:root { --ink:#eef3f8; --muted:#8c9bb0; --dim:#61718a; --navy:#091426; --navy-2:#0e1c32; --navy-3:#142742; --line:#d4e3f31a; --mint:#b6f1d2; --mint-deep:#69c89c; --coral:#ffab83; --yellow:#f5d58a; --violet:#aaa3ff; }
* { box-sizing:border-box; }
html { min-width:320px; background:var(--navy); }
body { margin:0; color:var(--ink); background:var(--navy); font-family:Manrope,"Noto Sans SC",sans-serif; letter-spacing:0; }
button,input,textarea { font:inherit; }
button { cursor:pointer; }
button:focus-visible,input:focus-visible,textarea:focus-visible { outline:2px solid var(--yellow); outline-offset:3px; }
.hidden { display:none !important; }
.noise { position:fixed; inset:0; pointer-events:none; opacity:.035; z-index:20; background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E"); }
.auth-view { min-height:100vh; display:grid; grid-template-columns:minmax(0,1.2fr) minmax(420px,.8fr); background:#091426; }
.auth-art { position:relative; min-height:100vh; overflow:hidden; background:#0b1d34; border-right:1px solid var(--line); }
#authCanvas { position:absolute; inset:0; width:100%; height:100%; }
.auth-art:after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,#0b1d3400 55%,#091426); pointer-events:none; }
.auth-planet { position:absolute; width:310px; height:310px; border-radius:50%; left:38%; top:31%; background:radial-gradient(circle at 32% 25%,#cee9da,#7bb8b0 26%,#284a61 65%,#132d47); box-shadow:0 0 0 14px #b6f1d20b,0 0 100px #80f0bf22; display:grid; place-items:center; }
.auth-planet:before { content:""; position:absolute; width:440px; height:80px; border:1px solid #b6f1d230; border-radius:50%; transform:rotate(-18deg); }
.auth-planet span { font-size:42px; color:#fff0b8; transform:translate(-60px,-55px); }
.auth-astronaut { position:absolute; z-index:2; left:33%; top:37%; font-size:112px; transform:rotate(-8deg); filter:drop-shadow(0 20px 20px #030d1a88); animation:float 5s ease-in-out infinite; }
.auth-orbit { position:absolute; border:1px solid #b6f1d21c; border-radius:50%; }
.orbit-one { width:610px; height:610px; left:18%; top:16%; transform:rotate(23deg); }
.orbit-two { width:850px; height:850px; left:-4%; top:-6%; transform:rotate(-30deg); border-color:#aaa3ff15; }
.auth-quote { position:absolute; z-index:3; left:11%; bottom:10%; }
.auth-quote span { color:var(--mint); font-size:10px; letter-spacing:3px; }
.auth-quote strong { display:block; margin-top:13px; font-size:clamp(26px,3.2vw,48px); line-height:1.15; font-weight:800; letter-spacing:-1px; }
.auth-panel { width:min(480px,100%); justify-self:center; align-self:center; padding:42px 52px; }
.brand { display:flex; align-items:center; gap:12px; }
.brand-mark { width:38px; height:38px; display:grid; place-items:center; border:1px solid #b6f1d270; border-radius:12px; color:var(--mint); font-size:21px; }
.brand b { display:block; font-size:16px; letter-spacing:1px; }
.brand small { display:block; margin-top:4px; color:var(--dim); font-size:8px; letter-spacing:3px; }
.auth-copy { margin-top:84px; }
.kicker,.top-kicker { margin:0; color:var(--mint-deep); font:500 10px "DM Mono",monospace; letter-spacing:2px; text-transform:uppercase; }
.auth-copy h1 { margin:14px 0 12px; font-size:38px; line-height:1.1; letter-spacing:-1px; }
.auth-copy > p:last-child { max-width:360px; color:var(--muted); font-size:14px; line-height:1.85; }
.auth-tabs { display:flex; gap:25px; margin-top:46px; border-bottom:1px solid var(--line); }
.auth-tab { position:relative; padding:0 0 13px; border:0; background:transparent; color:var(--dim); font-size:13px; }
.auth-tab.active { color:var(--ink); }
