@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/assets/space-grotesk-vietnamese-wght-normal-D0rl6rjA.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/assets/space-grotesk-latin-ext-wght-normal-D9tNdqV9.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/assets/space-grotesk-latin-wght-normal-BhU9QXUp.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Space Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/space-mono-vietnamese-400-normal-BNOj0Qhp.woff2) format("woff2"),url(/assets/space-mono-vietnamese-400-normal-B0PMp_xB.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Space Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/space-mono-latin-ext-400-normal-DTLbW2xa.woff2) format("woff2"),url(/assets/space-mono-latin-ext-400-normal-D4cJI_B-.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Space Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/space-mono-latin-400-normal-Rg4St2Dn.woff2) format("woff2"),url(/assets/space-mono-latin-400-normal-_3DlpgIW.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg: #0e1220;--bg-glow: #171c30;--edge: #262b52;--tile: #232a4a;--tile-edge: #2e3768;--ink: #eaecff;--muted: #8a91b4;--accent: #53e0e0;--win: #c6f94f;--danger: #ff4757;--plate: #f5a623;--radius-panel: 16px;--radius-btn: 9px;--font-ui: "Space Grotesk Variable", sans-serif;--font-mono: "Space Mono", monospace;--mission-bar-h: 64px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-ui);color:var(--ink);background:radial-gradient(1.5px 1.5px at 22% 18%,rgba(255,255,255,.14) 50%,transparent 51%),radial-gradient(1px 1px at 68% 62%,rgba(255,255,255,.1) 50%,transparent 51%),radial-gradient(1.5px 1.5px at 85% 30%,rgba(255,255,255,.08) 50%,transparent 51%),radial-gradient(1px 1px at 40% 85%,rgba(255,255,255,.1) 50%,transparent 51%),radial-gradient(ellipse at 70% 20%,#182040 0%,var(--bg) 55%);background-size:260px 260px,200px 200px,320px 320px,240px 240px,100% 100%}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-title{font-size:21px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}input,textarea{font-family:var(--font-mono);font-size:14px;color:var(--ink);background:#0e1220b3;border:1px solid var(--edge);border-radius:var(--radius-btn);padding:9px 12px}input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.join-screen{min-height:100svh;display:grid;place-items:center;padding:24px}.join-panel{width:min(430px,100%);padding:28px;display:flex;flex-direction:column;gap:16px}.join-blurb{color:var(--muted);font-size:14px}.join-label{display:flex;flex-direction:column;gap:6px;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted)}.join-code{font-size:24px;letter-spacing:.35em;text-transform:uppercase;text-align:center}.join-error{color:var(--danger);font-size:13px}.join-submit{padding:12px;font-size:15px}.session-shell{height:100svh;display:flex;flex-direction:column;overflow:hidden}.stage-area{position:relative;flex:1;min-height:0;display:flex;align-items:stretch;overflow:hidden}.placeholder{margin:auto;padding:40px;color:var(--muted)}.briefing{margin:auto;max-width:560px;padding:36px;display:flex;flex-direction:column;gap:18px}.briefing h1{letter-spacing:.12em}.briefing p{color:var(--muted);line-height:1.5}.mission-bar{min-height:var(--mission-bar-h);display:flex;align-items:center;gap:16px;padding:10px 18px;background:#0e1220eb;border-top:1px solid var(--edge)}.mission-objective{flex:1;font-size:14px;line-height:1.35}.mission-progress{font-family:var(--font-mono);color:var(--accent);margin-right:10px}.mission-hint{font-size:13px;color:var(--plate);margin-top:4px}.mission-actions{display:flex;align-items:center;gap:8px}.code-entry{width:190px;text-transform:uppercase;letter-spacing:.12em}.code-entry.is-shake{animation:code-shake .35s ease;border-color:var(--danger)}@keyframes code-shake{0%,to{translate:0 0}20%{translate:-6px 0}40%{translate:5px 0}60%{translate:-4px 0}80%{translate:3px 0}}.desktop-stage{position:relative;flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden;-webkit-user-select:none;user-select:none}.dt-wallpaper{position:absolute;inset:0 0 40px;background:radial-gradient(1px 1px at 30% 40%,rgba(120,240,240,.09) 50%,transparent 51%),radial-gradient(1.5px 1.5px at 75% 70%,rgba(120,240,240,.07) 50%,transparent 51%),linear-gradient(160deg,#0c1626,#0f1f2e 55%,#0c1a24);background-size:220px 220px,300px 300px,100% 