:root{--blue-950:#071a45;--blue-900:#08285f;--blue-800:#0b3d91;--blue-600:#1464f4;--blue-500:#2484ff;--cyan-400:#27d7ff;--cyan-200:#9aefff;--yellow-400:#ffd447;--orange-500:#ff8a2a;--green-400:#55e889;--red-500:#ff4d6d;--surface:#f5fbff;--surface-2:#eaf7ff;--white:#fff;--ink:#08224c;--muted:#55708f;--border:#c9e3f4;--shadow-sm:0 6px 18px #071a451f;--shadow-md:0 16px 40px #071a452e;--shadow-blue:0 14px 32px #1464f447;--radius-sm:12px;--radius-md:20px;--radius-lg:30px;--font:"Noto Sans Thai", system-ui, sans-serif}*{box-sizing:border-box}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:var(--surface);scroll-behavior:smooth}body{min-width:320px;min-height:100vh;font-family:var(--font);color:var(--ink);background:var(--surface);margin:0;font-size:16px;line-height:1.55}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid var(--yellow-400);outline-offset:3px}.skip-link{z-index:9999;background:#fff;border-radius:10px;padding:12px 18px;font-weight:800;position:fixed;top:-80px;left:16px}.skip-link:focus{top:12px}.loading-screen{min-height:60vh;color:var(--blue-800);place-items:center;font-weight:800;display:grid}.speed-button{border:0;border-radius:15px 22px;justify-content:center;align-items:center;gap:8px;min-height:54px;padding:13px 27px;font-size:17px;font-weight:900;transition:transform .18s,box-shadow .18s,filter .18s;display:inline-flex;position:relative;overflow:hidden}.speed-button:before{content:"";background:#ffffff54;width:24%;transition:left .35s;position:absolute;inset:0 auto 0 -25%;transform:skew(-18deg)}.speed-button:hover:not(:disabled):before{left:115%}.speed-button:hover:not(:disabled){transform:translateY(-2px)}.speed-button--yellow{color:var(--blue-950);background:linear-gradient(180deg, #ffe66f, var(--yellow-400));box-shadow:0 5px 0 #d69d0a, var(--shadow-blue);border:2px solid #fff}.speed-button--blue{color:#fff;background:var(--blue-600);box-shadow:0 5px 0 var(--blue-800), var(--shadow-blue)}.speed-button--ghost{color:var(--blue-800);border:2px solid var(--border);box-shadow:var(--shadow-sm);background:#fff}.speed-button:disabled{filter:grayscale(.55);opacity:.55;box-shadow:none}.icon-button{color:#fff;background:#ffffff14;border:1px solid #ffffff38;border-radius:12px;place-items:center;width:44px;height:44px;display:grid}.text-button{color:var(--blue-800);background:0 0;border:0;align-items:center;gap:4px;min-height:44px;padding:12px;font-weight:800;display:inline-flex}.app-shell{min-height:100vh}.topbar{background:var(--blue-950);color:#fff;z-index:50;border-bottom:3px solid var(--blue-600);align-items:center;gap:clamp(18px,3vw,46px);min-height:76px;padding:10px clamp(16px,3vw,48px);display:flex;position:relative;box-shadow:0 8px 24px #071a4540}.brand{white-space:nowrap;letter-spacing:-.4px;align-items:center;gap:11px;font-size:22px;font-style:italic;font-weight:900;display:inline-flex}.brand em{color:var(--cyan-400);font-style:italic}.brand-mark{border:2px solid var(--cyan-400);width:45px;height:45px;color:var(--yellow-400);background:var(--blue-800);border-radius:14px 9px;place-items:center;display:grid;box-shadow:0 0 18px #27d7ff47}.main-nav{flex:1;align-items:center;gap:7px;display:flex}.main-nav a{color:#c9e7ff;border-radius:11px;align-items:center;gap:7px;min-height:44px;padding:10px 14px;font-size:14px;font-weight:700;display:flex}.main-nav a:hover,.main-nav a.active{color:#fff;background:#27d7ff1f}.hud-stats{align-items:center;gap:8px;display:flex}.hud-stats>span{background:#ffffff0f;border:1px solid #ffffff26;border-radius:12px;align-items:center;gap:6px;min-height:44px;padding:8px 11px;font-weight:800;display:flex}.hud-stats svg{color:var(--cyan-400)}.hud-stats span:nth-child(2) svg{color:var(--yellow-400)}.hud-label{color:#9fc4e7;font-size:11px;font-weight:600}.main-content{min-height:calc(100vh - 76px)}.mobile-nav{display:none}.landing{background:radial-gradient(circle at 72% 40%,#27d7ff2e,#0000 30%),linear-gradient(135deg,#f9fdff 0%,#dff5ff 50%,#f5fbff 100%);min-height:100vh;position:relative;overflow:hidden}.landing:before{content:"";border:50px solid #1464f40f;border-radius:50%;width:50vw;height:50vw;position:absolute;top:8vh;right:-12vw}.landing-nav{z-index:3;justify-content:space-between;align-items:center;max-width:1380px;height:86px;margin:0 auto;padding:18px clamp(22px,5vw,70px);display:flex;position:relative}.brand--landing{color:var(--blue-950)}.parent-link{color:var(--blue-800);background:0 0;border:0;min-height:44px;padding:8px 12px;font-weight:700}.landing-hero{z-index:2;grid-template-columns:.92fr 1.08fr;align-items:center;gap:30px;max-width:1380px;min-height:calc(100vh - 126px);margin:0 auto;padding:clamp(30px,6vw,90px) clamp(22px,5vw,70px) 70px;display:grid;position:relative}.hero-copy h1{letter-spacing:-3px;color:var(--blue-950);margin:0;font-size:clamp(52px,6vw,88px);font-weight:900;line-height:.99}.hero-copy h1 span{color:var(--blue-600);position:relative}.hero-copy h1 span:after{content:"";background:var(--yellow-400);z-index:-1;border-radius:20px;height:9px;position:absolute;bottom:1px;left:4px;right:-14px;transform:skew(-18deg)}.hero-copy>p{color:#355c83;max-width:600px;margin:27px 0 24px;font-size:clamp(18px,1.7vw,22px);line-height:1.7}.hero-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.return-progress{width:-moz-fit-content;width:fit-content;color:var(--blue-800);box-shadow:var(--shadow-sm);background:#fff;border-radius:14px;align-items:center;gap:8px;margin-top:24px;padding:10px 16px;font-weight:700;display:flex}.return-progress svg{color:var(--orange-500)}.hero-proof{color:var(--muted);flex-wrap:wrap;gap:22px;margin-top:35px;font-size:14px;font-weight:700;display:flex}.hero-proof span{align-items:center;gap:8px;display:flex}.hero-proof svg{width:22px;color:var(--blue-600)}.hero-visual{place-items:center;min-height:650px;display:grid;position:relative}.hero-visual:before{content:"";aspect-ratio:1;background:radial-gradient(circle,#fff 0%,#c8f3ff 48%,#27d7ff0d 69%,#0000 70%);border-radius:50%;width:76%;position:absolute;box-shadow:inset 0 0 0 2px #27d7ff33}.hero-visual img{object-fit:contain;z-index:2;filter:drop-shadow(0 28px 28px #071a453d);mix-blend-mode:multiply;width:min(78%,570px);max-height:690px;position:relative}.orbit{aspect-ratio:1;border:2px dashed #1464f42e;border-radius:50%;width:85%;animation:28s linear infinite spin;position:absolute}.orbit-two{width:62%;animation-duration:18s;animation-direction:reverse}.floating-token{z-index:3;width:69px;height:69px;color:var(--blue-800);border:2px solid var(--cyan-200);box-shadow:var(--shadow-blue);background:#fff;border-radius:21px 15px;place-items:center;font-size:21px;font-weight:900;display:grid;position:absolute}.token-a{top:23%;left:5%;transform:rotate(-8deg)}.token-b{color:var(--orange-500);top:32%;right:3%;transform:rotate(8deg)}.token-c{bottom:13%;right:12%}.landing-track{background:var(--blue-950);border-top:5px solid var(--cyan-400);height:45px;position:absolute;bottom:0;left:-5%;right:-5%;overflow:hidden;transform:rotate(-1deg)}.landing-track span{background:var(--yellow-400);width:140px;height:7px;box-shadow:200px 0 var(--yellow-400), 400px 0 var(--yellow-400), 600px 0 var(--yellow-400), 800px 0 var(--yellow-400);margin:14px 0 0 20%;display:block;transform:skew(-30deg)}@keyframes spin{to{transform:rotate(360deg)}}.profile-page{background:linear-gradient(135deg, var(--blue-950) 0 32%, #0a7bdd 32% 35%, var(--surface) 35%);place-items:center;min-height:100vh;padding:30px;display:grid}.profile-panel{background:#fff;border:4px solid #fff;border-radius:34px;grid-template-columns:.85fr 1.15fr;width:min(950px,100%);min-height:650px;display:grid;overflow:hidden;box-shadow:0 30px 80px #071a4552}.profile-mascot{background:radial-gradient(circle at 55% 38%,#dff9ff,#78dcf7 55%,#1464f4);place-items:end center;display:grid;overflow:hidden}.profile-mascot img{object-fit:contain;object-position:bottom;mix-blend-mode:multiply;filter:drop-shadow(0 18px 25px #071a4533);width:108%;height:93%}.profile-panel