.auth-tab.active:after { content:""; position:absolute; bottom:-1px; left:0; right:0; height:2px; background:var(--mint); }
.auth-form { display:grid; gap:17px; margin-top:24px; }
.auth-form label { color:#aebacc; font-size:12px; }
.auth-form input { display:block; width:100%; margin-top:8px; padding:14px 15px; border:1px solid var(--line); border-radius:9px; background:#0e1c32; color:var(--ink); font-size:14px; }
.auth-form input::placeholder { color:#586a83; }
.button { border:0; border-radius:8px; padding:12px 16px; color:var(--ink); font-weight:700; font-size:13px; transition:transform .18s,background .18s; }
.button:hover { transform:translateY(-1px); }
.button-primary { background:var(--mint); color:#123329; }
.button-primary:hover { background:#cef8e0; }
.button-wide { width:100%; display:flex; justify-content:space-between; align-items:center; margin-top:5px; }
.form-message { min-height:17px; margin:0; color:var(--coral); font-size:12px; }
.auth-note { margin:50px 0 0; color:#53647b; font-size:11px; }
.app-view { min-height:100vh; display:grid; grid-template-columns:245px 1fr; }
.sidebar { display:flex; flex-direction:column; min-height:100vh; padding:31px 22px 24px; border-right:1px solid var(--line); background:#0b192c; }
.sidebar-brand { padding-left:4px; }
.sidebar-brand b { font-size:14px; }
.season-label { display:flex; justify-content:space-between; margin:60px 10px 13px; color:var(--dim); font:500 10px "DM Mono",monospace; letter-spacing:1px; text-transform:uppercase; }
.season-label span { color:var(--mint-deep); }
.main-nav { display:grid; gap:6px; }
.nav-item { display:flex; align-items:center; gap:12px; padding:12px 11px; border:1px solid transparent; border-radius:8px; background:transparent; color:var(--muted); text-align:left; font-size:13px; }
.nav-item:hover { background:#ffffff07; color:var(--ink); }
.nav-item.active { background:#b6f1d20d; border-color:#b6f1d21c; color:var(--mint); }
.nav-icon { width:20px; color:currentColor; font-size:18px; text-align:center; }
.sidebar-bottom { margin-top:auto; }
.mini-progress { padding:17px 14px; border:1px solid var(--line); border-radius:10px; background:#0e1c32; }
.mini-progress-head { display:flex; justify-content:space-between; color:#a9b5c7; font-size:11px; }.mini-progress-head b { color:var(--mint); font:500 12px "DM Mono",monospace; }
.progress-bar { height:4px; margin:13px 0 10px; border-radius:5px; background:#20314a; overflow:hidden; }.progress-bar i { display:block; width:0; height:100%; background:var(--mint); transition:width .4s; }
.mini-progress p { margin:0; color:var(--dim); font-size:10px; }
.logout-button { width:100%; margin-top:18px; padding:9px; border:0; background:transparent; color:var(--dim); font-size:11px; text-align:left; }
.logout-button:hover { color:var(--coral); }
.main-content { min-width:0; max-width:1450px; width:100%; padding:31px clamp(24px,4vw,68px) 65px; }
.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:45px; }.topbar h2 { margin:8px 0 0; font-size:25px; letter-spacing:-.5px; }
.top-actions { display:flex; align-items:center; gap:20px; }.xp-pill { display:flex; align-items:baseline; gap:7px; }.xp-pill span { color:var(--yellow); font-size:18px; }.xp-pill b { font:500 18px "DM Mono",monospace; }.xp-pill small { color:var(--dim); font-size:10px; }
.avatar-button { width:37px; height:37px; border:1px solid #b6f1d240; border-radius:50%; background:#163248; color:var(--mint); font-weight:800; }
.mission-grid { display:grid; grid-template-columns:minmax(360px,.9fr) minmax(460px,1.1fr); gap:20px; align-items:stretch; }
.scene-panel,.lesson-panel { border:1px solid var(--line); border-radius:14px; background:var(--navy-2); overflow:hidden; }