100%;padding:18px;overflow:auto}.dt-wallpaper-brand{position:absolute;right:26px;bottom:18px;display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-family:var(--font-mono);letter-spacing:.3em;font-size:22px;color:#78f0f029;pointer-events:none}.dt-wallpaper-sub{font-size:10px;letter-spacing:.12em;color:#78f0f038}.icon-grid{display:grid;grid-template-columns:repeat(auto-fill,96px);grid-auto-rows:104px;gap:6px;align-content:start;min-height:100%;border-radius:10px}.icon-grid.is-drop-target{outline:2px dashed rgba(83,224,224,.5);outline-offset:-4px}.icon-grid-empty{grid-column:1 / -1;padding:24px 8px;color:var(--muted);font-size:13px}.fs-icon{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px 6px;border-radius:10px;border:1px solid transparent;cursor:default;text-align:center}.fs-icon:hover{background:#78f0f012}.fs-icon.is-selected{background:#53e0e029;border-color:#53e0e08c}.fs-icon.is-cut{opacity:.55}.fs-icon.is-drop-target{background:#c6f94f1f;border-color:#c6f94fa6}.fs-glyph{width:44px;height:44px;pointer-events:none}.icon-label{font-size:12px;line-height:1.25;color:var(--ink);word-break:break-word;max-height:32px;overflow:hidden;text-shadow:0 1px 3px rgba(0,0,0,.7)}.icon-rename{width:92px;font-size:12px;padding:2px 4px;text-align:center;border-color:var(--accent)}.wm-layer{position:absolute;inset:0 0 40px;pointer-events:none}.wm-layer>*{pointer-events:auto}.window{display:flex;flex-direction:column;width:100%;height:100%;background:#131a2e;border:1px solid var(--edge);border-radius:12px;box-shadow:0 14px 34px #00000080;overflow:hidden}.window.is-focused{border-color:#53e0e099;box-shadow:0 16px 40px #0009,0 0 0 1px #53e0e040}.window-titlebar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 10px;background:#1a2140;border-bottom:1px solid var(--edge);cursor:grab;flex:none}.window.is-focused .window-titlebar{background:#202a52}.window-title{font-size:12.5px;font-weight:600;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.window-controls{display:flex;gap:6px}.window-btn{width:22px;height:22px;border-radius:6px;border:1px solid var(--edge);background:#0e122099;color:var(--muted);font-size:12px;line-height:1;cursor:pointer}.window-btn:hover{color:var(--ink);background:#2a3358}.window-btn-close:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.window-body{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}.window.is-crt .window-body:after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.14) 0 1px,transparent 1px 3px);mix-blend-mode:multiply}.explorer{display:flex;flex-direction:column;height:100%}.explorer-bar{display:flex;align-items:center;gap:8px;padding:6px 10px;border-bottom:1px solid var(--edge);background:#0e122073;flex:none}.explorer-back{padding:3px 10px;font-size:15px}.explorer-crumbs{display:flex;align-items:center;flex-wrap:wrap;font-size:12.5px;min-width:0}.crumb{background:none;border:none;color:var(--accent);font-size:12.5px;cursor:pointer;padding:2px 4px;border-radius:5px}.crumb:hover:not(:disabled){background:#53e0e01f}.crumb.is-current{color:var(--ink);cursor:default}.crumb-sep{color:var(--muted);margin:0 2px}.explorer-body{flex:1;min-height:0;overflow:auto;padding:12px}.notepad{height:100%;overflow:auto;background:#10152a}.notepad-text{font-family:var(--font-mono);font-size:14.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word;padding:18px 20px;color:var(--ink);-webkit-user-select:text;user-select:text}.notepad-image{display:grid;place-items:center}.image-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);font-size:13px;padding:18px}.image-placeholder-art{width:200px;height:130px;border-radius:8px;border:1px solid var(--edge);background:linear-gradient(135deg,rgba(83,224,224,.25) 0%,transparent 45%),linear-gradient(315deg,rgba(245,194,107,.3) 0%,transparent 50%),#1a2140}.image-placeholder-sub{font-size:11px;opacity:.7}.terminal{height:100%;overflow:auto;background:#0a0f14;padding:10px 12px;font-family:var(--font-mono);font-size:13px;line-height:1.55;cursor:text}.term-line{white-space:pre-wrap;word-break:break-all;color:#8de08d}.term-input,.term-line.term-input{color:#d5f0d5}.term-error{color:#ff8a95}.term-active{display:flex;gap:8px;align-items:baseline}.term-prompt{color:#53e0e0;white-space:nowrap}.terminal .term-input{flex:1;background:none;border:none;padding:0;font-family:var(--font-mono);font-size:13px;color:#d5f0d5;caret-color:#8de08d}.terminal .term-input:focus-visible{outline:none}.vault{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;background:radial-gradient(circle at 50% 30%,rgba(83,224,224,.08),transparent 