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19px;color:#2a190f;font-weight:800;text-align:center;text-decoration:none;background:linear-gradient(180deg,#efd48c,#b87828);border:1px solid #f2d89a;border-bottom-color:#724315;border-radius:8px;box-shadow:0 4px #6f4014,0 8px 16px #28170b40;cursor:pointer;transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}.medieval-button:hover{filter:brightness(1.07);transform:translateY(-1px)}.medieval-button:active{box-shadow:0 1px #6f4014;transform:translateY(3px)}.medieval-button:disabled{cursor:not-allowed;filter:grayscale(.7);opacity:.55;transform:none}.medieval-button--secondary{color:#f5e8c7;background:linear-gradient(180deg,#63452e,#382317);border-color:#8b684b;box-shadow:0 4px #24150d,0 8px 16px #0000002e}.medieval-button--ghost{color:#59391f;background:#fffae657;border-color:#5c371b4d;box-shadow:none}.medieval-button--danger{color:#f8e8d9;background:linear-gradient(#a64539,#6d241f);border-color:#ca6f60;box-shadow:0 4px #42120f}.parchment-card{position:relative;min-width:0;padding:24px;color:var(--ink);background:linear-gradient(#fffbe866,#ddbe7f24),var(--paper);border:1px solid #c39b5b;border-radius:10px 16px 9px 14px;box-shadow:var(--shadow),inset 0 0 35px #7a46181f}.parchment-card:after{position:absolute;top:6px;right:6px;bottom:6px;left:6px;content:"";border:1px solid rgba(90,54,27,.12);border-radius:inherit;pointer-events:none}.parchment-card--ornate{border:2px solid #a97531;box-shadow:0 0 0 4px #cfa75b2e,var(--shadow),inset 0 0 45px #6c391226}.hero{position:relative;display:grid;min-height:min(720px,calc(100vh - 65px));overflow:hidden;grid-template-columns:1.15fr .85fr;isolation:isolate;border-bottom:1px solid rgba(230,196,118,.25)}.hero:before{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;content:"";background:linear-gradient(90deg,#180d08fa,#1f120be8 46%,#1f191a85),radial-gradient(circle at 83% 30%,#8792a1,transparent 16rem),linear-gradient(#141b27,#4e3c30 72%,#1d120c)}.hero__mist{position:absolute;right:-10%;bottom:-12%;width:70%;height:45%;z-index:-1;background:radial-gradient(ellipse,rgba(211,209,189,.2),transparent 65%);filter:blur(16px)}.hero__content{align-self:center;width:min(720px,calc(100% - 40px));margin-left:max(24px,calc((100vw - 1320px)/2));padding-block:70px;color:#f8e9c4}.hero h1{margin-bottom:22px;color:#ffe8b0;font-size:clamp(3rem,7.3vw,6.9rem);font-weight:500;letter-spacing:-.055em;text-shadow:0 3px 24px rgba(0,0,0,.55)}.hero__lead{max-width:640px;color:#cfbea0;font-size:clamp(1.05rem,2vw,1.28rem)}.hero__actions,.hero__quick-actions{display:flex;flex-wrap:wrap;gap:13px}.hero__actions{margin-top:29px}.hero__quick-actions{margin-top:20px}.hero__quick-actions a{display:inline-flex;align-items:center;gap:7px;padding:7px 3px;color:#e8d2a0;text-decoration-color:#e8d2a06b;text-underline-offset:5px}.hero__tower{position:relative;display:grid;place-items:center}.hero__moon{position:absolute;top:14%;right:19%;width:clamp(110px,13vw,190px);height:clamp(110px,13vw,190px);background:#dbe0d5;border-radius:50%;box-shadow:0 0 70px #d5e1d859}.hero__castle{position:relative;z-index:1;margin-top:17%;color:#0e0e13;font-size:clamp(16rem,34vw,36rem);line-height:.6;text-shadow:0 -18px 35px rgba(131,145,158,.2);transform:scaleX(.74)}.player-banner{display:grid;width:min(1000px,calc(100% - 36px));margin:-28px auto 