*,*::before,*::after{box-sizing:border-box}html{min-width:320px;background:var(--surface-soft);scroll-behavior:smooth}body{margin:0;min-height:100vh;overflow-x:hidden;color:var(--ink-950);background:radial-gradient(circle at 82% 8%,rgba(79,181,255,.13),transparent 24rem),linear-gradient(135deg,#f9fbff,#f2f7ff);font:16px/1.45 var(--font-body)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}:focus-visible{outline:3px solid var(--yellow-500);outline-offset:3px}.skip-link{position:fixed;z-index:100;top:8px;left:8px;padding:10px 16px;border-radius:8px;background:var(--ink-950);color:#fff;transform:translateY(-140%)}.skip-link:focus{transform:none}.app-loading{display:grid;min-height:100vh;place-items:center;font-family:var(--font-display)}
.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);min-height:100vh}.sidebar{position:fixed;z-index:20;inset:0 auto 0 0;display:flex;width:var(--sidebar-width);flex-direction:column;padding:20px 12px;border-right:1px solid var(--line);background:rgba(255,255,255,.95);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:10px;min-height:54px;padding:0 10px 16px}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:12px;background:linear-gradient(145deg,var(--yellow-500),#ff7b16 45%,var(--violet-600));color:#fff;font:700 23px var(--font-display);box-shadow:var(--shadow-sm);transform:rotate(-4deg)}.brand strong{display:block;font:700 16px/1.05 var(--font-display)}.brand span{display:block;color:var(--blue-700);font:600 11px var(--font-display)}.main-nav{display:grid;gap:3px}.nav-link{display:flex;min-height:44px;align-items:center;gap:12px;padding:9px 12px;border-radius:12px;color:var(--ink-800);font-weight:700;transition:.16s ease}.nav-link:hover{background:var(--surface-blue);transform:translateX(2px)}.nav-link[aria-current=page]{background:linear-gradient(135deg,#ffd94d,#ffb313);color:var(--ink-950);box-shadow:0 6px 16px rgba(255,184,0,.24)}.nav-icon{width:24px;text-align:center;font-size:19px}.player-card{margin-top:auto;padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow-sm)}.player-line{display:flex;align-items:center;gap:10px}.avatar{display:grid;width:42px;height:42px;place-items:center;border:3px solid #d7e8ff;border-radius:50%;background:var(--blue-500);color:#fff;font:700 20px var(--font-display)}.player-card strong{font-family:var(--font-display)}.player-card small{display:block;color:var(--violet-600);font-weight:700}.xp-track,.progress-track{height:9px;overflow:hidden;border-radius:20px;background:#e8edf7}.xp-track{margin-top:10px}.xp-fill,.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue-500),#5d98ff);transition:width .7s ease}.resource-row{display:flex;justify-content:space-between;margin-top:10px;color:var(--ink-600);font-size:13px;font-weight:700}
.app-main{grid-column:2;min-width:0;padding:10px}.page{width:min(100%,1480px);margin:auto;animation:page-in .24s ease both}.page-grid,.mission-layout{display:grid;grid-template-columns:minmax(0,1fr) var(--rail-width);gap:14px}.content-stack,.rail{display:grid;align-content:start;gap:14px;min-width:0}@keyframes page-in{from{opacity:0;transform:translateY(8px)}}.card{border:1px solid rgba(214,226,245,.92);border-radius:20px;background:rgba(255,255,255,.96);box-shadow:var(--shadow-sm)}.section-pad{padding:clamp(18px,2.4vw,30px)}.eyebrow{margin:0 0 6px;color:var(--blue-700);font:700 13px var(--font-display);text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--font-display)}h1{max-width:760px;margin-bottom:12px;font-size:clamp(34px,5vw,66px);line-height:.98}h2{margin-bottom:8px;font-size:clamp(24px,3vw,36px);line-height:1.05}h3{margin-bottom:6px;font-size:19px}.lead{max-width:650px;color:var(--ink-600);font-size:clamp(16px,1.5vw,19px)}.highlight{color:var(--blue-500)}.violet{color:var(--violet-600)}.muted{color:var(--ink-600)}.small{font-size:13px}.button-row{display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:9px;padding:10px 20px;border:0;border-radius:13px;cursor:pointer;font:700 16px var(--font-display);transition:.16s ease}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(1px) scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--blue-500),#0860e8);color:#fff;box-shadow:0 9px 20px rgba(20,119,255,.25)}.btn-warm{background:linear-gradient(135deg,#ffc629,#ff9212);color:var(--ink-950)}.btn-success{background:linear-gradient(135deg,#4ccc57,var(--green-600));color:#fff}.btn-violet{background:linear-gradient(135deg,#9358ff,var(--violet-600));color:#fff}.btn-soft{border:1px solid var(--line);background:#fff;color:var(--blue-700)}.btn-danger{background:var(--red-100);color:var(--red-600)}.btn[disabled]{cursor:not-allowed;opacity:.55;transform:none}