form{flex-direction:column;justify-content:center;padding:clamp(34px,5vw,65px);display:flex}.section-icon{color:var(--orange-500);margin-bottom:12px}.profile-panel h1{color:var(--blue-950);margin:0;font-size:clamp(30px,4vw,44px);line-height:1.2}.profile-panel form>p{color:var(--muted);margin:8px 0 28px}.profile-panel label{color:var(--blue-800);gap:7px;margin-bottom:18px;font-size:14px;font-weight:800;display:grid}.profile-panel input,.profile-panel select{border:2px solid var(--border);width:100%;min-height:50px;color:var(--ink);background:#f9fdff;border-radius:12px;padding:10px 14px;font-size:16px}.profile-panel input:focus,.profile-panel select:focus{border-color:var(--blue-600);outline:none;box-shadow:0 0 0 4px #1464f41f}.optional{color:var(--muted);font-weight:500}.input-with-icon{position:relative}.input-with-icon svg{width:20px;color:var(--blue-600);position:absolute;top:14px;left:14px}.input-with-icon input{padding-left:44px}.field-error{color:#bd1f43;margin:-12px 0 12px;font-size:13px}.profile-panel .speed-button{width:100%;margin-top:8px}.map-page{background:var(--blue-950);min-height:calc(100vh - 76px);padding:18px clamp(14px,2.4vw,38px) 26px}.map-heading{color:#fff;justify-content:space-between;align-items:center;max-width:1500px;margin:0 auto 14px;display:flex}.map-heading p{color:var(--cyan-200);margin:0;font-size:13px}.map-heading h1{margin:0;font-size:clamp(25px,3vw,37px);line-height:1.2}.map-quick-actions{gap:9px;display:flex}.map-quick-actions button{min-height:46px;color:var(--blue-950);background:var(--yellow-400);border:1px solid #ffffff40;border-radius:12px;align-items:center;gap:8px;padding:8px 15px;font-weight:900;display:flex;box-shadow:0 4px #bb8000}.map-quick-actions button:last-child{background:var(--blue-600);color:#fff;box-shadow:0 4px #062a6e}.map-quick-actions button span{background:#071a451f;border-radius:6px;padding:2px 5px;font-size:11px}.world-map{background:#0a63af;border:3px solid #1b86e7;border-radius:25px 25px 10px 10px;max-width:1500px;height:min(65vw,760px);min-height:580px;margin:0 auto;position:relative;overflow:hidden;box-shadow:inset 0 0 0 4px #ffffff1f,0 18px 45px #00000052}.map-art{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.map-vignette{pointer-events:none;background:linear-gradient(#071a4514,#0000 55%,#071a4547);position:absolute;inset:0}.mission-node{z-index:3;color:#fff;background:linear-gradient(#2484ff,#0b3d91);border:3px solid #fff;border-radius:18px 14px;place-items:center;width:clamp(38px,4.2vw,62px);height:clamp(38px,4.2vw,62px);font-size:clamp(15px,1.8vw,23px);font-weight:900;display:grid;position:absolute;transform:translate(-50%,-50%);box-shadow:0 4px #061e4d,0 0 0 3px #27d7ff73,0 8px 18px #071a4573}.mission-node--completed{background:linear-gradient(#2d8dff,#0b3d91)}.mission-node--available{color:var(--blue-950);background:linear-gradient(180deg, #ffe98a, var(--orange-500));box-shadow:0 4px #9b4603,0 0 0 4px #ffd4478c,0 9px 22px #071a4573}.mission-node--locked{color:#d2deea;opacity:.86;background:#40536d;border-color:#b8c4d2;box-shadow:0 4px #1e2d41}.mission-node.selected{animation:1.6s ease-in-out infinite node-pulse}.red-alert{background:var(--red-500);color:#fff;border:2px solid #fff;border-radius:50%;place-items:center;width:23px;height:23px;font-size:11px;display:grid;position:absolute;top:-10px;right:-10px}.node-stars{color:var(--yellow-400);filter:drop-shadow(0 2px 2px #071a45e6);display:flex;position:absolute;top:calc(100% + 6px)}@keyframes node-pulse{50%{box-shadow:0 4px #9b4603,0 0 0 9px #ffd44740,0 9px 25px #071a458c}}.mission-dock{background:linear-gradient(#fff,#e7f5ff);border:3px solid #1b86e7;border-top:0;border-radius:0 0 25px 25px;grid-template-columns:auto minmax(250px,1fr) minmax(180px,.45fr) auto;align-items:center;gap:20px;max-width:1440px;min-height:120px;margin:-2px auto 0;padding:16px 24px;display:grid;box-shadow:0 16px 34px #00000040}.dock-index{background:var(--blue-950);color:#fff;border:3px solid var(--cyan-400);border-radius:20px 14px;align-content:center;place-items:center;width:75px;height:75px;display:grid;transform:skew(-4deg)}.dock-index span{color:#fff;font-size:11px;font-weight:700}.dock-index strong{color:var(--yellow-400);font-size:32px;line-height:1}.dock-copy p,.dock-copy h2,.dock-copy span{margin:0}.dock-copy p{color:var(--orange-500);font-size:12px;font-weight:800}.dock-copy h2{font-size:clamp(20px,2.3vw,30px);line-height:1.25}.dock-copy span{color:var(--muted);font-size:14px}.dock-progress{color:var(--muted);grid-template-columns:1fr auto;gap:3px 10px;font-size:12px;display:grid}.dock-progress b{color:var(--blue-800)}.mini-progress{background:#cde2ee;border-radius:10px;grid-column:1/-1;height:9px;overflow:hidden}.mini-progress i{border-radius:inherit;background:linear-gradient(90deg, var(--blue-600), var(--cyan-400));height:100%;display:block}.mission-content{background:linear-gradient(180deg, #dff7ff, var(--surface))}.mission-page{max-width:1540px;min-height:calc(100vh - 76px);margin:0 auto;padding:16px clamp(14px,2.8vw,42px) 48px}.mission-titlebar{background:var(--blue-950);color:#fff;border:2px solid var(--blue-600);min-height:66px;box-shadow:var(--shadow-md);border-radius:18px 14px;grid-template-columns:150px 1fr 150px;align-items:center;padding:8px 14px;display:grid}.mission-titlebar>div:nth-child(2){align-items:baseline;gap:10px;display:flex}.mission-titlebar h1,.mission-titlebar span{margin:0}.mission-titlebar h1{font-size:clamp(20px,2.5vw,31px)}.mission-titlebar>div:nth-child(2)>span{color:var(--yellow-400);font-weight:900}.back-button{color:#fff;background:#ffffff17;border:0;border-radius:11px;justify-self:start;align-items:center;gap:6px;min-height:44px;padding:7px 12px;font-weight:700;display:flex}.mission-energy{background:var(--blue-800);border-radius:10px;justify-self:end;padding:7px 12px;font-weight:900}.mission-energy span{color:var(--yellow-400)}.progress-rail{align-items:flex-start;max-width:1000px;margin:20px auto 25px;padding:0;list-style:none;display:flex;position:relative}.progress-rail:before{content:"";background:#a9c7da;border-radius:5px;height:6px;position:absolute;top:25px;left:8%;right:8%;box-shadow:inset 0 2px 3px #071a4526}.progress-rail li{z-index:1;color:var(--muted);flex:1;justify-items:center;gap:4px;font-size:13px;font-weight:800;display:grid;position:relative}.progress-icon{border:3px solid var(--surface);color:#fff;background:#8ca7bb;border-radius:18px 14px;place-items:center;width:55px;height:55px;display:grid;box-shadow:0 0 0 2px #8ca7bb}.progress-rail li.done .progress-icon{background:var(--blue-600);box-shadow:0 0 0 2px var(--blue-600)}.progress-rail li.active{color:var(--blue-950)}.progress-rail li.active .progress-icon{color:var(--blue-950);background:var(--yellow-400);box-shadow:0 0 0 3px var(--orange-500), 0 7px 18px #ff8a2a52;transform:scale(1.08)}.briefing-stage{border-radius:var(--radius-lg);min-height:590px;box-shadow:var(--shadow-md);background:radial-gradient(circle at 80% 20%,#27d7ff40,#0000 25%),linear-gradient(135deg,#fff 0 48%,#bdeeff 48% 100%);border:2px solid #fff;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.briefing-copy{z-index:2;align-self:center;padding:clamp(35px,5vw,75px);position:relative}.mission-kicker{color:var(--orange-500);margin:0;font-weight:900}.briefing-copy h2{color:var(--blue-950);letter-spacing:-1.8px;margin:5px 0 18px;font-size:clamp(38px,4.6vw,66px);line-height:1.08}.briefing-copy>p:not(.mission-kicker){color:#3f6385;max-width:590px;font-size:18px}.objective-list{gap:10px;margin:25px 0 30px;padding:0;list-style:none;display:grid}.objective-list li{align-items:center;gap:9px;font-weight:700;display:flex}.objective-list svg{color:#fff;background:var(--green-400);border-radius:50%;padding:3px}.briefing-scene{background:linear-gradient(#0000,#1464f42e);place-items:end center;min-height:590px;display:grid;position:relative;overflow:hidden}.briefing-scene:before{content:"";background:#df9b54;border-radius:50% 50% 0 0;height:52%;position:absolute;bottom:-18%;left:2%;right:-15%;box-shadow:inset 