62px;position:relative;z-index:3;grid-template-columns:repeat(3,1fr);color:#f1dfb9;background:linear-gradient(120deg,#5e3a21,#2f1c12);border:1px solid #a97839;border-radius:12px;box-shadow:var(--shadow)}.player-banner>div{padding:18px 24px;text-align:center}.player-banner>div+div{border-left:1px solid rgba(229,191,109,.22)}.player-banner span,.player-banner strong{display:block}.player-banner span{margin-bottom:5px;color:#bea77d;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}.section-block{margin-bottom:74px}.section-heading{max-width:700px;margin-bottom:26px;color:#f3e5c2}.section-heading h2{font-size:clamp(2rem,4vw,3.4rem)}.mode-grid{display:grid;gap:13px;grid-template-columns:repeat(5,1fr)}.mode-card{display:flex;min-height:230px;padding:22px;flex-direction:column;color:var(--ink);text-decoration:none;background:linear-gradient(160deg,#f3e4bd,#d3af70);border:1px solid #d4b170;border-radius:12px;box-shadow:var(--shadow);transition:transform .18s ease,filter .18s ease}.mode-card:hover{filter:brightness(1.06);transform:translateY(-5px)}.mode-card>svg:first-child{width:34px;height:34px;margin-bottom:auto;color:#8b5424}.mode-card>svg:last-child{align-self:flex-end}.mode-card h3{margin:22px 0 8px;font-size:1.3rem}.mode-card p{color:#68503d;font-size:.9rem}.dungeon-preview-grid{display:grid;gap:22px;grid-template-columns:1fr 1fr}.dungeon-preview{min-height:310px;padding:34px}.dungeon-preview__icon{position:absolute;right:25px;bottom:6px;font-size:8rem;font-weight:900;opacity:.19}.dungeon-preview h3{max-width:440px;font-size:clamp(1.9rem,4vw,3.2rem)}.dungeon-preview p{max-width:520px;color:var(--ink-soft)}.dungeon-preview a,.source-grid a{position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;color:#713f1e;font-weight:800;text-underline-offset:4px}.realm-map{position:relative;display:grid;min-height:930px;padding:56px;overflow:hidden;gap:44px;grid-template-columns:1fr 1fr;background:radial-gradient(circle at 20% 18%,rgba(66,103,70,.23),transparent 18rem),radial-gradient(circle at 80% 60%,rgba(75,91,113,.23),transparent 20rem),linear-gradient(135deg,#dcc38e,#b99559);border:8px solid #6d4527;border-radius:28px 16px 32px 13px;box-shadow:var(--shadow),inset 0 0 80px #3e200c61}.realm-map:after{position:absolute;top:18px;right:18px;bottom:18px;left:18px;content:"";border:2px dashed rgba(73,43,21,.28);border-radius:18px;pointer-events:none}.realm-map__road{position:absolute;top:20%;right:10%;bottom:20%;left:10%;border:8px dotted rgba(85,57,31,.26);border-top-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:rotate(-12deg)}.map-location{position:relative;z-index:2;align-self:start;min-height:320px;padding:30px;color:#f6e8c7;text-decoration:none;background:linear-gradient(145deg,color-mix(in srgb,var(--dungeon-color) 45%,#2a1b12),#291a11 70%);border:2px solid color-mix(in srgb,var(--dungeon-color) 65%,#d7b16c);border-radius:50% 50% 18px 18px/22% 22% 18px 18px;box-shadow:0 18px 30px #2e1a0d52;transition:transform .18s ease}.map-location:hover{transform:translateY(-5px) rotate(-.5deg)}.map-location--2{margin-top:160px}.map-location__tower{display:grid;width:70px;height:70px;margin-bottom:22px;place-items:center;color:#21140c;font-size:1.8rem;font-weight:900;background:linear-gradient(#efcf82,#a86e2c);border:4px solid #f0d99b;border-radius:50% 50% 12px 12px}.map-location h2{font-size:2rem}.map-location p{color:#d3c09c}.map-location .progress{margin-block:25px 