60%),#0d1322}.vault-status{font-family:var(--font-mono);font-size:15px;letter-spacing:.3em;color:var(--accent)}.vault-status-open{color:var(--win)}.vault-sub{font-size:13px;color:var(--muted);text-align:center}.vault-input{width:100%;max-width:260px;font-size:18px;text-align:center;letter-spacing:.2em;text-transform:uppercase}.vault-input.is-shake{animation:code-shake .35s ease;border-color:var(--danger)}.vault-submit{min-width:160px}.vault-door{width:84px;height:84px;border-radius:50%;border:5px solid var(--win);box-shadow:0 0 26px #c6f94f80,inset 0 0 18px #c6f94f4d;animation:vault-spin .9s cubic-bezier(.2,.9,.3,1.1);position:relative}.vault-door:after{content:"";position:absolute;inset:16px;border-radius:50%;border:3px dashed rgba(198,249,79,.7)}@keyframes vault-spin{0%{transform:rotate(-220deg) scale(.7);opacity:0}to{transform:rotate(0) scale(1);opacity:1}}.vault-reveal{font-family:var(--font-mono);font-size:15px;color:var(--ink);text-align:center;white-space:pre-wrap;max-width:320px;-webkit-user-select:text;user-select:text}.dt-taskbar{position:absolute;left:0;right:0;bottom:0;height:40px;display:flex;align-items:center;gap:6px;padding:0 12px;background:#080c14eb;border-top:1px solid rgba(83,224,224,.25)}.dt-taskbar-logo{color:var(--accent);font-size:16px;margin-right:6px}.dt-task{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-ui);font-size:12px;color:var(--muted);background:#171c30cc;border:1px solid var(--edge);border-radius:7px;padding:5px 12px;cursor:pointer}.dt-task:hover{color:var(--ink)}.dt-task.is-focused{color:var(--ink);border-color:#53e0e08c;background:#53e0e01f}.dt-task.is-min{opacity:.55;font-style:italic}.context-menu{position:fixed;z-index:1000;min-width:172px;padding:5px;background:#101528fa;border:1px solid var(--edge);border-radius:10px;box-shadow:0 12px 30px #0000008c;display:flex;flex-direction:column}.context-item{text-align:left;font-family:var(--font-ui);font-size:13px;color:var(--ink);background:none;border:none;border-radius:6px;padding:7px 12px;cursor:pointer}.context-item:hover:not(:disabled){background:#53e0e029}.context-item:disabled{color:var(--muted);opacity:.5;cursor:default}.context-item.is-danger:hover:not(:disabled){background:#ff475733;color:#ffb3ba}.context-item.has-separator{border-top:1px solid var(--edge);border-radius:0 0 6px 6px;margin-top:4px;padding-top:9px}.dt-dialog-backdrop{position:absolute;inset:0;z-index:500;background:#05080f8c;display:grid;place-items:center}.dt-dialog{max-width:400px;padding:22px 24px;display:flex;flex-direction:column;gap:12px}.dt-dialog h3{font-size:15px;letter-spacing:.04em}.dt-dialog p{font-size:13.5px;color:var(--muted);line-height:1.5;white-space:pre-wrap}.dt-dialog-actions{display:flex;justify-content:flex-end;gap:8px}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.mission-timer{font-family:var(--font-mono);font-size:15px;font-variant-numeric:tabular-nums;color:var(--accent);padding:4px 8px}.mission-timer.is-low{color:var(--danger);animation:timer-pulse 1s ease-in-out infinite}@keyframes timer-pulse{0%,to{opacity:1}50%{opacity:.45}}.access-flash{position:fixed;inset:0;z-index:2000;display:grid;place-items:center;pointer-events:none;background:radial-gradient(circle at 50% 50%,#c6f94f38,#090e08e6);animation:flash-fade .9s ease-out forwards}.access-flash span{font-family:var(--font-mono);font-size:clamp(34px,7vw,72px);font-weight:700;letter-spacing:.18em;color:var(--win);text-shadow:0 0 34px rgba(198,249,79,.8);animation:flash-zoom .9s cubic-bezier(.16,.9,.3,1.05) forwards}@keyframes flash-fade{0%{opacity:0}12%{opacity:1}75%{opacity:1}to{opacity:0}}@keyframes flash-zoom{0%{transform:scale(.8)}18%{transform:scale(1.04)}to{transform:scale(1)}}.tutor-main{min-height:100svh;display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px}.tutor-code{font-family:var(--font-mono);font-size:56px;letter-spacing:.25em;color:var(--accent);text-align:center}.tutor-student{font-size:14px;padding:6px 0;border-bottom:1px solid var(--edge)}.inspector{width:380px;flex:none;display:flex;flex-direction:column;gap:10px;padding:12px;background:#0a0d18f2;border:1px solid var(--edge);border-radius:var(--radius-panel);font-size:12px;overflow:auto}.inspector-head{display:flex;justify-content:space-between;align-items:center;letter-spacing:.1em}.sync-badge{font-family:var(--font-mono);font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--edge)}.sync-idle{color:var(--win)}.sync-syncing{color:var(--accent)}.sync-retrying{color:var(--danger)}.inspector-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}.inspector-state{font-family:var(--font-mono);font-size:10px;max-height:180px;overflow:auto;color:var(--muted)}.inspector-feed{flex:1;min-height:120px;overflow:auto}.inspector-event{padding:3px 