0 15px #ffd44747}.briefing-scene img{object-fit:contain;object-position:bottom;z-index:2;mix-blend-mode:multiply;filter:drop-shadow(0 24px 25px #071a4538);width:80%;height:91%;position:relative}.speech-bubble{z-index:3;width:235px;color:var(--blue-800);box-shadow:var(--shadow-md);background:#fff;border-radius:20px 20px 6px;padding:15px 18px;font-weight:800;position:absolute;top:8%;right:3%}.crystal-orb{width:92px;height:92px;box-shadow:0 0 35px var(--cyan-400);background:#fffc;border-radius:50%;place-items:center;font-size:45px;display:grid;position:absolute;top:15%;left:7%}.lesson-stage{grid-template-columns:230px 1fr;gap:18px;display:grid}.lesson-sidebar{border-radius:var(--radius-md);background:var(--blue-950);color:#c7e8ff;box-shadow:var(--shadow-md);align-self:start;gap:14px;padding:22px;font-size:13px;display:grid}.lesson-sidebar b{color:var(--yellow-400);font-size:15px}.knowledge-card-mini{color:#fff;background:#ffffff14;border-radius:13px;gap:8px;margin-top:12px;padding:15px;display:grid}.knowledge-card-mini svg{color:var(--yellow-400)}.lesson-canvas{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);background:#fff;padding:clamp(25px,4vw,50px)}.lesson-canvas header span{color:var(--blue-600);font-size:13px;font-weight:900}.lesson-canvas h2{margin:3px 0 25px;font-size:clamp(26px,3vw,42px);line-height:1.2}.soil-lesson-visual{grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:20px;display:grid}.soil-grain{background:#fff5de;border:2px solid #edc875;border-radius:22px 16px;flex-wrap:wrap;place-content:center;gap:8px;min-height:175px;padding:20px 14px;display:flex}.soil-grain.loam{background:#f2e3d3;border-color:#b8885b}.soil-grain.clay{background:#fde2d6;border-color:#dc8d6d}.soil-grain i{background:#d8b578;border-radius:50%;width:34px;height:30px;display:block;box-shadow:inset -4px -3px #7c532433}.soil-grain.loam i{background:#8a5b39;width:25px;height:23px}.soil-grain.loam i:nth-child(2n){width:15px;height:14px}.soil-grain.clay i{background:#b95f42;width:19px;height:18px;margin:-2px}.soil-grain span{text-align:center;flex-basis:100%;font-weight:900}.soil-grain small{color:var(--muted);font-weight:600;display:block}.key-equation{border:2px solid var(--cyan-200);background:#e9f9ff;border-radius:18px;align-items:center;gap:15px;padding:18px;display:flex}.key-equation svg{color:var(--blue-600);width:34px;height:34px}.key-equation div{display:grid}.key-equation span{color:var(--blue-600);font-size:12px;font-weight:900}.key-equation strong{font-size:clamp(17px,2.1vw,25px)}.inline-check{border:0;margin:24px 0 10px;padding:0}.inline-check legend{margin-bottom:12px;font-weight:900}.inline-check button{border:2px solid var(--border);min-height:46px;color:var(--ink);background:#fff;border-radius:12px;margin:0 8px 8px 0;padding:9px 16px;font-weight:700}.inline-check button.selected{border-color:var(--blue-600);background:#eaf3ff}.inline-feedback{border-radius:12px;padding:12px 15px;font-weight:700}.inline-feedback.correct{color:#0a6838;background:#dffbed}.inline-feedback.try-again{color:#9d4912;background:#fff0d8}.lesson-actions{justify-content:flex-end;margin-top:20px;display:flex}.simulation-stage{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:18px;display:grid}.simulation-main{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:#fff;border:2px solid #fff;min-width:0;padding:clamp(20px,3vw,36px)}.simulation-heading{justify-content:space-between;align-items:center;gap:15px;display:flex}.simulation-heading span{color:var(--blue-600);font-size:12px;font-weight:900}.simulation-heading h2{margin:2px 0 0;font-size:clamp(23px,3vw,36px);line-height:1.25}.water-setting{border:2px solid var(--cyan-200);color:var(--blue-800);background:#edfbff;border-radius:13px;flex:none;align-items:center;gap:7px;padding:10px 14px;font-weight:900;display:flex}.experiment-art{background:var(--surface);border-radius:20px;place-items:center;min-height:280px;margin:16px 0 0;display:grid;overflow:hidden}.experiment-art img{object-fit:contain;mix-blend-mode:multiply;width:100%;max-height:390px}.soil-labels{text-align:center;color:var(--blue-800);grid-template-columns:repeat(3,1fr);gap:8px;margin-top:-8px;font-weight:900;display:grid}.simulation-meters{grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 20px;display:grid}.simulation-meters>div{background:var(--surface);color:var(--muted);border-radius:12px;grid-template-columns:1fr auto;gap:4px 10px;padding:10px;font-size:12px;display:grid}.simulation-meters b{color:var(--blue-800)}.simulation-meters i{background:#cfe6f0;border-radius:8px;grid-column:1/-1;height:7px;overflow:hidden}.simulation-meters em{background:linear-gradient(90deg, var(--blue-600), var(--cyan-400));border-radius:inherit;height:100%;display:block}.prediction-panel{border:2px solid var(--border);background:#f7fcff;border-radius:18px;grid-template-columns:1fr auto;align-items:center;gap:4px 18px;padding:18px;display:grid}.prediction-panel>span{color:var(--muted);font-size:13px}.prediction-panel>div{grid-row:span 2;gap:8px;display:flex}.prediction-panel>div button{border:2px solid var(--border);min-height:44px;color:var(--ink);background:#fff;border-radius:11px;padding:8px 15px;font-weight:800}.prediction-panel>div button.selected{color:var(--blue-800);border-color:var(--blue-600);background:#eaf3ff}.prediction-panel .speed-button{grid-area:1/2/span 2;min-width:155px}.simulation-result{background:#e2fbef;border:2px solid #a1e9c1;border-radius:18px;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:16px;display:grid}.simulation-result>svg{color:#149255;width:36px;height:36px}.simulation-result div{display:grid}.simulation-result span{color:#396951;font-size:13px}.evidence-notebook{box-shadow:var(--shadow-md);background:#fffcf3;border:2px solid #a8c7e0;border-radius:10px 24px 24px 10px;padding:25px 20px 25px 35px;position:relative}.evidence-notebook:before{content:"";background:repeating-linear-gradient(#94abc0 0 5px,#0000 5px 18px);border-radius:6px;width:7px;position:absolute;top:15px;bottom:15px;left:9px}.evidence-notebook h3{background:var(--blue-600);color:#fff;text-align:center;border-radius:10px;margin:0 -5px 12px;padding:8px;font-size:24px}.evidence-notebook>p{text-align:center;font-weight:800}.evidence-notebook ul{gap:10px;padding:0;list-style:none;display:grid}.evidence-notebook li{border:1px solid var(--border);background:#fff;border-radius:11px;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;min-height:50px;padding:9px;display:grid}.evidence-notebook li svg{color:#15965a}.notebook-note{color:var(--blue-800);border-top:1px dashed #9fb9ca;padding-top:15px;font-size:14px}.quiz-stage{max-width:1220px;margin:0 auto}.quiz-topline{color:var(--muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:15px;font-size:13px;display:grid}.quiz-topline>span{color:var(--blue-600);font-weight:900}.quiz-topline>button{border:1px solid var(--border);min-height:44px;color:var(--muted);background:#fff;border-radius:10px;justify-self:end;align-items:center;gap:6px;padding:8px 12px;display:flex}.quiz-topline>button.flagged{color:#a73e15;border-color:var(--orange-500);background:#fff1d8}.quiz-progress{background:#cce1ed;border-radius:8px;height:8px;margin:9px 0 18px;overflow:hidden}.quiz-progress i{background:linear-gradient(90deg, var(--blue-600), var(--cyan-400));height:100%;transition:width .3s;display:block}.quiz-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;display:grid}.question-panel,.feedback-panel,.quiz-guide{border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff}.question-panel{padding:clamp(25px,4vw,48px)}.question-skill{color:var(--blue-800);background:#e8f4ff;border-radius:9px;padding:5px 9px;font-size:12px;font-weight:800;display:inline-block}.question-panel h2{margin:15px 0 25px;font-size:clamp(23px,2.7vw,34px);line-height:1.45}.answer-list{gap:10px;margin-bottom:22px;display:grid}.answer-list button{text-align:left;border:2px solid