.home-hero,.mission-hero{display:grid;min-height:420px;grid-template-columns:minmax(0,.9fr) minmax(320px,1.1fr);align-items:center;overflow:hidden;background:linear-gradient(90deg,#fff,rgba(255,255,255,.9),rgba(233,246,255,.6))}.hero-copy{position:relative;z-index:2;padding:clamp(24px,4vw,52px)}.hero-copy .button-row{margin-top:24px}.hero-art{align-self:end;width:100%;max-height:430px;object-fit:contain;object-position:center bottom}.hero-sticker{display:inline-flex;margin-bottom:15px;padding:7px 12px;border-radius:10px;background:var(--yellow-100);color:#805600;font-weight:700;transform:rotate(-1deg)}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.quick-card{min-height:145px;padding:20px}.quick-card p{margin-bottom:0;color:var(--ink-600)}.rail-card{padding:18px}.rail-title{margin-bottom:12px;color:var(--blue-700);font:700 13px var(--font-display);text-transform:uppercase}.stat-line{display:flex;align-items:end;justify-content:space-between;gap:8px;margin-bottom:12px}.stat-number{font:700 32px var(--font-display);color:var(--blue-700)}.streak{color:var(--orange-600);font:700 34px var(--font-display)}.star-row{color:var(--yellow-500);font-size:30px}
.world-header{display:flex;justify-content:space-between;gap:24px;padding:24px 28px 10px}.worlds-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:16px}.world-card{position:relative;display:flex;min-height:430px;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff;transition:.24s ease}.world-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.world-art{display:grid;min-height:175px;place-items:center;background:var(--surface-blue)}.world-art img{width:94%;height:170px;object-fit:contain}.world-card[data-color=violet] .world-art{background:var(--violet-100)}.world-card[data-color=green] .world-art{background:var(--green-100)}.world-card[data-color=orange] .world-art{background:var(--orange-100)}.world-number{position:absolute;top:12px;left:12px;display:grid;width:32px;height:32px;place-items:center;border-radius:50%;background:var(--blue-500);color:#fff;font:700 17px var(--font-display)}.world-body{display:flex;flex:1;flex-direction:column;padding:16px}.world-body p{color:var(--ink-600)}.world-meta{display:grid;gap:6px;margin:4px 0 16px;padding:10px 0;border-block:1px solid var(--line);font-size:13px}.world-body .btn{width:100%;margin-top:auto}.lock-badge{position:absolute;top:14px;right:14px;padding:5px 8px;border-radius:8px;background:#fff;box-shadow:var(--shadow-sm);font-size:12px;font-weight:700}.mission-hero{min-height:390px}.mission-stages{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stage-card{padding:18px}.stage-index{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;background:var(--blue-500);color:#fff;font:700 18px var(--font-display)}.stage-card:nth-child(2) .stage-index{background:var(--violet-600)}.stage-card:nth-child(3) .stage-index{background:var(--orange-600)}.stage-reward{margin-top:10px;color:var(--violet-600);font-weight:700}
.mission-board{min-height:calc(100vh - 20px);padding:clamp(18px,3vw,34px)}.mission-top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.mission-location h1{margin:0;font-size:clamp(26px,4vw,42px)}.mission-counter{color:var(--ink-600);font-weight:700}.stage-progress{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:22px}.stage-step{height:7px;border-radius:10px;background:#e7edf7}.stage-step.done,.stage-step.active{background:var(--green-600)}.task-card{max-width:820px;margin:auto;padding:clamp(22px,4vw,42px);border:2px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-md)}.task-context{display:inline-block;margin-bottom:14px;padding:5px 9px;border-radius:7px;background:var(--violet-100);color:var(--violet-600);font-weight:700;font-size:13px}.task-prompt{margin-bottom:24px;font:600 clamp(25px,4vw,38px)/1.17 var(--font-display)}.answer-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.answer-option{min-height:78px;border:2px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;font:700 24px var(--font-display);transition:.16s ease}.answer-option:hover,.answer-option.selected{border-color:var(--blue-500);background:var(--blue-100);transform:translateY(-2px)}.answer-input-row{display:flex;gap:10px}.answer-input{min-width:0;min-height:62px;flex:1;padding:12px 18px;border:2px solid var(--line);border-radius:14px;color:var(--ink-950);font:700 23px var(--font-display)}.feedback{display:flex;gap:12px;margin-top:18px;padding:14px 16px;border-radius:14px}.feedback.correct{background:var(--green-100);color:#126d2a}.feedback.wrong{background:var(--red-100);color:#9f2034}.task-actions{display:flex;justify-content:space-between;gap:10px;margin-top:22px}.trainer-card{position:sticky;top:10px;overflow:hidden}.trainer-head{display:flex;align-items:center;gap:12px;padding:16px;background:var(--surface-blue)}.trainer-avatar{width:66px;height:66px;object-fit:contain}.trainer-body{padding:16px}.trainer-bubble{min-height:76px;margin-bottom:14px;padding:13px;border:2px solid #cfe0ff;border-radius:12px;background:#fff}.hint-list{display:grid;gap:8px}.hint-button{min-height:42px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--blue-700);text-align:left;font-weight:700}.timer{display:inline-flex;min-width:82px;justify-content:center;padding:8px 11px;border-radius:10px;background:var(--orange-100);color:var(--orange-600);font:700 18px var(--font-display)}.timer.low{background:var(--red-100);color:var(--red-600)}
