:root{--surface-0: #08090c;--surface-1: #0e1016;--surface-2: #141822;--surface-3: #1c212e;--surface-hi: #232939;--line: rgba(255, 255, 255, .075);--line-strong: rgba(255, 255, 255, .14);--ink: #f3f5f9;--ink-2: #a5aec0;--ink-3: #6b7488;--ink-4: #464e60;--lang-h: 42;--accent: hsl(var(--lang-h) 82% 62%);--accent-soft: hsl(var(--lang-h) 82% 62% / .14);--accent-line: hsl(var(--lang-h) 82% 62% / .34);--accent-glow: hsl(var(--lang-h) 90% 60% / .28);--accent-bright: hsl(var(--lang-h) 82% 62%);--on-accent: #08090c;--heat-empty: rgba(255, 255, 255, .045);--good: #3fd68b;--warn: #ffa23a;--bad: #ff5d5d;--gold: #ffc24b;--r-common: #8fa3bf;--r-uncommon: #4fd1a0;--r-rare: #5aa9ff;--r-epic: #b57bff;--r-legendary: #ffc24b;--r-sm: 8px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--card-ratio: .715;--ease: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--font-display: "Fraunces", "Iowan Old Style", Georgia, serif;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-target: "Noto Serif SC", "Songti SC", serif;--shadow-1: 0 1px 2px rgba(0, 0, 0, .4);--shadow-2: 0 8px 24px -8px rgba(0, 0, 0, .6);--shadow-3: 0 24px 64px -20px rgba(0, 0, 0, .8);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}*{margin:0}html,body,#root{height:100%}body{font-family:var(--font-ui);font-size:15px;line-height:1.55;color:var(--ink);background:var(--surface-0);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background:radial-gradient(120% 80% at 50% -20%,hsl(var(--lang-h) 60% 40% / .18),transparent 60%),radial-gradient(80% 60% at 100% 100%,hsl(calc(var(--lang-h) + 140) 60% 40% / .1),transparent 65%),linear-gradient(180deg,#0a0b10,#08090c 40%,#070810)}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;opacity:.035;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E")}#root{position:relative;z-index:2}img,svg{display:block;max-width:100%}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:none;padding:0}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}::selection{background:var(--accent-soft);color:var(--ink)}*{scrollbar-width:thin;scrollbar-color:var(--surface-3) transparent}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:99px;border:3px solid transparent;background-clip:content-box}*::-webkit-scrollbar-thumb:hover{background:var(--surface-hi);background-clip:content-box}.display{font-family:var(--font-display);font-weight:500;letter-spacing:-.02em;line-height:1.06;font-variation-settings:"opsz" 96}h1.display{font-size:clamp(2.1rem,5vw,3.4rem)}h2.display{font-size:clamp(1.5rem,3vw,2.1rem)}h3.display{font-size:1.25rem}.eyebrow{font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}.muted{color:var(--ink-2)}.faint{color:var(--ink-3)}.target-text{font-family:var(--font-target);font-weight:600;letter-spacing:.01em}.romanization{font-size:.85em;letter-spacing:.04em;color:var(--ink-2);font-weight:500}.shell{min-height:100%;display:grid;grid-template-columns:236px 1fr}.page{padding:40px clamp(20px,4vw,56px) 120px;max-width:1360px;width:100%;margin:0 auto;animation:page-in .5s var(--ease) both}@keyframes page-in{0%{opacity:0;transform:translateY(10px)}}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}.stack{display:flex;flex-direction:column}.row{display:flex;align-items:center}.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.wrap{flex-wrap:wrap}.grow{flex:1}.rail{position:sticky;top:0;height:100vh;padding:26px 16px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);background:linear-gradient(180deg,#14182299,#08090c66);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:40}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 22px}.brand-mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--on-accent);background:linear-gradient(145deg,var(--accent-bright),hsl(var(--lang-h) 90% 74%));box-shadow:0 0 24px var(--accent-glow)}.brand-name{font-family:var(--font-display);font-size:1.02rem;font-weight:600;letter-spacing:-.01em}.nav-item{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:var(--r-md);color:var(--ink-2);font-size:.9rem;font-weight:500;transition:background .18s,color .18s,transform .18s var(--ease);position:relative}.nav-item:hover{background:#ffffff0a;color:var(--ink)}.nav-item.active{color:var(--ink);background:linear-gradient(90deg,var(--accent-soft),transparent 80%)}.nav-item.active:before{content:"";position:absolute;left:-16px;top:50%;translate:0 -50%;width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--accent);box-shadow:0 0 14px var(--accent-glow)}.nav-glyph{width:20px;text-align:center;font-size:.98rem;opacity:.85}.nav-badge{margin-left:auto;min-width:20px;height:20px;padding:0 6px;border-radius:99px;display:grid;place-items:center;font-size:.68rem;font-weight:700;background:var(--accent-bright);color:var(--on-accent)}.panel{background:linear-gradient(160deg,#1c212e9e,#0e1016b3);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;position:relative;overflow:hidden}.panel:before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent)}.panel-tight{padding:16px}.panel-accent{border-color:var(--accent-line);box-shadow:0 0 0 1px var(--accent-soft),0 20px 50px -30px var(--accent-glow)}.divider{height:1px;background:var(--line);margin:18px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--r-md);font-size:.9rem;font-weight:600;letter-spacing:-.005em;border:1px solid var(--line-strong);background:linear-gradient(180deg,var(--surface-3),var(--surface-2));color:var(--ink);transition:transform .14s var(--ease),border-color .18s,background .18s,box-shadow .18s;white-space:nowrap}.btn:hover:not(:disabled){border-color:#ffffff3d;transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(1px) scale(.99)}.btn:disabled{opacity:.42;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg,hsl(var(--lang-h) 88% 66%),hsl(var(--lang-h) 82% 55%));border-color:hsl(var(--lang-h) 90% 72%);color:#0a0b10;box-shadow:0 8px 28px -10px var(--accent-glow),inset 0 1px #ffffff59}.btn-primary:hover:not(:disabled){box-shadow:0 12px 34px -10px var(--accent-glow),inset 0 1px #ffffff73}.