var(--border);width:100%;min-height:58px;color:var(--ink);background:#fff;border-radius:14px;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;padding:11px 15px;font-size:17px;font-weight:700;display:grid}.answer-list button>span{background:var(--surface-2);width:34px;height:34px;color:var(--blue-800);border-radius:10px;place-items:center;font-weight:900;display:grid}.answer-list button.selected{border-color:var(--blue-600);background:#edf5ff;box-shadow:0 0 0 3px #1464f41a}.answer-list button.correct{color:#075d33;background:#e3fbed;border-color:#23a864}.answer-list button.incorrect{border-color:var(--red-500);color:#8c1c36;background:#fff0f3}.quiz-guide{position:sticky;top:95px;overflow:hidden}.quiz-guide img{object-fit:contain;object-position:top center;mix-blend-mode:multiply;background:#e9f9ff;width:100%;height:300px}.quiz-guide div{color:var(--blue-800);gap:10px;padding:18px;font-weight:700;display:flex}.feedback-panel{padding:24px;position:sticky;top:95px}.feedback-panel.correct{border-top:7px solid var(--green-400)}.feedback-panel.encourage{border-top:7px solid var(--yellow-400)}.feedback-status{align-items:flex-start;gap:12px;display:flex}.feedback-status>svg{color:#129657;background:#dffbed;border-radius:50%;flex:none;width:38px;height:38px;padding:8px}.encourage .feedback-status>svg{color:#a66508;background:#fff2c7}.feedback-status div{display:grid}.feedback-status strong{font-size:20px}.feedback-status span{color:var(--muted);font-size:13px}.feedback-block{background:var(--surface);border-radius:12px;margin:18px 0;padding:14px}.feedback-block b{color:var(--blue-800);font-size:13px}.feedback-block p{margin:5px 0 0;font-size:14px}.feedback-block.distractor{background:#fff5df}.feedback-panel .speed-button{width:100%}.result-stage{text-align:center;border-radius:var(--radius-lg);max-width:900px;box-shadow:var(--shadow-md);background:radial-gradient(circle at 50% 0,#dffaff,#fff 45%);border:2px solid #fff;margin:0 auto;padding:35px clamp(25px,5vw,70px)}.result-crystal{filter:drop-shadow(0 0 22px var(--cyan-400));font-size:78px}.result-stage>p{color:var(--blue-600);margin:5px 0 0;font-weight:900}.result-stage h2{margin:2px 0 8px;font-size:clamp(30px,4vw,48px)}.result-stars{color:var(--yellow-400);justify-content:center;gap:5px;display:flex}.result-stars svg{filter:drop-shadow(0 3px #c68200);width:38px;height:38px}.result-metrics{border:1px solid var(--border);border-radius:18px;grid-template-columns:repeat(3,1fr);margin:24px 0;display:grid;overflow:hidden}.result-metrics div{background:#fff;padding:16px;display:grid}.result-metrics div+div{border-left:1px solid var(--border)}.result-metrics b{color:var(--blue-600);font-size:28px}.result-metrics span{color:var(--muted);font-size:13px}.result-stage blockquote{max-width:620px;color:var(--blue-800);background:#e9faff;border-radius:14px;margin:20px auto;padding:16px;font-size:19px;font-weight:900}.result-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.reward-strip{color:#705000;background:#fff6ce;border-radius:12px;justify-content:center;align-items:center;gap:9px;margin-top:24px;padding:12px;font-weight:700;display:flex}.utility-page{max-width:1320px;margin:0 auto;padding:clamp(24px,4vw,52px)}.utility-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;display:flex}.utility-heading>div:first-child{align-items:center;gap:15px;display:flex}.utility-heading p,.utility-heading h1{margin:0}.utility-heading p{color:var(--blue-600);font-size:13px;font-weight:800}.utility-heading h1{font-size:clamp(28px,3.5vw,44px);line-height:1.2}.utility-icon{width:58px;height:58px;color:var(--blue-950);background:var(--yellow-400);border-radius:17px 12px;place-items:center;display:grid;box-shadow:0 5px #c28d00}.utility-icon.red{color:#fff;background:var(--red-500);box-shadow:0 5px #b92749}.streak-box,.mistake-count{border:1px solid var(--border);min-width:130px;box-shadow:var(--shadow-sm);background:#fff;border-radius:15px;grid-template-columns:auto 1fr;column-gap:8px;padding:10px 14px;display:grid}.streak-box svg{color:var(--orange-500);grid-row:span 2;align-self:center}.streak-box span,.mistake-count span{color:var(--muted);font-size:11px}.mistake-count{text-align:center;grid-template-columns:1fr}.mistake-count b{color:var(--red-500);font-size:24px}.daily-page{max-width:1020px}.daily-card{border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-md);background:#fff;padding:clamp(25px,5vw,55px)}.daily-meta{color:var(--muted);grid-template-columns:1fr auto 1fr;gap:10px;font-size:13px;display:grid}.daily-meta span:last-child{justify-self:end;align-items:center;gap:5px;display:flex}.daily-type{width:-moz-fit-content;width:fit-content;color:var(--blue-800);background:#e9f5ff;border-radius:8px;margin:25px 0 10px;padding:5px 9px;font-size:12px;font-weight:800}.daily-card h2{max-width:760px;margin:0 0 24px;font-size:clamp(23px,3vw,34px);line-height:1.45}.daily-choice-list{gap:9px;display:grid}.daily-choice-list button{text-align:left;border:2px solid var(--border);min-height:54px;color:var(--ink);background:#fff;border-radius:13px;grid-template-columns:34px 1fr;align-items:center;gap:10px;padding:10px 14px;font-weight:700;display:grid}.daily-choice-list button>span{background:var(--surface-2);border-radius:8px;place-items:center;width:30px;height:30px;display:grid}.daily-choice-list button.selected{border-color:var(--blue-600);background:#edf5ff}.numeric-answer{border:2px solid var(--blue-600);border-radius:15px;align-items:center;width:-moz-fit-content;width:fit-content;display:flex;overflow:hidden}.numeric-answer input{border:0;outline:0;width:150px;min-height:62px;padding:10px 18px;font-size:27px;font-weight:900}.numeric-answer span{color:var(--blue-800);background:#e9f5ff;align-self:stretch;place-items:center;padding:14px 18px;font-weight:900;display:grid}.ordering-answer{grid-template-columns:1fr 1fr;gap:14px;display:grid}.order-source,.order-target{background:var(--surface);border:2px dashed var(--border);border-radius:15px;align-content:start;gap:8px;min-height:160px;padding:13px;display:grid}.order-source button,.order-target button{border:1px solid var(--border);min-height:42px;color:var(--ink);background:#fff;border-radius:9px;font-weight:700}.order-target button span{color:var(--blue-600);margin-right:8px}.matching-answer{gap:9px;display:grid}.matching-answer label{grid-template-columns:1fr 1fr;align-items:center;gap:12px;display:grid}.matching-answer label>span{background:var(--surface-2);border-radius:10px;align-items:center;min-height:50px;padding:10px 13px;font-weight:800;display:grid}.matching-answer select{border:2px solid var(--border);background:#fff;border-radius:10px;min-height:50px;padding:8px}.daily-feedback{border-radius:12px;align-items:center;gap:8px;margin-top:18px;padding:13px;font-weight:700;display:flex}.daily-feedback.correct{color:#09623a;background:#dffbed}.daily-feedback.try-again{color:#90520a;background:#fff1d2}.daily-actions{justify-content:flex-end;margin-top:22px;display:flex}.daily-reward{background:var(--blue-950);color:#fff;border-radius:16px;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin-top:14px;padding:16px 20px;display:grid}.daily-reward>svg{color:var(--yellow-400)}.daily-reward div:nth-child(2){display:grid}.daily-reward span{color:#b9d8ee;font-size:12px}.daily-dots{gap:6px;display:flex}.daily-dots i{background:#496382;border-radius:50%;width:10px;height:10px}.daily-dots i.active{background:var(--yellow-400);box-shadow:0 0 0 4px #ffd44729}.daily-dots i.done{background:var(--green-400)}.empty-lab{text-align:center;border-radius:var(--radius-lg);border:2px dashed var(--border);background:#fff;align-content:center;justify-items:center;min-height:470px;padding:30px;display:grid}.empty-beaker{width:100px;height:100px;color:var(--blue-600);background:#e3f8ff;border-radius:50%;place-items:center;display:grid}.empty-beaker svg{width:48px;height:48px}.empty-lab h2{margin:18px 0 4px;font-size:30px}.empty-lab p{max-width:560px;color:var(--muted)}.mistake-list{gap:14px;display:grid}.mistake-item{border-left:6px solid