.stage-complete,.victory{display:grid;min-height:570px;place-items:center;text-align:center}.stage-complete-inner,.victory-inner{width:min(100%,780px);padding:34px}.celebration{font-size:76px;animation:celebrate .6s ease both}@keyframes celebrate{from{opacity:0;transform:scale(.5) rotate(-8deg)}}.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.reward-item{padding:18px 10px;border-radius:14px;background:var(--surface-soft)}.reward-item strong{display:block;font:700 24px var(--font-display);color:var(--violet-600)}.title-banner{margin:22px 0;padding:18px;border:2px solid #f6cf42;border-radius:20px;background:var(--yellow-100)}.title-banner strong{display:block;font:700 clamp(32px,6vw,58px) var(--font-display)}.list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.feature-card{padding:22px}.leaderboard{display:grid;gap:6px}.leader-row{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;padding:9px;border-radius:10px}.leader-row.current{background:var(--yellow-100);font-weight:700}.leader-rank{color:var(--blue-700);font:700 17px var(--font-display)}
.modal-backdrop{position:fixed;z-index:50;inset:0;display:grid;place-items:center;padding:18px;background:rgba(8,23,73,.46);backdrop-filter:blur(5px)}.modal{width:min(100%,540px);max-height:calc(100vh - 36px);overflow:auto;padding:26px;border-radius:20px;background:#fff;box-shadow:var(--shadow-lg)}.modal-head{display:flex;justify-content:space-between;gap:12px}.icon-button{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:50%;background:#fff;cursor:pointer;font-size:22px}.plan-table{display:grid;gap:10px;margin:18px 0}.plan-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;padding:10px;border-bottom:1px solid var(--line)}.mobile-nav{display:none}
@media(max-width:1180px){.worlds-grid{grid-template-columns:repeat(2,1fr)}.quick-grid{grid-template-columns:1fr}}@media(max-width:900px){body{padding-bottom:70px}.app-shell{display:block}.sidebar{display:none}.app-main{padding:8px}.page-grid,.mission-layout{grid-template-columns:1fr}.rail{grid-template-columns:repeat(2,1fr)}.trainer-card{position:static}.mobile-nav{position:fixed;z-index:30;inset:auto 0 0;display:grid;grid-template-columns:repeat(5,1fr);min-height:66px;padding:5px 6px;border-top:1px solid var(--line);background:rgba(255,255,255,.97);box-shadow:0 -8px 24px rgba(19,52,118,.1)}.mobile-link{display:grid;place-items:center;border-radius:10px;color:var(--ink-600);font-size:11px;font-weight:700}.mobile-link span:first-child{font-size:20px}.mobile-link[aria-current=page]{background:var(--yellow-100);color:var(--ink-950)}}@media(max-width:680px){.home-hero,.mission-hero{min-height:0;grid-template-columns:1fr}.hero-copy{padding:24px 20px 10px}.hero-art{height:280px}.world-header{display:block;padding:20px 18px 4px}.worlds-grid,.mission-stages,.list-grid,.rail{grid-template-columns:1fr}.world-card{min-height:0}.answer-options{grid-template-columns:1fr}.answer-option{min-height:60px}.answer-input-row{flex-direction:column}.task-actions{flex-wrap:wrap}.task-actions .btn{flex:1 1 150px}.reward-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:1ms!important;transition-duration:1ms!important}}
/* Storyboard fidelity layer */
.sidebar{padding:14px 12px 12px}.brand{height:70px;padding:0 8px 12px}.brand img{width:100%;height:58px;object-fit:contain}.nav-icon{width:24px;height:24px;flex:0 0 24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.main-nav{gap:5px}.nav-link{min-height:47px;padding:9px 13px;border-radius:12px}.nav-link:nth-child(2) .nav-icon{color:#6b3df2}.nav-link:nth-child(3) .nav-icon{color:#f28a00}.nav-link:nth-child(4) .nav-icon{color:#345de8}.nav-link:nth-child(5) .nav-icon{color:#09a9c6}.nav-link:nth-child(6) .nav-icon{color:#21a847}.nav-link:nth-child(7) .nav-icon{color:#f26a0a}.nav-link:nth-child(8) .nav-icon{color:#ed315a}.nav-link[aria-current=page] .nav-icon{color:#3c2af0}.player-card{padding:11px;margin-top:auto}.avatar{width:52px;height:52px;padding:0;border:3px solid #d8ebff;background:#dff4ff;object-fit:cover}.player-xp-label{margin-top:8px;color:var(--ink-600);text-align:center;font-size:11px}.resource-row{padding:3px 3px 0;font-size:14px}.app-main{padding:8px}.mobile-link .nav-icon{width:22px;height:22px}.mobile-link span{font-size:11px}
.invitation-layout{display:grid;grid-template-columns:minmax(0,1fr) var(--rail-width);grid-template-rows:minmax(0,1fr) auto;gap:10px;min-height:calc(100vh - 16px)}.invitation-scene{position:relative;min-width:0;overflow:hidden}.invitation-copy{position:relative;z-index:2;width:48%;padding:24px 10px 18px 28px}.invitation-copy h1{margin:2px 0 20px;font:700 clamp(52px,5.2vw,82px)/.82 var(--font-adventure);color:#071443;transform:rotate(-1deg)}.invitation-copy h1 .highlight{display:block;color:#1477ff}.invitation-copy .lead{max-width:430px;margin-bottom:6px;color:#243660;font-size:17px}.mission-call{display:block;margin-bottom:14px;color:#7739ee;font-size:18px}.invitation-art{position:absolute;z-index:1;inset:0 0 0 36%;width:68%;height:100%;object-fit:cover;object-position:center}.trainer-callout{display:grid;grid-template-columns:58px 1fr;gap:10px;width:min(100%,390px);padding:10px 14px;border:1px solid #d9e3f3;border-radius:16px;background:rgba(255,255,255,.96);box-shadow:var(--shadow-sm)}.trainer-callout img{width:55px}.trainer-callout