@import "https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500&display=swap";@import "https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&display=swap";:root{--bg-main:#0b0d13;--bg-header:#10131d;--bg-surface:#141724;--bg-card:#1b2030;--bg-card-hover:#22293e;--bg-viewport:#13151d;--bg-terminal:#090a0f;--cad-cyan:#00d2ff;--cad-cyan-rgb:0, 210, 255;--cad-cyan-glow:#00d2ff4d;--cad-green:#0f8;--cad-green-glow:#00ff884d;--cad-orange:#ffa502;--cad-orange-glow:#ffa5024d;--cad-red:#ff4757;--cad-yellow:#ffd32a;--cad-purple:#a55eea;--text-main:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--text-dim:#64748b;--border-subtle:#23293a;--border-bright:#333c54;--border-cyan:#00d2ff66;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:18px;--shadow-sm:0 2px 4px #0006;--shadow-md:0 8px 24px #00000080;--shadow-lg:0 16px 40px #000000a6;--shadow-glow:0 0 20px var(--cad-cyan-glow);--font-ui:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-main);width:100%;height:100%;color:var(--text-main);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5;overflow-x:hidden}#root{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4,h5,h6{color:var(--text-main);letter-spacing:-.02em;font-weight:700}p{color:var(--text-secondary)}a{color:var(--cad-cyan);text-decoration:none;transition:color .15s}a:hover{text-decoration:underline}kbd{font-family:var(--font-mono);color:var(--cad-cyan);border:1px solid var(--border-bright);background:#111420;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600;display:inline-block;box-shadow:0 1px 2px #0006}.text-cyan{color:var(--cad-cyan)}.text-green{color:var(--cad-green)}.text-warning{color:var(--cad-orange)}.text-muted{color:var(--text-muted)}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}button{cursor:pointer;border-radius:var(--radius-sm);-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.btn-primary{color:#050b14;background:linear-gradient(135deg,#00d2ff 0%,#09f 100%);padding:8px 18px;font-weight:600;box-shadow:0 2px 10px #00d2ff4d}.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 4px 16px #00d2ff80}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.btn-primary.glow-btn{box-shadow:0 0 24px var(--cad-cyan-glow)}.btn-primary.success-btn{box-shadow:0 2px 12px var(--cad-green-glow);color:#06190f;background:linear-gradient(135deg,#0f8 0%,#00b862 100%)}.btn-secondary{background:var(--bg-card);color:var(--text-main);border:1px solid var(--border-subtle);padding:8px 16px}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-bright);color:#fff}.btn-secondary:disabled{opacity:.4;cursor:not-allowed}.btn-accent{color:var(--cad-orange);background:#ffa50226;border:1px solid #ffa5024d;padding:8px 16px}.btn-accent:hover{border-color:var(--cad-orange);background:#ffa50240}.btn-large{border-radius:var(--radius-md);padding:12px 24px;font-size:15px}.btn-sm{padding:5px 12px;font-size:12px}.btn-text-sm{color:var(--cad-cyan);background:0 0;padding:4px 8px;font-size:12px}.btn-text-sm:hover{background:#00d2ff1a}.text-input{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);width:100%;color:var(--text-main);outline:none;padding:9px 14px;font-family:inherit;font-size:13px;transition:all .15s}.text-input:focus{border-color:var(--cad-cyan);box-shadow:0 0 0 3px #00d2ff26}.text-input::placeholder{color:var(--text-dim)}.modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#05070cd1;justify-content:center;align-items:center;padding:20px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-dialog{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:var(--radius-lg);width:100%;max-width:540px;max-height:90vh;box-shadow:var(--shadow-lg), 0 0 30px #00d2ff1a;flex-direction:column;animation:.25s cubic-bezier(.16,1,.3,1) modalSlideUp;display:flex;overflow:hidden}.modal-dialog.modal-large{max-width:780px}.modal-header{border-bottom:1px solid var(--border-subtle);background:var(--bg-header);justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.modal-title-wrap{align-items:center;gap:14px;display:flex}.modal-title-wrap h3{margin-bottom:2px;font-size:17px}.modal-subtitle{color:var(--text-muted);font-size:12px}.icon-badge{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.icon-badge.primary{color:var(--cad-cyan);background:#00d2ff1f;border:1px solid #00d2ff40}.icon-badge.warning{color:var(--cad-orange);background:#ffa5021f;border:1px solid #ffa50240}.icon-badge.accent{color:var(--cad-green);background:#00ff881f;border:1px solid #00ff8840}.icon-btn-close{color:var(--text-muted);border-radius:var(--radius-sm);background:0 0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.icon-btn-close:hover{background:var(--bg-card-hover);color:var(--text-main)}.modal-body{flex:1;padding:24px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-subtle);background:var(--bg-header);justify-content:flex-end;align-items:center;gap:12px;padding:16px 24px;display:flex}.info-banner{border-radius:var(--radius-sm);background:#00d2ff14;border:1px solid #00d2ff40;align-items:flex-start;gap:12px;margin-bottom:20px;padding:14px 16px;display:flex}.info-banner p{color:var(--text-secondary);margin-top:2px;font-size:13px;line-height:1.5}.guide-box{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);margin-top:20px;padding:16px}.guide-box h4{color:var(--text-secondary);margin-bottom:10px;font-size:13px}.guide-box ol{color:var(--text-secondary);flex-direction:column;gap:8px;padding-left:20px;font-size:13px;display:flex}.guide-box li strong{color:var(--text-main)}.note-text{color:var(--text-muted);margin-top:12px;font-size:11px;font-style:italic}.link-with-icon{align-items:center;gap:4px;font-weight:500;display:inline-flex}.form-group label{color:var(--text-secondary);margin-bottom:8px;font-size:12px;font-weight:600;display:block}.input-with-button{gap:8px;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.spinner-border{border:2px solid #0003;border-top-color:#050b14;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.pulse{animation:1.8s ease-in-out infinite pulseAnim}@keyframes pulseAnim{0%{opacity:.8;transform:scale(.95)}50%{opacity:1;transform:scale(1.15)}to{opacity:.8;transform:scale(.95)}}.auth-root{--c1:#0f8;--c2:#00d2ff;--c3:#8b5cf6;color:#e6edf7;background:radial-gradient(at 20% 10%,#12233a 0%,#0a0d14 55%,#06070b 100%);font-family:Outfit,system-ui,sans-serif;position:fixed;inset:0;overflow:hidden}.auth-grid{background-image:linear-gradient(#00d2ff12 1px,#0000 1px),linear-gradient(90deg,#00d2ff12 1px,#0000 1px),linear-gradient(#00d2ff06 1px,#0000 1px),linear-gradient(90deg,#00d2ff06 1px,#0000 1px);background-size:100px 100px,100px 100px,20px 20px,20px 20px;animation:18s linear infinite gridMove;position:absolute;inset:-50%;transform:perspective(900px)rotateX(58deg)translateY(0);-webkit-mask-image:radial-gradient(#000 20%,#0000 70%);mask-image:radial-gradient(#000 20%,#0000 70%)}@keyframes gridMove{to{background-position:0 100px,100px 0,0 20px,20px 0}}.auth-orb{filter:blur(90px);opacity:.45;border-radius:50%;animation:14s ease-in-out infinite alternate orbFloat;position:absolute}.orb-a{background:var(--c2);width:480px;height:480px;top:-140px;left:-120px}.orb-b{background:var(--c3);width:420px;height:420px;animation-delay:-5s;bottom:-160px;right:-80px}.orb-c{background:var(--c1);opacity:.18;width:280px;height:280px;animation-delay:-9s;top:45%;left:40%}@keyframes orbFloat{0%{transform:translate(0)scale(1)}50%{transform:translate(60px,40px)scale(1.1)}to{transform:translate(-40px,70px)scale(.95)}}.auth-blueprint{opacity:.42;pointer-events:none;max-width:54vw;height:min(90vh,780px);animation:7s ease-in-out infinite tb2Hover;position:absolute;top:50%;left:2%;transform:translateY(-50%)}@keyframes tb2Hover{0%,to{transform:translateY(-50%)rotate(-1.5deg)}50%{transform:translateY(calc(-50% - 14px))rotate(1deg)}}.bp-draw>*{fill:#00ff880f;stroke:var(--c1);stroke-width:1.8px;stroke-linejoin:round;stroke-dasharray:100;stroke-dashoffset:100px;animation:9s cubic-bezier(.6,.1,.3,1) infinite tb2Draw;animation-delay:var(--dl,0s);filter:drop-shadow(0 0 5px #00ff88b3)}.bp-draw>.thin{stroke-width:1px;opacity:.8}.bp-draw>.hidden-line{stroke-dasharray:6 4;stroke-dashoffset:0;animation:9s infinite blink;animation-delay:var(--dl)}@keyframes tb2Draw{0%{stroke-dashoffset:100px}30%,85%{stroke-dashoffset:0}to{stroke-dashoffset:-100px}}@keyframes blink{0%,15%{opacity:0}25%,85%{opacity:.9}to{opacity:0}}.bp-center line{stroke:#ff4757;stroke-width:.8px;stroke-dasharray:16 4 3 4;opacity:.6}.bp-dim,.bp-title{animation:9s infinite fadeLoop}@keyframes fadeLoop{0%,20%{opacity:0}35%,85%{opacity:1}to{opacity:0}}.bp-dim line{stroke:#ffd32a;stroke-width:.9px}.bp-dim line.ext{stroke-width:.5px;opacity:.6}.bp-dim text{fill:#ffd32a;text-anchor:middle;font:13px JetBrains Mono,monospace}.bp-title rect,.bp-title line{fill:none;stroke:#00d2ff99;stroke-width:.8px}.bp-title text{fill:#7fdcff;letter-spacing:.04em;font:9.5px JetBrains Mono,monospace}.auth-field input:-webkit-autofill{-webkit-text-fill-color:#fff;caret-color:#fff;transition:background-color 9999s ease-out;box-shadow:inset 0 0 0 1000px #151b2b!important}.auth-field input:-webkit-autofill:hover{-webkit-text-fill-color:#fff;caret-color:#fff;transition:background-color 9999s ease-out;box-shadow:inset 0 0 0 1000px #151b2b!important}.auth-field input:-webkit-autofill:focus{-webkit-text-fill-color:#fff;caret-color:#fff;transition:background-color 9999s ease-out;box-shadow:inset 0 0 0 1000px #151b2b!important}.auth-stage{z-index:2;grid-template-columns:1.1fr 1fr;align-items:center;gap:4rem;max-width:1180px;height:100%;margin:0 auto;padding:2rem 2.5rem;display:grid;position:relative}.auth-hero{animation:.9s cubic-bezier(.2,.8,.2,1) both fadeUp}.auth-logo-ring{width:64px;height:64px;color:var(--c1);background:#00ff8814;border:1px solid #00ff8859;border-radius:18px;place-items:center;animation:12s linear infinite spinSlow;display:grid;box-shadow:0 0 30px #00ff8840,inset 0 0 20px #00ff881a}.auth-logo-ring svg{animation:12s linear infinite reverse spinSlow}@keyframes spinSlow{to{transform:rotate(360deg)}}.auth-title{letter-spacing:-.03em;margin:1.4rem 0 .6rem;font-size:clamp(2.8rem,5.5vw,4.6rem);font-weight:800;line-height:1}.grad{background:linear-gradient(100deg, var(--c1), var(--c2) 45%, var(--c3) 90%);color:#0000;background-size:200%;-webkit-background-clip:text;background-clip:text;animation:6s linear infinite shine}@keyframes shine{to{background-position:200%}}.auth-tagline{color:#9aa7bd;max-width:440px;font-size:1.15rem}.auth-features{gap:.9rem;margin:2.2rem 0 0;padding:0;list-style:none;display:grid}.auth-features li{color:#c9d4e5;animation:.8s cubic-bezier(.2,.8,.2,1) both fadeUp;animation-delay:calc(.4s + var(--d));align-items:center;gap:.9rem;display:flex}.auth-features span{color:var(--c2);background:#00d2ff0f;border:1px solid #00d2ff4d;border-radius:8px;padding:.3rem .5rem;font:600 .75rem JetBrains Mono,monospace}.auth-card{--rx:0deg;--ry:0deg;--mx:50%;--my:50%;-webkit-backdrop-filter:blur(22px)saturate(140%);transform:perspective(1200px) rotateX(var(--rx)) rotateY(var(--ry));background:linear-gradient(160deg,#161c2ac7,#0c0f18d9);border-radius:26px;padding:2.2rem 2.2rem 1.6rem;transition:transform .25s ease-out;animation:1s cubic-bezier(.2,.8,.2,1) .15s both cardIn;position:relative;overflow:hidden;box-shadow:0 30px 80px #0000008c,inset 0 0 0 1px #ffffff0a}@keyframes cardIn{0%{opacity:0;transform:perspective(1200px)translateY(40px)rotateX(12deg)scale(.96)}}.auth-card-glow{pointer-events:none;background:radial-gradient(420px circle at var(--mx) var(--my), #00d2ff1f, transparent 60%);position:absolute;inset:0}.auth-card-border{border-radius:inherit;pointer-events:none;background:conic-gradient(from var(--ang,0deg), transparent 0 60%, var(--c1), var(--c2), var(--c3), transparent 95%);-webkit-mask-composite:xor;padding:1px;animation:5s linear infinite borderSpin;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}@property --ang{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes borderSpin{to{--ang:360deg}}.auth-card.shake{animation:.45s shake}@keyframes shake{20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}.auth-tabs{background:#ffffff0a;border:1px solid #ffffff0f;border-radius:14px;grid-template-columns:1fr 1fr;margin-bottom:1.8rem;padding:5px;display:grid;position:relative}.auth-tab-indicator{background:linear-gradient(120deg,#00ff8838,#00d2ff38);border-radius:10px;width:calc(50% - 5px);transition:transform .45s cubic-bezier(.65,0,.35,1.3);position:absolute;top:5px;bottom:5px;left:5px;box-shadow:0 0 20px #00d2ff40,inset 0 0 0 1px #00d2ff59}.auth-tabs[data-mode=register] .auth-tab-indicator{transform:translate(100%)}.auth-tabs button{z-index:1;cursor:pointer;color:#8592a8;background:0 0;border:0;padding:.7rem;font:600 .95rem Outfit,sans-serif;transition:color .3s;position:relative}.auth-tabs button.active{color:#fff}.auth-slider{grid-template-columns:100% 100%;transition:transform .6s cubic-bezier(.65,0,.35,1);display:grid}.auth-slider.stage-code{transform:translate(-100%)}.auth-pane{padding:0 2px;transition:opacity .4s}.auth-slider.stage-email .auth-pane:nth-child(2),.auth-slider.stage-code .auth-pane:first-child{opacity:0;pointer-events:none}.pane-title{margin:0 0 .35rem;font-size:1.55rem;font-weight:700;animation:.5s both fadeUp}.pane-sub{color:#8d9ab0;margin:0 0 1.5rem;font-size:.92rem;line-height:1.5}.auth-collapse{opacity:0;grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.65,0,.35,1),opacity .35s;display:grid}.auth-collapse>*{overflow:hidden}.auth-collapse.open{opacity:1;grid-template-rows:1fr}.auth-field{background:#ffffff09;border:1px solid #ffffff17;border-radius:14px;align-items:center;margin-bottom:1rem;transition:border-color .3s,box-shadow .3s,background .3s;display:flex;position:relative}.auth-field:focus-within{background:#00d2ff0d;border-color:#00d2ff99;box-shadow:0 0 0 4px #00d2ff1f,0 0 24px #00d2ff26}.field-icon{color:#63708a;transition:color .3s;position:absolute;left:15px}.auth-field:focus-within .field-icon{color:var(--c2)}.auth-field input{color:#fff;background:0 0;border:0;outline:0;flex:1;min-width:0;padding:1.35rem 1rem .55rem 2.8rem;font:500 1rem Outfit,sans-serif}.field-label{color:#6f7c94;pointer-events:none;transition:all .25s cubic-bezier(.2,.8,.2,1);position:absolute;top:50%;left:2.8rem;transform:translateY(-50%)}.auth-field input:focus+.field-label,.auth-field input:not(:placeholder-shown)+.field-label{color:var(--c2);letter-spacing:.02em;font-size:.72rem;top:.8rem}.field-suffix{color:#6f7c94;padding-top:.8rem;padding-right:1rem;font:500 .9rem JetBrains Mono,monospace}.auth-submit{cursor:pointer;color:#04140d;background:linear-gradient(110deg, var(--c1), var(--c2));background-size:200%;border:0;border-radius:14px;justify-content:center;align-items:center;gap:.5rem;width:100%;margin-top:.4rem;padding:1rem;font:700 1rem Outfit,sans-serif;transition:transform .2s,box-shadow .3s,background-position .6s;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px #00d2ff4d}.auth-submit:after{content:"";background:linear-gradient(120deg,#0000 30%,#ffffff8c,#0000 70%);transition:transform .7s;position:absolute;inset:0;transform:translate(-100%)}.auth-submit:hover:not(:disabled){background-position:100%;transform:translateY(-2px);box-shadow:0 16px 40px #00ff8859}.auth-submit:hover:not(:disabled):after{transform:translate(100%)}.auth-submit:active:not(:disabled){transform:translateY(0)scale(.98)}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-submit svg{transition:transform .3s}.auth-submit:hover svg{transform:translate(4px)}.auth-back{cursor:pointer;color:#8592a8;background:0 0;border:0;align-items:center;gap:.35rem;margin-bottom:1rem;padding:0;font:500 .85rem Outfit,sans-serif;display:inline-flex}.auth-back:hover{color:var(--c2)}.code-icon{width:54px;height:54px;color:var(--c1);background:#00ff881a;border:1px solid #00ff884d;border-radius:16px;place-items:center;margin-bottom:1rem;animation:2.2s ease-in-out infinite pulse;display:grid}@keyframes pulse{0%,to{box-shadow:0 0 #00ff8859}50%{box-shadow:0 0 0 12px #0f80}}.code-row{grid-template-columns:repeat(6,1fr);gap:.6rem;margin:.5rem 0 1.2rem;display:grid}.code-box{aspect-ratio:1/1.15;text-align:center;color:#fff;width:100%;animation:.5s cubic-bezier(.2,.8,.2,1.4) both popIn;animation-delay:calc(var(--i) * 60ms + .3s);background:#ffffff0a;border:1px solid #ffffff1a;border-radius:14px;outline:0;font:700 1.6rem JetBrains Mono,monospace;transition:all .25s cubic-bezier(.2,.8,.2,1)}@keyframes popIn{0%{opacity:0;transform:translateY(14px)scale(.8)}}.code-box:focus{border-color:var(--c2);transform:translateY(-3px);box-shadow:0 0 0 4px #00d2ff26}.code-box.filled{color:var(--c1);text-shadow:0 0 12px #0f89;background:#00ff8812;border-color:#00ff888c}.verifying{color:var(--c2);align-items:center;gap:.5rem;margin-bottom:.8rem;font-size:.9rem;display:flex}.auth-link{cursor:pointer;color:var(--c2);background:0 0;border:0;padding:0;font:500 .9rem Outfit,sans-serif}.auth-link:disabled{color:#5d6a80;cursor:default}.auth-alert{border-radius:12px;align-items:flex-start;gap:.55rem;margin-top:1.1rem;padding:.8rem .95rem;font-size:.88rem;line-height:1.45;animation:.35s both fadeUp;display:flex}.auth-alert svg{flex-shrink:0;margin-top:2px}.auth-alert.error{color:#ffb4bd;background:#ff47571a;border:1px solid #ff47574d}.auth-alert.warn{color:#ffe08a;background:#ffd32a14;border:1px solid #ffd32a4d;margin:0 0 1.2rem}.auth-alert code{font-family:JetBrains Mono,monospace;font-size:.82rem}.auth-foot{color:#6f7c94;border-top:1px solid #ffffff0f;justify-content:center;align-items:center;gap:.4rem;margin-top:1.5rem;padding-top:1.1rem;font-size:.8rem;display:flex}.auth-foot strong{color:#9fb0c8;font-weight:600}.spin{animation:.8s linear infinite spinSlow}@keyframes fadeUp{0%{opacity:0;transform:translateY(18px)}}.auth-splash{color:#0f8;background:#0a0d14;place-items:center;display:grid;position:fixed;inset:0}@media (width<=900px){.auth-stage{grid-template-columns:1fr;align-content:center;gap:2rem;overflow-y:auto}.auth-features,.auth-blueprint{display:none}.auth-title{margin-top:.8rem}}@media (prefers-reduced-motion:reduce){.auth-root *,.auth-root :before,.auth-root :after{transition:none!important;animation:none!important}}.admin-overlay{z-index:1000;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#04060ab3;place-items:center;animation:.25s both fadeUp;display:grid;position:fixed;inset:0}.admin-panel{color:#e6edf7;background:linear-gradient(160deg,#161c2a,#0e121b);border:1px solid #00d2ff2e;border-radius:20px;flex-direction:column;width:min(980px,94vw);max-height:88vh;font-family:Outfit,sans-serif;animation:.45s cubic-bezier(.2,.8,.2,1) both cardIn;display:flex;overflow:hidden;box-shadow:0 30px 80px #0009}.admin-head{border-bottom:1px solid #ffffff0f;justify-content:space-between;align-items:center;padding:1.1rem 