var(--red-500);box-shadow:var(--shadow-sm);background:#fff;border-radius:20px;padding:24px}.mistake-status{color:var(--red-500);align-items:center;gap:10px;font-size:12px;display:flex}.mistake-status b{color:var(--ink)}.mistake-item h2{margin:10px 0;font-size:20px}.mistake-answers{flex-wrap:wrap;gap:8px;display:flex}.mistake-answers span{background:var(--surface);border-radius:9px;padding:8px 10px;font-size:13px}.mistake-answers span:last-child{color:#09643a;background:#e1faec}.mistake-item blockquote{color:var(--blue-800);background:#eaf7ff;border-radius:10px;margin:14px 0;padding:12px 15px;font-weight:700}.mistake-item footer{justify-content:space-between;align-items:center;gap:10px;display:flex}.mistake-item footer span,.mistake-item footer button{align-items:center;gap:6px;display:flex}.mistake-item footer span{color:var(--muted);font-size:12px}.mistake-item footer button{color:#08713f;background:#e3faed;border:1px solid #93dfb6;border-radius:9px;min-height:44px;padding:8px 12px;font-weight:700}.review-rule{color:#765400;background:#fff4d2;border-radius:16px;align-items:center;gap:12px;margin-top:18px;padding:16px 20px;display:flex}.review-rule div{display:grid}.review-rule span{font-size:13px}.red-alert-library{border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff;border-radius:20px;margin-top:22px;padding:22px}.red-alert-library>header{justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px;display:flex}.red-alert-library>header span{color:var(--red-500);text-transform:uppercase;font-size:12px;font-weight:800}.red-alert-library>header h2{margin:3px 0 0}.red-alert-library>header p{max-width:420px;color:var(--muted);margin:0;font-size:13px}.red-alert-library>div{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.red-alert-library a{min-height:116px;color:var(--ink);background:snow;border:1px solid #ffd5d5;border-radius:13px;align-content:center;gap:5px;padding:14px;text-decoration:none;display:grid}.red-alert-library a:hover,.red-alert-library a:focus-visible{border-color:var(--red-500);transform:translateY(-1px)}.red-alert-library a span,.red-alert-library a small{color:var(--muted);font-size:11px}.red-alert-header{grid-template-columns:100px 1fr auto;align-items:center;gap:18px;display:grid}.red-alert-header button{min-height:44px;color:var(--blue-800);background:0 0;border:0;align-items:center;gap:6px;font-weight:800;display:flex}.red-alert-header span{color:var(--red-500);font-size:12px;font-weight:800}.red-alert-header h1{margin:3px 0 0;font-size:clamp(24px,4vw,40px)}.red-alert-header>b{background:var(--navy);color:#fff;border-radius:12px;padding:10px 14px}.red-alert-progress{background:#e5edf5;border-radius:10px;height:9px;margin:20px 0;overflow:hidden}.red-alert-progress i{background:linear-gradient(90deg, var(--red-500), var(--orange-500));height:100%;transition:width .25s;display:block}.red-alert-question{max-width:960px;box-shadow:var(--shadow-md);background:#fff;border-radius:24px;margin:auto;padding:clamp(20px,4vw,40px)}.red-alert-question>p{color:var(--muted);font-size:12px}.red-alert-question>h2{font-size:clamp(21px,3vw,30px)}.red-alert-principle{color:#873b13;background:#fff1e8;border-radius:14px;gap:10px;padding:14px 16px;display:flex}.red-alert-principle span{gap:2px;display:grid}.red-alert-feedback{background:#e9faf1;border-radius:15px;margin-top:18px;padding:18px}.red-alert-feedback.try-again{background:#fff3e8}.red-alert-feedback p{margin:6px 0}.red-alert-feedback small{color:var(--muted);margin-bottom:12px;display:block}.red-alert-result>section{text-align:center;max-width:680px;box-shadow:var(--shadow-md);background:#fff;border-radius:24px;margin:20px auto;padding:38px}.red-alert-result>section>b{color:var(--red-500);margin:8px;font-size:64px;display:block}.red-alert-result-meta{flex-wrap:wrap;justify-content:center;gap:10px;margin:20px 0;display:flex}.red-alert-result-meta span{background:var(--surface);border-radius:10px;padding:8px 12px}.mock-lobby{max-width:970px}.mock-lobby>section{text-align:center;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:#fff;grid-template-columns:repeat(4,1fr);gap:14px;padding:clamp(30px,5vw,60px);display:grid}.mock-spec{background:var(--surface-2);border-radius:15px;align-content:center;place-items:center;min-height:110px;display:grid}.mock-spec b{color:var(--blue-600);font-size:33px;line-height:1}.mock-spec span{color:var(--muted);font-size:12px}.mock-lobby section h2,.mock-lobby section p,.mock-lobby section .speed-button{grid-column:1/-1}.mock-lobby section h2{margin:22px 0 0}.mock-lobby section p{max-width:600px;color:var(--muted);margin:0 auto 14px}.mock-lobby section .speed-button{justify-self:center}.mock-runner{background:#eef5f9;min-height:calc(100vh - 76px)}.mock-runner>header{border-bottom:1px solid var(--border);background:#fff;justify-content:space-between;align-items:center;gap:16px;min-height:70px;padding:10px clamp(15px,3vw,42px);display:flex}.mock-runner>header>div:first-child{display:grid}.mock-runner>header span{color:var(--muted);font-size:12px}.mock-timer{background:var(--blue-950);color:#fff;border-radius:10px;justify-content:center;align-items:center;gap:7px;min-width:120px;padding:8px 14px;font-weight:900;display:flex}.mock-runner>header>button{background:var(--red-500);color:#fff;border:0;border-radius:10px;min-height:44px;padding:8px 15px;font-weight:800}.mock-body{grid-template-columns:260px 1fr;gap:18px;max-width:1300px;margin:0 auto;padding:24px;display:grid}.question-grid,.mock-body>main{box-shadow:var(--shadow-sm);background:#fff;border-radius:18px}.question-grid{align-self:start;padding:18px;position:sticky;top:98px}.question-grid>div:first-child{justify-content:space-between;font-size:12px;display:flex}.grid-buttons{grid-template-columns:repeat(5,1fr);gap:6px;margin:15px 0;display:grid}.grid-buttons button{aspect-ratio:1;border:1px solid var(--border);color:var(--muted);background:#fff;border-radius:8px}.grid-buttons button.answered{color:#fff;background:var(--blue-600)}.grid-buttons button.flagged{box-shadow:inset 0 -4px var(--yellow-400)}.grid-buttons button.current{outline:3px solid var(--orange-500);outline-offset:1px}.grid-legend{color:var(--muted);gap:10px;font-size:10px;display:flex}.grid-legend span{align-items:center;gap:4px;display:flex}.grid-legend i{background:var(--blue-600);width:9px;height:9px}.grid-legend i.flagged{background:var(--yellow-400)}.mock-body>main{padding:clamp(24px,4vw,48px)}.exam-question-meta{color:var(--muted);justify-content:space-between;font-size:13px;display:flex}.exam-question-meta button{color:var(--muted);background:0 0;border:0;gap:6px;display:flex}.exam-question-meta button.active{color:#a16a00}.mock-body main h1{font-size:clamp(22px,2.6vw,31px);line-height:1.5}.exam-choices{gap:9px;display:grid}.exam-choices button{text-align:left;min-height:58px;color:var(--ink);border:2px solid var(--border);background:#fff;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:10px 14px;display:grid}.exam-choices button>span{background:var(--surface-2);width:32px;height:32px;color:var(--blue-800);border-radius:8px;place-items:center;font-weight:900;display:grid}.exam-choices button.selected{border-color:var(--blue-600);background:#edf5ff}.mock-body main footer{justify-content:space-between;margin-top:26px;display:flex}.mock-body main footer>button:first-child{border:1px solid var(--border);background:#fff;border-radius:10px;align-items:center;gap:5px;min-height:48px;padding:8px 14px;display:flex}.export-button{border:1px solid var(--border);min-height:44px;color:var(--blue-800);background:#fff;border-radius:10px;align-items:center;gap:5px;padding:8px 12px;font-weight:700;display:flex}.summary-band{background:var(--border);border:1px solid var(--border);border-radius:18px;grid-template-columns:repeat(4,1fr);gap:1px;margin-bottom:20px;display:grid;overflow:hidden}.summary-band>div{background:#fff;align-items:center;gap:12px;padding:18px;display:flex}.summary-band svg{color:var(--blue-600)}.summary-band