:root{color-scheme:dark;--rarity-c: #5a5a78;--rarity-r: #4f8ef7;--rarity-e: #a95ef7;--rarity-l: #ffd24a;--rarity-s: #ff4f6d;--tint-c: #20202f;--tint-r: #141d33;--tint-e: #221434;--tint-l: #332708;--tint-s: #330f18;--disabled-bg: #2e2e48;--disabled-fg: #9a9ab4;--on-accent: #0d0d18;--focus: #7c9fff;--selected: #4f8ef7;--surface-page: #0f0f1a;--surface-card: #1a1a2e;--surface-field: #22223a;--surface-raised: #2a2a4a;--surface-raised-hover: #3a3a5a;--scrim: rgba(6, 6, 14, .72);--wash: #ffffff10;--wash-line: #ffffff18;--game-ink: #0a0a14;--game-face: #1c1c36;--game-face-top: #262647;--game-face-bottom: #1b1b33;--game-well: #15152a;--game-slot: #191930;--slot-won: #241d0c;--track: #0c0c18;--line: #2a2a4a;--line-strong: #3a3a5c;--text-strong: #ffffff;--text: #e8e8f0;--text-2: #aeaec6;--text-3: #8a8aa6;--text-link: #7c9fff;--cell-text: #ffffff9c;--selected-bg: #1a2040;--good: #4fc97f;--good-bg: #1e4d2b;--good-tint: #1a2e1e;--half: #f7c94f;--half-bg: #4d3f14;--half-tint: #2a2617;--bad: #f7794f;--bad-bg: #4d1e1e;--bad-tint: #2e1a1a;--warn-bg: #2a2110;--warn-line: #4a3a18;--warn-text: #f0d9a8;--warn-strong: #ffd98a;--warn-muted: #b9a06a;--alert-bg: #2e1a12;--alert-text: #f7a04f;--ember-bg: #3a1d10;--ember-text: #ffb04f;--info-bg: #12233a;--info-text: #7cc4ff;--danger-bg: #2a1420;--danger-line: #6b2434;--danger-text: #ff6b6b;--danger-soft-text: #ff9aad;--active-bg: #16281e;--active-line: #2f7d52;--win: #5ce1a0;--win-bg: #16301f;--win-bg-deep: #12261a;--win-face: #1b2b22;--win-line: #2c5c40;--lose-bg: #301419;--lose-bg-deep: #1d1119;--boss-red: #ff4f6d;--boss-active: #ff8a3d;--gold: #ffd24a;--cyan: #4fd0f7;--purple: #c98cff;--purple-bg-top: #2b1c3f;--purple-bg: #1d1730;--purple-well: #150f26;--purple-line: #4a2c6b;--pill-rare: #9cc4ff;--pill-epic: #d3aaff;--pill-legend: #ffe08a;--pill-secret: #ff9aad;--ring-common: #5a5a78;--ring-rare: #4f8ef7;--ring-epic: #a95ef7;--ring-legend: #ffd24a;--ring-secret: #ff4f6d;--dmg-shadow: #7a0f22;--float-shadow: rgba(0,0,0,.4);--apple-bg: #fff;--apple-text: #000}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){color-scheme:light;--rarity-c: #6a6a88;--rarity-r: #2f6fd8;--rarity-e: #8a3fd6;--rarity-l: #9a7300;--rarity-s: #d42a4a;--tint-c: #ececf3;--tint-r: #e6eefc;--tint-e: #f1e8fc;--tint-l: #fbf3dc;--tint-s: #fce7eb;--disabled-bg: #dfe1ea;--disabled-fg: #5f6275;--on-accent: #0d0d18;--focus: #0b5eea;--selected: #0b5eea;--surface-page: #f3f3f8;--surface-card: #ffffff;--surface-field: #e8e8f2;--surface-raised: #dedeec;--surface-raised-hover: #d6d6e5;--scrim: #f9f9fcb8;--wash: #80808010;--wash-line: #33333318;--game-ink: #2b2b45;--game-face: #ffffff;--game-face-top: #ffffff;--game-face-bottom: #f6f6fb;--game-well: #ececf6;--game-slot: #e9e9f4;--slot-won: #faf6ef;--track: #e3e3ef;--line: #d1d1e5;--line-strong: #b8bad3;--text-strong: #0d0d18;--text: #1a1a28;--text-2: #43435b;--text-3: #5e5e78;--text-link: #134de8;--cell-text: #1414149c;--selected-bg: #e2e5f3;--good: #247544;--good-bg: #dcf2e2;--good-tint: #eaf3ec;--half: #836106;--half-bg: #f6f0dc;--half-tint: #f5f3ec;--bad: #be3609;--bad-bg: #f2dcdc;--bad-tint: #f3eaea;--warn-bg: #f8f4ec;--warn-line: #eee2c9;--warn-text: #826016;--warn-strong: #8a5d00;--warn-muted: #7a6539;--alert-bg: #f7eeea;--alert-text: #a15107;--ember-bg: #f8ebe5;--ember-text: #9b5600;--info-bg: #e5edf7;--info-text: #0069be;--danger-bg: #f6ecf2;--danger-line: #edcad2;--danger-text: #d10000;--danger-soft-text: #7a1626;--active-bg: #edf5f1;--active-line: #cbebda;--win: #167546;--win-bg: #e9f5ed;--win-bg-deep: #eef7f2;--win-face: #ecf3ef;--win-line: #cfe8d9;--lose-bg: #f6e9ec;--lose-bg-deep: #f7f2f6;--boss-red: #d40024;--boss-active: #b24700;--gold: #826200;--cyan: #077292;--purple: #9217ff;--purple-bg-top: #e9e3f2;--purple-bg: #ece9f5;--purple-well: #f1eef8;--purple-line: #dbccea;--pill-rare: #171f2b;--pill-epic: #21172b;--pill-legend: #856200;--pill-secret: #2b171b;--ring-common: #c5c5d3;--ring-rare: #9dc0fb;--ring-epic: #cb9efa;--ring-legend: #ffe699;--ring-secret: #ff99aa;--dmg-shadow: #f4a4b2;--float-shadow: #c8cade5c;--apple-bg: #000;--apple-text: #fff}}:root[data-theme=light]{color-scheme:light;--rarity-c: #6a6a88;--rarity-r: #2f6fd8;--rarity-e: #8a3fd6;--rarity-l: #9a7300;--rarity-s: #d42a4a;--tint-c: #ececf3;--tint-r: #e6eefc;--tint-e: #f1e8fc;--tint-l: #fbf3dc;--tint-s: #fce7eb;--disabled-bg: #dfe1ea;--disabled-fg: #5f6275;--on-accent: #0d0d18;--focus: #0b5eea;--selected: #0b5eea;--surface-page: #f3f3f8;--surface-card: #ffffff;--surface-field: #e8e8f2;--surface-raised: #dedeec;--surface-raised-hover: #d6d6e5;--scrim: #f9f9fcb8;--wash: #80808010;--wash-line: #33333318;--game-ink: #2b2b45;--game-face: #ffffff;--game-face-top: #ffffff;--game-face-bottom: #f6f6fb;--game-well: #ececf6;--game-slot: #e9e9f4;--slot-won: #faf6ef;--track: #e3e3ef;--line: #d1d1e5;--line-strong: #b8bad3;--text-strong: #0d0d18;--text: #1a1a28;--text-2: #43435b;--text-3: #5e5e78;--text-link: #134de8;--cell-text: #1414149c;--selected-bg: #e2e5f3;--good: #247544;--good-bg: #dcf2e2;--good-tint: #eaf3ec;--half: #836106;--half-bg: #f6f0dc;--half-tint: #f5f3ec;--bad: #be3609;--bad-bg: #f2dcdc;--bad-tint: #f3eaea;--warn-bg: #f8f4ec;--warn-line: #eee2c9;--warn-text: #826016;--warn-strong: #8a5d00;--warn-muted: #7a6539;--alert-bg: #f7eeea;--alert-text: #a15107;--ember-bg: #f8ebe5;--ember-text: #9b5600;--info-bg: #e5edf7;--info-text: #0069be;--danger-bg: #f6ecf2;--danger-line: #edcad2;--danger-text: #d10000;--danger-soft-text: #7a1626;--active-bg: #edf5f1;--active-line: #cbebda;--win: #167546;--win-bg: #e9f5ed;--win-bg-deep: #eef7f2;--win-face: #ecf3ef;--win-line: #cfe8d9;--lose-bg: #f6e9ec;--lose-bg-deep: #f7f2f6;--boss-red: #d40024;--boss-active: #b24700;--gold: #826200;--cyan: #077292;--purple: #9217ff;--purple-bg-top: #e9e3f2;--purple-bg: #ece9f5;--purple-well: #f1eef8;--purple-line: #dbccea;--pill-rare: #171f2b;--pill-epic: #21172b;--pill-legend: #856200;--pill-secret: #2b171b;--ring-common: #c5c5d3;--ring-rare: #9dc0fb;--ring-epic: #cb9efa;--ring-legend: #ffe699;--ring-secret: #ff99aa;--dmg-shadow: #f4a4b2;--float-shadow: #c8cade5c;--apple-bg: #000;--apple-text: #fff}:root[data-arena]{color-scheme:dark;--rarity-c: #5a5a78;--rarity-r: #4f8ef7;--rarity-e: #a95ef7;--rarity-l: #ffd24a;--rarity-s: #ff4f6d;--tint-c: #20202f;--tint-r: #141d33;--tint-e: #221434;--tint-l: #332708;--tint-s: #330f18;--disabled-bg: #2e2e48;--disabled-fg: #9a9ab4;--on-accent: #0d0d18;--focus: #7c9fff;--selected: #4f8ef7;--surface-page: #0f0f1a;--surface-card: #1a1a2e;--surface-field: #22223a;--surface-raised: #2a2a4a;--surface-raised-hover: #3a3a5a;--scrim: rgba(6, 6, 14, .72);--wash: #ffffff10;--wash-line: #ffffff18;--game-ink: #0a0a14;--game-face: #1c1c36;--game-face-top: #262647;--game-face-bottom: #1b1b33;--game-well: #15152a;--game-slot: #191930;--slot-won: #241d0c;--track: #0c0c18;--line: #2a2a4a;--line-strong: #3a3a5c;--text-strong: #ffffff;--text: #e8e8f0;--text-2: #aeaec6;--text-3: #8a8aa6;--text-link: #7c9fff;--cell-text: #ffffff9c;--selected-bg: #1a2040;--good: #4fc97f;--good-bg: #1e4d2b;--good-tint: #1a2e1e;--half: #f7c94f;--half-bg: #4d3f14;--half-tint: #2a2617;--bad: #f7794f;--bad-bg: #4d1e1e;--bad-tint: #2e1a1a;--warn-bg: #2a2110;--warn-line: #4a3a18;--warn-text: #f0d9a8;--warn-strong: #ffd98a;--warn-muted: #b9a06a;--alert-bg: #2e1a12;--alert-text: #f7a04f;--ember-bg: #3a1d10;--ember-text: #ffb04f;--info-bg: #12233a;--info-text: #7cc4ff;--danger-bg: #2a1420;--danger-line: #6b2434;--danger-text: #ff6b6b;--danger-soft-text: #ff9aad;--active-bg: #16281e;--active-line: #2f7d52;--win: #5ce1a0;--win-bg: #16301f;--win-bg-deep: #12261a;--win-face: #1b2b22;--win-line: #2c5c40;--lose-bg: #301419;--lose-bg-deep: #1d1119;--boss-red: #ff4f6d;--boss-active: #ff8a3d;--gold: #ffd24a;--cyan: #4fd0f7;--purple: #c98cff;--purple-bg-top: #2b1c3f;--purple-bg: #1d1730;--purple-well: #150f26;--purple-line: #4a2c6b;--pill-rare: #9cc4ff;--pill-epic: #d3aaff;--pill-legend: #ffe08a;--pill-secret: #ff9aad;--ring-common: #5a5a78;--ring-rare: #4f8ef7;--ring-epic: #a95ef7;--ring-legend: #ffd24a;--ring-secret: #ff4f6d;--dmg-shadow: #7a0f22;--float-shadow: rgba(0,0,0,.4);--apple-bg: #fff;--apple-text: #000}:root{--fs-11: .647rem;--fs-12: .706rem;--fs-13: .765rem;--fs-14: .824rem;--fs-15: .882rem;--fs-17: 1rem;--fs-20: 1.176rem;--fs-24: 1.412rem;--fs-28: 1.647rem;--fs-34: 2rem;--fs-40: 2.353rem}:root{font:-apple-system-body;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}input,textarea,select{font-size:var(--fs-17)}button,a,label,input,select,textarea,summary{touch-action:manipulation}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--surface-page);color:var(--text);min-height:100vh;overflow-x:hidden}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-main{flex:1;overflow-y:auto;padding-bottom:80px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--surface-card);border-top:1px solid var(--line);z-index:100;min-height:68px;padding-bottom:env(safe-area-inset-bottom)}.nav-btn{flex:1;max-width:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:none;background:none;cursor:pointer;color:var(--text-3);padding:6px 2px;font-size:var(--fs-11);transition:color .15s}.nav-btn.active{color:var(--text-link)}.nav-btn.nav-done,.nav-btn.active.nav-done{color:var(--good)}.nav-emoji{font-size:var(--fs-20);line-height:1}.nav-label{font-size:var(--fs-11)}.view{padding:20px 16px 16px;max-width:720px;margin:0 auto}.subject-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:16px;color:var(--text-2)}.subject-loading p{font-size:var(--fs-14)}.subject-error{margin:40px auto;text-align:center;color:var(--bad);font-size:var(--fs-15)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{font-size:1.882rem;animation:spin 1.5s linear infinite;display:inline-block}.already-done-hugo{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:10px;text-align:center}.already-done-hugo span{font-size:2.824rem}.already-done-hugo h2{font-size:var(--fs-24)}.already-done-hugo p{color:var(--text-3);font-size:var(--fs-14)}.btn-secondary{margin-top:14px;padding:12px 22px;background:transparent;border:2px solid var(--line);border-radius:12px;color:var(--text);font-size:var(--fs-15);font-weight:800;font-family:inherit;cursor:pointer}.btn-secondary:active{background:var(--surface-card)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.review-error{color:var(--danger-text);font-size:var(--fs-14);margin-top:8px}.subject-view{padding-top:20px}.subject-title{font-size:var(--fs-24);font-weight:800;margin-bottom:16px}.passage-box{background:var(--surface-card);border-radius:12px;padding:16px;margin-bottom:20px;border-left:4px solid #4f8ef7}.passage-label{font-size:var(--fs-12);color:var(--text-3);margin-bottom:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.passage-para{font-size:var(--fs-14);line-height:1.7;color:var(--text);margin-bottom:10px}.passage-para:last-child{margin-bottom:0}.question-list{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.question-block{background:var(--surface-card);border-radius:12px;padding:16px}.q-text{font-size:var(--fs-15);font-weight:600;margin-bottom:12px;line-height:1.4}.mcq-choices{display:flex;flex-direction:column;gap:8px}.mcq-choice{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface-field);border-radius:8px;cursor:pointer;font-size:var(--fs-14);border:2px solid transparent;transition:border-color .15s,background .15s}.mcq-choice input[type=radio]{accent-color:var(--selected);width:16px;height:16px}.mcq-choice.selected{border-color:var(--selected);background:var(--selected-bg)}.short-answer{width:100%;background:var(--surface-field);border:2px solid var(--line);border-radius:8px;color:var(--text);font-size:var(--fs-17);padding:10px 12px;font-family:inherit;resize:vertical;transition:border-color .15s}.short-answer:focus{outline:none;border-color:var(--selected)}.btn-submit{width:100%;padding:14px;border:none;border-radius:12px;background:#4f8ef7;font-size:var(--fs-17);font-weight:700;color:var(--on-accent);cursor:pointer;transition:opacity .2s}.btn-submit:disabled{cursor:not-allowed;opacity:.5}.review-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:8px}.review-header h2{font-size:var(--fs-24)}.review-score{font-size:var(--fs-15);color:var(--text)}.review-score