1.4rem;display:flex}.admin-head-title{color:#0f8;align-items:center;gap:.6rem;display:flex}.admin-head h2{color:#fff;margin:0;font-size:1.2rem}.admin-stats{grid-template-columns:repeat(3,1fr);gap:.8rem;padding:1rem 1.4rem 0;display:grid}.admin-stats div{background:#ffffff08;border:1px solid #ffffff0f;border-radius:14px;padding:.8rem 1rem}.admin-stats strong{background:linear-gradient(100deg,#0f8,#00d2ff);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:1.6rem;display:block}.admin-stats span{color:#8592a8;font-size:.8rem}.admin-tabs{gap:.4rem;padding:1rem 1.4rem 0;display:flex}.admin-tabs button{color:#8592a8;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;align-items:center;gap:.4rem;padding:.55rem .9rem;font:600 .9rem Outfit,sans-serif;display:flex}.admin-tabs button.active{color:#fff;background:#00d2ff1a;border-color:#00d2ff4d}.admin-body{padding:1rem 1.4rem 1.4rem;overflow-y:auto}.admin-toolbar{gap:.6rem;margin-bottom:.8rem;display:flex}.admin-search{color:#6f7c94;background:#ffffff0a;border:1px solid #ffffff14;border-radius:10px;flex:1;align-items:center;gap:.5rem;padding:0 .8rem;display:flex}.admin-search input{color:#fff;background:0 0;border:0;outline:0;flex:1;padding:.65rem 0;font:500 .9rem Outfit,sans-serif}.admin-icon-btn{color:#b6c2d6;cursor:pointer;background:#ffffff08;border:1px solid #ffffff14;border-radius:9px;place-items:center;width:34px;height:34px;transition:all .2s;display:grid}.admin-icon-btn:hover{color:#00d2ff;border-color:#00d2ff80}.admin-icon-btn.danger:hover{color:#ff4757;border-color:#ff475799}.admin-table-wrap{overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;font-size:.88rem}.admin-table th{text-align:left;color:#6f7c94;border-bottom:1px solid #ffffff0f;padding:.5rem .6rem;font-weight:500}.admin-table td{color:#b6c2d6;border-bottom:1px solid #ffffff0a;padding:.65rem .6rem}.admin-table tr{transition:background .2s}.admin-table tbody tr:hover{background:#00d2ff0a}.admin-table tr.blocked{opacity:.55}.admin-user-cell{align-items:center;gap:.65rem;display:flex}.admin-avatar{color:#04140d;background:linear-gradient(135deg,#0f8,#00d2ff);border-radius:10px;place-items:center;width:32px;height:32px;font-weight:700;display:grid}.admin-user-name{color:#fff;font-weight:600}.admin-user-mail{color:#6f7c94;font:500 .78rem JetBrains Mono,monospace}.role-pill{border-radius:99px;margin-right:.3rem;padding:.18rem .55rem;font-size:.74rem;font-weight:600;display:inline-block}.role-pill.admin{color:#0f8;background:#00ff881a;border:1px solid #00ff884d}.role-pill.user{color:#00d2ff;background:#00d2ff14;border:1px solid #00d2ff40}.role-pill.banned{color:#ff4757;background:#ff47571a;border:1px solid #ff47574d}.admin-actions{justify-content:flex-end;gap:.35rem;display:flex}.admin-empty{text-align:center;color:#6f7c94;padding:1.5rem}.admin-msg{border-radius:10px;margin:.8rem 1.4rem 0;padding:.6rem .9rem;font-size:.88rem;animation:.3s both fadeUp}.admin-msg.ok{color:#7dffc0;background:#00ff8814;border:1px solid #00ff8840}.admin-msg.err{color:#ffb4bd;background:#ff47571a;border:1px solid #ff47574d}.admin-card{background:#ffffff08;border:1px solid #ffffff0f;border-radius:14px;margin-bottom:.9rem;padding:1rem 1.1rem}.admin-card h3{margin:0 0 .3rem;font-size:1rem}.admin-card p{color:#8592a8;margin:0 0 .8rem;font-size:.86rem}.admin-card textarea{box-sizing:border-box;color:#e6edf7;resize:vertical;background:#00000040;border:1px solid #ffffff14;border-radius:10px;outline:0;width:100%;margin-bottom:.7rem;padding:.7rem;font:500 .8rem JetBrains Mono,monospace}.admin-primary{cursor:pointer;color:#04140d;background:linear-gradient(110deg,#0f8,#00d2ff);border:0;border-radius:10px;align-items:center;gap:.45rem;padding:.6rem 1rem;font:700 .88rem Outfit,sans-serif;display:inline-flex}.admin-primary:disabled{opacity:.45;cursor:not-allowed}.admin-list-item{border:1px solid #ffffff0f;border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:.5rem;padding:.7rem .9rem;display:flex}.admin-list-item strong{color:#fff;display:block}.admin-list-item span{color:#6f7c94;font-size:.8rem}.user-chip{background:#ffffff08;border:1px solid #ffffff14;border-radius:12px;align-items:center;gap:.5rem;padding:.3rem .4rem .3rem .3rem;display:flex}.user-chip-avatar{color:#04140d;background:linear-gradient(135deg,#0f8,#00d2ff);border-radius:9px;place-items:center;width:28px;height:28px;font-size:.85rem;font-weight:700;display:grid}.user-chip-text{flex-direction:column;line-height:1.1;display:flex}.user-chip-text b{color:#fff;font-size:.8rem}.user-chip-text small{color:#8592a8;font-size:.68rem}.user-chip .admin-badge{color:#0f8;font-size:.65rem;font-weight:700}.blocked-screen{text-align:center;color:#e6edf7;background:#0a0d14;place-items:center;font-family:Outfit,sans-serif;display:grid;position:fixed;inset:0}.blocked-screen h2{color:#ff4757}.ms-btn{cursor:pointer;color:#fff;background:#ffffff0f;border:1px solid #ffffff29;border-radius:14px;justify-content:center;align-items:center;gap:.7rem;width:100%;padding:.95rem 1rem;font:600 .98rem Outfit,sans-serif;transition:transform .2s,background .3s,border-color .3s,box-shadow .3s;display:flex;position:relative;overflow:hidden}.ms-btn:after{content:"";background:linear-gradient(115deg,#0000 30%,#ffffff2e,#0000 70%);transition:transform .7s;position:absolute;inset:0;transform:translate(-120%)}.ms-btn:hover:not(:disabled){background:#ffffff1a;border-color:#00a4ef99;transform:translateY(-2px);box-shadow:0 10px 30px #00a4ef40}.ms-btn:hover:not(:disabled):after{transform:translate(120%)}.ms-btn:disabled{opacity:.6;cursor:not-allowed}.auth-divider{color:#6f7c94;align-items:center;gap:.8rem;margin:1.3rem 0 1.1rem;font-size:.8rem;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:#ffffff14;flex:1;height:1px}.app-layout{background-color:var(--bg-main);flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--bg-header);border-bottom:1px solid var(--border-subtle);z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex;position:sticky;top:0}.header-brand{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;display:flex}.brand-logo-wrap{border:1px solid var(--border-cyan);border-radius:var(--radius-sm);background:linear-gradient(135deg,#00d2ff33 0%,#0099ff0d 100%);justify-content:center;align-items:center;width:38px;height:38px;display:flex;box-shadow:0 0 14px #00d2ff33}.cad-crosshair-icon{color:var(--cad-cyan);justify-content:center;align-items:center;display:flex}.brand-text{flex-direction:column;display:flex}.brand-title-row{align-items:center;gap:8px;display:flex}.brand-title-row h1{letter-spacing:-.03em;background:linear-gradient(90deg, #fff 0%, var(--cad-cyan) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:18px;font-weight:800}.version-pill{text-transform:uppercase;color:var(--cad-cyan);letter-spacing:.04em;background:#00d2ff1f;border:1px solid #00d2ff4d;border-radius:4px;padding:1px 6px;font-size:10px;font-weight:600}.brand-subtitle{color:var(--text-muted);font-size:11px}.header-nav{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:var(--radius-md);align-items:center;gap:6px;padding:4px;display:flex}.nav-btn{color:var(--text-muted);border-radius:var(--radius-sm);background:0 0;padding:7px 16px;font-size:13px}.nav-btn:hover{color:var(--text-main);background:var(--bg-card)}.nav-btn.active{background:var(--bg-card);color:var(--cad-cyan);border:1px solid #00d2ff33;font-weight:600;box-shadow:0 1px 3px #0006}.header-actions{align-items:center;gap:8px;display:flex}.header-tool-btn{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);align-items:center;gap:6px;padding:7px 12px;font-size:12px;display:inline-flex}.header-tool-btn:hover{background:var(--bg-card-hover);color:var(--text-main);border-color:var(--border-bright)}.header-tool-btn.icon-only{padding:7px 9px}.header-tool-btn.has-key{background:#00ff880f;border-color:#00ff884d}.header-tool-btn.no-key{background:#ffa5020f;border-color:#ffa5024d}.status-dot{border-radius:50%;width:7px;height:7px;display:inline-block}.status-dot.active{background:var(--cad-green);box-shadow:0 0 6px var(--cad-green)}.status-dot.inactive{background:var(--cad-orange);box-shadow:0 0 6px var(--cad-orange)}.main-content-area{flex-direction:column;flex:1;display:flex}.practice-library-wrapper{width:100%;max-width:1240px;margin:0 auto;padding:32px 24px 60px}.library-header-banner{border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);background:linear-gradient(135deg,#141724e6 0%,#0d101ae6 100%);margin-bottom:32px;padding:32px;position:relative;overflow:hidden}.library-header-banner:before{content:"";pointer-events:none;background:radial-gradient(circle,#00d2ff26 0%,#0000 70%);width:250px;height:250px;position:absolute;top:-50px;right:-50px}.badge-tag{color:var(--cad-cyan);text-transform:uppercase;background:#00d2ff1a;border:1px solid #00d2ff40;border-radius:20px;align-items:center;gap:6px;margin-bottom:14px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.library-header-banner h2{letter-spacing:-.02em;margin-bottom:10px;font-size:28px;font-weight:800}.library-header-banner p{max-width:720px;color:var(--text-secondary);font-size:15px;line-height:1.6}.category-filter-bar{gap:8px;margin-top:24px;display:flex}.cat-filter-btn{background:var(--bg-surface);color:var(--text-muted);border:1px solid var(--border-subtle);border-radius:20px;padding:7px 