span{color:var(--muted);font-size:12px;display:grid}.summary-band b{color:var(--ink);font-size:19px}.mock-trend{grid-template-columns:repeat(3,1fr);gap:10px;margin:-4px 0 20px;display:grid}.mock-trend>div{border:1px solid var(--border);background:#fff;border-radius:14px;gap:2px;padding:14px 18px;display:grid}.mock-trend span,.mock-trend small{color:var(--muted);font-size:12px}.mock-trend b{color:var(--blue-800);font-size:22px}.parent-grid{grid-template-columns:1fr 330px;align-items:start;gap:18px;display:grid}.mastery-panel,.parent-card{border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff;border-radius:20px}.mastery-panel{padding:24px}.mastery-panel>header{justify-content:space-between;align-items:center;display:flex}.mastery-panel h2,.mastery-panel p{margin:0}.mastery-panel p{color:var(--muted);font-size:12px}.mastery-panel>header>span{color:var(--blue-600);font-weight:900}.mastery-list{content-visibility:auto;max-height:600px;margin-top:18px;overflow:auto}.mastery-list>div{border-bottom:1px solid #e7f0f5;grid-template-columns:minmax(180px,1.2fr) 1fr 45px;align-items:center;gap:9px;min-height:41px;font-size:12px;display:grid}.mastery-list i{background:#d9e6ed;border-radius:8px;height:8px;overflow:hidden}.mastery-list em{border-radius:inherit;background:linear-gradient(90deg, var(--blue-600), var(--cyan-400));height:100%;display:block}.mastery-list b{color:var(--blue-800);text-align:right}.parent-grid aside{gap:14px;display:grid}.parent-card{padding:20px}.parent-card h2{margin:0 0 10px;font-size:19px}.parent-card b{color:var(--red-500);font-size:30px;display:block}.parent-card span,.parent-card li{color:var(--muted);font-size:13px}.parent-card ol{margin-bottom:0;padding-left:20px}.reset-button{color:#a41b3b;background:#fff4f6;border:1px solid #edb1be;border-radius:10px;justify-content:center;align-items:center;gap:7px;min-height:44px;font-weight:700;display:flex}.exam-warning{color:#795300;background:#fff4d0;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-weight:800;display:flex}.mock-timer.urgent{color:#a81735;background:#fff1f3}.mock-body button:disabled{cursor:not-allowed;opacity:.45}.mock-results{max-width:1180px;margin:0 auto}.mock-result-hero{grid-template-columns:1.2fr 1fr 1fr;gap:14px;margin-bottom:18px;display:grid}.mock-result-hero>div{border:1px solid var(--border);min-height:150px;box-shadow:var(--shadow-sm);background:#fff;border-radius:20px;align-items:center;gap:14px;padding:24px;display:flex}.mock-result-hero>div:first-child{background:linear-gradient(135deg, var(--blue-950), var(--blue-700));color:#fff;align-content:center;display:grid}.mock-result-hero span,.mock-result-hero small{color:var(--muted)}.mock-result-hero>div:first-child span,.mock-result-hero>div:first-child small{color:#bbdcf2}.mock-result-hero b{color:var(--blue-900);font-size:27px;display:block}.mock-result-hero>div:first-child b{color:var(--yellow-400);font-size:42px}.mock-analysis{grid-template-columns:1fr 330px;align-items:start;gap:18px;display:grid}.mock-analysis>article,.mock-analysis>aside{border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff;border-radius:20px;padding:22px}.mock-analysis h2{color:var(--blue-950);margin:0 0 16px}.unit-result{border-bottom:1px solid #e8f0f4;grid-template-columns:minmax(190px,1.4fr) 1fr 48px;align-items:center;gap:10px;min-height:42px;font-size:12px;display:grid}.unit-result i{background:#dce9ef;border-radius:8px;height:8px;overflow:hidden}.unit-result em{border-radius:inherit;background:linear-gradient(90deg, var(--blue-600), var(--cyan-400));height:100%;display:block}.unit-result b{color:var(--blue-800);text-align:right}.mock-analysis ol{gap:10px;padding-left:20px;display:grid}.mock-analysis li b,.mock-analysis li span{display:block}.mock-analysis li span{color:var(--muted);font-size:12px}.mock-wrong-review{box-shadow:var(--shadow-sm);background:#fff;border:1px solid #ffd5d5;border-radius:20px;margin:18px 0;padding:22px}.mock-wrong-review>header{justify-content:space-between;align-items:end;display:flex}.mock-wrong-review>header span{color:var(--red-500);font-size:12px;font-weight:800}.mock-wrong-review>header h2{margin:3px 0 10px}.mock-wrong-review>header>b{color:var(--red-500);font-size:26px}.mock-wrong-review article{background:#fff8f8;border-radius:12px;gap:4px;margin:8px 0;padding:13px 15px;display:grid}.mock-wrong-review article span,.mock-wrong-review article small{color:var(--muted);font-size:12px}.mock-wrong-review article p{margin:0;font-weight:700}.mock-wrong-review article>b{color:#08713f;font-size:13px}.offline-chip{color:#785000!important;background:#fff0c9!important}.settings-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.settings-grid>article,.about-panel{border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff;border-radius:20px;padding:26px}.settings-grid h2{color:var(--blue-950);align-items:center;gap:8px;margin-top:0;display:flex}.settings-grid label{color:var(--muted);margin-bottom:8px;font-size:13px;font-weight:800;display:block}.scale-options{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:18px;display:grid}.scale-options button{min-height:46px;color:var(--blue-900);background:#fff;border:1px solid #bfd7e5;border-radius:11px;font-weight:900}.scale-options button.selected{border-color:var(--blue-600);background:var(--blue-600);color:#fff}.setting-toggle{text-align:left;background:#f8fcfe;border:1px solid #cfdee6;border-radius:13px;justify-content:space-between;align-items:center;gap:15px;width:100%;min-height:66px;margin-top:9px;padding:12px 15px;display:flex}.setting-toggle span,.setting-toggle small{display:block}.setting-toggle small{color:var(--muted)}.setting-toggle i{color:#536773;text-align:center;background:#d7e3e9;border-radius:20px;min-width:48px;padding:7px;font-style:normal;font-weight:900}.setting-toggle.on i{background:var(--blue-600);color:#fff}.backup-actions{gap:9px;margin-top:22px;display:flex}.backup-actions button{background:var(--blue-800);color:#fff;border:0;border-radius:11px;align-items:center;gap:7px;min-height:48px;padding:10px 14px;font-weight:900;display:inline-flex}.settings-message{color:#126b3d;background:#e9fff2;border-radius:10px;align-items:center;gap:7px;margin-top:14px;padding:10px;display:flex}.knowledge-cards{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.knowledge-cards article{min-height:200px;box-shadow:var(--shadow-sm);background:linear-gradient(145deg,#fff,#edfaff);border:1px solid #cde0e9;border-radius:22px 14px;flex-direction:column;padding:20px;display:flex}.knowledge-cards article>span{color:var(--blue-600);letter-spacing:.08em;font-size:11px;font-weight:900}.knowledge-cards h2{color:var(--blue-950);font-size:18px}.knowledge-cards p{color:var(--muted);font-size:13px}.knowledge-cards footer{color:#14804b;align-items:center;gap:7px;margin-top:auto;font-weight:800;display:flex}.knowledge-cards article.locked{filter:grayscale(.8);opacity:.66}.about-panel{max-width:820px}.about-panel p,.about-panel li{color:var(--muted);line-height:1.7}.about-panel a{color:var(--blue-600);align-items:center;gap:6px;margin-top:12px;font-weight:900;display:inline-flex}.high-contrast{--ink:#000;--muted:#18232b;--border:#253746;--surface:#fff}.high-contrast button,.high-contrast a,.high-contrast article,.high-contrast .mission-dock{border-color:#253746;outline-color:#000}.high-contrast :focus-visible{outline-offset:3px;outline:4px solid #ffb800!important}.engine-briefing h2{max-width:760px;font-size:clamp(38px,5vw,70px)}.engine-scene{background:radial-gradient(circle at 60% 35%,#27d7ff40,#0000 45%),#071a45;overflow:hidden}.engine-scene>img{object-fit:cover;object-position:center;opacity:.86;width:100%;height:100%}.engine-scene:after{content:"";pointer-events:none;background:linear-gradient(90deg,#071a4533,#0000 55%,#071a457a);position:absolute;inset:0}.engine-scene .speech-bubble,.engine-scene .crystal-orb{z-index:2}.engine-lesson .lesson-sidebar b{font-size:12px;line-height:1.45}.lesson-vocabulary{grid-template-columns:auto 