.scene-panel { min-height:675px; display:flex; flex-direction:column; }.scene-topline { display:flex; align-items:center; gap:8px; padding:19px 21px; color:#9aaabd; font:500 10px "DM Mono",monospace; letter-spacing:1px; text-transform:uppercase; }.status-dot { width:6px; height:6px; border-radius:50%; background:var(--mint); box-shadow:0 0 9px var(--mint); }.scene-time { margin-left:auto; color:#586b84; }
.scene-stage { position:relative; flex:1; min-height:500px; overflow:hidden; background:#102038; }.scene-stage:after { content:""; position:absolute; inset:0; pointer-events:none; border:1px solid #fff1; }.scene-stage canvas { position:absolute; inset:0; width:100%; height:100%; }.scene-bubble { position:absolute; z-index:2; left:24px; top:22px; max-width:220px; padding:11px 13px; border:1px solid #b6f1d224; border-radius:8px 8px 8px 2px; background:#0b192ccc; color:#c4d2e3; font-size:11px; line-height:1.65; }.scene-caption { position:absolute; left:22px; right:22px; bottom:19px; z-index:2; display:flex; justify-content:space-between; align-items:end; }.scene-caption b { font-size:17px; }.scene-caption span { color:#92a0b2; font-size:10px; }
.mission-brief { display:flex; align-items:flex-start; gap:12px; min-height:100px; padding:19px 21px; border-top:1px solid var(--line); background:#0f2038; }.robot-avatar { width:39px; height:39px; display:grid; place-items:center; border-radius:10px; background:#aaa3ff15; font-size:22px; }.brief-label { color:var(--violet); font:500 10px "DM Mono",monospace; letter-spacing:1px; }.mission-brief p { margin:7px 0 0; color:#bdc9d8; font-size:12px; line-height:1.65; }.brief-arrow { margin-left:auto; color:var(--mint); font-size:18px; }
.lesson-panel { padding:25px 27px 19px; }.lesson-meta { display:flex; justify-content:space-between; color:var(--violet); font:500 10px "DM Mono",monospace; letter-spacing:1.5px; text-transform:uppercase; }.lesson-xp { color:var(--yellow); }.lesson-panel h1 { margin:13px 0 7px; font-size:29px; letter-spacing:-.8px; }.concept-line { margin:0; color:var(--mint-deep); font:500 11px "DM Mono",monospace; }.lesson-story { min-height:44px; margin:20px 0 13px; color:var(--muted); font-size:13px; line-height:1.75; }.concept-box { display:flex; gap:10px; padding:12px 14px; border-left:2px solid var(--mint); background:#b6f1d209; }.concept-mark { color:var(--mint); font-size:16px; }.concept-box b { font-size:12px; }.concept-box p { margin:4px 0 0; color:#93a5b8; font-size:11px; line-height:1.55; }
.editor-wrap { margin-top:19px; border:1px solid #d4e3f317; border-radius:9px; overflow:hidden; background:#081321; }.editor-head,.editor-foot { display:flex; justify-content:space-between; align-items:center; padding:10px 13px; color:#70839d; font:500 10px "DM Mono",monospace; }.editor-head { border-bottom:1px solid #d4e3f312; }.editor-dot { display:inline-block; width:6px; height:6px; margin-right:8px; border-radius:50%; background:var(--coral); }.editor-shortcut { color:#495d76; }.editor-wrap textarea { display:block; width:100%; min-height:214px; padding:16px; resize:vertical; border:0; border-radius:0; background:#081321; color:#c5f2da; font:14px/1.8 "DM Mono",monospace; tab-size:4; }.editor-wrap textarea::selection { background:#7abfa24a; }.editor-foot { border-top:1px solid #d4e3f312; font-size:9px; }