0;border-bottom:1px solid rgba(38,43,82,.5)}.inspector-event pre{font-size:10px;color:var(--muted);white-space:pre-wrap;word-break:break-all}.event-seq{font-family:var(--font-mono);color:var(--muted)}.event-type{color:var(--accent);font-weight:600}.event-t{float:right;font-family:var(--font-mono);color:var(--muted)}.inspector-rejection{color:var(--danger);font-family:var(--font-mono);font-size:11px}.inspector-console-row{display:flex;gap:8px;align-items:center;margin-top:6px}.inspector-error{color:var(--danger);font-size:11px}.inspector textarea{width:100%;font-size:11px}.inspector-toggle{position:fixed;right:14px;bottom:calc(var(--mission-bar-h) + 14px);z-index:99;font-family:var(--font-mono);font-size:11px;color:var(--muted);background:#0a0d18e6;border:1px solid var(--edge);border-radius:999px;padding:6px 12px;cursor:pointer}.stage-blocks{flex:1;min-width:0;display:flex;flex-direction:column;gap:12px;padding:14px 20px 16px;overflow:hidden}.picker-tab.is-locked{opacity:.4;cursor:default}.app-header{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:2px 2px 10px;border-bottom:1px solid var(--edge)}.header-startover{margin-left:auto}.app-title{font-size:21px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}.app-title:after{content:"";display:inline-block;width:8px;height:8px;margin-left:10px;border-radius:50%;background:var(--accent);vertical-align:middle}.puzzle-picker{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.picker-tab{font-family:var(--font-ui);font-size:14px;font-weight:600;color:var(--muted);background:var(--bg-glow);border:1px solid var(--edge);border-radius:var(--radius-btn);padding:8px 14px;cursor:pointer;transition:color .12s,border-color .12s,transform .12s}.picker-tab:hover{color:var(--ink);transform:translateY(-1px)}.picker-tab.is-active{color:#0e1220;background:var(--accent);border-color:var(--accent)}.picker-startover{margin-left:6px}.workspace{display:grid;grid-template-columns:minmax(320px,var(--split, 55%)) 14px minmax(360px,1fr);align-items:stretch;flex:1;min-height:0}.split-handle{align-self:stretch;display:flex;align-items:center;justify-content:center;cursor:col-resize;touch-action:none}.split-handle:before{content:"";width:4px;height:56px;border-radius:2px;background:var(--edge);transition:background .12s,height .12s}.split-handle:hover:before,.split-handle:active:before{background:var(--accent);height:96px}.panel{background:var(--bg-glow);border:1px solid var(--edge);border-radius:var(--radius-panel);box-shadow:0 8px 24px #00000059;overflow:hidden}.editor-panel{padding:8px;background:#111527;height:100%;min-height:0;display:flex}.blockly-host{flex:1;min-height:0;border-radius:10px;overflow:hidden}.editor-panel .blocklyScrollbarBackground,.editor-panel .blocklyScrollbarHandle{display:none}.editor-panel .blocklyZoom,.editor-panel .blocklyTrash{opacity:.4;transition:opacity .15s}.editor-panel .blocklyZoom:hover,.editor-panel .blocklyTrash:hover{opacity:.9}.stage-column{display:flex;flex-direction:column;gap:12px;height:100%;min-height:0}.stage-panel{position:relative;flex:1;min-height:0;padding:14px 18px 18px;display:flex;flex-direction:column;gap:8px}.stage-caption{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding-bottom:8px;border-bottom:1px solid var(--edge)}.stage-title{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);white-space:nowrap}.stage-blurb{font-size:13px;color:var(--muted)}.control-panel{padding:10px 16px;display:flex;align-items:center;gap:16px;justify-content:space-between;flex-wrap:wrap}.btn{font-family:var(--font-ui);font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink);background:#222948;border:1px solid var(--edge);border-radius:var(--radius-btn);padding:8px 14px;cursor:pointer;transition:transform .12s,filter .12s}.btn:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.15)}.btn:disabled{opacity:.35;cursor:default}.btn:focus-visible,.picker-tab:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-run{color:#10250f;background:var(--win);border-color:var(--win)}.btn-ghost{background:transparent}.control-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.score-panel{display:flex;gap:8px}.stat{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius-btn);border:1px