font-size:10px}.study-mc-nav-l{left:8px}.study-mc-nav-r{right:8px}.study-mc-stage{padding-top:52px}.study-mc-altar{width:min(96vw,calc(100dvh - var(--study-hud-reserve) - 56px),680px);height:min(96vw,calc(100dvh - var(--study-hud-reserve) - 56px),680px)}.study-mc-book-stack{width:90%}.study-mc-standby{padding:4px 12px 12px}.study-mc-hud-panel{width:min(96vw,540px);padding:18px 16px 14px}.study-mc-word-ko .study-mc-reveal-text{font-size:clamp(28px,9vw,40px)}.study-mc-word-en .study-mc-reveal-text{font-size:clamp(16px,4.5vw,20px)}.study-mc-gif-wrap{left:19%;top:23%;width:62%;height:52%}.study-mc-gif{max-width:94%;max-height:86%}}.page-study-game .malggu-nav{background:#050912d9;border-bottom:1px solid rgba(255,215,0,.1);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}@media(prefers-reduced-motion:reduce){.study-deck-grid .fade-up{transition-duration:.01s}}