16px;font-size:13px}.cat-filter-btn:hover{color:var(--text-main);background:var(--bg-card)}.cat-filter-btn.active{background:var(--cad-cyan);color:#050b14;border-color:var(--cad-cyan);font-weight:600;box-shadow:0 2px 10px #00d2ff59}.drawings-grid{grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:24px;display:grid}.drawing-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;flex-direction:column;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;overflow:hidden}.drawing-card:hover{border-color:var(--border-bright);box-shadow:var(--shadow-lg), 0 0 20px #00d2ff1f;transform:translateY(-4px)}.card-preview-window{border-bottom:1px solid var(--border-subtle);background:#10121a;height:180px;position:relative;overflow:hidden}.preview-svg{width:100%;height:100%;display:block}.card-badges-row{gap:6px;display:flex;position:absolute;top:12px;right:12px}.diff-badge{border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600}.diff-badge.green{color:var(--cad-green);background:#00ff8826;border:1px solid #00ff884d}.diff-badge.orange{color:var(--cad-orange);background:#ffa50226;border:1px solid #ffa5024d}.diff-badge.purple{color:var(--cad-purple);background:#a55eea26;border:1px solid #a55eea4d}.step-count-pill{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:var(--text-secondary);border:1px solid var(--border-subtle);background:#0f172ad9;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600}.card-info{flex-direction:column;flex:1;padding:20px;display:flex}.category-text{color:var(--cad-cyan);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:11px;font-weight:600}.card-title{margin-bottom:8px;font-size:17px;font-weight:700}.card-desc{color:var(--text-muted);flex:1;margin-bottom:16px;font-size:13px;line-height:1.5}.key-commands-list{flex-wrap:wrap;gap:6px;margin-bottom:18px;display:flex}.cmd-pill{font-family:var(--font-mono);background:var(--bg-card);color:var(--cad-cyan);border:1px solid var(--border-subtle);border-radius:4px;padding:2px 7px;font-size:11px;font-weight:600}.card-footer-meta{border-top:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding-top:14px;display:flex}.meta-item{color:var(--text-muted);align-items:center;gap:6px;font-size:12px;display:flex}.btn-link-action{color:var(--cad-cyan);background:0 0;gap:4px;padding:0;font-size:13px;font-weight:600}.drawing-card:hover .btn-link-action{color:#fff;text-decoration:underline}.image-uploader-wrapper{width:100%;max-width:900px;margin:40px auto;padding:0 24px}.uploader-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:36px}.uploader-header{margin-bottom:28px}.step-badge{text-transform:uppercase;color:var(--cad-cyan);background:#00d2ff26;border:1px solid #00d2ff4d;border-radius:12px;margin-bottom:10px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.uploader-header h2{margin-bottom:8px;font-size:24px;font-weight:800}.uploader-header .subtitle{color:var(--text-secondary);font-size:14px}.dropzone-container{border:2px dashed var(--border-bright);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:#0e101899;padding:50px 24px;transition:all .2s;position:relative}.dropzone-container:hover,.dropzone-container.drag-active{border-color:var(--cad-cyan);background:#00d2ff0a;box-shadow:inset 0 0 30px #00d2ff0d}.hidden-file-input{display:none}.upload-icon-circle{background:var(--bg-card);border:1px solid var(--border-subtle);width:72px;height:72px;color:var(--cad-cyan);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 18px;display:flex;box-shadow:0 4px 16px #0006}.dropzone-content h3{margin-bottom:6px;font-size:17px;font-weight:700}.dropzone-content p{color:var(--text-muted);margin-bottom:14px;font-size:13px}.dropzone-content p strong{color:var(--cad-cyan)}.paste-tip-badge{color:var(--cad-green);background:#00ff8814;border:1px solid #00ff8840;border-radius:20px;margin-bottom:12px;padding:5px 14px;font-size:12px;display:inline-block}.file-types-hint{color:var(--text-dim);font-size:11px;display:block}.quick-samples-bar{border-top:1px solid var(--border-subtle);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:30px;padding-top:24px;display:flex}.samples-label{color:var(--text-dim);font-size:12px}.sample-pill-btn{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:20px;padding:6px 14px;font-size:12px}.sample-pill-btn:hover{background:var(--bg-card-hover);color:var(--cad-cyan);border-color:var(--border-cyan)}.preview-container{flex-direction:column;gap:20px;display:flex}.preview-toolbar{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.file-info{align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}.preview-actions{align-items:center;gap:8px;display:flex}.tool-btn-sm{background:var(--bg-surface);color:var(--text-muted);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:5px 9px;font-size:12px}.tool-btn-sm:hover,.tool-btn-sm.active{background:var(--bg-card-hover);color:var(--cad-cyan);border-color:var(--border-cyan)}.preview-canvas-box{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#0d0f16;justify-content:center;align-items:center;height:380px;display:flex;position:relative;overflow:hidden}.image-viewport{justify-content:center;align-items:center;max-width:100%;max-height:100%;transition:transform .15s ease-out;display:flex}.image-viewport img{object-fit:contain;border-radius:var(--radius-sm);max-width:100%;max-height:360px}.image-viewport.inverted-filter img{filter:invert()hue-rotate(180deg)contrast(1.1)}.smart-match-box{border-radius:var(--radius-md);background:#00d2ff0f;border:1px solid #00d2ff40;flex-direction:column;gap:10px;padding:14px 16px;display:flex}.smart-match-header{color:var(--cad-cyan);align-items:center;gap:8px;font-size:12.5px;font-weight:600;display:flex}.smart-match-buttons{flex-wrap:wrap;gap:10px;display:flex}.smart-pill-btn{background:var(--bg-card);color:var(--text-main);border:1px solid var(--border-bright);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:8px 16px;font-size:12px;font-weight:500;transition:all .2s;display:inline-flex}.smart-pill-btn:hover{background:var(--bg-card-hover);border-color:var(--cad-cyan);color:#fff;transform:translateY(-1px)}.smart-pill-btn.highlight{color:var(--cad-green);background:#00ff881f;border-color:#00ff8859}.smart-pill-btn.highlight:hover{border-color:var(--cad-green);background:#00ff8838}.user-note-input-wrap label{color:var(--text-secondary);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.error-banner{border-radius:var(--radius-sm);color:#ff6b81;background:#ff47571a;border:1px solid #ff47574d;gap:12px;padding:14px 16px;display:flex}.error-content p{color:#ff6b81;margin-bottom:8px;font-size:13px}.error-actions{gap:8px;display:flex}.analysis-cta-bar{border-top:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding-top:16px;display:flex}.status-badge{cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:5px 12px;font-size:12px;font-weight:500;display:inline-flex}.status-badge.success{color:var(--cad-green);background:#00ff881f;border:1px solid #00ff8840}.status-badge.warning{color:var(--cad-orange);background:#ffa5021f;border:1px solid #ffa50240}.tutorial-split-layout{flex:1;height:calc(100vh - 64px);display:flex;overflow:hidden}.viewport-section{background:var(--bg-viewport);border-right:1px solid var(--border-subtle);flex-direction:column;flex:1.25;height:100%;display:flex;position:relative}.guide-aside{background:var(--bg-surface);flex-direction:column;flex:1;max-width:580px;height:100%;display:flex;overflow-y:auto}.cad-canvas-wrapper{flex-direction:column;width:100%;height:100%;display:flex;position:relative}.canvas-toolbar{border-bottom:1px solid var(--border-subtle);z-index:10;background:#10131df2;justify-content:space-between;align-items:center;height:44px;padding:0 16px;display:flex}.canvas-info-badge{color:var(--text-secondary);align-items:center;gap:8px;font-size:12px;font-weight:500;display:flex}.dot{background:var(--cad-cyan);width:8px;height:8px;box-shadow:0 0 8px var(--cad-cyan);border-radius:50%}.canvas-controls{align-items:center;gap:6px;display:flex}.tool-btn{background:var(--bg-card);color:var(--text-muted);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:5px 8px;font-size:12px}.tool-btn:hover,.tool-btn.active{background:var(--bg-card-hover);color:var(--cad-cyan);border-color:var(--border-cyan)}.tool-btn.play-btn{color:var(--cad-cyan);background:#00d2ff1f;border-color:#00d2ff4d}.tool-btn.play-btn.playing{color:var(--cad-red);background:#ff475726;border-color:#ff47574d}.toolbar-divider{background:var(--border-subtle);width:1px;height:20px;margin:0 4px}.canvas-viewport-container{cursor:crosshair;flex:1;position:relative;overflow:hidden}.cad-html-canvas{width:100%;height:100%;display:block}.cad-status-bar{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);font-family:var(--font-mono);color:var(--text-secondary);pointer-events:none;z-index:5;background:#0c0e14d9;gap:16px;padding:4px 12px;font-size:11px;display:flex;position:absolute;bottom:12px;right:16px}.canvas-step-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-subtle);z-index:5;background:#0f121ce6;border-radius:20px;align-items:center;gap:8px;padding:4px 8px;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 4px 14px #0006}.overlay-nav-btn{color:var(--text-muted);background:0 0;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;display:flex}.overlay-nav-btn:hover:not(:disabled){background:var(--bg-card);color:var(--text-main)}.overlay-nav-btn:disabled{opacity:.3;cursor:not-allowed}.overlay-step-counter{color:var(--text-secondary);padding:0 