.lesson-actions { display:flex; gap:8px; align-items:center; margin-top:14px; }.lesson-actions .button-primary { display:flex; gap:9px; align-items:center; }.button-quiet { background:#ffffff08; color:#abb8c8; border:1px solid var(--line); }.button-quiet:hover { background:#ffffff11; }.icon-button { width:40px; height:40px; border:1px solid var(--line); border-radius:8px; background:transparent; color:#8fa1b8; font-size:18px; }.console { min-height:89px; margin-top:15px; padding:12px 14px; border:1px solid #d4e3f30d; border-radius:8px; background:#0a1728; }.console-label { color:#62758e; font:500 9px "DM Mono",monospace; letter-spacing:1px; }.console-pulse { display:inline-block; width:5px; height:5px; margin-right:7px; border-radius:50%; background:var(--mint); }.console pre { min-height:40px; margin:9px 0 0; color:#afc0d3; font:12px/1.7 "DM Mono",monospace; white-space:pre-wrap; overflow:auto; }.console.success pre { color:var(--mint); }.console.error pre { color:var(--coral); }.completion-row { display:flex; align-items:center; gap:10px; margin-top:14px; }.button-complete { flex:0 0 auto; background:#ffffff0a; color:#53677e; border:1px solid var(--line); }.button-complete.ready { background:var(--mint); color:#123329; }.button-complete:disabled { cursor:not-allowed; opacity:.7; }.completion-row span { color:#667991; font-size:10px; }
.next-lessons { margin-top:48px; }.section-head { display:flex; justify-content:space-between; align-items:end; }.section-head h3 { margin:7px 0 0; font-size:18px; }.text-button { border:0; background:transparent; color:var(--mint); font-size:11px; }.text-button span { margin-left:7px; }.next-lesson-list { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:16px; }.next-card { display:flex; align-items:center; gap:12px; min-width:0; padding:14px; border:1px solid var(--line); border-radius:10px; background:#0e1c32; text-align:left; color:var(--ink); }.next-card:hover { border-color:#b6f1d245; background:#12233b; }.next-card.locked { opacity:.52; }.next-card .number { display:grid; place-items:center; width:30px; height:30px; flex:none; border-radius:8px; background:#b6f1d210; color:var(--mint); font:500 10px "DM Mono",monospace; }.next-card b { display:block; overflow:hidden; font-size:12px; text-overflow:ellipsis; white-space:nowrap; }.next-card small { display:block; margin-top:5px; color:var(--dim); font-size:10px; }.next-card .mark { margin-left:auto; color:var(--mint); }
.page-intro { max-width:650px; margin-bottom:32px; }.page-intro h1 { margin:13px 0 11px; font-size:34px; }.page-intro p:last-child { margin:0; color:var(--muted); font-size:13px; line-height:1.8; }.map-list { display:grid; gap:9px; }.map-card { display:grid; grid-template-columns:52px minmax(0,1fr) 120px 80px; align-items:center; gap:15px; padding:16px 19px; border:1px solid var(--line); border-radius:10px; background:#0e1c32; }.map-card.current { border-color:#b6f1d24d; background:#11253b; }.map-card.locked { opacity:.5; }.map-number { color:var(--violet); font:500 11px "DM Mono",monospace; }.map-card h3 { margin:0; font-size:13px; }.map-card p { margin:5px 0 0; color:var(--dim); font-size:10px; }.map-skill { color:#a7b8c9; font:500 10px "DM Mono",monospace; }.map-status { justify-self:end; color:var(--mint); font-size:12px; }.map-status.lock { color:#53677e; }
.report-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:28px; }.report-stat { padding:21px; border:1px solid var(--line); border-radius:10px; background:#0e1c32; }.stat-icon { display:block; color:var(--mint); font-size:22px; }.report-stat b { display:block; margin-top:16px; font:500 28px "DM Mono",monospace; }.report-stat small { display:block; margin-top:5px; color:var(--dim); font-size:11px; }.report-card { padding:23px; border:1px solid var(--line); border-radius:10px; background:#0e1c32; }.history-list { margin-top:18px; }.history-item { display:grid; grid-template-columns:42px 1fr auto; align-items:center; gap:13px; padding:13px 0; border-top:1px solid var(--line); }.history-item .history-index { color:var(--violet); font:500 10px "DM Mono",monospace; }.history-item b { font-size:12px; }.history-item small { display:block; margin-top:4px; color:var(--dim); font-size:10px; }.history-item strong { color:var(--mint); font:500 11px "DM Mono",monospace; }
