:root{color-scheme:dark;--bg:#0d1829;--surface:#14253b;--surface-hi:#1a304b;--line:#30445b;--ink:#f4f0e7;--muted:#aebbd0;--gold:#f1c67e;--gold-dark:#dbac64;--mint:#80dabb;--red:#f3a5a5;--purple:#bea7f4;--radius:22px;--shadow:0 20px 50px #030a1799}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,'Segoe UI',sans-serif;min-height:100vh}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}a{color:inherit;text-decoration:none}.hidden{display:none!important}.aurora{position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 1% 5%,#1b456633,transparent 37%),radial-gradient(ellipse at 90% 9%,#53456825,transparent 35%),radial-gradient(ellipse at 55% 95%,#23545b20,transparent 40%)}.app-shell{max-width:1420px;margin:auto;padding:0 26px}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff16;gap:16px}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brand-mark{width:43px;height:43px;display:grid;place-items:center;border:1px solid #f1c67e96;border-radius:13px;background:#e8be741b;color:var(--gold);font-size:29px;line-height:1}.brand strong{font-weight:850;letter-spacing:.13em;display:block;white-space:nowrap;font-size:14px}.brand small{color:var(--gold);letter-spacing:.2em;font-weight:800;font-size:9px;display:block;margin-top:1px}.topbar-actions{display:flex;gap:14px;align-items:center}.brand-by{font-size:12px;color:#91a5b9;white-space:nowrap}.brand-by strong{color:#d7e2eb;letter-spacing:.07em}.icon-button{border:1px solid var(--line);background:#192b40;color:#dbe5ed;border-radius:50%;height:39px;width:39px;font-size:19px;font-weight:800}.profile-pill{border:1px solid var(--line);background:#18283d;color:#e6eaf1;border-radius:999px;padding:9px 15px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;max-width:180px}.profile-pill #playerLabel{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.intro-strip{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:33px 0 29px}.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--gold);font-weight:850;text-transform:uppercase}.eyebrow.muted{color:#9caec2}.spark-dot{display:inline-block;width:6px;height:6px;background:var(--gold);border-radius:50%;vertical-align:middle;margin-right:7px;box-shadow:0 0 12px var(--gold)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,4vw,50px);letter-spacing:-.055em;line-height:1.15;margin:7px 0 10px;font-weight:900}.heading-star{color:var(--gold);font-weight:400}.intro-strip p{margin:0;color:var(--muted);font-size:14px}.progress-badges{display:flex;gap:10px;flex-wrap:wrap}.stat{border:1px solid #3c5066;background:#14273b;border-radius:15px;padding:11px 16px;display:flex;align-items:center;gap:10px;min-width:126px}.stat-emoji{font-size:24px}.stat small{display:block;color:#aab9ca;font-size:11px}.stat strong{font-size:17px;font-weight:850;font-variant-numeric:tabular-nums}.workspace{display:grid;grid-template-columns:minmax(265px,335px) minmax(0,1fr);gap:20px;align-items:start}.surface{background:linear-gradient(150deg,#16283e 0%,#122339 100%);border:1px solid #33465c;border-radius:var(--radius);box-shadow:var(--shadow)}.map-panel{padding:23px;min-width:0}.panel-title{display:flex;justify-content:space-between;align-items:center}.panel-title h2{font-size:21px;letter-spacing:-.04em;margin:4px 0 0}.map-compass{color:var(--gold);font-size:30px}.overall-progress{margin:22px 0 20px}.progress-caption{display:flex;justify-content:space-between;font-size:12px;color:#b7c4d1;margin-bottom:9px}.progress-caption strong{color:var(--gold)}.track{background:#314155;border-radius:999px;height:7px;overflow:hidden}.fill{width:0%;background:linear-gradient(90deg,#d7a358,#ffdf9e);height:100%;border-radius:999px;transition:width .45s}.map-list{display:flex;flex-direction:column;position:relative;gap:5px}.map-list:before{content:'';position:absolute;left:22px;top:25px;bottom:25px;border-left:2px dashed #526179;opacity:.75}.region-row{position:relative;display:flex;align-items:center;gap:11px;padding:11px 8px;border-radius:14px;border:1px solid transparent;background:transparent;color:var(--ink);width:100%;text-align:left;transition:background .2s,transform .2s}.region-row:not(:disabled):hover{background:#283e56;transform:translateX(2px)}.region-row.selected{background:#2a3541;border-color:#9a7844}.region-row.locked{opacity:.62}.region-icon{position:relative;z-index:1;width:43px;height:43px;flex:none;border:1px solid #49617c;background:#233b56;border-radius:13px;display:grid;place-items:center;font-size:24px}.region-row.selected .region-icon{background:#5a462f;border-color:var(--gold)}.region-info{min-width:0;flex:1}.region-name{font-size:13px;font-weight:780;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.region-sub{display:block;color:#a1afbe;font-size:11px;margin-top:1px}.region-side{color:#ebca91;font-size:18px}.stage-dots{display:flex;gap:4px;margin-top:6px}.stage-dot{display:inline-block;height:5px;width:20px;background:#526174;border-radius:2px}.stage-dot.done{background:var(--gold)}.stage-dot.now{background:var(--mint)}.map-end{display:flex;align-items:center;gap:10px;border:1px dashed #af935d94;background:#58482b26;padding:13px;margin-top:18px;border-radius:14px}.map-end>span{font-size:25px}.map-end div{display:flex;flex-direction:column;flex:1;min-width:0}.map-end strong{font-size:13px}.map-end small{font-size:11px;color:#b6c3d0}.mini-arrow{background:#574831;color:var(--gold);border:1px solid #89744a;border-radius:10px;padding:8px 11px}.map-footer{color:#7f93a7;font-size:11px;line-height:1.5;padding:19px 2px 2px}.game-panel{min-height:660px;overflow:hidden;position:relative}.scene{position:relative;overflow:hidden;min-height:228px;display:flex;justify-content:space-between;gap:16px;padding:32px 33px;border-bottom:1px solid #ffffff1a;background:radial-gradient(ellipse at 83% 50%,var(--scene-glow,#32516a) 0%,transparent 45%),linear-gradient(135deg,#28435b,#162a43)}.scene:after{content:'✦      ✧              ✧         ✦';white-space:pre;letter-spacing:18px;color:#ffffff34;position:absolute;top:17px;right:-40px;transform:rotate(-18deg)}.scene-content{position:relative;z-index:1;max-width:530px}.chapter-num{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--gold)}.scene h2{font-size:clamp(24px,3vw,38px);letter-spacing:-.052em;line-height:1.1;margin:11px 0 13px}.scene p{margin:0;color:#d3e1ee;line-height:1.6;font-size:14px;max-width:540px}.scene-art{font-size:105px;align-self:center;opacity:.9;filter:drop-shadow(0 22px 20px #08162770);line-height:1;transform:rotate(-8deg);min-width:130px;text-align:center}.scene-tag{display:inline-flex;background:#101f33a8;border:1px solid #ffffff36;border-radius:30px;color:#f1ddb4;font-size:11px;gap:7px;padding:6px 11px;align-items:center;margin-bottom:10px}.mission-wrap{padding:29px 33px 32px}.mission-topline{display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap}.mission-count{font-size:12px;color:var(--mint);letter-spacing:.12em;font-weight:800}.heart-box{font-size:14px;letter-spacing:4px;color:#f4a6a6}.puzzle-title{font-size:26px;font-weight:850;line-height:1.2;letter-spacing:-.035em;margin:12px 0 7px}.puzzle-copy{font-size:14px;color:#b8c7d6;line-height:1.65;max-width:740px}.clue-box{border:1px solid #52607b;background:#0e1c2e;border-radius:15px;padding:19px 20px;display:flex;gap:15px;margin:24px 0}.clue-emblem{font-size:26px;line-height:1.15}.clue-box strong{display:block;font-size:11px;letter-spacing:.15em;color:var(--gold);margin-bottom:7px}.clue-box div{font-size:15px;line-height:1.65}.clue-box em{font-style:normal;color:#f7ddb2;font-weight:700}.game-label{color:var(--gold);text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:800;display:block;margin:20px 0 11px}.lock-form{display:flex;gap:12px;align-items:stretch;flex-wrap:wrap}.lock-input{min-width:160px;flex:1;background:#0b1929;border:1px solid #4f647b;border-radius:12px;color:white;padding:13px 16px;outline:none;font-size:20px;letter-spacing:.07em;font-weight:800}.lock-input::placeholder{color:#73879f;font-weight:500;letter-spacing:0;font-size:15px}.primary-btn{border:none;background:linear-gradient(135deg,#efc67b,#d7a65f);color:#172337;font-weight:900;padding:13px 