strong{color:var(--blue-700)}.trainer-callout p{margin:0;color:var(--ink-800);font-size:13px}.trainer-callout hr{margin:7px 0;border:0;border-top:1px solid var(--line)}.invitation-actions{display:flex;align-items:center;gap:14px;margin-top:13px}.btn-mission{min-width:280px;min-height:64px;border-radius:16px;font-size:25px}.btn-mission span{margin-left:auto;font-size:40px;line-height:0}.invitation-rail{display:grid;grid-template-rows:1fr 1.15fr;gap:10px}.reward-callout,.title-callout{padding:18px;overflow:hidden}.reward-callout>p{color:var(--ink-600)}.reward-callout-main{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;min-height:135px}.reward-callout-main strong{font:700 36px/1 var(--font-display)}.reward-callout-main strong span{display:block;color:#8d3df0;font-size:44px}.reward-callout-main img{width:140px}.reward-callout .progress-track{margin:10px 0}.title-callout{position:relative}.title-callout h2{position:relative;z-index:2;margin:10px 0 2px;font:700 clamp(34px,3vw,50px)/1 var(--font-adventure);transform:rotate(-3deg)}.title-callout img{width:180px;margin:0 auto -20px}.title-callout p{margin:0;color:var(--ink-600)}.mission-footer{grid-column:1/-1;min-height:40px;padding:9px 16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.9);color:var(--blue-700);text-align:center;font-size:13px;font-weight:700}
@media(max-width:1180px){.invitation-copy{width:52%;padding-left:22px}.invitation-copy h1{font-size:58px}.invitation-art{left:40%}.btn-mission{min-width:220px;font-size:20px}.invitation-actions{align-items:stretch;flex-direction:column}.invitation-actions .btn{width:100%}}
@media(max-width:900px){.invitation-layout{grid-template-columns:1fr}.invitation-scene{min-height:760px}.invitation-rail{grid-template-columns:1fr 1fr;grid-template-rows:auto}.mission-footer{grid-column:1}.invitation-copy{width:58%}.invitation-art{inset:0 0 0 38%;width:70%}}
@media(max-width:680px){.invitation-scene{display:flex;min-height:0;flex-direction:column}.invitation-copy{width:100%;padding:22px 18px 0}.invitation-copy h1{font-size:52px}.invitation-copy .lead{font-size:16px}.invitation-art{position:relative;inset:auto;width:100%;height:350px;order:2;object-fit:cover}.trainer-callout{width:100%}.invitation-actions{margin-bottom:12px}.invitation-rail{grid-template-columns:1fr}.btn-mission{min-height:58px}.reward-callout-main img{width:120px}}
.system-map{min-height:calc(100vh - 16px)}.system-map .world-header h1{font:700 clamp(42px,4vw,66px)/.9 var(--font-adventure);text-transform:uppercase}.system-map .worlds-grid{padding-top:8px}.system-map .world-card{min-height:390px}.system-map .world-art{min-height:145px}.system-map .world-art img{height:145px}.system-map .world-body h3{font:700 26px/1 var(--font-adventure);color:var(--blue-700)}.system-map .world-card[data-color=violet] h3{color:var(--violet-600)}.system-map .world-card[data-color=green] h3{color:var(--green-600)}.system-map .world-card[data-color=orange] h3{color:var(--orange-600)}.system-map .world-meta span{display:grid;grid-template-columns:105px 1fr;gap:5px}.system-map .world-meta b{color:var(--blue-700);font-size:12px}.system-loop{display:flex;align-items:center;justify-content:space-around;gap:8px;margin:0 16px 16px;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface-soft);color:var(--ink-600);font-size:13px}.system-loop strong{color:var(--blue-700);text-transform:uppercase}.system-loop b{color:var(--violet-600)}
.reference-hero{grid-template-columns:minmax(0,.78fr) minmax(400px,1.22fr)}.reference-hero .hero-copy{padding:26px 14px 26px 28px}.reference-hero .hero-copy h1{font:700 clamp(50px,5vw,76px)/.85 var(--font-adventure)}.reference-hero .hero-copy h1 span{display:block}.reference-hero .hero-art{height:390px;max-height:none;object-fit:cover}.stage-card{display:grid;grid-template-columns:42px 1fr;column-gap:12px;align-items:start}.stage-card-icon{grid-row:1/4;display:grid;width:42px;height:42px;place-items:center;border-radius:50%;background:var(--orange-100);font-size:26px}.stage-card h3,.stage-card p,.stage-card .stage-reward{grid-column:2;margin-bottom:5px}.stage-card .stage-index{position:absolute;top:8px;left:8px;width:27px;height:27px;font-size:14px}.stage-card .stage-reward{display:flex;justify-content:space-between;padding-top:8px;border-top:1px solid var(--line)}.mission-examples{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 18px}.mission-examples h3,.mission-examples p{margin-bottom:0}.mission-examples a{color:var(--blue-700);font-weight:700}.mission-reward-card{display:grid;grid-template-columns:1fr 120px;align-items:center}.mission-reward-card img{width:120px}.mission-title-card h2{font:700 43px/1 var(--font-adventure);transform:rotate(-3deg)}.mission-title-card img{width:150px;margin:-10px auto}.mission-location h1{font-family:var(--font-adventure);font-size:clamp(46px,5vw,70px)}.challenge-status{display:grid;grid-template-columns:auto minmax(80px,1fr) auto;align-items:center;gap:12px;max-width:820px;margin:0 auto 18px;padding:11px 16px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow-sm);font-size:13px}.challenge-status strong{color:var(--violet-600);font:700 22px var(--font-display)}.challenge-status-bar{height:12px;overflow:hidden;border-radius:20px;background:#e8edf7}.challenge-status-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#ffc329,#ff8f16)}