strong{color:var(--good)}.review-list{display:flex;flex-direction:column;gap:14px}.review-card{border-radius:12px;padding:14px;background:var(--surface-card);border-left:4px solid var(--line-strong)}.review-card.correct{border-color:#4fc97f;background:var(--good-tint)}.review-card.wrong{border-color:#f7794f;background:var(--bad-tint)}.review-card.short{border-color:#4f8ef7}.review-q{font-size:var(--fs-14);font-weight:600;margin-bottom:10px}.review-choices{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.review-choice{padding:4px 10px;border-radius:6px;font-size:var(--fs-13);background:var(--surface-field);color:var(--text-2)}.choice-correct{background:var(--good-bg);color:var(--good);font-weight:700}.choice-wrong{background:var(--bad-bg);color:var(--bad);font-weight:700}.review-answers{display:flex;flex-direction:column;gap:6px;font-size:var(--fs-13)}.review-hugo{color:var(--text)}.review-correct{color:var(--good)}.review-explanation{color:var(--text-2);font-style:italic}.review-label{font-weight:700;margin-right:6px}.parent-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--surface-page);padding:20px}.parent-login-card{background:var(--surface-card);border-radius:18px;padding:40px 32px;width:100%;max-width:380px;text-align:center;box-shadow:0 8px 40px var(--float-shadow)}.parent-login-card h1{font-size:var(--fs-28);margin-bottom:6px}.parent-login-sub{font-size:var(--fs-14);color:var(--text-3);margin-bottom:28px}.parent-login-form{display:flex;flex-direction:column;gap:14px}.parent-pw-input{padding:12px 16px;border-radius:10px;border:2px solid var(--line);background:var(--surface-field);color:var(--text);font-size:var(--fs-17);outline:none;text-align:center;transition:border-color .15s}.parent-pw-input:focus{border-color:var(--selected)}.parent-login-error{color:var(--bad);font-size:var(--fs-13)}.parent-login-btn{padding:13px;background:#4f8ef7;border:none;border-radius:10px;color:var(--on-accent);font-size:var(--fs-17);font-weight:700;cursor:pointer}.parent-login-btn:disabled{opacity:.5;cursor:not-allowed}.parent-wrap{min-height:100vh;background:var(--surface-page);max-width:800px;margin:0 auto;padding:0 0 40px}.parent-embed .parent-wrap{min-height:0;padding-top:0;background:transparent}.parent-embed .parent-login-wrap{min-height:0;padding:0 0 20px;background:transparent}.parent-back{margin:4px 0 12px}.parent-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 12px;border-bottom:1px solid var(--line)}.parent-title{font-size:var(--fs-24);font-weight:800}.parent-sub{font-size:var(--fs-13);color:var(--text-3);margin-top:2px}.parent-logout-btn{padding:8px 16px;background:var(--surface-raised);border:none;border-radius:8px;color:var(--text-2);font-size:var(--fs-13);cursor:pointer}.parent-logout-btn:hover{background:var(--surface-raised-hover);color:var(--text-strong)}.parent-section{padding:20px}.topics-intro{font-size:var(--fs-14);color:var(--text-2);margin-bottom:20px;line-height:1.5}.topics-form{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.topic-row{display:flex;flex-direction:column;gap:5px}.topic-label{font-size:var(--fs-14);font-weight:600}.topic-input{padding:10px 