:root{--bg-deep:#03060f;--bg-surface:#060e1f;--bg-card:rgba(3,8,24,.97);--blue-glow:#8ab4f8;--blue-dim:#1a3a6b;--gold:#ffb800;--gold-glow:rgba(255,184,0,.4);--gold-dim:rgba(255,184,0,.08);--gold-border:rgba(255,184,0,.25);--green:#34c759;--indigo:#5e5ce6;--text-primary:hsla(0,0%,100%,.92);--text-secondary:hsla(0,0%,100%,.45);--text-tertiary:hsla(0,0%,100%,.25);--border-subtle:rgba(138,180,248,.07);--border-gold:rgba(255,184,0,.25);--radius-node:50%;--radius-card:24px;--spring-entry:cubic-bezier(0.175,0.885,0.32,1.275);--spring-exit:cubic-bezier(0.55,0,1,0.45);--spring-bounce:cubic-bezier(0.34,1.56,0.64,1);--font-display:"SF Pro Display","Inter Display",system-ui;--font-mono:"SF Mono","JetBrains Mono",monospace}.hud-bar{position:sticky;top:0;z-index:100;width:100%;height:52px;justify-content:space-between;padding:0 24px;background:rgba(3,6,15,.88);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid rgba(138,180,248,.08);box-sizing:border-box}.hud-bar,.hud-xp{display:flex;align-items:center}.hud-xp{gap:6px;font-family:var(--font-mono);font-size:14px;color:var(--gold)}.hud-xp-value{font-variant-numeric:tabular-nums}.hud-level{display:flex;align-items:center;gap:8px}.hud-level-dash{color:rgba(138,180,248,.3);font-size:11px}.hud-level-text{font-size:13px;font-weight:600;letter-spacing:.12em;color:hsla(0,0%,100%,.9)}.hud-streak{display:flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:14px;color:hsla(0,0%,100%,.7)}@keyframes xp-flash{0%{color:var(--gold)}50%{color:#fff}to{color:var(--gold)}}.xp-flash{animation:xp-flash once .4s ease}.hud-level-fade{animation:level-fade .4s ease}@keyframes level-fade{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.level-map-sidebar{width:260px;flex-shrink:0;height:calc(100vh - 52px);background:var(--bg-deep);position:relative;overflow:hidden;border-right:1px solid rgba(138,180,248,.06)}.level-map-atmosphere{background:radial-gradient(ellipse 120% 50% at 50% 100%,rgba(14,30,80,.5) 0,transparent 70%),radial-gradient(ellipse 80% 30% at 20% 50%,rgba(94,92,230,.04) 0,transparent 60%)}.level-map-atmosphere,.level-map-grid{position:absolute;inset:0;pointer-events:none}.level-map-grid{opacity:1}.level-map-nodes,.level-map-paths{position:absolute;inset:0}.level-map-paths{pointer-events:none}.node-wrapper{transform:translate(-50%,-50%)}.node-outer-ring,.node-wrapper{position:absolute;width:64px;height:64px}.node-outer-ring{border-radius:50%;inset:0}.node-inner-platform{width:48px;height:48px;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center}.node-emoji{font-size:20px;line-height:1;-webkit-user-select:none;-moz-user-select:none;user-select:none}.node-label{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);white-space:nowrap;font-size:10px;font-weight:500;letter-spacing:.04em}.node-completed .node-outer-ring{border:2px solid rgba(52,199,89,.6);box-shadow:0 0 12px rgba(52,199,89,.25)}.node-completed .node-inner-platform{background:radial-gradient(circle,rgba(20,60,35,.9) 0,rgba(6,14,31,.95) 100%)}.node-completed .node-emoji{filter:grayscale(0)}.node-completed .node-label{color:hsla(0,0%,100%,.5)}.node-checkmark{position:absolute;top:-4px;right:-4px;width:18px;height:18px;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;border:2px solid var(--bg-deep);z-index:2}.node-active .node-outer-ring{border:2px solid var(--gold);box-shadow:0 0 0 rgba(255,184,0,.6);animation:ring-pulse 2s ease-in-out infinite}@keyframes ring-pulse{0%,to{box-shadow:0 0 8px rgba(255,184,0,.4)}50%{box-shadow:0 0 24px rgba(255,184,0,.8)}}.node-active .node-inner-platform{background:radial-gradient(circle,rgba(60,40,0,.95) 0,rgba(6,14,31,.98) 100%)}.node-active .node-emoji{font-size:22px}.node-active .node-label{color:#fff;font-weight:600;font-size:11px}.node-star-burst{position:absolute;top:-20px;left:50%;transform:translateX(-50%);width:16px;height:16px;background:var(--gold);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);animation:star-spin 6s linear infinite}@keyframes star-spin{to{transform:translateX(-50%) rotate(1turn)}}.node-active{animation:node-float 2.5s ease-in-out infinite}@keyframes node-float{0%,to{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-5px)}}.node-locked{opacity:.45}.node-locked .node-outer-ring{border:2px solid rgba(138,180,248,.15)}.node-locked .node-inner-platform{background:rgba(6,14,31,.6)}.node-locked .node-emoji{filter:grayscale(1) brightness(.4)}.node-locked .node-label{color:hsla(0,0%,100%,.3)}.lock-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;display:flex;align-items:center;justify-content:center}.lock-body{width:14px;height:11px;border:1.5px solid hsla(0,0%,100%,.3);border-radius:3px;position:relative}.lock-body:before{content:"";position:absolute;width:8px;height:7px;border:1.5px solid hsla(0,0%,100%,.3);border-bottom:none;border-radius:4px 4px 0 0;top:-8px;left:50%;transform:translateX(-50%)}.level-up-overlay{position:fixed;inset:0;z-index:1000;background:rgba(3,6,15,.75);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;opacity:0;animation:overlay-in .4s ease forwards}@keyframes overlay-in{to{opacity:1}}.level-up-overlay.exiting{animation:overlay-out .3s ease forwards}@keyframes overlay-out{to{opacity:0}}.level-up-starburst{position:absolute;width:400px;height:400px;fill:rgba(255,184,0,.08);animation:burst-spin 60s linear infinite}@keyframes burst-spin{to{transform:rotate(1turn)}}.level-up-card{width:340px;background:var(--bg-card);border:1px solid var(--gold-border);border-radius:28px;padding:36px 32px;position:relative;box-shadow:0 0 60px rgba(255,184,0,.08),0 32px 80px rgba(0,0,0,.6),inset 0 1px 0 hsla(0,0%,100%,.06);transform:scale(.85);opacity:0;animation:card-enter .5s var(--spring-entry) .1s forwards}@keyframes card-enter{to{transform:scale(1);opacity:1}}.level-up-card.exiting{animation:card-exit .3s ease forwards}@keyframes card-exit{to{transform:scale(.92);opacity:0}}.level-up-label{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo);margin-bottom:16px;animation:stagger-in .4s ease forwards;animation-delay:.2s}.level-up-label,.level-up-name{font-weight:600;text-align:center;opacity:0;transform:translateY(8px)}.level-up-name{font-size:30px;color:hsla(0,0%,100%,.95);letter-spacing:-.02em;line-height:1.1;margin-bottom:24px;animation:stagger-in .4s ease forwards;animation-delay:.28s}.level-up-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,184,0,.5),transparent);width:0;margin-bottom:24px;animation:divider-grow .7s ease .36s forwards}@keyframes divider-grow{to{width:100%}}.level-up-xp{font-family:var(--font-mono);font-size:22px;font-weight:500;color:var(--gold);text-align:center;margin-bottom:20px;opacity:0;animation:stagger-in .4s ease .44s forwards}.level-up-bar-outer{height:4px;background:hsla(0,0%,100%,.06);border-radius:100px;overflow:hidden;margin-bottom:32px}.level-up-bar-fill{background:linear-gradient(90deg,var(--indigo),#bf5af2);height:100%;border-radius:100px;transition:width 1s cubic-bezier(.22,1,.36,1)}.level-up-continue{display:block;width:100%;padding:14px;background:transparent;border:1px solid hsla(0,0%,100%,.15);border-radius:14px;font-size:14px;font-weight:500;color:hsla(0,0%,100%,.8);cursor:pointer;letter-spacing:.02em;transition:all .2s ease;text-align:center;font-family:inherit;opacity:0;animation:stagger-in .4s ease .52s forwards}.level-up-continue:hover{background:hsla(0,0%,100%,.06);border-color:hsla(0,0%,100%,.25);color:#fff}@keyframes stagger-in{to{opacity:1;transform:translateY(0)}}.final-boss-card{margin:16px 