@media(max-width:1180px){.system-loop{flex-wrap:wrap}.reference-hero{grid-template-columns:1fr 1fr}.reference-hero .hero-art{height:350px}.system-map .world-meta span{grid-template-columns:1fr}.system-map .world-meta b{display:block}}
@media(max-width:680px){.system-loop{align-items:flex-start;flex-direction:column}.system-loop b{display:none}.reference-hero{grid-template-columns:1fr}.reference-hero .hero-art{height:310px}.mission-examples{align-items:flex-start;flex-direction:column}.challenge-status{grid-template-columns:1fr}.mission-reward-card{grid-template-columns:1fr 100px}.mission-reward-card img{width:100px}}
.reward-callout .btn{width:100%;margin-top:10px}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:14px}.practice-hero{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) 260px;align-items:center;padding:clamp(24px,4vw,48px)}.practice-hero h1,.practice-board h1,.practice-result h1{font-family:var(--font-display);font-size:clamp(38px,5vw,64px);line-height:1}.practice-hero img{width:230px;max-height:260px;justify-self:center}.practice-stats{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.practice-stats article{display:grid;min-height:150px;place-items:center;padding:20px;text-align:center}.practice-stats span{color:var(--blue-700);font-weight:700;text-transform:uppercase}.practice-stats strong{font:700 42px var(--font-display);color:var(--violet-600)}.practice-stats small{color:var(--ink-600)}.practice-board{padding:clamp(20px,3vw,34px)}.practice-board>header{display:flex;align-items:start;justify-content:space-between;gap:16px}.practice-board>.progress-track{margin:4px 0 24px}.practice-score{padding:8px 12px;border-radius:10px;background:var(--green-100);color:var(--green-600);white-space:nowrap}.practice-tip{align-self:start;padding:24px;text-align:center}.practice-tip img{width:170px;margin:0 auto 12px}.practice-result{display:grid;min-height:calc(100vh - 20px);place-items:center;padding:40px;text-align:center}.practice-result .lead{margin-inline:auto}.practice-result .button-row{justify-content:center}
@media(max-width:900px){.practice-layout{grid-template-columns:1fr}.practice-hero{grid-template-columns:1fr 190px}.practice-tip{display:grid;grid-template-columns:120px 1fr;align-items:center;text-align:left}.practice-tip img{grid-row:1/4;width:110px}}
@media(max-width:600px){.practice-hero{grid-template-columns:1fr}.practice-hero img{width:180px}.practice-stats{grid-template-columns:1fr}.practice-tip{grid-template-columns:90px 1fr}.practice-tip img{width:80px}}
@media(max-width:680px){.trainer-callout>*{min-width:0}.trainer-callout p{overflow-wrap:anywhere}}
/* Reusable task engine and mission themes */
.structured-answer{display:grid;gap:16px}.match-grid,.sort-grid{display:grid;gap:10px}.match-grid label,.sort-grid label{display:grid;grid-template-columns:minmax(70px,.5fr) auto minmax(150px,1fr);align-items:center;gap:12px;padding:10px 12px;border:2px solid var(--line);border-radius:14px;background:var(--surface-soft)}.match-grid select,.sort-grid select{min-width:0;min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-950);font-weight:700}.sort-grid label{grid-template-columns:28px 1fr}.visual-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.visual-option{display:grid;min-height:150px;place-items:center;gap:8px;padding:14px;border:2px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;color:var(--ink-800);font:700 18px var(--font-display);transition:var(--transition-fast)}.visual-option:hover,.visual-option.selected{border-color:var(--violet-600);background:var(--violet-100);transform:translateY(-2px)}.percent-ring{display:grid;width:88px;height:88px;place-items:center;border-radius:50%;background:conic-gradient(var(--violet-600) var(--fill),#e9eef8 0);box-shadow:inset 0 0 0 3px #fff,var(--shadow-sm)}.percent-ring i{width:49px;height:49px;border-radius:50%;background:#fff}.procedure-options{grid-template-columns:1fr}.procedure-options .answer-option{min-height:62px;padding:10px 16px;text-align:left;font-size:18px}.mission-theme-percentages .mission-board{background:linear-gradient(145deg,#fff 0%,#fbf9ff 55%,#effbff 100%)}.mission-theme-percentages .stage-step.done,.mission-theme-percentages .stage-step.active{background:linear-gradient(90deg,var(--violet-600),#27cce4)}.mission-theme-percentages .task-context{background:var(--violet-100);color:var(--violet-600)}.mission-theme-percentages .title-banner{border-color:#7be5f4;background:linear-gradient(135deg,#eefcff,#f3eaff)}.city-awake{position:relative;overflow:hidden}.city-awake::before{position:absolute;inset:0;content:"";pointer-events:none;background:radial-gradient(circle at 20% 20%,rgba(65,226,255,.18),transparent 22%),radial-gradient(circle at 82% 24%,rgba(255,195,38,.18),transparent 20%);animation:city-awake 1s ease-out both}.trainer-react{animation:trainer-react 3s ease-in-out infinite}.world-art img{width:100%;height:170px;object-fit:cover}.world-unlocked{animation:world-unlock .45s ease-out both}.world-curriculum{margin-bottom:3px;color:var(--ink-400);font-size:11px;font-weight:700;text-transform:uppercase}.available-badge{color:var(--green-600)}.completed-badge{color:var(--blue-700)}