14px;background:var(--surface-field);border:2px solid 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.btn-secondary{width:100%;max-width:340px;margin-top:0}.rollover-note{color:var(--text-3);font-size:var(--fs-14);margin-top:4px;max-width:34ch}.rollover .btn-submit{background:#4f8ef7;color:var(--on-accent)}.rollover .btn-submit:disabled{opacity:.55}.rollover-cta{display:block;text-decoration:none;text-align:center;width:100%;max-width:340px;padding:14px;border-radius:12px;background:#4f8ef7;color:var(--on-accent);font-size:var(--fs-17);font-weight:700}.pg{padding-bottom:12px}.pg-title{font-size:var(--fs-24);font-weight:900;margin:4px 0 14px}.pg-stale{color:var(--warn-muted);font-size:var(--fs-14);margin:-8px 0 12px}.pg-h{font-size:var(--fs-13);font-weight:900;letter-spacing:1.4px;color:var(--text-3);margin:22px 0 10px}.pg-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.pg-tile{background:var(--game-well);border:2px solid var(--line);border-radius:14px;padding:14px 8px;text-align:center}.pg-v{font-size:var(--fs-28);font-weight:900;color:var(--text-strong);line-height:1.1}.pg-of{font-size:var(--fs-15);color:var(--text-3);font-weight:800}.pg-k{font-size:var(--fs-12);color:var(--text-3);margin-top:3px}.pg-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.pg-cell{aspect-ratio:1;border-radius:7px;background:var(--game-slot);border:1px solid var(--line);display:grid;place-items:center}.pg-cell.empty{background:transparent}.pg-cell-d{font-size:var(--fs-11);font-weight:800;color:var(--cell-text)}.pg-legend{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:var(--fs-12);color:var(--text-3)}.pg-swatch{width:12px;height:12px;border-radius:4px;display:inline-block;border:1px solid var(--line);margin-left:8px}.pg-swatch:first-of-type{margin-left:0}.pg-swatch.empty{background:var(--game-slot)}.pg-swatch.half{background:#4f8ef78c}.pg-swatch.full{background:#4f8ef7}.pg-bars{display:flex;flex-direction:column;gap:9px}.pg-bar-row{display:grid;grid-template-columns:4.6rem 1fr 3.2rem;align-items:center;gap:9px}.pg-bar-label{font-size:var(--fs-14);font-weight:800;color:var(--text)}.pg-bar-track{height:12px;background:var(--game-slot);border-radius:7px;overflow:hidden}.pg-bar-fill{display:block;height:100%;border-radius:7px;min-width:3px}.pg-bar-val{font-size:var(--fs-13);font-weight:900;color:var(--text);text-align:right}.pg-note{color:var(--text-3);font-size:var(--fs-13);margin-top:10px}.hm-notice{display:flex;align-items:flex-start;gap:10px;background:var(--warn-bg);border:2px solid var(--warn-line);border-radius:14px;padding:12px 14px;margin-bottom:14px;color:var(--warn-text);font-size:var(--fs-14);line-height:1.45}.hm-notice strong{color:var(--warn-strong)}.hm-notice-x{background:none;border:none;color:var(--warn-muted);font-size:var(--fs-20);line-height:1;cursor:pointer;padding:0 2px}.answer-note{font-size:var(--fs-13);color:var(--text-3);margin-top:6px;line-height:1.4}