23px;border-radius:12px;box-shadow:0 5px 20px #efc67b19;transition:filter .2s,transform .2s;display:inline-flex;justify-content:center;align-items:center;gap:12px}.primary-btn:not(:disabled):hover{filter:brightness(1.09);transform:translateY(-1px)}.primary-btn.wide{width:100%}.secondary-btn{border:1px solid #657184;background:#26394d;color:#eceadf;border-radius:12px;padding:11px 16px;font-size:13px;font-weight:800}.secondary-btn:not(:disabled):hover{background:#354d66}.bottom-tools{margin-top:24px;display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap;border-top:1px solid #ffffff1d;padding-top:20px}.tool-note{font-size:12px;color:#9eb0c0}.feedback{margin:15px 0 0;padding:12px 15px;border-radius:11px;font-size:13px;background:#6c2e3442;color:#ffd3d3;border:1px solid #aa555a6b}.feedback.good{background:#23554333;color:#b9ffe3;border-color:#4aa8837d}.hint-box{margin-top:14px;border:1px solid #ad864872;background:#6d502624;border-radius:12px;padding:14px;color:#ffdead;font-size:13px}.hint-box strong{font-size:11px;display:block;letter-spacing:.12em;margin-bottom:3px}.pairs{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pair-column{display:flex;flex-direction:column;gap:8px}.pair-heading{font-size:10px;font-weight:850;letter-spacing:.15em;color:#8faabd;margin-bottom:5px}.pair-tile{min-height:65px;text-align:left;color:#f0ede6;border:1px solid #4b5f74;background:#24394f;border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.4;font-weight:650}.pair-tile.active{border-color:var(--gold);background:#594a32}.pair-tile.matched{background:#23594785;border-color:#72c9a6;color:#bbffe5}.pair-tile:disabled{opacity:.5}.order-list{display:flex;flex-direction:column;gap:9px}.order-item{display:flex;align-items:center;gap:11px;background:#20354b;border:1px solid #4b5f74;padding:11px;border-radius:12px}.order-num{font-size:12px;font-weight:850;color:var(--gold);min-width:23px;text-align:center}.order-text{flex:1;font-size:14px;font-weight:700}.move-set{display:flex;gap:5px}.move-set button{border:1px solid #596b82;border-radius:7px;background:#2e4761;color:white;width:35px;height:34px;font-size:18px}.move-set button:disabled{opacity:.3}.order-action{margin-top:15px}.choices{display:grid;gap:10px}.choice-card{display:flex;gap:14px;align-items:center;width:100%;text-align:left;border:1px solid #496077;border-radius:13px;background:#1e334a;padding:17px;color:#f6eee2;font-weight:680;font-size:14px}.choice-card:hover:not(:disabled){border-color:var(--gold);background:#30445a}.choice-icon{font-size:24px}.success-screen{padding:45px 35px;text-align:center;display:flex;align-items:center;flex-direction:column;min-height:660px;justify-content:center}.success-icon{font-size:84px;line-height:1.15;filter:drop-shadow(0 15px 30px #d5a65f38)}.success-overline{font-size:11px;font-weight:850;letter-spacing:.22em;color:var(--gold);margin-top:24px}.success-screen h2{font-size:clamp(26px,4vw,42px);letter-spacing:-.04em;line-height:1.1;margin:12px 0}.success-screen p{font-size:15px;color:#b9c9d7;max-width:550px}.reward-pills{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin:17px 0 26px}.reward-pills span{background:#243e4c;border:1px solid #4e766a;border-radius:30px;color:#c7ffe3;padding:8px 13px;font-size:12px;font-weight:800}.lesson{background:#0e1f32;border:1px solid #4f637a;border-radius:14px;padding:16px 19px;text-align:left;color:#d6e2eb;max-width:555px;font-size:14px;line-height:1.65;margin-bottom:23px}.lesson strong{display:block;color:var(--gold);letter-spacing:.13em;font-size:10px;margin-bottom:6px}.vault-letters{display:flex;gap:7px;justify-content:center;flex-wrap:wrap;margin:17px 0 28px}.vault-letters span{width:40px;height:47px;border-radius:10px;border:1px solid #ac8749;background:#54432e;color:#ffdb9f;display:grid;place-items:center;font-size:24px;font-weight:900}.vault-letters span.locked-letter{background:#273547;color:#6e8297;border-color:#475a6d}.final-vault{padding:48px 30px;text-align:center}.final-vault .scene-art{font-size:100px}.final-vault h2{font-size:clamp(30px,4vw,45px);letter-spacing:-.04em;margin:15px auto}.final-vault p{max-width:530px;margin:0 auto 22px;color:#baccda}.final-vault form{max-width:420px;margin:auto}.final-vault .lock-input{text-align:center;width:100%;margin-bottom:12px;text-transform:uppercase}.completed-banner{margin-top:20px;display:flex;flex-direction:column;align-items:center;gap:15px}.certificate{display:none}.toast{position:fixed;z-index:25;right:20px;bottom:22px;max-width:min(400px,calc(100vw - 40px));background:#294631;color:white;border:1px solid #75ba9a;box-shadow:0 15px 45px #0008;border-radius:12px;padding:12px 16px;font-size:13px;transform:translateY(120px);opacity:0;transition:transform .2s,opacity .2s;pointer-events:none}.toast.show{transform:translateY(0);opacity:1}.overlay{position:fixed;inset:0;z-index:20;background:#020a12d8;backdrop-filter:blur(7px);display:flex;align-items:center;justify-content:center;padding:18px;overflow-y:auto}.modal{position:relative;width:min(100%,480px);background:#192d42;border:1px solid #53657b;border-radius:24px;padding:33px;box-shadow:0 30px 110px #000b}.modal h2{font-size:31px;letter-spacing:-.05em;line-height:1.16;margin:9px 0 13px}.modal p{color:#b3c2d2;font-size:14px;line-height:1.6}.modal-art{text-align:center;position:relative;font-size:80px;margin:0 0 20px;line-height:1}.modal-art i{position:absolute;left:25%;top:5%;color:var(--gold);font-size:20px}.modal-art b{position:absolute;right:23%;bottom:0;color:var(--gold);font-size:26px}.modal form label{display:block;font-size:12px;color:var(--gold);font-weight:800;margin-bottom:8px}.modal input{width:100%;background:#0c1a2d;border:1px solid #5a6d83;border-radius:10px;color:#f8f5ed;padding:13px;font-size:16px}.modal .field-help{font-size:11px;margin:9px 0 19px}.existing-profiles{margin-top:19px}.existing-profiles>p{font-size:12px;margin-bottom:9px}.profile-choice{padding:10px;border-radius:9px;border:1px solid #57677d;background:#263e56;color:white;margin:0 8px 8px 0;font-size:12px}.modal-close{position:absolute;right:16px;top:12px;border:1px solid #59677a;background:#22394e;color:#e9eff4;font-size:22px;border-radius:50%;height:34px;width:34px}.info-modal{width:min(100%,650px)}.instruction-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin:20px 0}.instruction-grid>div{border:1px solid #455c75;background:#20374f;border-radius:12px;padding:14px}.instruction-grid span{display:block;font-size:25px;margin-bottom:6px}.instruction-grid strong{font-size:13px}.instruction-grid p{margin:6px 0 0;font-size:12px}.info-modal .local-note{font-size:11px;color:#8ea5bb;margin-bottom:20px}.footer{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:11px;color:#73869a;padding:27px 0}.footer-dot{color:var(--gold)}
@media(max-width:1000px){.intro-strip{align-items:start;flex-direction:column}.workspace{grid-template-columns:270px minmax(0,1fr)}.scene-art{font-size:75px;min-width:80px}.scene{padding:27px}.mission-wrap{padding:25px}.map-panel{padding:18px}.stat{min-width:115px}}
@media(max-width:760px){.app-shell{padding:0 15px}.topbar{height:73px}.brand-by{display:none}.topbar-actions{gap:8px}.brand strong{font-size:12px;letter-spacing:.08em}.brand-mark{height:39px;width:39px}.intro-strip{padding:24px 0}.intro-strip h1{font-size:36px}.progress-badges{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.stat{padding:9px;min-width:0;gap:5px}.stat-emoji{font-size:19px}.stat strong{font-size:14px}.stat small{font-size:10px}.workspace{grid-template-columns:1fr;gap:15px}.map-panel{padding:20px}.map-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.map-list:before{display:none}.region-row{padding:9px 5px;gap:6px}.region-icon{height:38px;width:38px;font-size:20px}.region-name{font-size:12px}.region-sub{font-size:10px}.stage-dot{width:15px}.map-footer{padding-top:13px}.scene{min-height:205px;padding:26px 23px}.scene h2{font-size:30px}.scene-art{font-size:78px}.mission-wrap{padding:24px 21px}.game-panel{min-height:540px}.footer{line-height:1.7}}