@keyframes trainer-react{50%{transform:translateY(-3px) rotate(1deg)}}@keyframes world-unlock{from{opacity:.65;transform:scale(.98)}}@keyframes city-awake{from{opacity:0;transform:scale(.88)}}
@media(max-width:680px){.match-grid label{grid-template-columns:1fr auto 1.4fr}.visual-options{grid-template-columns:1fr}.visual-option{min-height:110px;grid-template-columns:90px 1fr}.percent-ring{width:72px;height:72px}.percent-ring i{width:40px;height:40px}.challenge-status{grid-template-columns:repeat(2,1fr)}}
/* Home storyboard: explicit grid, no visual overlap. */
@media(min-width:901px){
.invitation-layout{height:calc(100vh - 16px);min-height:620px;grid-template-columns:minmax(0,1fr) var(--rail-width);grid-template-rows:minmax(0,1fr) 34px}
.invitation-scene{display:grid;grid-template-columns:minmax(300px,42%) minmax(0,58%);min-height:0;background:#fff}
.invitation-copy{position:relative;width:auto;min-width:0;padding:18px 10px 16px 22px}
.invitation-copy h1{margin:0 0 8px;font-size:clamp(43px,4.3vw,62px);line-height:.91;transform:none}
.invitation-copy .lead{margin-bottom:4px;font-size:14px;line-height:1.35}
.mission-call{margin-bottom:9px;font-size:15px}
.trainer-callout{grid-template-columns:46px 1fr;gap:8px;width:100%;padding:8px 10px;border-radius:13px}
.trainer-callout img{width:44px}
.trainer-callout p{font-size:11px;line-height:1.3}
.trainer-callout hr{margin:5px 0}
.invitation-actions{display:grid;grid-template-columns:minmax(190px,1fr) auto;gap:8px;margin-top:9px}
.invitation-actions .btn{width:auto;min-width:0}
.btn-mission{min-height:50px;padding:8px 15px;font-size:19px}
.btn-mission span{font-size:28px}
.invitation-art{position:static;align-self:stretch;width:100%;height:100%;min-width:0;object-fit:cover;object-position:center}
.invitation-rail{min-height:0;grid-template-rows:minmax(0,1fr) minmax(0,1fr)}
.reward-callout,.title-callout{padding:13px}
.reward-callout>p{margin-bottom:5px;font-size:12px}
.reward-callout-main{grid-template-columns:1fr 1.05fr;min-height:88px}
.reward-callout-main strong{font-size:25px}
.reward-callout-main strong span{font-size:33px}
.reward-callout-main img{width:105px}
.reward-callout .progress-track{margin:5px 0}
.reward-callout .small{margin-bottom:5px;font-size:10px}
.reward-callout .btn{min-height:40px;margin-top:4px;padding:6px 8px;font-size:12px}
.title-callout h2{margin:5px 0 0;font-size:31px;transform:none;white-space:nowrap}
.title-callout img{width:120px;margin:-3px auto -8px}
.title-callout p{font-size:11px}
.mission-footer{min-height:34px;padding:7px 12px;font-size:11px}
}
/* Visual correction and Serbian typography stabilization */
html,body,button,input,select,textarea{font-family:var(--font-body),"Segoe UI",Arial,sans-serif;font-synthesis:none}
h1,h2,h3,.btn,.eyebrow,.rail-title,.stat-number,.streak,.task-prompt,.answer-option{font-family:var(--font-display),"Segoe UI",Arial,sans-serif;font-synthesis:none}
body{font-size:16px;line-height:1.5}.small{font-size:14px}.eyebrow,.rail-title{letter-spacing:0;text-transform:none}.lead{line-height:1.5}h1{font-size:var(--page-title);line-height:1.06}h2{font-size:var(--section-title);line-height:1.12}.btn{padding-inline:20px}
.scene-art{width:100%;height:100%;object-fit:contain;object-position:center;aspect-ratio:900/620}
.card-art{width:100%;height:100%;object-fit:cover;object-position:center;aspect-ratio:500/260}
.decorative-art{object-fit:contain;object-position:center}
@media(min-width:1181px){
.invitation-layout{height:auto;min-height:calc(100vh - 16px);grid-template-columns:minmax(0,1fr) clamp(240px,19vw,252px);grid-template-rows:minmax(680px,calc(100vh - 60px)) 34px}
.invitation-scene{grid-template-columns:minmax(360px,40%) minmax(500px,60%)}
.invitation-copy{padding:30px 20px 24px 30px}
.invitation-copy h1{max-width:11ch;margin:4px 0 16px;font-size:var(--hero-title);line-height:1.04}
.invitation-copy h1 .highlight{display:inline}
.invitation-copy .lead{max-width:43ch;margin-bottom:18px;font-size:16px;line-height:1.5}
.trainer-callout{grid-template-columns:58px 1fr;gap:12px;padding:12px 14px}
.trainer-callout img{width:58px;height:58px}.trainer-callout p{font-size:14px;line-height:1.45}
.invitation-actions{display:flex;align-items:stretch;gap:10px;margin-top:18px}.invitation-actions .btn{width:auto}.btn-mission{min-width:210px;min-height:54px;font-size:18px}
.invitation-art{position:static;width:100%;height:100%;padding:18px 12px 18px 0;object-fit:contain;object-position:center}
.invitation-rail{grid-template-rows:auto auto;align-content:start}.reward-callout,.title-callout{padding:16px}.reward-callout-main{min-height:102px}.reward-callout-main img{width:108px;height:88px}.reward-callout .small,.title-callout p{font-size:13px;line-height:1.4}.reward-callout .btn{font-size:14px}.title-callout h2{font-size:25px;white-space:normal}.title-callout img{width:98px;height:78px;margin:0 auto}.mission-footer{font-size:13px}