solid var(--edge);background:#0e122080}.stat-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.stat strong{font-family:var(--font-mono);font-size:14px;font-variant-numeric:tabular-nums;color:var(--ink)}.score-panel.is-perfect .stat strong{color:var(--win)}.stage{position:relative;flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center}.stage:before{content:"";position:absolute;inset:8% 4%;background:radial-gradient(ellipse 65% 55% at 50% 52%,rgba(83,224,224,.055) 0%,rgba(83,224,224,.02) 45%,transparent 70%);pointer-events:none}.stage-fit{position:relative;overflow:visible}.stage-board{position:absolute;left:0;top:0;transform-origin:top left}.stage-tile{position:absolute;width:52px;height:52px;background:var(--tile);border:1.5px solid var(--tile-edge);border-radius:10px;box-shadow:inset 0 1px #ffffff0f}.stage-target{position:absolute;width:52px;height:52px;border:2.5px dashed;border-radius:10px;opacity:.75;display:grid;place-items:center;font-size:22px;font-weight:700}.stage-plate{position:absolute;width:52px;height:52px;display:grid;place-items:center;pointer-events:none}.stage-plate:before{content:"";width:26px;height:26px;border-radius:50%;border:3px solid var(--plate);opacity:.5;transition:opacity .2s,box-shadow .2s,background .2s}.stage-plate.is-held:before{opacity:1;background:color-mix(in srgb,var(--plate) 30%,transparent);box-shadow:0 0 14px var(--plate)}.stage-gate{position:absolute;width:52px;height:52px;border-radius:10px;overflow:hidden;border:1.5px solid color-mix(in srgb,var(--danger) 75%,transparent);transition:border-color .25s,box-shadow .25s;z-index:1}.stage-gate-bars{position:absolute;inset:4px;border-radius:6px;background:repeating-linear-gradient(90deg,#ff4757cc 0 5px,#ff475726 5px 12px);transition:transform .28s ease,opacity .28s ease}.stage-gate.is-open{border-color:color-mix(in srgb,var(--win) 70%,transparent);box-shadow:0 0 12px #c6f94f4d}.stage-gate.is-open .stage-gate-bars{transform:translateY(-110%);opacity:0}.stage-star{position:absolute;width:52px;height:52px;display:grid;place-items:center;font-size:24px;color:#ffd84d;text-shadow:0 0 10px rgba(255,216,77,.65);animation:star-twinkle 2.2s ease-in-out infinite;transition:transform .35s ease,opacity .35s ease;pointer-events:none;z-index:1}.stage-star.is-collected{opacity:0;transform:scale(1.9);animation:none}@keyframes star-twinkle{0%,to{transform:scale(1);opacity:.95}50%{transform:scale(.86);opacity:.7}}.stat-stars strong{color:#ffd84d}.stage-sprite{position:absolute;left:0;top:0;border-radius:12px;background:linear-gradient(180deg,color-mix(in srgb,var(--sprite-color) 72%,#ffffff 28%),var(--sprite-color) 62%);border:1px solid rgba(0,0,0,.3);transition:transform .3s ease;box-shadow:0 4px 10px #00000059,0 0 16px color-mix(in srgb,var(--sprite-color) 40%,transparent);z-index:2}.stage-sprite.no-anim{transition:none}.stage-sprite-eyes{position:absolute;top:11px;left:50%;transform:translate(-50%);display:flex;gap:6px}.stage-sprite-eyes .eye{position:relative;width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:inset 0 1px 1px #0003}.stage-sprite-eyes .eye:after{content:"";position:absolute;width:4.5px;height:4.5px;border-radius:50%;background:#10131f;left:2.75px;top:2.75px;transition:transform .16s ease}.stage-sprite-eyes[data-facing=left] .eye:after{transform:translate(-2px)}.stage-sprite-eyes[data-facing=right] .eye:after{transform:translate(2px)}.stage-sprite-eyes[data-facing=up] .eye:after{transform:translateY(-2px)}.stage-sprite-eyes[data-facing=down] .eye:after{transform:translateY(2px)}.stage-sprite-num{position:absolute;right:-4px;bottom:-4px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:#10131f;border:1px solid rgba(255,255,255,.3);color:#fff;font-family:var(--font-mono);font-size:10px;font-weight:700;display:grid;place-items:center}.stage-sprite.is-home{box-shadow:0 4px 10px #00000059,0 0 18px 4px #c6f94f73}.stage-sprite-pulse{position:absolute;inset:-6px;border-radius:16px;border:2px solid rgba(255,255,255,.65);animation:wait-pulse .6s ease-out forwards;pointer-events:none}@keyframes wait-pulse{0%{opacity:.9;transform:scale(.85)}to{opacity:0;transform:scale(1.25)}}.stage.is-crashed{animation:crash-shake .45s ease;box-shadow:inset 0 0 60px 10px #ff475759}.stage-sprite.is-crashed{outline:3px solid var(--danger);outline-offset:2px;animation:crash-shake .45s ease;z-index:3}@keyframes