@media(max-width:440px){.topbar-actions .icon-button{width:34px;height:34px}.profile-pill{padding:8px 10px;max-width:108px}.brand{gap:8px}.brand strong{font-size:10px}.brand small{font-size:8px}.brand-mark{height:36px;width:36px}.intro-strip h1{font-size:32px}.intro-strip p{font-size:13px}.scene-art{font-size:55px;min-width:50px}.scene h2{font-size:26px}.scene{padding:24px 19px;min-height:200px}.scene p{font-size:12px}.mission-wrap{padding:22px 18px}.puzzle-title{font-size:23px}.pairs{gap:8px}.pair-tile{padding:9px 10px;font-size:12px;min-height:70px}.map-panel{padding:15px}.region-row{gap:6px}.region-name{font-size:11px}.region-icon{height:35px;width:35px}.region-side{display:none}.stage-dot{width:13px}.stat-emoji{display:none}.stat{justify-content:center;padding:8px 5px}.stat strong{font-size:14px}.modal{padding:25px}.instruction-grid{grid-template-columns:1fr}.success-screen{padding:35px 20px;min-height:540px}.success-icon{font-size:68px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{body{background:#fff;color:#111}.app-shell,.overlay,.toast{display:none!important}.certificate{display:flex!important;width:100%;height:92vh;border:10px double #ab813a;align-items:center;justify-content:center;flex-direction:column;text-align:center;font-family:Georgia,serif;padding:50px}.certificate h1{font-size:52px;color:#825a1b}.certificate h2{font-size:37px;color:#333}.certificate p{font-size:18px;max-width:800px}.certificate .cred{font-size:22px;color:#8d5b19}.certificate small{margin-top:70px}}

/* Mobile app installation and home-screen styles */
html{overscroll-behavior-y:contain}
body{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.install-ribbon{display:flex;align-items:center;gap:15px;margin:0 0 22px;padding:14px 16px;border:1px solid #d2ab61a0;border-radius:16px;background:linear-gradient(110deg,#3b3425,#192b40);box-shadow:0 9px 30px #0002}
.ribbon-icon{font-size:27px}
.ribbon-copy{display:flex;flex:1;flex-direction:column;gap:2px;min-width:0}
.ribbon-copy strong{font-size:14px;color:#ffe3b0}
.ribbon-copy span{color:#c7d1db;font-size:12px}
.install-action{border:0;border-radius:12px;padding:11px 13px;background:#ebbc71;color:#17253a;font-size:13px;font-weight:800;white-space:nowrap;min-height:44px}
.install-dismiss{border:0;color:#b0bccb;background:transparent;font-size:23px;padding:7px;min-width:34px;min-height:44px}
.connectivity-dot{display:inline-block;width:7px;height:7px;border-radius:99px;background:#7fe0ba;box-shadow:0 0 8px #7fe0ba80;margin-right:6px;vertical-align:middle}
.connectivity-dot.offline{background:#efba74;box-shadow:0 0 8px #efba7470}
.install-hero{display:grid;place-items:center;margin:0 0 15px}
.install-hero img{width:95px;height:95px;border-radius:22px;box-shadow:0 10px 35px #0008}
.install-steps{display:flex;flex-direction:column;gap:8px;margin:21px 0}
.install-step{display:flex;align-items:flex-start;gap:12px;background:#253b54;border:1px solid #435a70;border-radius:11px;padding:11px 13px}
.install-step span{flex:none;width:25px;height:25px;border-radius:99px;display:grid;place-items:center;background:#e3b46c;color:#172338;font-size:12px;font-weight:900}
.install-step p{margin:1px 0;color:#e0e6ed;font-size:13px}
.install-disclaimer{color:#90a9c0;font-size:11px;margin:0 0 20px;line-height:1.55}
@media(max-width:650px){.install-ribbon{flex-wrap:wrap;gap:10px;padding:13px}.ribbon-copy{min-width:calc(100% - 88px)}.install-action{margin-left:44px;flex:1}.install-dismiss{margin-left:auto}.modal.install-modal{padding:24px;max-height:calc(100vh - 20px);overflow-y:auto}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media(display-mode:standalone){.footer{padding-bottom:calc(22px + env(safe-area-inset-bottom,0px))}}

/* v1.2 device backup controls */
.backup-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.upload-label{display:inline-flex;align-items:center;cursor:pointer}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:440px){.backup-actions{flex-direction:column}.backup-actions>*{justify-content:center;text-align:center}}