4px;font-size:12px}.element-count-tag{color:var(--cad-green);background:#00ff881a;border:1px solid #00ff8840;border-radius:12px;margin-left:6px;padding:2px 7px;font-size:11px}.canvas-active-cmd-chip{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-cyan);border-radius:var(--radius-sm);z-index:5;pointer-events:none;background:#0e111ad9;align-items:center;gap:8px;padding:6px 12px;animation:.25s ease-out fadeIn;display:flex;position:absolute;top:14px;left:16px;box-shadow:0 4px 12px #00000080}.chip-indicator{background:var(--cad-green);width:6px;height:6px;box-shadow:0 0 6px var(--cad-green);border-radius:50%}.chip-cmd-name{font-family:var(--font-mono);color:var(--cad-cyan);font-size:12px;font-weight:700}.chip-step-title{color:var(--text-secondary);font-size:12px}.tool-btn.active-highlight{color:var(--cad-cyan);background:#00d2ff1f;border-color:#00d2ff59}.tool-btn.active-highlight:hover{border-color:var(--cad-cyan);background:#00d2ff33}.step-guide-container{flex-direction:column;gap:20px;padding:24px;display:flex}.guide-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.back-link-btn{color:var(--text-muted);background:0 0;margin-bottom:6px;padding:0;font-size:12px}.back-link-btn:hover{color:var(--cad-cyan)}.title-row{align-items:center;gap:10px;display:flex}.title-row h2{font-size:20px;font-weight:800}.category-tag{text-transform:uppercase;background:var(--bg-card);color:var(--cad-cyan);border:1px solid var(--border-subtle);border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600}.step-nav-bar{flex-direction:column;gap:12px;display:flex}.progress-info{color:var(--text-secondary);justify-content:space-between;margin-bottom:6px;font-size:12px;display:flex}.percent-text{color:var(--cad-cyan);font-weight:600}.progress-track{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:4px;width:100%;height:6px;overflow:hidden}.progress-fill{height:100%;box-shadow:0 0 8px var(--cad-cyan-glow);background:linear-gradient(90deg,#00d2ff 0%,#0f8 100%);border-radius:4px;transition:width .3s}.step-pills-row{flex-wrap:wrap;gap:6px;display:flex}.step-pill{border-radius:var(--radius-sm);background:var(--bg-card);width:28px;height:28px;color:var(--text-muted);border:1px solid var(--border-subtle);justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.step-pill:hover{background:var(--bg-card-hover);color:var(--text-main)}.step-pill.active{background:var(--cad-cyan);color:#050b14;border-color:var(--cad-cyan);box-shadow:0 0 10px #00d2ff66}.step-pill.completed{color:var(--cad-green);background:#00ff8826;border-color:#00ff8859}.uploaded-image-preview-panel{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px}.panel-toggle-bar{justify-content:space-between;align-items:center;display:flex}.panel-title{align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.original-img-box{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:#000;justify-content:center;align-items:center;max-height:200px;margin-top:10px;display:flex;overflow:hidden}.original-img-box img{object-fit:contain;max-width:100%;max-height:200px}.active-step-card{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);flex-direction:column;gap:18px;padding:24px;display:flex}.step-card-header{flex-direction:column;gap:6px;display:flex}.step-num-badge{color:var(--cad-cyan);text-transform:uppercase;letter-spacing:.05em;font-size:11px;font-weight:700;display:inline-block}.step-title{font-size:18px;font-weight:800;line-height:1.4}.step-explanation p{color:var(--text-secondary);font-size:14px;line-height:1.6}.step-command-highlight{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:var(--radius-md);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.cmd-chip-left{align-items:center;gap:10px;display:flex}.cmd-icon-wrap{width:32px;height:32px;color:var(--cad-cyan);border-radius:var(--radius-sm);background:#00d2ff1a;justify-content:center;align-items:center;display:flex}.cmd-chip-names{flex-direction:column;display:flex}.cmd-primary-name{color:#fff;font-size:14px;font-weight:700}.cmd-sub-name{color:var(--text-muted);font-size:11px}.cmd-shortcut-tag{align-items:center;gap:8px;display:flex}.shortcut-label{color:var(--text-muted);font-size:12px}.shortcut-key{color:var(--cad-cyan);background:#0d1017;border:1px solid #00d2ff4d;border-radius:4px;padding:4px 10px;font-size:13px;font-weight:700}.cad-command-simulator{background:var(--bg-terminal);border-radius:var(--radius-md);border:1px solid #232736;overflow:hidden;box-shadow:inset 0 2px 8px #0009}.sim-header{background:#121520;border-bottom:1px solid #232736;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.sim-dots{gap:5px;display:flex}.sim-dot{background:#333a4d;border-radius:50%;width:8px;height:8px}.sim-title{font-family:var(--font-mono);color:var(--text-muted);font-size:11px}.copy-seq-btn{color:var(--cad-cyan);background:0 0;gap:4px;padding:3px 8px;font-size:11px}.copy-seq-btn:hover{background:#00d2ff1a}.sim-terminal-screen{font-family:var(--font-mono);color:#0f8;flex-direction:column;gap:6px;padding:14px;font-size:12.5px;display:flex}.terminal-line{align-items:flex-start;gap:8px;line-height:1.4;display:flex}.line-prefix{color:var(--cad-cyan);font-weight:700}.line-text{color:#e2e8f0}.pro-tip-box{border-radius:var(--radius-md);background:#ffa50214;border:1px solid #ffa50240;padding:14px 16px}.tip-header{color:var(--cad-orange);text-transform:uppercase;align-items:center;gap:6px;margin-bottom:6px;font-size:12px;font-weight:700;display:flex}.tip-text{color:#fed330;font-size:13px;line-height:1.5}.step-actions-footer{border-top:1px solid var(--border-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:18px;display:flex}.completion-checkbox-label{color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:13px;display:flex}.completion-checkbox-label input{cursor:pointer;accent-color:var(--cad-green);width:16px;height:16px}.nav-buttons-group{gap:8px;display:flex}.modal-tabs{background:var(--bg-main);border-bottom:1px solid var(--border-subtle);gap:4px;padding:0 16px;display:flex}.tab-btn{color:var(--text-muted);background:0 0;border-bottom:2px solid #0000;border-radius:0;padding:12px 16px;font-size:13px}.tab-btn:hover{color:var(--text-main)}.tab-btn.active{color:var(--cad-cyan);border-bottom-color:var(--cad-cyan);font-weight:600}.dictionary-filter-bar{flex-direction:column;gap:12px;margin-bottom:20px;display:flex}.search-box{align-items:center;display:flex;position:relative}.search-icon{color:var(--text-dim);position:absolute;left:12px}.search-box input{padding-left:36px;padding-right:36px}.search-clear-btn{color:var(--text-dim);background:0 0;padding:4px;position:absolute;right:12px}.search-clear-btn:hover{color:var(--text-main)}.category-pills{flex-wrap:wrap;gap:6px;display:flex}.pill-btn{background:var(--bg-main);color:var(--text-muted);border:1px solid var(--border-subtle);border-radius:14px;padding:4px 12px;font-size:12px}.pill-btn:hover{color:var(--text-main);background:var(--bg-surface)}.pill-btn.active{background:var(--cad-cyan);color:#050b14;border-color:var(--cad-cyan);font-weight:600}.commands-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px;max-height:480px;padding-right:6px;display:grid;overflow-y:auto}.command-card{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);flex-direction:column;gap:8px;padding:14px;display:flex}.command-card:hover{border-color:var(--border-bright)}.cmd-header{justify-content:space-between;align-items:center;display:flex}.cmd-primary{color:#fff;margin-right:6px;font-size:15px;font-weight:700}.cmd-secondary{color:var(--text-muted);font-size:12px}.cmd-category-tag{text-transform:uppercase;color:var(--cad-cyan);font-size:10px;font-weight:600}.cmd-desc{color:var(--text-secondary);font-size:12.5px;line-height:1.4}.cmd-usage{border-left:2px solid var(--cad-cyan);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#111420;padding:6px 10px;font-size:12px}.cmd-usage strong{text-transform:uppercase;color:var(--text-dim);margin-bottom:2px;font-size:10px;display:block}.cmd-tip{color:#fed330;border-radius:var(--radius-sm);background:#ffa50214;align-items:flex-start;gap:6px;padding:6px 10px;font-size:11.5px;display:flex}.fkeys-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;display:grid}.fkey-card{background:var(--bg-main);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);align-items:center;gap:12px;padding:12px;display:flex}.fkey-badge kbd{text-align:center;min-width:48px;padding:4px 10px;font-size:13px}.fkey-desc strong{color:var(--text-secondary);font-size:13px;font-weight:500}.code-preview-container{background:var(--bg-terminal);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);overflow:hidden}.code-preview-header{background:var(--bg-main);border-bottom:1px solid var(--border-subtle);color:var(--text-muted);justify-content:space-between;align-items:center;padding:8px 14px;font-size:12px;display:flex}.code-preview-content{font-family:var(--font-mono);color:#0f8;white-space:pre-wrap;max-height:280px;padding:16px;font-size:12px;overflow-y:auto}.help-steps-list{flex-direction:column;gap:16px;display:flex}.help-step-item{gap:16px;display:flex}.help-step-number{width:32px;height:32px;color:var(--cad-cyan);background:#00d2ff26;border:1px solid #00d2ff4d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.help-step-content h4{margin-bottom:4px;font-size:15px}.help-step-content p{color:var(--text-secondary);font-size:13px;line-height:1.5}@media (width<=1024px){.tutorial-split-layout{flex-direction:column;height:auto;overflow:visible}.viewport-section{border-right:none;border-bottom:1px solid var(--border-subtle);height:480px}.guide-aside{max-width:100%;height:auto}}@media (width<=768px){.app-header{flex-wrap:wrap;gap:10px;height:auto;padding:10px 14px}.header-brand{order:1}.header-actions{order:2}.header-nav{order:3;justify-content:center;width:100%}.viewport-section{height:360px}.drawings-grid{grid-template-columns:1fr}}.smart-drawing-correction-banner{border-radius:var(--radius-md);background:linear-gradient(135deg,#ffaa001f 0%,#00d2ff14 100%);border:1px solid #fa06;flex-direction:column;gap:10px;margin-bottom:16px;padding:14px 16px;animation:.3s fadeInDown;display:flex;box-shadow:0 4px 20px #ffaa001a}.correction-banner-header{align-items:center;gap:8px;display:flex}.correction-banner-header .banner-title{color:#ffa502;letter-spacing:.3px;font-size:.92rem;font-weight:700}.banner-desc{color:#cbd5e1;margin:0;font-size:.84rem;line-height:1.45}.banner-desc strong{color:#0f8}.correction-banner-btns{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.btn-switch-correct-drawing{border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;gap:8px;padding:8px 14px;font-size:.82rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-switch-correct-drawing.primary{color:#0a0e17;background:linear-gradient(135deg,#0f8 0%,#00d2ff 100%);box-shadow:0 2px 10px #00ff8840}.btn-switch-correct-drawing.primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0f86}.btn-switch-correct-drawing.secondary{border:1px solid var(--border-subtle);color:#cbd5e1;background:#ffffff14}.btn-switch-correct-drawing.secondary:hover{color:#fff;background:#ffffff26}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}:root{--bg-main:#070a12;--bg-header:#0c101c9e;--bg-surface:#121726b8;--bg-card:#161c2ea8;--bg-card-hover:#1e263ecc;--border-subtle:#78a0ff1a;--border-bright:#78b4ff38;--aurora-1:#00e5ff;--aurora-2:#00ff9d;--aurora-3:#8b5cf6;--aurora-4:#ff4fd8;--grad-main:linear-gradient(110deg, var(--aurora-2), var(--aurora-1) 45%, var(--aurora-3) 90%);--font-display:"Outfit", var(--font-ui);--mx:50vw;--my:30vh}body{background:var(--bg-main)}.app-layout{isolation:isolate;position:relative;background:0 0!important}.app-layout:before{content:"";z-index:-2;pointer-events:none;background:radial-gradient(38% 42% at 15% 18%, #00e5ff33, transparent 70%), radial-gradient(34% 40% at 85% 12%, #8b5cf638, transparent 70%), radial-gradient(40% 46% at 70% 90%, #00ff9d21, transparent 70%), radial-gradient(30% 34% at 25% 85%, #ff4fd81a, transparent 70%), var(--bg-main);filter:blur(20px)saturate(130%);animation:26s ease-in-out infinite alternate tp-aurora;position:fixed;inset:-20%}@keyframes tp-aurora{0%{transform:translate(0)rotate(0)scale(1)}33%{transform:translate(3%,-2%)rotate(4deg)scale(1.05)}66%{transform:translate(-3%,3%)rotate(-3deg)scale(1.02)}to{transform:translate(2%,1%)rotate(2deg)scale(1.08)}}.app-layout:after{content:"";z-index:-1;pointer-events:none;background:radial-gradient(520px circle at var(--mx) var(--my), #00e5ff12, transparent 60%), linear-gradient(#78b4ff0b 1px, transparent 1px) 0 0 / 48px 48px, linear-gradient(90deg, #78b4ff0b 1px, transparent 1px) 0 0 / 48px 48px;position:fixed;inset:0;-webkit-mask-image:radial-gradient(at 50% 40%,#000 30%,#0000 85%);mask-image:radial-gradient(at 50% 40%,#000 30%,#0000 85%)}.app-header{z-index:50;-webkit-backdrop-filter:blur(18px)saturate(160%);animation:.7s cubic-bezier(.2,.8,.2,1) both tp-slideDown;position:sticky;top:0;background:var(--bg-header)!important;border-bottom:1px solid #0000!important}.app-header:after{content:"";background:linear-gradient(90deg, transparent, var(--aurora-1), var(--aurora-2), var(--aurora-3), var(--aurora-4), transparent);opacity:.8;background-size:200% 100%;height:1px;animation:6s linear infinite tp-flow;position:absolute;bottom:-1px;left:0;right:0}@keyframes tp-flow{to{background-position:-200% 0}}@keyframes tp-slideDown{0%{opacity:0;transform:translateY(-100%)}}.brand-title-row h1{font-family:var(--font-display);letter-spacing:-.02em;background:var(--grad-main);background-size:200%;-webkit-background-clip:text;background-clip:text;font-weight:800;animation:7s linear infinite tp-shine;color:#0000!important}@keyframes tp-shine{to{background-position:200%}}.cad-crosshair-icon{animation:14s linear infinite tp-spin}.cad-crosshair-icon:hover{animation-duration:2s}@keyframes tp-spin{to{transform:rotate(360deg)}}.nav-btn,.header-tool-btn,.cat-filter-btn{transition:color .25s,background .25s,border-color .25s,box-shadow .3s,transform .2s!important}.nav-btn:hover,.header-tool-btn:hover,.cat-filter-btn:hover{transform:translateY(-1px)}.nav-btn.active,.cat-filter-btn.active{box-shadow:0 0 22px #00e5ff38,inset 0 0 0 1px #00e5ff40;color:#fff!important;background:linear-gradient(120deg,#00ff9d29,#00e5ff29)!important;border-color:#00e5ff73!important}.main-content-area>*{animation:.6s cubic-bezier(.2,.8,.2,1) both tp-pageIn}@keyframes tp-pageIn{0%{opacity:0;filter:blur(4px);transform:translateY(16px)scale(.99)}}.library-header-banner{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:relative;overflow:hidden;border:1px solid var(--border-bright)!important;background:linear-gradient(135deg,#00e5ff1a,#8b5cf61f 55%,#00ff9d14)!important}.library-header-banner:before{content:"";background:conic-gradient(from 0deg, transparent 0 70%, #00e5ff40, #8b5cf640, transparent 100%);pointer-events:none;z-index:0;animation:12s linear infinite tp-spin;position:absolute;inset:-50%}.library-header-banner>*{z-index:1;position:relative}.library-header-banner h2{font-family:var(--font-display);letter-spacing:-.02em;background:linear-gradient(110deg,#fff 20%,#a5f3ff 50%,#c4b5fd 80%);color:#0000;-webkit-background-clip:text;background-clip:text;font-weight:800}.drawing-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);animation:.6s cubic-bezier(.2,.8,.2,1.15) both tp-cardIn;position:relative;background:var(--bg-card)!important;border:1px solid var(--border-subtle)!important;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s,border-color .35s,background .35s!important}.drawings-grid>.drawing-card:first-child{animation-delay:50ms}.drawings-grid>.drawing-card:nth-child(2){animation-delay:.1s}.drawings-grid>.drawing-card:nth-child(3){animation-delay:.15s}.drawings-grid>.drawing-card:nth-child(4){animation-delay:.2s}.drawings-grid>.drawing-card:nth-child(5){animation-delay:.25s}.drawings-grid>.drawing-card:nth-child(6){animation-delay:.3s}.drawings-grid>.drawing-card:nth-child(7){animation-delay:.35s}.drawings-grid>.drawing-card:nth-child(8){animation-delay:.4s}.drawings-grid>.drawing-card:nth-child(n+9){animation-delay:.45s}@keyframes tp-cardIn{0%{opacity:0;transform:translateY(26px)scale(.96)}}.drawing-card:before{content:"";border-radius:inherit;background:var(--grad-main);-webkit-mask-composite:xor;opacity:0;pointer-events:none;padding:1px;transition:opacity .35s;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.drawing-card:hover{background:var(--bg-card-hover)!important;transform:translateY(-6px)!important;box-shadow:0 22px 50px #00000080,0 0 34px #00e5ff29!important}.drawing-card:hover:before{opacity:1}.card-preview-window{overflow:hidden}.card-preview-window svg,.preview-svg{transition:transform .6s cubic-bezier(.2,.8,.2,1),filter .4s}.drawing-card:hover .card-preview-window svg,.drawing-card:hover .preview-svg{filter:drop-shadow(0 0 8px #00ff9d80);transform:scale(1.07)}.card-title{font-family:var(--font-display)}.cmd-pill{transition:transform .2s,background .2s}.drawing-card:hover .cmd-pill{transform:translateY(-1px)}.btn-link-action,.sample-pill-btn,.smart-pill-btn,.overlay-nav-btn,.analysis-cta-bar button,.uploader-card button[class*=primary]{position:relative;overflow:hidden}.btn-link-action:after,.sample-pill-btn:after,.smart-pill-btn:after,.analysis-cta-bar button:after{content:"";pointer-events:none;background:linear-gradient(115deg,#0000 30%,#ffffff59,#0000 70%);transition:transform .7s;position:absolute;inset:0;transform:translate(-120%)}.btn-link-action:hover:after,.sample-pill-btn:hover:after,.smart-pill-btn:hover:after,.analysis-cta-bar button:hover:after{transform:translate(120%)}.uploader-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:var(--bg-surface)!important;border:1px solid var(--border-bright)!important}.dropzone-container{background-position:0 0,0 100%,0 0,100% 0;transition:background-color .3s,transform .3s;animation:1.2s linear infinite tp-ants;background-color:#00e5ff08!important;background-image:linear-gradient(90deg, var(--aurora-1) 50%, transparent 50%), linear-gradient(90deg, var(--aurora-1) 50%, transparent 50%), linear-gradient(0deg, var(--aurora-1) 50%, transparent 50%), linear-gradient(0deg, var(--aurora-1) 50%, transparent 50%)!important;background-repeat:repeat-x,repeat-x,repeat-y,repeat-y!important;background-size:16px 1.5px,16px 1.5px,1.5px 16px,1.5px 16px!important;border:none!important}@keyframes tp-ants{to{background-position:16px 0,-16px 100%,0 -16px,100% 16px}}.dropzone-container:hover,.dropzone-container.drag-active{transform:scale(1.005);background-color:#00e5ff14!important}.upload-icon-circle{animation:3.2s ease-in-out infinite tp-float,3.2s ease-in-out infinite tp-glowPulse}@keyframes tp-float{50%{transform:translateY(-8px)}}@keyframes tp-glowPulse{0%,to{box-shadow:0 0 #00e5ff59}50%{box-shadow:0 0 0 16px #00e5ff00}}.viewport-section,.guide-aside,.step-guide-container,.cad-canvas-wrapper{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.guide-aside,.step-guide-container{background:var(--bg-surface)!important}.canvas-active-cmd-chip{animation:.5s cubic-bezier(.2,.8,.2,1.3) both tp-chipIn}@keyframes tp-chipIn{0%{opacity:0;transform:translateY(-10px)scale(.9)}}.chip-indicator{border-radius:50%;animation:2s infinite tp-glowPulse}*{scrollbar-width:thin;scrollbar-color:#00e5ff59 transparent}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:linear-gradient(var(--aurora-1), var(--aurora-3));border:2px solid var(--bg-main);border-radius:9px}::selection{color:#fff;background:#00e5ff59}@media (prefers-reduced-motion:reduce){.app-layout *,.app-layout:before{transition:none!important;animation:none!important}}.step-command-highlight{position:relative}.cmd-chip-btn{color:inherit;font:inherit;text-align:left;cursor:pointer;border-radius:var(--radius-md);background:0 0;border:0;margin:-2px -4px;padding:2px 4px;transition:background .2s}.cmd-chip-btn:hover{background:#00e5ff14}.cmd-info-ico{vertical-align:-2px;opacity:.55;margin-left:6px;transition:opacity .2s,transform .2s}.cmd-chip-btn:hover .cmd-info-ico{opacity:1;transform:scale(1.15)}.cmd-card-pop{z-index:40;background:var(--bg-card);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--border-bright);border-radius:var(--radius-lg);width:min(380px,92vw);box-shadow:var(--shadow-lg), 0 0 0 1px #00e5ff14;padding:16px 16px 14px;animation:.28s cubic-bezier(.2,.8,.2,1.2) both ft-pop;position:absolute;top:calc(100% + 10px);left:0}@keyframes ft-pop{0%{opacity:0;transform:translateY(-6px)scale(.96)}}.cmd-card-close{z-index:2;border:1px solid var(--border-subtle);width:28px;height:28px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;place-items:center;display:grid;position:absolute;top:10px;right:10px}.cmd-card-close:hover{color:var(--text-main);border-color:var(--border-bright)}.cmd-card-head{align-items:center;gap:10px;margin-bottom:10px;padding-right:30px;display:flex}.cmd-card-head h4{font-family:var(--font-display);font-size:17px}.cmd-card-head h4 small{color:var(--text-muted);font-size:13px;font-weight:500}.cmd-card-icon{background:var(--grad-main);color:#04121a;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.cmd-card-cat{color:var(--cad-cyan);text-transform:uppercase;letter-spacing:.06em;font-size:11px}.cmd-card-kbd{font-family:var(--font-mono);background:var(--bg-terminal);border:1px solid var(--border-bright);color:var(--cad-green);border-radius:6px;align-items:center;gap:4px;margin-left:auto;padding:4px 8px;font-size:12px;display:inline-flex}.cmd-card-desc{color:var(--text-secondary);margin-bottom:10px;font-size:13px}.cmd-card-block b{color:var(--text-main);font-size:12px}.cmd-card-block p{color:var(--text-secondary);margin:2px 0 10px;font-size:12.5px}.cmd-card-tip{border-radius:var(--radius-md);color:var(--cad-yellow);background:#ffd32a14;border:1px solid #ffd32a33;gap:8px;padding:9px 10px;font-size:12.5px;display:flex}.cmd-card-tip p{color:var(--text-secondary)}.quiz-dialog,.check-dialog{width:min(520px,94vw);padding:24px;animation:.3s cubic-bezier(.2,.8,.2,1.2) both ft-pop;position:relative}.check-dialog{width:min(620px,94vw);max-height:90vh;overflow-y:auto}.quiz-head{align-items:center;gap:12px;margin-bottom:14px;padding-right:30px;display:flex}.quiz-head h3{font-family:var(--font-display);font-size:19px}.quiz-head p{color:var(--text-muted);font-size:13px}.quiz-icon{background:var(--grad-main);color:#04121a;border-radius:12px;flex:none;place-items:center;width:42px;height:42px;display:grid;box-shadow:0 0 22px #00e5ff59}.quiz-progress{background:var(--border-subtle);border-radius:99px;height:5px;margin-bottom:18px;overflow:hidden}.quiz-progress div{background:var(--grad-main);height:100%;transition:width .4s}.quiz-q{margin-bottom:14px;font-size:16px;font-weight:600}.quiz-options{grid-template-columns:1fr 1fr;gap:10px;display:grid}.quiz-opt{border-radius:var(--radius-md);cursor:pointer;font-family:var(--font-mono);color:var(--text-main);background:var(--bg-card);border:1px solid var(--border-bright);justify-content:space-between;align-items:center;padding:13px 14px;font-size:14px;font-weight:600;transition:transform .15s,border-color .2s,background .2s;display:flex}.quiz-opt:hover{border-color:var(--cad-cyan);transform:translateY(-2px)}.quiz-opt.right{border-color:var(--cad-green);color:var(--cad-green);background:#00ff881f;animation:.4s ft-bounce}.quiz-opt.wrong{border-color:var(--cad-red);color:var(--cad-red);background:#ff47571f;animation:.4s ft-shake}.quiz-opt.dim{opacity:.45}@keyframes ft-bounce{50%{transform:scale(1.05)}}@keyframes ft-shake{25%{transform:translate(-5px)}75%{transform:translate(5px)}}.quiz-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;display:flex}.quiz-foot small{color:var(--text-muted)}.quiz-wrong-text{color:var(--cad-red)}.quiz-result{text-align:center;padding:10px 0}.quiz-result h3{font-family:var(--font-display);background:var(--grad-main);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:40px}.quiz-result p{color:var(--text-secondary);margin:6px 0 18px}.quiz-trophy{color:var(--cad-yellow);filter:drop-shadow(0 0 14px #ffd32a99);animation:1.2s ease-out both ft-trophy}@keyframes ft-trophy{0%{transform:scale(0)rotate(-30deg)}60%{transform:scale(1.2)rotate(8deg)}to{transform:scale(1)}}.check-drop{border-radius:var(--radius-lg);cursor:pointer;border:2px dashed var(--border-bright);min-height:200px;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:18px;transition:border-color .2s,background .2s;display:flex}.check-drop:hover{border-color:var(--cad-cyan);background:#00e5ff0a}.check-drop small{color:var(--text-dim);font-size:11.5px}.check-drop.has-img{border-style:solid;padding:6px}.check-drop img{border-radius:var(--radius-md);max-width:100%;max-height:320px}.check-actions{justify-content:flex-end;margin-top:14px;display:flex}.check-result{gap:12px;display:grid}.check-score{width:110px;height:110px;margin:0 auto;position:relative}.check-score svg{width:100%;height:100%;transform:rotate(-90deg)}.check-score path{fill:none;stroke-width:3px;stroke-linecap:round;stroke:var(--cad-cyan);animation:1.1s ease-out both ft-ring}.check-score.good path{stroke:var(--cad-green)}.check-score.mid path{stroke:var(--cad-orange)}.check-score.bad path{stroke:var(--cad-red)}@keyframes ft-ring{0%{stroke-dasharray:0 100}}.check-score span{font-family:var(--font-display);place-items:center;font-size:30px;font-weight:700;display:grid;position:absolute;inset:0}.check-summary{text-align:center;color:var(--text-secondary)}.check-list{border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-subtle);padding:12px 14px}.check-list b{align-items:center;gap:6px;margin-bottom:6px;font-size:13px;display:flex}.check-list ul{color:var(--text-secondary);gap:4px;padding-left:18px;font-size:13px;display:grid}.check-list.good b{color:var(--cad-green)}.check-list.bad b{color:var(--cad-orange)}.check-list.tip b{color:var(--cad-yellow)}.ai-chat-fab{z-index:60;cursor:pointer;color:#04121a;background:var(--grad-main);border:0;border-radius:50%;place-items:center;width:56px;height:56px;transition:transform .2s;animation:.5s cubic-bezier(.2,.8,.2,1.4) both ft-fabIn;display:grid;position:fixed;bottom:22px;right:22px;box-shadow:0 10px 30px #00e5ff59}.ai-chat-fab:before{content:"";border:2px solid #00e5ff73;border-radius:50%;animation:2.4s ease-out infinite ft-ping;position:absolute;inset:-4px}.ai-chat-fab.open:before{display:none}.ai-chat-fab:hover{transform:scale(1.08)rotate(-6deg)}@keyframes ft-fabIn{0%{transform:scale(0)}}@keyframes ft-ping{to{opacity:0;transform:scale(1.5)}}.ai-chat-panel{z-index:60;background:var(--bg-surface);-webkit-backdrop-filter:blur(20px)saturate(150%);backdrop-filter:blur(20px)saturate(150%);border:1px solid var(--border-bright);width:min(380px,100vw - 24px);height:min(520px,100vh - 140px);box-shadow:var(--shadow-lg);transform-origin:100% 100%;border-radius:18px;flex-direction:column;animation:.35s cubic-bezier(.2,.8,.2,1.1) both ft-panelIn;display:flex;position:fixed;bottom:90px;right:22px;overflow:hidden}@keyframes ft-panelIn{0%{opacity:0;transform:translateY(16px)scale(.92)}}.ai-chat-head{border-bottom:1px solid var(--border-subtle);align-items:center;gap:10px;padding:12px 14px;display:flex}.ai-chat-head b{font-family:var(--font-display);display:block}.ai-chat-head small{color:var(--text-muted);font-size:11.5px}.ai-chat-avatar{background:var(--grad-main);color:#04121a;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.ai-chat-list{flex-direction:column;flex:1;gap:10px;padding:14px;display:flex;overflow-y:auto}.ai-chat-empty{text-align:center;color:var(--text-muted);justify-items:center;gap:8px;margin:auto;display:grid}.ai-chat-empty svg{color:var(--cad-cyan)}.ai-chat-suggest{flex-wrap:wrap;justify-content:center;gap:6px;margin-top:6px;display:flex}.ai-chat-suggest button{cursor:pointer;background:var(--bg-card);border:1px solid var(--border-bright);color:var(--text-secondary);border-radius:99px;padding:6px 10px;font-size:12px}.ai-chat-suggest button:hover{border-color:var(--cad-cyan);color:var(--text-main)}.ai-msg{white-space:pre-wrap;word-break:break-word;border-radius:14px;max-width:86%;padding:9px 12px;font-size:13.5px;line-height:1.5;animation:.25s ease-out both ft-msgIn}@keyframes