crash-shake{0%,to{translate:0 0}20%{translate:-6px 0}40%{translate:5px 0}60%{translate:-4px 0}80%{translate:3px 0}}.stage.is-won .stage-target{animation:win-bloom .9s ease-out}@keyframes win-bloom{0%{box-shadow:0 0 0 0 currentColor;opacity:1}to{box-shadow:0 0 0 18px transparent;opacity:.75}}.banner{position:absolute;left:16px;right:16px;bottom:16px;padding:16px 18px;border-radius:14px;background:#0e1220f0;border:1.5px solid var(--edge);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:banner-in .26s cubic-bezier(.2,.9,.3,1.1);z-index:5}@keyframes banner-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.banner h2{font-size:18px;margin-bottom:4px}.banner p{font-size:14px;color:var(--muted)}.banner-hint{font-size:13px}.banner-actions{display:flex;gap:8px;margin-top:10px}.banner-crash{border-color:var(--danger);box-shadow:0 0 24px #ff475759}.banner-win{border-color:var(--win);box-shadow:0 0 24px #c6f94f4d}.banner-win h2{color:var(--win)}.status-ribbon{padding:8px 12px;border-radius:10px;background:#0e1220b3;border:1px solid var(--edge);border-left-width:3px;font-size:12.5px;color:var(--muted);animation:ribbon-in .22s ease-out}@keyframes ribbon-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.ribbon-incomplete{border-left-color:#f5a623}.ribbon-stale{border-left-color:var(--accent);color:var(--ink)}.warnings-banner{padding:10px 14px;border-radius:12px;background:#ffab191f;border:1px solid rgba(255,171,25,.5);font-size:13px;color:#ffd88a;display:flex;flex-direction:column;gap:4px}@media(max-width:1024px){.app{height:auto;min-height:100svh;overflow:visible}.workspace{grid-template-columns:1fr;gap:12px}.split-handle{display:none}.editor-panel{height:auto}.blockly-host{height:clamp(380px,55vh,560px);flex:none;width:100%}.stage-column{height:auto}.stage{min-height:300px}}.typing-stage{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;padding:24px}.typing-header{display:flex;flex-direction:column;align-items:center;gap:6px}.typing-kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.4em;color:var(--accent)}.typing-level{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}.typing-phrase{font-family:var(--font-mono);font-size:clamp(20px,3.2vw,32px);line-height:1.6;max-width:860px;text-align:center;white-space:pre-wrap}.typing-char{color:var(--muted)}.typing-char.is-ok{color:var(--win)}.typing-char.is-bad{color:#fff;background:#ff47578c;border-radius:3px}.typing-input{width:min(720px,92%);font-size:19px;padding:14px 18px;text-align:center}.typing-send{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;color:var(--muted)}.typing-send.is-ready{color:var(--win)}.boot-sequence{position:fixed;inset:0;z-index:1500;background:#05070d;display:flex;align-items:center;justify-content:center;cursor:pointer}.boot-lines{font-family:var(--font-mono);font-size:15px;line-height:1.9;color:#8de08d;min-width:min(560px,90vw)}.boot-line-final{color:var(--win);font-weight:700;letter-spacing:.1em;text-shadow:0 0 18px rgba(198,249,79,.6)}.boot-cursor{display:inline-block;animation:boot-blink .9s steps(1) infinite;color:#8de08d}@keyframes boot-blink{50%{opacity:0}}.boot-skip{position:absolute;right:22px;bottom:20px;font-family:var(--font-mono);font-size:12px;color:var(--muted);background:none;border:1px solid var(--edge);border-radius:999px;padding:6px 14px;cursor:pointer}.debrief{margin:auto;max-width:560px;padding:40px;display:flex;flex-direction:column;gap:18px;text-align:center;align-items:center}.debrief h1{letter-spacing:.14em;color:var(--win)}.debrief p{color:var(--muted);line-height:1.55}.debrief-badge{font-size:34px;color:var(--accent);background:none;border:none;cursor:default}.debrief-sync{font-family:var(--font-mono);font-size:13px;color:var(--accent)}.debrief-sync.is-done{color:var(--win)}.tutor-layout{display:flex;min-height:100svh;align-items:stretch}.tutor-layout .tutor-main{flex:1;min-width:0;align-items:stretch}.tutor-wide{width:min(680px,100%)}.tutor-topbar{display:flex;align-items:center;gap:14px;width:100%}.tutor-code-small{font-size:28px;letter-spacing:.2em}.tutor-count{margin-left:auto;font-family:var(--font-mono);font-size:13px;color:var(--muted)}.tutor-session-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--edge);font-size:14px}.tutor-session-status{font-family:var(--font-mono);font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--edge);color:var(--muted)}.tutor-session-status.is-live{color:var(--win);border-color:#c6f94f80}.tutor-session-status.is-ended{opacity:.55}.tutor-session-code{font-family:var(--font-mono);letter-spacing:.15em;color:var(--accent)}.tutor-session-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}.tutor-session-actions{display:flex;gap:6px}.tutor-roster{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:12px;width:100%;align-items:start}.tutor-card{text-align:left;padding:14px 