0;padding:28px;background:rgba(3,8,24,.8);border:1px solid rgba(255,184,0,.2);border-radius:20px;animation:card-appear .6s var(--spring-entry) both}@keyframes card-appear{0%{opacity:0;transform:scale(.95) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.final-boss-medal{width:40px;height:40px;border-radius:50%;background:radial-gradient(circle,gold,#ffb800);box-shadow:0 0 20px rgba(255,184,0,.4);border:2px solid hsla(0,0%,100%,.2);margin:0 auto 16px;position:relative}.final-boss-medal:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:14px;height:12px;background:var(--gold);clip-path:polygon(0 0,100% 0,80% 100%,50% 70%,20% 100%)}.final-boss-badge{font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);text-align:center;margin-bottom:8px}.final-boss-title{font-size:20px;font-weight:600;color:hsla(0,0%,100%,.95);text-align:center;margin-bottom:4px}.final-boss-subtitle{font-size:13px;color:hsla(0,0%,100%,.4);text-align:center;margin-bottom:24px}.final-boss-code{background:rgba(0,0,0,.5);border:1px solid hsla(0,0%,100%,.06);border-radius:12px;padding:20px;font-family:var(--font-mono);font-size:13px;line-height:1.8;overflow-x:auto;margin-bottom:20px;white-space:pre;color:hsla(0,0%,100%,.85)}.final-boss-code .kw{color:#bf7fe0}.final-boss-code .fn{color:#60a5fa}.final-boss-code .num,.final-boss-code .str{color:#f0a05a}.final-boss-code .cmt{color:hsla(0,0%,100%,.3);font-style:italic}.final-boss-copy{display:block;width:100%;padding:13px;background:transparent;border:1px solid rgba(255,184,0,.3);border-radius:12px;font-size:13px;font-weight:500;color:var(--gold);cursor:pointer;font-family:inherit;transition:all .25s ease}.final-boss-copy:hover{background:rgba(255,184,0,.07);border-color:rgba(255,184,0,.5)}.kalam-level-bubble-wrapper{display:flex;gap:12px;align-items:flex-start;margin:12px 0;padding:0;opacity:0;transform:translateY(6px);animation:kalam-bubble-in .4s cubic-bezier(.22,1,.36,1) forwards}@keyframes kalam-bubble-in{to{opacity:1;transform:translateY(0)}}.kalam-level-bubble-content{padding:14px 18px;background:rgba(255,184,0,.04);border-left:2px solid rgba(255,184,0,.5);border-radius:0 14px 14px 14px;max-width:80%}.kalam-level-name{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,184,0,.7);margin-bottom:6px}.kalam-level-text{font-size:14px;color:hsla(0,0%,100%,.85);line-height:1.6}.kalam-star{display:inline-block;animation:star-once 1s ease forwards}@keyframes star-once{0%{transform:rotate(0deg) scale(1)}50%{transform:rotate(180deg) scale(1.4)}to{transform:rotate(1turn) scale(1)}}.my-progress-btn{padding:6px 14px;background:rgba(138,180,248,.06);border:1px solid rgba(138,180,248,.15);border-radius:100px;font-size:12px;font-weight:500;color:rgba(138,180,248,.8);cursor:pointer;transition:all .2s ease;font-family:inherit}.my-progress-btn:hover{background:rgba(138,180,248,.1);border-color:rgba(138,180,248,.3)}.progress-modal-overlay{position:fixed;inset:0;z-index:500;background:rgba(3,6,15,.96);backdrop-filter:blur(20px)}.progress-modal-close,.progress-modal-overlay{display:flex;align-items:center;justify-content:center}.progress-modal-close{position:absolute;top:20px;right:20px;width:32px;height:32px;border:none;background:none;color:hsla(0,0%,100%,.4);cursor:pointer;font-size:20px;transition:color .2s}.progress-modal-close:hover{color:hsla(0,0%,100%,.8)}@media (max-width:768px){.level-map-sidebar{display:none}.hud-bar{height:44px}.hud-bar,.hud-level-text,.hud-streak,.hud-xp{font-size:11px}.level-up-card{width:calc(100vw - 48px);max-width:340px}.progress-modal-overlay .level-map-sidebar{display:block;width:100%;height:80vh;border-right:none;transform:scale(.8);transform-origin:center center}}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}