.modal { width:min(420px,calc(100% - 30px)); padding:30px; border:1px solid var(--line); border-radius:14px; background:#10213a; color:var(--ink); box-shadow:0 30px 90px #0009; }.modal::backdrop,.toast-dialog::backdrop { background:#030b16cc; backdrop-filter:blur(6px); }.modal-close { position:absolute; right:15px; top:11px; border:0; background:transparent; color:#8092a8; font-size:24px; }.modal h2 { margin:12px 0 8px; font-size:25px; }.modal p:not(.top-kicker) { color:var(--muted); font-size:12px; line-height:1.8; }.profile-code { display:flex; justify-content:space-between; margin-top:22px; padding-top:14px; border-top:1px solid var(--line); color:#7f91a7; font:500 10px "DM Mono",monospace; }.profile-code b { color:var(--mint); }
.toast-dialog { border:1px solid var(--line); border-radius:8px; padding:0 18px; background:#173149; color:var(--ink); }.toast-dialog p { margin:13px 0; font-size:12px; }
.teacher-modal { width:min(620px,calc(100% - 30px)); }.teacher-modal h3 { margin:24px 0 10px; font-size:13px; }.teacher-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }.teacher-stats b { padding:14px; border:1px solid var(--line); border-radius:8px; color:var(--mint); font:500 24px "DM Mono",monospace; }.teacher-stats small { display:block; margin-top:4px; color:var(--dim); font:11px Manrope,sans-serif; }.teacher-list { display:grid; gap:7px; max-height:240px; overflow:auto; }.teacher-list label,.teacher-list p { display:flex; justify-content:space-between; align-items:center; margin:0; padding:10px 12px; border:1px solid var(--line); border-radius:7px; color:#b8c6d6; font-size:12px; }.teacher-list input { accent-color:var(--mint-deep); }
@keyframes float { 0%,100%{transform:translateY(0) rotate(-8deg)} 50%{transform:translateY(-14px) rotate(-5deg)} }
@media (max-width:1050px) { .auth-view { grid-template-columns:1fr; }.auth-art { display:none; }.auth-panel { padding:40px 28px; }.app-view { grid-template-columns:205px 1fr; }.mission-grid { grid-template-columns:1fr; }.scene-panel { min-height:560px; }.scene-stage { min-height:390px; } }
@media (max-width:700px) { .app-view { display:block; }.sidebar { min-height:0; height:auto; padding:16px; border-right:0; border-bottom:1px solid var(--line); }.sidebar-brand { display:inline-flex; }.season-label { margin:22px 4px 8px; }.main-nav { display:flex; gap:4px; }.nav-item { flex:1; justify-content:center; padding:9px 4px; font-size:11px; }.sidebar-bottom { display:none; }.main-content { padding:24px 16px 40px; }.topbar { margin-bottom:28px; }.topbar h2 { font-size:20px; }.xp-pill small { display:none; }.mission-grid { gap:14px; }.scene-panel { min-height:480px; }.scene-stage { min-height:320px; }.lesson-panel { padding:21px 17px 16px; }.lesson-panel h1 { font-size:25px; }.next-lesson-list { grid-template-columns:1fr; }.map-card { grid-template-columns:40px 1fr auto; }.map-skill { display:none; }.report-grid { gap:8px; }.report-stat { padding:14px; }.report-stat b { font-size:22px; }.section-head { align-items:start; gap:12px; }.text-button { white-space:nowrap; } }
@media (prefers-reduced-motion:reduce) { *,*:before,*:after { animation-duration:.001ms !important; transition-duration:.001ms !important; } }