18px}.map-location__stats,.map-location__enter{display:flex;align-items:center;gap:7px}.map-location__stats{flex-wrap:wrap;color:#d7c49a;font-size:.83rem}.map-location__enter{position:absolute;right:24px;bottom:22px;color:#f3ce79;font-weight:800}.map-location--future{display:flex;min-height:240px;flex-direction:column;justify-content:center;color:#4f3d2d;background:#d5bf9494;border:2px dashed rgba(79,61,45,.38);border-radius:40% 40% 15px 15px;box-shadow:none;filter:saturate(.4)}.map-location--future p{color:#675140}.map-location--4{margin-top:120px}.dungeon-header{display:grid;align-items:center;margin-bottom:28px;padding:38px;gap:28px;grid-template-columns:auto 1fr minmax(240px,.65fr);color:#f6e8c9;background:radial-gradient(circle at 15% 20%,color-mix(in srgb,var(--dungeon-color) 70%,transparent),transparent 22rem),linear-gradient(135deg,#3b2518,#1e1410);border:1px solid color-mix(in srgb,var(--dungeon-color) 65%,#b98745);border-radius:18px;box-shadow:var(--shadow)}.dungeon-header__sigil{display:grid;width:100px;height:100px;place-items:center;color:#2c1c13;font-size:2.7rem;font-weight:900;background:linear-gradient(145deg,#f3d794,#a96a28);border:5px double #fff0be;border-radius:50%}.dungeon-header h1{margin-bottom:12px;color:#ffe6a9;font-size:clamp(2.2rem,5vw,4.1rem)}.dungeon-header p{margin-bottom:0;color:#cfbd9c}.dungeon-header__progress>span{display:block;margin-top:10px;color:#bea980;text-align:right}.badge-strip{display:flex;align-items:center;margin-bottom:28px;padding:13px 18px;overflow-x:auto;gap:9px;color:#f5dda5;background:#5c361cb8;border:1px solid rgba(212,170,91,.35);border-radius:10px}.badge-strip span{min-width:max-content;padding:6px 10px;color:#402714;background:#d5b26c;border-radius:999px;font-size:.82rem;font-weight:800}.room-list{display:grid;gap:22px}.dungeon-room{padding:30px;background:#23160fd1;border:1px solid rgba(213,173,98,.22);border-radius:14px}.dungeon-room__heading{display:flex;gap:18px;color:#f4e3be}.dungeon-room__heading>span{display:grid;width:48px;height:48px;flex:0 0 auto;place-items:center;color:#311e12;font-size:1.25rem;font-weight:900;background:#c89243;border:2px solid #ebc777;border-radius:50%}.dungeon-room__heading h2{margin-bottom:8px;font-size:1.8rem}.dungeon-room__heading p:last-child{color:#b8a587}.exercise-list{display:grid;margin-top:19px;gap:10px;grid-template-columns:repeat(2,1fr)}.exercise-node{display:grid;align-items:center;min-height:92px;padding:13px;gap:14px;grid-template-columns:auto 1fr auto;color:#342116;text-decoration:none;background:linear-gradient(135deg,#f1dfb6,#d0ac71);border:1px solid #c99a56;border-radius:10px;transition:transform .16s ease,filter .16s ease}.exercise-node:hover{filter:brightness(1.05);transform:translate(3px)}.exercise-node--boss{color:#f6e8c7;background:linear-gradient(135deg,#7d3028,#371917);border-color:#bd6557}.exercise-node.is-complete{box-shadow:inset 4px 0 #4e8a61}.exercise-node__icon{display:grid;width:46px;height:46px;place-items:center;color:#f8e8bc;background:#724424;border-radius:50%}.exercise-node--boss .exercise-node__icon{background:#b14538}.exercise-node small,.exercise-node strong,.exercise-node em{display:block}.exercise-node small{margin-bottom:4px;opacity:.68}.exercise-node em{margin-top:5px;font-size:.78rem;opacity:.65}.progress__labels,.boss-health__label{display:flex;justify-content:space-between;margin-bottom:7px;color:inherit;font-size:.8rem}.progress__track,.boss-health__track{height:10px;overflow:hidden;background:#1e120a4d;border:1px