}
.system-map{max-width:1240px}.system-map .world-header{align-items:center;padding:26px 28px 16px}.system-map .world-header h1{max-width:none;font-size:var(--page-title);line-height:1.05;text-transform:none}.system-map .world-header .lead{max-width:62ch;font-size:17px}.map-guide{width:110px;height:110px;object-fit:contain}.system-map .worlds-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:16px 20px 22px}.system-map .world-card{display:grid;min-height:440px;grid-template-rows:46% 54%}.system-map .world-art{min-height:0;overflow:hidden}.system-map .world-art img{width:100%;height:100%;object-fit:cover;object-position:center}.system-map .world-body{padding:18px 20px}.system-map .world-body h3{margin-bottom:8px;font-size:27px;line-height:1.1;transform:none}.system-map .world-body>p:not(.world-curriculum){min-height:44px;margin-bottom:10px;font-size:15px;line-height:1.45}.world-curriculum{font-size:13px}.world-status{display:flex;justify-content:space-between;gap:12px;margin:4px 0 14px;padding:10px 0;border-block:1px solid var(--line);color:var(--ink-600);font-size:14px}.world-status span:first-child{color:var(--blue-700);font-weight:700}.system-loop{font-size:14px}
.mission-layout{grid-template-columns:minmax(0,1fr) minmax(220px,260px);align-items:start}.mission-board{min-height:calc(100vh - 16px);padding:18px 22px 28px}.mission-top{position:sticky;z-index:5;top:8px;margin:-2px -4px 12px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}.mission-location .eyebrow{margin-bottom:2px;font-size:13px}.mission-location h1{font-size:clamp(1.8rem,2.5vw,2.45rem);line-height:1.08}.mission-location .muted{margin-bottom:0;font-size:14px}.mission-counter{font-size:15px}.stage-progress{margin-bottom:12px}.challenge-status{max-width:none;margin:0 0 16px;grid-template-columns:repeat(4,minmax(0,1fr));font-size:14px}.challenge-status strong{font-size:19px}.task-card{max-width:920px;padding:clamp(24px,3vw,36px)}.task-prompt{font-size:clamp(1.5rem,2.7vw,2.15rem);line-height:1.22}.mission-ai-rail{min-width:0}.trainer-card{position:sticky;top:8px}.trainer-head{cursor:pointer;list-style:none}.trainer-head::-webkit-details-marker{display:none}.trainer-head::after{margin-left:auto;content:"−";font-size:22px}.trainer-card:not([open]) .trainer-head::after{content:"+"}.trainer-head>span{display:grid}.trainer-avatar{flex:0 0 auto}.hint-button{font-size:14px}
.reference-hero{grid-template-columns:minmax(360px,40%) minmax(480px,60%);min-height:430px}.reference-hero .hero-copy{padding:30px}.reference-hero .hero-copy h1{font-size:clamp(2.35rem,3.6vw,3.7rem);line-height:1.06}.reference-hero .hero-copy .lead{font-size:16px;line-height:1.5}.reference-hero .hero-art{align-self:stretch;width:100%;height:100%;max-height:450px;padding:16px;object-fit:contain;object-position:center}
.profile-page{width:min(100%,1120px)}.profile-summary{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:26px;padding:26px 30px}.profile-avatar{width:150px;height:150px;border-radius:24px}.profile-summary h1{margin-bottom:6px}.profile-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.profile-stats span{padding:9px 12px;border-radius:10px;background:var(--surface-soft);font-size:14px}.profile-stats strong{color:var(--blue-700);font-size:18px}.profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.profile-grid .feature-card{min-height:190px}.mastery-list{display:grid;gap:8px}.mastery-list div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);text-transform:capitalize}.mastery-list strong{color:var(--blue-700)}
.player-xp-label,.lock-badge,.mobile-link,.mobile-link span{font-size:13px}
@media(max-width:1180px) and (min-width:901px){
.invitation-layout{height:auto;grid-template-columns:1fr;grid-template-rows:auto auto 34px}.invitation-scene{min-height:570px;grid-template-columns:minmax(340px,42%) minmax(0,58%)}.invitation-copy{padding:26px 18px 22px 26px}.invitation-copy h1{font-size:clamp(2.5rem,5vw,3.55rem);line-height:1.05}.invitation-copy .lead{font-size:16px}.invitation-art{position:static;width:100%;height:100%;padding:12px;object-fit:contain}.invitation-rail{grid-template-columns:1fr 1fr;grid-template-rows:auto}.mission-footer{grid-column:1}.page-grid.mission-intro{grid-template-columns:1fr}.mission-intro>.rail{grid-template-columns:repeat(3,1fr)}.reference-hero{grid-template-columns:minmax(340px,42%) minmax(0,58%)}
}
@media(max-width:900px){.mission-layout{grid-template-columns:1fr}.mission-board{min-height:0}.mission-top{top:6px}.mission-ai-rail{display:block}.trainer-card{position:static}.system-map .worlds-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-page{padding-bottom:8px}}