16px;display:flex;flex-direction:column;gap:8px;cursor:pointer;border:1px solid var(--edge);color:var(--ink);font-family:var(--font-ui);font-size:14px}.tutor-card:hover{border-color:#53e0e080}.tutor-card-head{display:flex;justify-content:space-between;align-items:baseline;font-size:15px}.tutor-age{font-family:var(--font-mono);font-size:12px;color:var(--muted)}.tutor-age.is-amber{color:var(--plate);font-weight:700}.tutor-age.is-red{color:var(--danger);font-weight:700;animation:timer-pulse 1s infinite}.tutor-card-stage{font-size:12px;color:var(--accent);font-family:var(--font-mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tutor-dots{display:flex;gap:4px;flex-wrap:wrap}.tutor-dot{width:9px;height:9px;border-radius:50%;border:1px solid var(--edge);background:#0e122099}.tutor-dot.is-done{background:var(--win);border-color:var(--win)}.tutor-card-stat{font-size:13px;color:var(--muted)}.tutor-detail{width:380px;flex:none;margin:32px 24px 32px 0;padding:16px;display:flex;flex-direction:column;gap:12px;max-height:calc(100svh - 64px)}.tutor-detail-head{display:flex;justify-content:space-between;align-items:center;font-size:16px}.tutor-detail-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.tutor-sent{font-family:var(--font-mono);font-size:12px;color:var(--win)}.tutor-feed{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column;gap:2px}.tutor-feed-line{font-size:12.5px;padding:4px 0;border-bottom:1px solid rgba(38,43,82,.4);color:var(--ink)}.tutor-feed-t{font-family:var(--font-mono);color:var(--muted);margin-right:8px;font-size:11px}.sync-chip{font-family:var(--font-mono);font-size:11.5px;color:var(--plate);border:1px solid rgba(245,166,35,.45);border-radius:999px;padding:4px 10px;white-space:nowrap}.tutor-card-head-right{display:flex;align-items:center;gap:8px}.tutor-remove{width:22px;height:22px;border-radius:6px;border:1px solid var(--edge);background:#0e122099;color:var(--muted);font-size:11px;line-height:1;cursor:pointer}.tutor-remove:hover{background:var(--danger);border-color:var(--danger);color:#fff}.tutor-feed-inline{flex:none;max-height:168px;border-top:1px solid var(--edge);border-bottom:1px solid var(--edge);padding:6px 0}.tutor-join-hint{font-size:13px;color:var(--muted)}.tutor-confirm{display:flex;flex-direction:column;gap:8px;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,71,87,.55);background:#ff475714;font-size:13px}.tutor-confirm-actions{display:flex;gap:8px;justify-content:flex-end}.pause-veil{position:fixed;inset:0;z-index:2100;display:grid;place-items:center;background:radial-gradient(120% 90% at 50% 110%,rgba(83,224,224,.08),transparent 55%),radial-gradient(90% 70% at 50% -10%,#232a4ae6,#0e1220fa 70%);-webkit-backdrop-filter:blur(7px) saturate(.8);backdrop-filter:blur(7px) saturate(.8);animation:veil-in .45s cubic-bezier(.22,.7,.3,1)}@keyframes veil-in{0%{opacity:0;-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px)}to{opacity:1}}.pause-scan{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(83,224,224,.028) 3px 4px);-webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent)}.pause-scan:after{content:"";position:absolute;left:0;right:0;height:140px;background:linear-gradient(180deg,transparent,rgba(83,224,224,.07),transparent);animation:scan-sweep 4.5s linear infinite}@keyframes scan-sweep{0%{top:-140px}to{top:100%}}.pause-frame{position:relative;text-align:center;padding:48px clamp(28px,6vw,72px);animation:frame-rise .6s cubic-bezier(.22,.7,.3,1) .1s backwards}@keyframes frame-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.pause-ring{width:92px;height:92px;margin:0 auto 26px;border-radius:50%;border:2px solid rgba(83,224,224,.55);display:grid;place-items:center;box-shadow:0 0 #53e0e059,inset 0 0 24px #53e0e01f;animation:ring-breathe 2.4s ease-in-out infinite}@keyframes ring-breathe{0%,to{box-shadow:0 0 #53e0e059,inset 0 0 24px #53e0e01f}50%{box-shadow:0 0 0 18px #53e0e000,inset 0 0 30px #53e0e033}}.pause-bars{display:inline-flex;gap:10px}.pause-bars i{display:block;width:10px;height:34px;border-radius:3px;background:var(--accent);box-shadow:0 0 14px #53e0e099}.pause-kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.42em;color:var(--accent);margin-bottom:14px;animation:kicker-blink 2.4s steps(1) infinite}@keyframes kicker-blink{0%,92%,to{opacity:1}94%,98%{opacity:.35}}.pause-title{font-family:var(--font-ui);font-weight:700;font-size:clamp(34px,6vw,56px);letter-spacing:.06em;margin:0 0 14px;color:var(--ink);text-shadow:0 0 34px rgba(83,224,224,.35)}.pause-line{font-family:var(--font-mono);font-size:14px;line-height:1.9;color:var(--muted);margin:0}.holding-screen{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(100% 80% at 50% 120%,rgba(198,249,79,.05),transparent 55%),radial-gradient(closest-side at 50% 0%,var(--bg-glow),var(--bg));overflow:hidden}.holding-screen:before{content:"";position:absolute;inset:-50%;background:radial-gradient(1.5px 1.5px at 20% 30%,rgba(234,236,255,.5),transparent),radial-gradient(1px 1px at 70% 60%,rgba(234,236,255,.35),transparent),radial-gradient(1.5px 1.5px at 40% 80%,rgba(234,236,255,.4),transparent),radial-gradient(1px 1px at 85% 20%,rgba(234,236,255,.3),transparent),radial-gradient(1px 1px at 10% 65%,rgba(234,236,255,.3),transparent);animation:star-drift 60s linear infinite}@keyframes star-drift{0%{transform:translateY(0)}to{transform:translateY(25%)}}.holding-frame{position:relative;text-align:center;max-width:620px;padding:40px clamp(24px,5vw,56px);border:1px solid var(--edge);border-radius:var(--radius-panel);background:#171c30bf;box-shadow:0 30px 80px #00000073,inset 0 0 60px #53e0e00a;animation:frame-rise .6s cubic-bezier(.22,.7,.3,1) backwards}.holding-kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.42em;color:var(--win);margin-bottom:16px}.holding-title{font-family:var(--font-ui);font-weight:700;font-size:clamp(28px,5vw,44px);letter-spacing:.04em;margin:0 0 10px;color:var(--ink)}.holding-line{font-family:var(--font-mono);font-size:13.5px;color:var(--muted);margin:0 0 24px}.holding-stats{display:flex;justify-content:center;gap:clamp(22px,5vw,44px);margin:0 0 26px}.holding-stat b{display:block;font-family:var(--font-ui);font-weight:700;font-size:clamp(26px,4.6vw,38px);color:var(--win);text-shadow:0 0 24px rgba(198,249,79,.35)}.holding-stat span{display:block;margin-top:4px;font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;color:var(--muted)}.holding-wait{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.3em;color:var(--accent);border:1px solid rgba(83,224,224,.35);border-radius:999px;padding:10px 20px}.holding-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 #53e0e080;animation:ring-breathe 2s ease-in-out infinite}.holding-sub{font-family:var(--font-mono);font-size:12px;color:var(--muted);margin:18px 0 0;opacity:.8}.tutor-conductor{display:flex;align-items:center;gap:10px;flex-wrap:wrap;width:100%;padding:12px 16px;border:1px solid var(--edge);border-radius:var(--radius-panel);background:#171c30b3;transition:border-color .25s ease,box-shadow .25s ease}.tutor-conductor.is-paused{border-color:#53e0e099;box-shadow:0 0 24px #53e0e026,inset 0 0 30px #53e0e00d}.tutor-conductor-pause{font-family:var(--font-mono);letter-spacing:.12em}.tutor-conductor-sep{width:1px;height:26px;background:var(--edge)}.tutor-conductor-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;color:var(--muted)}.tutor-conductor-mode{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em}.tutor-conductor-paused-note{margin-left:auto;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);animation:kicker-blink 2.4s steps(1) infinite}.tutor-paused-chip{margin-left:8px;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--accent);border:1px solid rgba(83,224,224,.45);border-radius:999px;padding:2px 8px;vertical-align:2px}.tutor-goto{font-family:var(--font-ui);font-size:13px;color:var(--ink);background:var(--tile);border:1px solid var(--tile-edge);border-radius:var(--radius-btn);padding:8px 10px}.tutor-linktool-input{font-family:var(--font-ui);font-size:13px;color:var(--ink);background:var(--tile);border:1px solid var(--tile-edge);border-radius:var(--radius-btn);padding:7px 10px;width:150px}.tutor-card-live{border-color:#c6f94f59}.tutor-livestrip{border:1px solid var(--edge);border-radius:var(--radius-btn);background:#0e12208c;padding:8px 10px}.tutor-livestrip-waiting{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-style:dashed}.tutor-live-dot{width:8px;height:8px;border-radius:50%;background:var(--win);box-shadow:0 0 10px #c6f94fb3;animation:ring-breathe 2.4s ease-in-out infinite}