solid rgba(238,205,137,.22);border-radius:999px}.progress__track span{display:block;height:100%;background:linear-gradient(90deg,#976222,#efcb70);border-radius:inherit;transition:width .35s ease}.quest-player{width:min(980px,calc(100% - 32px));margin-inline:auto;padding-block:42px 92px}.quest-player--boss{width:min(1080px,calc(100% - 32px))}.quest-player__header{display:flex;align-items:end;justify-content:space-between;margin-bottom:20px;gap:20px;color:#f3e2be}.quest-player__header h1{margin-bottom:10px;color:#ffe5a5;font-size:clamp(2rem,5vw,4rem)}.quest-player__header p:last-child{max-width:680px;margin-bottom:0;color:#bda98a}.correction-toggle{display:inline-flex;align-items:center;min-width:max-content;padding:9px 12px;gap:7px;color:#d4bf95;background:transparent;border:1px solid rgba(223,190,119,.28);border-radius:8px;cursor:pointer}.boss-health{margin-bottom:22px;padding:14px 18px;color:#f7d8cf;background:linear-gradient(90deg,#381615,#5d211d,#321512);border:1px solid #9e4036;border-radius:9px;box-shadow:0 0 30px #7e1c1838}.boss-health__track{height:15px;background:#1f0c0b;border-color:#f3917e52}.boss-health__track span{display:block;height:100%;background:linear-gradient(90deg,#7d1818,#df4b37);border-radius:inherit;transition:width .45s ease}.quest-player>.progress{margin-bottom:22px;padding:13px 16px;color:#ead7ae;background:#321f14c2;border-radius:9px}.step-card{min-height:470px;padding:clamp(24px,5vw,48px)}.step-card__number{margin-bottom:8px;color:#9a642b;font-size:.78rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.step-card>h2{margin-bottom:24px;font-size:clamp(1.8rem,4vw,2.8rem)}.step-question{margin:25px 0 16px;color:#352117;font-size:1.12rem;font-weight:800}.dialogue{display:grid;align-items:start;margin:17px 0 24px;padding:17px;gap:15px;grid-template-columns:auto 1fr;color:#f5e6c8;background:linear-gradient(135deg,#4b3020,#2d1b12);border:1px solid #976538;border-radius:12px;box-shadow:inset 0 0 20px #ffde9a0d}.dialogue--boss{background:linear-gradient(135deg,#6f2823,#351413);border-color:#a64b41}.dialogue__portrait{display:grid;width:50px;height:50px;place-items:center;color:#321f13;font-size:1.4rem;font-weight:900;background:linear-gradient(#efd693,#aa7130);border:2px solid #f3dda7;border-radius:50% 50% 45% 45%}.dialogue strong{color:#efc975}.dialogue p{margin:5px 0 0}.math-block{position:relative;width:100%;min-width:0;max-width:100%;margin:18px 0;padding:20px 48px 20px 20px;overflow-x:auto;color:#1e1711;font-size:clamp(1rem,2.4vw,1.24rem);background:#fffbecad;border:1px solid rgba(83,50,25,.24);border-left:4px solid #a46c2c;border-radius:7px;scrollbar-color:#a46c2c transparent}.math-block .katex-display{width:max-content;min-width:100%;margin:0;padding:5px 0;text-align:center}.math-expand{position:absolute;top:7px;right:7px;display:grid;width:34px;height:34px;place-items:center;color:#70451f;background:#edd297b8;border:1px solid rgba(101,61,28,.26);border-radius:6px;cursor:pointer}.formula-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;padding:28px;place-items:center;background:#120a06eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.formula-overlay__close{position:absolute;top:20px;right:20px;display:grid;width:48px;height:48px;place-items:center;color:#f4dda6;background:#4d2f1e;border:1px solid #b38040;border-radius:50%;cursor:pointer}.formula-overlay__content{width:min(1200px,100%);padding:35px;overflow-x:auto;color:#21170f;font-size:clamp(1.2rem,4vw,2.4rem);background:var(--paper-light);border:4px double #b98439;border-radius:12px}.choice-grid{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}.choice-grid button{display:grid;align-items:center;min-height:68px;padding:11px 14px;gap:12px;grid-template-columns:auto 1fr;color:#3c2a1d;text-align:left;background:#fff8e09e;border:1px solid rgba(107,67,33,.3);border-radius:9px;cursor:pointer}.choice-grid button:hover,.choice-grid button.is-selected{background:#f8e6b7;border-color:#9d642a}.choice-grid button.is-selected{box-shadow:inset 4px 0 #9c6428}.choice-grid button>span:first-child{display:grid;width:32px;height:32px;place-items:center;color:#f7e8c6;font-weight:900;background:#704522;border-radius:50%}.choice-grid .math-inline{font-size:1.03rem}.answer-input{display:grid;margin-top:16px;gap:7px}.answer-input span{color:#704821;font-weight:800}.answer-input input,.filter-bar input,.filter-bar select,.mode-filters select{min-height:52px;padding:11px 14px;color:#291b12;background:#fff9e7;border:1px solid #a7793d;border-radius:8px}.order-steps{display:grid;gap:12px}.order-steps__selected,.order-steps__available{display:grid;min-height:70px;padding:10px;gap:8px;grid-template-columns:repeat(2,1fr);background:#fff9e56b;border:1px dashed rgba(91,55,27,.36);border-radius:9px}.order-steps__selected button,.order-steps__available button{display:flex;align-items:center;padding:10px;gap:9px;color:#352216;text-align:left;background:#ebd39b;border:1px solid #b98b4c;border-radius:7px;cursor:pointer}.order-steps__selected button span{display:grid;width:28px;height:28px;flex:0 0 auto;place-items:center;color:#fff;background:#70431f;border-radius:50%}.order-steps__available button{background:#fffbecb3}.order-reset{display:inline-flex;align-items:center;justify-self:start;gap:6px;color:#724821;background:transparent;border:0;text-decoration:underline;cursor:pointer}.feedback{margin-top:20px;padding:16px 18px;border-radius:9px}.feedback p{margin:5px 0 0}.feedback--wrong{color:#5b1d18;background:#edc5b1;border:1px solid #bd6653}.feedback--correct{color:#173d28;background:#c8dfc0;border:1px solid #6d9e72}.feedback--revealed{color:#4e351f;background:#ead7a9;border:1px solid #bd8f4e}.feedback__why{display:flex;align-items:start;gap:7px;font-style:italic}.feedback__why svg{flex:0 0 auto;margin-top:4px}.step-card__actions{display:flex;justify-content:flex-end;margin-top:24px}.hint-panel{margin-top:17px;padding:18px;color:#e8d6b1;background:#2d1d13eb;border:1px solid rgba(219,180,104,.32);border-radius:10px}.hint-panel__title{display:flex;align-items:center;gap:8px;color:#efcf83}.hint-panel p{display:grid;margin:12px 0;padding:11px;gap:3px;background:#ffffff0a;border-left:3px solid #a97532}.hint-panel p span{color:#c9954e;font-size:.72rem;font-weight:900;text-transform:uppercase}.hint-panel__actions{display:flex;flex-wrap:wrap;gap:9px}.full-correction{margin-bottom:20px}.full-correction ol{display:grid;padding-left:24px;gap:10px}.full-correction li strong,.full-correction li span{display:block}.full-correction li span{margin-top:3px;color:var(--ink-soft)}.full-correction li small{display:flex;align-items:start;margin-top:6px;gap:6px;color:#69472e;font-style:italic}.full-correction li small svg{flex:0 0 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