@media(max-width:680px){body{font-size:16px}.invitation-copy h1{font-size:clamp(2.4rem,12vw,3.15rem);line-height:1.06}.invitation-copy .lead{font-size:16px}.invitation-art{height:auto;min-height:300px;aspect-ratio:900/620;object-fit:contain}.reward-callout,.title-callout{padding:16px}.system-map .worlds-grid{grid-template-columns:1fr;padding:12px}.system-map .world-card{min-height:430px}.system-map .world-header h1{font-size:2.35rem}.world-status{align-items:flex-start;flex-direction:column}.mission-top{align-items:flex-start}.mission-location h1{font-size:1.85rem}.challenge-status{grid-template-columns:repeat(2,1fr)}.task-card{padding:22px 18px}.task-prompt{font-size:1.55rem}.profile-summary{grid-template-columns:90px 1fr;padding:20px}.profile-avatar{width:90px;height:90px}.profile-grid{grid-template-columns:1fr}.profile-stats{display:grid;grid-template-columns:1fr}.profile-grid .feature-card{min-height:0}}
/* Mission invitation: playful display type and stable mobile artwork. */
.reference-hero{position:relative;background:#f7fbff;background-image:linear-gradient(135deg,rgba(255,255,255,.98),rgba(232,246,255,.9))}
.reference-hero::before{position:absolute;inset:0;content:"";pointer-events:none;background-image:linear-gradient(115deg,transparent 68%,rgba(255,196,41,.18) 68% 70%,transparent 70%),linear-gradient(25deg,transparent 78%,rgba(119,57,238,.12) 78% 80%,transparent 80%)}
.reference-hero .hero-copy,.reference-hero .hero-art{position:relative;z-index:1}
.reference-hero .hero-copy h1{letter-spacing:0}
.reference-hero .hero-art{animation:mission-float 4.5s ease-in-out infinite;filter:drop-shadow(0 18px 24px rgba(40,74,150,.14))}
.stage-card{position:relative;overflow:hidden;border-top:4px solid var(--blue-500)}
.stage-card:nth-child(2){border-top-color:var(--violet-600)}.stage-card:nth-child(3){border-top-color:var(--orange-600)}
.stage-card .stage-index{display:none}
.stage-card-icon{color:var(--ink-950);font-family:"Segoe UI Emoji","Apple Color Emoji",sans-serif;font-size:24px;box-shadow:inset 0 0 0 2px rgba(242,106,10,.08)}
.stage-card h3{font-size:21px;line-height:1.1}.stage-card p{font-size:14px;line-height:1.4}
.mission-title-card{overflow:hidden;text-align:center}.mission-title-card h2{margin:4px 0 10px;font-size:clamp(2rem,3vw,2.55rem);line-height:1;transform:none;overflow-wrap:anywhere}
.mission-title-card img{display:none}.mission-title-card::after{display:grid;width:88px;height:88px;margin:8px auto 12px;place-items:center;border:5px solid #fff3a8;border-radius:50%;content:"♛";background:linear-gradient(145deg,#ffd63d,#ff9d17);color:#5b2ccf;font:800 44px/1 var(--font-display);box-shadow:0 10px 22px rgba(255,157,23,.24)}
.mission-title-card .muted{margin-bottom:0;font-size:14px}
@keyframes mission-float{0%,100%{transform:translateY(0) rotate(-.4deg)}50%{transform:translateY(-7px) rotate(.5deg)}}
@media(max-width:680px){
.reference-hero{grid-template-columns:1fr;min-height:0}
.reference-hero .hero-copy{padding:24px 22px 8px}
.reference-hero .hero-copy h1{max-width:10ch;font-size:clamp(2.35rem,12vw,3rem);line-height:.94}
.reference-hero .hero-copy .lead{font-size:16px;line-height:1.48}
.reference-hero .hero-art{align-self:center;width:100%;height:auto;min-height:230px;max-height:none;padding:0 10px 14px;aspect-ratio:900/620;object-fit:contain;object-position:center}
.mission-stages{gap:10px}.stage-card{min-height:118px;padding:18px 16px}.stage-card-icon{width:48px;height:48px;font-size:27px}.stage-card h3{font-size:20px}.stage-card .stage-reward{font-size:14px}
.mission-title-card{min-height:220px;padding:18px}.mission-title-card::after{width:82px;height:82px;font-size:40px}
}
@media(prefers-reduced-motion:reduce){.reference-hero .hero-art{animation:none}}
/* Complete mobile navigation and unclipped world cards. */
.mobile-more{min-width:0}.mobile-more>summary{list-style:none}.mobile-more>summary::-webkit-details-marker{display:none}.mobile-more-panel{display:none}
@media(max-width:900px){
.mobile-more{display:block}.mobile-more[open] .mobile-link{background:var(--yellow-100);color:var(--ink-950)}
.mobile-more-panel{position:fixed;z-index:40;right:8px;bottom:76px;left:8px;display:grid;max-height:calc(100vh - 96px);gap:14px;overflow:auto;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 18px 52px rgba(8,23,73,.24)}
.mobile-player{display:grid;grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:11px;padding:12px;border-radius:14px;background:var(--surface-blue)}
.mobile-player .avatar{width:56px;height:56px}.mobile-player div{display:grid;min-width:0}.mobile-player strong{font:700 18px/1.1 var(--font-display)}.mobile-player span{color:var(--violet-600);font-weight:700}.mobile-player small{margin-top:3px;color:var(--ink-600);font-size:12px}.mobile-player>a{color:var(--blue-700);font-weight:800}
.mobile-extra-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mobile-extra-link{display:flex;min-height:48px;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft);font-weight:800}.mobile-extra-link[aria-current=page]{border-color:#f3c531;background:var(--yellow-100)}.mobile-extra-link .nav-icon{width:22px;height:22px;color:var(--blue-700)}
.mobile-reset{min-height:44px;border:1px solid #ffc8d0;border-radius:12px;background:var(--red-100);color:var(--red-600);font-weight:800}
}
@media(max-width:680px){
.system-map .world-card{display:flex;min-height:0;grid-template-rows:none}
.system-map .world-art{flex:0 0 210px}.system-map .world-body{flex:1;padding-bottom:18px}.system-map .world-body .btn{flex:0 0 auto;min-height:50px}
}