ft-msgIn{0%{opacity:0;transform:translateY(6px)}}.ai-msg.user{background:var(--grad-main);color:#04121a;border-bottom-right-radius:4px;align-self:flex-end}.ai-msg.model{background:var(--bg-card);border:1px solid var(--border-subtle);border-bottom-left-radius:4px;align-self:flex-start}.ai-msg.error{color:var(--cad-red);border-color:#ff475766}.ai-msg.typing{gap:4px;padding:12px 14px;display:flex}.ai-msg.typing span{background:var(--cad-cyan);border-radius:50%;width:6px;height:6px;animation:1s infinite ft-dot}.ai-msg.typing span:nth-child(2){animation-delay:.15s}.ai-msg.typing span:nth-child(3){animation-delay:.3s}@keyframes ft-dot{50%{opacity:.4;transform:translateY(-5px)}}.ai-chat-input{border-top:1px solid var(--border-subtle);gap:8px;padding:10px;display:flex}.ai-chat-input input{min-width:0;font:inherit;background:var(--bg-terminal);border:1px solid var(--border-bright);color:var(--text-main);border-radius:12px;outline:none;flex:1;padding:10px 12px}.ai-chat-input input:focus{border-color:var(--cad-cyan)}.ai-chat-input button{cursor:pointer;background:var(--grad-main);color:#04121a;border:0;border-radius:12px;place-items:center;width:42px;display:grid}.ai-chat-input button:disabled{opacity:.4;cursor:default}.done-ribbon{z-index:2;color:#04121a;background:var(--cad-green);border-radius:99px;align-items:center;gap:4px;padding:4px 9px;font-size:11px;font-weight:700;animation:.4s both ft-pop;display:inline-flex;position:absolute;top:10px;right:10px;box-shadow:0 0 16px #00ff8873}.card-preview-window{position:relative}.drawing-card.is-done{outline:1px solid #00ff8840}.progress-page{gap:22px;max-width:1180px;margin:0 auto;padding:28px 24px 60px;display:grid}.progress-hero{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:22px;align-items:center;gap:28px;padding:26px;display:flex;position:relative;overflow:hidden}.progress-hero:before{content:"";pointer-events:none;opacity:.5;background:radial-gradient(400px at 10% 0,#00e5ff2e,#0000 60%),radial-gradient(400px at 100% 100%,#8b5cf62e,#0000 60%);position:absolute;inset:0}.progress-ring{--p:0;background:conic-gradient(var(--aurora-2), var(--aurora-1) calc(var(--p) * 1%), var(--border-subtle) 0);border-radius:50%;flex:none;place-items:center;width:130px;height:130px;animation:.6s both ft-pop;display:grid;position:relative}.progress-ring:before{content:"";background:var(--bg-main);border-radius:50%;position:absolute;inset:10px}.progress-ring span{font-family:var(--font-display);font-size:28px;font-weight:700;position:relative}.progress-hero-text{flex:1;position:relative}.progress-hero-text h2{font-family:var(--font-display);font-size:28px}.progress-hero-text p{color:var(--text-secondary);margin:4px 0 14px}.progress-stats{flex-wrap:wrap;gap:12px;display:flex}.progress-stats div{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:14px;min-width:110px;padding:10px 16px}.progress-stats strong{font-family:var(--font-display);color:var(--cad-cyan);font-size:22px;display:block}.progress-stats span{color:var(--text-muted);font-size:12px}.progress-grid{grid-template-columns:1.3fr 1fr;gap:22px;display:grid}.progress-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:20px;padding:20px}.progress-card h3{font-family:var(--font-display);align-items:center;gap:8px;margin-bottom:14px;font-size:17px;display:flex}.badge-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;display:grid}.badge-tile{text-align:center;border:1px solid var(--border-subtle);background:var(--bg-surface);border-radius:14px;justify-items:center;gap:3px;padding:14px 8px;transition:transform .2s,box-shadow .2s;animation:.5s both tp-cardIn;display:grid}.badge-tile b{font-size:13px}.badge-tile small{color:var(--text-muted);font-size:11px}.badge-emoji{place-items:center;height:38px;font-size:30px;line-height:1.2;display:grid}.badge-tile.earned{border-color:#ffd32a59;box-shadow:inset 0 0 22px #ffd32a14}.badge-tile.earned:hover{transform:translateY(-3px)rotate(-1deg);box-shadow:0 10px 24px #ffd32a2e}.badge-tile.earned .badge-emoji{animation:3s ease-in-out infinite ft-float}.badge-tile.locked{opacity:.5;filter:grayscale()}.badge-tile.locked .badge-emoji{color:var(--text-dim)}@keyframes ft-float{50%{transform:translateY(-4px)}}.leader-list{gap:8px;list-style:none;display:grid}.leader-list li{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:12px;align-items:center;gap:10px;padding:10px 12px;animation:.45s both tp-cardIn;display:flex}.leader-list li.me{border-color:var(--cad-cyan);box-shadow:0 0 0 1px #00e5ff40}.leader-rank{width:26px;color:var(--text-muted);place-items:center;font-weight:700;display:grid}.rank-1 .leader-rank{color:#ffd32a}.rank-2 .leader-rank{color:#cfd8e3}.rank-3 .leader-rank{color:#e0a36b}.leader-name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:600;overflow:hidden}.leader-count{color:var(--cad-green);font-size:12.5px;font-weight:600}.leader-quiz{color:var(--text-muted);font-size:12px}.done-item{cursor:pointer;text-align:left;width:100%;font:inherit;color:inherit}.done-item:hover{border-color:var(--cad-cyan)}.announce-bar{color:#04121a;background:linear-gradient(90deg, var(--aurora-2), var(--aurora-1), var(--aurora-3), var(--aurora-2));background-size:300% 100%;justify-content:center;align-items:center;gap:10px;padding:9px 44px;font-size:13.5px;font-weight:600;animation:8s linear infinite tp-flow,.5s both tp-slideDown;display:flex;position:relative}.announce-bar button{color:#04121a;cursor:pointer;background:#00000026;border:0;border-radius:8px;place-items:center;width:26px;height:26px;display:grid;position:absolute;right:12px}.app-toast{z-index:200;background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--cad-green);border-radius:14px;padding:12px 20px;font-weight:600;animation:4.2s both ft-toast;position:fixed;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #00ff8840}@keyframes ft-toast{0%{opacity:0;transform:translate(-50%,20px)scale(.9)}10%,85%{opacity:1;transform:translate(-50%)scale(1)}to{opacity:0;transform:translate(-50%,10px)}}.stat-bars{align-items:flex-end;gap:6px;height:170px;padding-top:18px;display:flex}.stat-bar{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:4px;min-width:0;height:100%;display:flex}.stat-bar-fill{background:var(--grad-main);transform-origin:bottom;border-radius:6px 6px 2px 2px;width:100%;min-height:2px;animation:.7s cubic-bezier(.2,.8,.2,1) both ft-grow}@keyframes ft-grow{0%{transform:scaleY(0)}}.stat-bar-val{color:var(--text-secondary);font-size:11px}.stat-bar-label{color:var(--text-dim);white-space:nowrap;font-size:10px}.stat-hbars{gap:8px;display:grid}.stat-hbar{grid-template-columns:minmax(120px,34%) 1fr 34px;align-items:center;gap:10px;font-size:13px;display:grid}.stat-hbar-name{text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary);overflow:hidden}.stat-hbar-track{background:var(--border-subtle);border-radius:99px;height:10px;overflow:hidden}.stat-hbar-track div{background:var(--grad-main);transform-origin:0;border-radius:99px;height:100%;animation:.8s both ft-growX}@keyframes ft-growX{0%{transform:scaleX(0)}}.theme-toggle svg{transition:transform .5s cubic-bezier(.2,.8,.2,1.3)}.theme-toggle:hover svg{transform:rotate(40deg)scale(1.1)}html{transition:background-color .4s}html[data-theme=light]{--bg-main:#eef3fa;--bg-header:#ffffffb8;--bg-surface:#ffffffd1;--bg-card:#ffffffe6;--bg-card-hover:#fff;--text-main:#0f172a;--text-secondary:#334155;--text-muted:#55657d;--text-dim:#7b8aa0;--border-subtle:#0f285a1a;--border-bright:#0f285a2e;--cad-cyan:#0091c2;--cad-green:#00a35c;--cad-orange:#d97706;--cad-yellow:#b58900;--shadow-md:0 8px 24px #0f285a1a;--shadow-lg:0 16px 40px #0f285a29;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html[data-theme=light] body{color:var(--text-main)}html[data-theme=light] .app-layout:before{opacity:.55}html[data-theme=light] .app-layout:after{opacity:.6}html[data-theme=light] .modal-dialog,html[data-theme=light] .admin-panel{color:var(--text-main);background:#fff!important}@media (width<=1100px){.header-nav .nav-btn span,.header-actions .header-tool-btn:not(.icon-only) span:not(.status-dot){display:none}}@media (width<=900px){.tutorial-split-layout{flex-direction:column;height:auto!important;display:flex!important}.viewport-section{min-height:55vh}.guide-aside{width:100%!important;max-width:none!important}.progress-grid{grid-template-columns:1fr}.brand-subtitle,.version-pill{display:none}}@media (width<=640px){.app-header{flex-wrap:wrap;gap:8px;padding:8px 10px!important}.header-nav{order:3;justify-content:space-around;width:100%}.header-actions{gap:4px}.user-chip-text{display:none}.progress-hero{text-align:center;flex-direction:column}.progress-stats{justify-content:center}.quiz-options{grid-template-columns:1fr}.drawings-grid{grid-template-columns:1fr!important}.guide-header{flex-direction:column;gap:10px;align-items:stretch!important}.guide-header-actions{flex-wrap:wrap}.step-actions-footer{flex-direction:column;gap:10px;align-items:stretch!important}.nav-buttons-group{justify-content:space-between}.ai-chat-fab{bottom:14px;right:14px}.ai-chat-panel{bottom:80px;right:12px}.announce-bar{padding:8px 40px 8px 14px;font-size:12.5px}.stat-hbar{grid-template-columns:1fr 34px}.stat-hbar-track{grid-area:2/1/auto/-1}}.spin,.animate-spin{transform-origin:50%;animation:.8s linear infinite ft-spin!important}@keyframes ft-spin{to{transform:rotate(360deg)}}.ai-chat-input button.stop{background:var(--cad-red);color:#fff}.check-actions{gap:10px}