1fr;align-items:start}.lesson-vocabulary>div{gap:6px;display:grid}.lesson-vocabulary strong{color:var(--yellow-400);font-size:12px}.lesson-vocabulary span{color:#fff;font-size:11px;line-height:1.35}.mobile-lesson-vocabulary{display:none}.lesson-canvas header p{max-width:850px;color:var(--muted);margin:-12px 0 0;font-size:16px;line-height:1.7}.lesson-facts{background:#f7fcff;border:1px solid #cfe3ef;border-radius:18px;margin:24px 0;padding:22px}.lesson-facts h3,.worked-example h3{color:var(--blue-950);margin:0 0 14px}.lesson-facts ul{gap:12px;margin:0;padding:0;list-style:none;display:grid}.lesson-facts li{grid-template-columns:auto 1fr;align-items:start;gap:10px;line-height:1.65;display:grid}.lesson-facts li svg{width:20px;color:var(--green-500)}.worked-example{background:#fff8df;border:2px solid #ffe28a;border-radius:18px;margin:24px 0;padding:22px}.worked-example h3{align-items:center;gap:9px;display:flex}.worked-example h3 svg{color:var(--blue-600)}.worked-example ol{gap:8px;padding-left:24px;line-height:1.6;display:grid}.worked-example>strong{color:var(--blue-800);background:#fff;border-radius:12px;padding:12px 14px;line-height:1.55;display:block}.concept-runway{grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0;display:grid;position:relative}.concept-runway:before{content:"";background:linear-gradient(90deg, var(--cyan-400), var(--blue-600));opacity:.28;border-radius:4px;height:4px;position:absolute;top:32px;left:9%;right:9%}.concept-runway>div{min-height:152px;box-shadow:var(--shadow-sm);background:linear-gradient(145deg,#fff,#eefaff);border:1px solid #cfe3ef;border-radius:18px 13px;padding:18px;position:relative}.concept-runway span{z-index:1;background:var(--blue-800);width:38px;height:38px;color:var(--yellow-400);border-radius:12px 9px;place-items:center;font-weight:900;display:grid;position:relative}.concept-runway b{color:var(--blue-950);margin-top:22px;font-size:15px;line-height:1.45;display:block}.concept-runway i{background:var(--cyan-400);width:22px;height:5px;box-shadow:8px 9px 0 var(--yellow-400);position:absolute;top:20px;right:14px;transform:skew(-26deg)}.generic-evidence-stage .simulation-main{overflow:hidden}.evidence-arena{background:radial-gradient(circle,#27d7ff3d,#0000 42%),linear-gradient(135deg,#071a45,#0b3278);border-radius:22px;grid-template-columns:repeat(3,1fr);align-items:center;gap:18px;min-height:360px;padding:30px;display:grid;position:relative;overflow:hidden}.evidence-arena:before,.evidence-arena:after{content:"";border:1px solid #27d7ff38;border-radius:50%;width:250px;height:250px;position:absolute}.evidence-arena:before{bottom:-130px;left:-100px}.evidence-arena:after{top:-140px;right:-120px}.evidence-beam{background:linear-gradient(90deg, transparent, var(--cyan-400), transparent);height:3px;box-shadow:0 0 24px var(--cyan-400);position:absolute;top:50%;left:5%;right:5%}.evidence-arena button{z-index:1;color:#fff;text-align:left;background:#071a45db;border:2px solid #97daff59;border-radius:22px 14px;min-height:190px;padding:24px 18px;transition:all .2s;position:relative;box-shadow:0 16px 30px #0003}.evidence-arena button:hover,.evidence-arena button.selected{border-color:var(--yellow-400);transform:translateY(-7px);box-shadow:0 18px 32px #00000042,0 0 0 4px #ffd44726}.evidence-arena button span,.evidence-arena button small{color:#9cc7e5;display:block}.evidence-arena button b{margin:20px 0 14px;font-size:17px;line-height:1.45;display:block}.river-stage .simulation-main{overflow:hidden}.river-map{background:#14396b;border-radius:22px;min-height:420px;position:relative;overflow:hidden}.river-map:after{content:"";pointer-events:none;background:linear-gradient(#0415380d,#0415384d);position:absolute;inset:0}.river-map>img{object-fit:cover;width:100%;height:420px;display:block}.river-station{z-index:2;color:#fff;background:#071a45e6;border:2px solid #fff;border-radius:14px 10px;min-width:92px;padding:9px 12px;transition:all .18s;position:absolute;bottom:15%;box-shadow:0 7px #0411308c}.river-station:hover,.river-station.selected{border-color:var(--yellow-400);transform:translateY(-5px);box-shadow:0 7px #0411308c,0 0 0 5px #ffd44733}.river-station span{background:var(--cyan-400);width:28px;height:28px;color:var(--blue-950);border-radius:9px 6px;place-items:center;margin-right:6px;font-weight:900;display:inline-grid}.river-station b{font-size:12px}.river-a{left:8%}.river-b{bottom:22%;left:46%}.river-c{right:7%}.river-readings{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px;display:grid}.river-readings>div{background:#f7fcff;border:1px solid #cfe3ef;border-radius:14px;gap:5px;padding:14px;display:grid}.river-readings>div.critical{background:#fff5f2;border-color:#ffb5aa}.river-readings span,.river-readings small{color:var(--muted);font-size:11px}.river-readings b{color:var(--blue-900);font-size:15px}.river-readings i{background:#d7e6ee;border-radius:10px;height:8px;overflow:hidden}.river-readings em{border-radius:inherit;background:linear-gradient(90deg, var(--cyan-400), var(--blue-600));height:100%;display:block}.river-readings .critical em{background:linear-gradient(90deg,#ff7c6b,#ffb12e)}.evaporation-rig{background:linear-gradient(#dff8ff,#f8fdff 58%,#d8ebef 59%);border-radius:22px;grid-template-columns:repeat(3,1fr);align-items:end;gap:18px;min-height:380px;padding:35px;display:grid}.evaporation-rig>button{min-height:300px;color:var(--blue-950);background:#ffffff94;border:2px solid #0000;border-radius:22px;align-content:end;place-items:center;gap:10px;padding:18px;display:grid}.evaporation-rig>button:hover,.evaporation-rig>button.selected{border-color:var(--blue-600);background:#fff;box-shadow:0 12px 28px #09478224}.wind-lines{min-height:24px;color:var(--blue-600);letter-spacing:5px;font-size:24px}.water-cup{background:#ffffffb3;border:7px solid #073b73b8;border-top:0;border-radius:5px 5px 28px 28px;width:130px;height:95px;position:relative;overflow:hidden}.water-cup.narrow{width:68px;height:130px}.water-cup i{background:linear-gradient(180deg, var(--cyan-400), var(--blue-600));position:absolute;bottom:0;left:0;right:0}.evaporation-rig small{color:var(--muted)}.shadow-observatory{background:linear-gradient(#3daef5 0 62%,#bdd65f 62% 70%,#d3bd83 70%);border-radius:22px;min-height:390px;position:relative;overflow:hidden}.lab-sun{z-index:1;color:#ffb11b;background:#fff6b0;border-radius:50%;place-items:center;width:68px;height:68px;font-size:42px;display:grid;position:absolute;top:36px;box-shadow:0 0 40px #fff4a0}.sun-left{left:10%}.sun-center{left:calc(50% - 34px)}.sun-right{right:10%}.shadow-ground{height:80px;position:absolute;bottom:18%;left:12%;right:12%}.shadow-pole{z-index:2;background:linear-gradient(90deg,#6d3e21,#b86e35);border-radius:9px 9px 2px 2px;width:18px;height:145px;position:absolute;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -20px 0 25px #42a14e}.cast-shadow{transform-origin:0;clip-path:polygon(0 38%,100% 0,100% 100%,0 65%);background:#21324a;height:25px;position:absolute;bottom:-2px;left:50%}.cast-shadow.direction-left{transform:rotate(180deg)}.shadow-ground>span{color:#fff;text-align:center;background:#071a45d1;border-radius:9px;min-width:220px;padding:7px 12px;font-size:12px;position:absolute;bottom:-46px;left:50%;transform:translate(-50%)}.time-selector{grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0;display:grid}.time-selector button{min-height:48px;color:var(--blue-900);background:#fff;border:1px solid #bbd5e4;border-radius:12px;font-weight:900}.time-selector button.selected{border-color:var(--blue-600);background:var(--blue-600);color:#fff}@media (max-width:780px){.concept-runway{grid-template-columns:1fr}.concept-runway>div{min-height:105px}.evidence-arena{grid-template-columns:1fr;min-height:auto;padding:18px}.evidence-arena button{min-height:120px}.river-map,.river-map>img{height:350px;min-height:350px}.river-station{min-width:64px;padding:7px}.river-station b{display:none}.river-readings{grid-template-columns:1fr}.evaporation-rig{grid-template-columns:1fr;padding:18px}.evaporation-rig>button{min-height:180px}.shadow-observatory{min-height:330px}}@media (max-width:520px){.engine-briefing h2{font-size:40px}.engine-scene{min-height:320px}.river-map,.river-map>img{height:290px;min-height:290px}.river-station{bottom:12%}.river-b{bottom:20%}}@media (max-width:1050px){.main-nav{display:none}.hud-stats{margin-left:auto}.landing-hero{grid-template-columns:1fr 1fr}.hero-visual{min-height:560px}.world-map{min-width:1030px;height:650px}.map-page{overflow:hidden}.world-map{margin-left:0}.map-page:after{content:"เลื่อนแผนที่ซ้าย–ขวาเพื่อดูทุกภารกิจ";color:#b9daf3;width:-moz-fit-content;width:fit-content;margin:8px auto 0;font-size:11px;display:block;position:relative}.map-page .world-map{overflow:hidden}.map-heading,.world-map,.mission-dock{max-width:none}.map-page{overflow-x:auto}.mission-dock{min-width:1030px}.simulation-stage{grid-template-columns:1fr}.evidence-notebook{grid-template-columns:auto 1fr;gap:10px 20px;display:grid}.evidence-notebook h3{grid-column:1/-1}.evidence-notebook>p{text-align:left}.evidence-notebook ul{grid-area:2/2/span 2}.quiz-layout{grid-template-columns:1fr 300px}}@media (max-width:780px){body{padding-bottom:70px}.topbar{min-height:64px;padding:8px 14px}.brand{font-size:18px}.brand-mark{width:40px;height:40px}.hud-stats>span{padding:6px 8px}.hud-label{display:none}.mobile-nav{z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#071a45f5;border-radius:17px;grid-template-columns:repeat(3,1fr);height:62px;padding:6px;display:grid;position:fixed;bottom:8px;left:10px;right:10px;box-shadow:0 8px 30px #071a4559}.mobile-nav a{color:#b5d4ea;align-content:center;place-items:center;font-size:10px;display:grid}.mobile-nav a.active{color:var(--yellow-400)}.landing{margin-bottom:-70px}.landing-nav{height:70px;padding:12px 18px}.parent-link{font-size:12px}.landing-hero{text-align:center;grid-template-columns:1fr;min-height:auto;padding:40px 20px 90px}.hero-copy>p{margin-left:auto;margin-right:auto}.hero-actions,.hero-proof{justify-content:center}.return-progress{margin-left:auto;margin-right:auto}.hero-visual{grid-row:1;min-height:460px}.hero-visual img{height:450px}.floating-token{width:55px;height:55px;font-size:17px}.profile-page{background:linear-gradient(180deg, var(--blue-950) 0 20%, var(--surface) 20%);padding:16px}.profile-panel{grid-template-columns:1fr}.profile-mascot{height:210px}.profile-mascot img{object-position:50% 14%;height:170%}.map-heading{min-width:850px}.map-heading h1{font-size:28px}.mission-titlebar{grid-template-columns:auto 1fr auto}.back-button span,.mission-energy{font-size:0}.mission-energy span{font-size:17px}.mission-titlebar>div:nth-child(2){gap:0;padding-left:8px;display:grid}.mission-titlebar h1{font-size:18px}.progress-rail{margin-bottom:18px}.progress-icon{width:46px;height:46px}.progress-rail:before{top:21px}.briefing-stage{grid-template-columns:1fr}.briefing-copy{padding-bottom:20px}.briefing-scene{min-height:420px}.lesson-stage{grid-template-columns:1fr}.lesson-sidebar{grid-template-columns:1fr 1fr 1fr;align-items:center}.knowledge-card-mini{margin-top:0}.quiz-layout{grid-template-columns:1fr}.quiz-guide{display:none}.feedback-panel{position:static}.utility-page{padding:24px 16px}.mock-body{grid-template-columns:1fr;padding:14px}.question-grid{position:static}.grid-buttons{grid-template-columns:repeat(10,1fr)}.parent-grid{grid-template-columns:1fr}.summary-band{grid-template-columns:1fr 1fr}}@media (max-width:520px){.topbar .brand span:last-child{display:none}.hud-stats>span{font-size:12px}.icon-button{width:40px}.hero-copy h1{font-size:52px}.hero-visual{min-height:370px}.hero-visual img{width:92%;height:380px}.hero-proof{justify-items:center;display:grid}.profile-panel form{padding:30px 22px}.map-quick-actions button{font-size:12px}.mission-page{padding:10px 10px 35px}.mission-titlebar{border-radius:12px}.progress-rail li>span:last-child{font-size:10px}.progress-icon{border-radius:13px 10px;width:40px;height:40px}.progress-icon svg{width:19px}.progress-rail:before{top:18px}.briefing-copy h2{font-size:40px}.speech-bubble{width:190px;font-size:13px}.soil-lesson-visual{grid-template-columns:1fr}.soil-grain{min-height:130px}.lesson-sidebar{display:none}.mobile-lesson-vocabulary{background:var(--blue-950);color:#fff;border-radius:15px;gap:10px;margin:20px 0;padding:16px;display:grid}.mobile-lesson-vocabulary>strong{color:var(--yellow-400);align-items:center;gap:7px;display:flex}.mobile-lesson-vocabulary>div{grid-template-columns:1fr 1fr;gap:8px;font-size:12px;line-height:1.4;display:grid}.lesson-canvas{padding:22px 16px}.inline-check button{width:100%;margin-right:0}.simulation-main{padding:18px 10px}.simulation-heading{align-items:flex-start}.water-setting{font-size:12px}.experiment-art{overscroll-behavior-inline:contain;justify-content:start;min-height:190px;overflow-x:auto}.experiment-art img{width:650px;min-width:650px;max-width:none;transform:none}.soil-labels,.simulation-meters{font-size:10px}.simulation-meters>div{grid-template-columns:1fr}.simulation-meters b,.simulation-meters i{grid-column:1}.prediction-panel{grid-template-columns:1fr}.prediction-panel>div{grid-row:auto;grid-template-columns:repeat(3,1fr);display:grid}.prediction-panel>div button{padding:8px 4px;font-size:12px}.prediction-panel .speed-button{grid-area:auto/1}.simulation-result{grid-template-columns:auto 1fr}.simulation-result .speed-button{grid-column:1/-1}.evidence-notebook{display:block}.question-panel{padding:22px 15px}.quiz-topline{grid-template-columns:1fr auto}.quiz-topline>button{grid-column:1/-1;justify-content:center;justify-self:stretch}.result-metrics{grid-template-columns:1fr}.result-metrics div+div{border-left:0;border-top:1px solid var(--border)}.utility-heading{align-items:flex-start}.utility-icon{width:48px;height:48px}.daily-meta{grid-template-columns:1fr auto}.daily-meta span:last-child{display:none}.ordering-answer{grid-template-columns:1fr}.matching-answer label{grid-template-columns:1fr;gap:4px}.daily-reward{grid-template-columns:auto 1fr}.daily-dots{grid-column:1/-1;justify-content:center}.mistake-item footer{flex-direction:column;align-items:stretch}.mock-lobby>section{grid-template-columns:repeat(2,1fr)}.mock-spec:last-of-type{grid-column:1/-1}.mock-runner>header>div:first-child{display:none}.mock-body>main{padding:20px 14px}.grid-buttons{grid-template-columns:repeat(6,1fr)}.summary-band{grid-template-columns:1fr}.mastery-list>div{grid-template-columns:1fr 50px;padding:8px 0}.mastery-list i{grid-area:2/1/auto/-1}}@media (max-width:780px){.settings-grid,.mock-analysis{grid-template-columns:1fr}.knowledge-cards{grid-template-columns:1fr 1fr}.mock-result-hero{grid-template-columns:1fr}.red-alert-library>div{grid-template-columns:1fr 1fr}.red-alert-library>header{flex-direction:column;align-items:flex-start}.mock-trend{grid-template-columns:1fr}}@media (max-width:520px){.knowledge-cards{grid-template-columns:1fr}.scale-options{grid-template-columns:repeat(2,1fr)}.backup-actions{flex-direction:column}.unit-result{grid-template-columns:1fr 48px;padding:7px 0}.unit-result i{grid-column:1/-1}.red-alert-library{padding:16px}.red-alert-library>div{grid-template-columns:1fr}.red-alert-header{grid-template-columns:auto 1fr}.red-alert-header>b{grid-column:1/-1;justify-self:end}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.orbit{display:none}}.curriculum-alignment{border:1px solid color-mix(in srgb, var(--cyan) 45%, transparent);background:color-mix(in srgb, var(--cyan) 8%, transparent);border-radius:16px;margin:1.25rem 0;padding:1rem 1.1rem}.curriculum-alignment strong,.curriculum-alignment span{display:block}.curriculum-alignment span{margin-top:.3rem;font-weight:700}.curriculum-alignment ul,.curriculum-alignment p{margin:.7rem 0 0}.reset-learning-panel{border-top:1px solid color-mix(in srgb, var(--text) 18%, transparent);margin-top:1.25rem;padding-top:1.25rem}.reset-learning-panel p{margin:.35rem 0 .85rem}.about-sources{flex-wrap:wrap;gap:.75rem;margin:1rem 0;display:flex}