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2)}.btn-ghost:hover:not(:disabled){color:var(--ink);background:#ffffff0a}.btn-lg{padding:14px 26px;font-size:.98rem;border-radius:var(--r-lg)}.btn-sm{padding:6px 12px;font-size:.8rem;border-radius:var(--r-sm)}.btn-danger{color:var(--bad);border-color:#ff5d5d4d}.field{width:100%;padding:12px 15px;border-radius:var(--r-md);background:#08090c99;border:1px solid var(--line);color:var(--ink);transition:border-color .18s,box-shadow .18s,background .18s}.field::placeholder{color:var(--ink-4)}.field:focus{outline:none;border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-soft);background:#08090cd9}textarea.field{resize:vertical;min-height:96px;line-height:1.6}.label{font-size:.78rem;font-weight:600;color:var(--ink-2);margin-bottom:7px;display:block}.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:99px;font-size:.78rem;font-weight:600;border:1px solid var(--line);background:#ffffff08;color:var(--ink-2);transition:all .18s var(--ease);white-space:nowrap}.chip:hover{color:var(--ink);border-color:var(--line-strong)}.chip.on{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent)}.chip-dot{width:7px;height:7px;border-radius:99px;background:currentColor}.card-frame{position:relative;aspect-ratio:var(--card-ratio);border-radius:var(--r-lg);transform-style:preserve-3d;transition:transform .4s var(--ease),box-shadow .4s var(--ease);will-change:transform;cursor:pointer;--rarity: var(--r-common);--tilt-x: 0deg;--tilt-y: 0deg;--mx: 50%;--my: 50%;transform:perspective(900px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y))}.card-frame:hover{z-index:5}.card-face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;overflow:hidden;padding:15px 14px 13px;display:flex;flex-direction:column;background:linear-gradient(165deg,rgba(255,255,255,.06),transparent 42%),linear-gradient(180deg,var(--surface-3) 0%,var(--surface-1) 52%,#0a0c12 100%);border:1px solid color-mix(in srgb,var(--rarity) 34%,transparent);box-shadow:inset 0 1px #ffffff1a,inset 0 0 26px -14px var(--rarity),0 10px 30px -14px #000000e6;transition:box-shadow .4s var(--ease),border-color .4s var(--ease)}.card-frame:hover .card-face{border-color:color-mix(in srgb,var(--rarity) 62%,transparent);box-shadow:inset 0 1px #ffffff29,inset 0 0 34px -12px var(--rarity),0 22px 48px -16px #000000f2,0 0 46px -20px var(--rarity)}.card-foil{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:0;transition:opacity .35s var(--ease);background:radial-gradient(circle at var(--mx) var(--my),rgba(255,255,255,.22),rgba(255,255,255,.06) 30%,transparent 62%);mix-blend-mode:soft-light}.card-frame:hover .card-foil{opacity:1}.card-prism{position:absolute;top:-30%;right:-30%;bottom:-30%;left:-30%;pointer-events:none;opacity:0;mix-blend-mode:color-dodge;background:conic-gradient(from calc((var(--mx) - 50%) * 3.6deg),#ff6b9d,#ffc24b,#4fd1a0,#5aa9ff,#b57bff,#ff6b9d);filter:blur(18px);transition:opacity .4s var(--ease)}.card-grain{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.06;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23g)'/%3E%3C/svg%3E")}.card-frame[data-tier=ghost]{cursor:default}.card-frame[data-tier=ghost] .card-face{background:repeating-linear-gradient(-45deg,rgba(255,255,255,.014) 0 8px,transparent 8px 16px),var(--surface-1);border-style:dashed;border-color:var(--line);box-shadow:none}.card-frame[data-tier=ink] .card-face{background:linear-gradient(165deg,rgba(255,255,255,.08),transparent 44%),linear-gradient(180deg,#1b2130,#10131c 55%,#0a0c12)}.card-frame[data-tier=satin] .card-face:after,.card-frame[data-tier=metal] .card-face:after,.card-frame[data-tier=foil] .card-face:after,.card-frame[data-tier=prismatic] .card-face:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(115deg,transparent 30%,color-mix(in srgb,var(--rarity) 18%,transparent) 46%,rgba(255,255,255,.14) 50%,color-mix(in srgb,var(--rarity) 18%,transparent) 54%,transparent 70%);background-size:260% 260%;background-position:calc(var(--mx) * 1.4) calc(var(--my) * 1.4);mix-blend-mode:overlay}.card-frame[data-tier=metal] .card-face,.card-frame[data-tier=foil] .card-face{border-width:1.5px}.card-frame[data-tier=foil] .card-face{box-shadow:inset 0 1px #ffffff38,inset 0 0 40px -12px var(--rarity),0 14px 40px -16px #000000e6,0 0 28px -14px var(--rarity)}.card-frame[data-tier=prismatic] .card-prism{opacity:.2}.card-frame[data-tier=prismatic]:hover .card-prism{opacity:.36}.card-frame[data-tier=prismatic] .card-face{border-color:transparent;background:linear-gradient(180deg,var(--surface-3),var(--surface-1) 60%,#0a0c12) padding-box,conic-gradient(from 0deg,#ff6b9d,#ffc24b,#4fd1a0,#5aa9ff,#b57bff,#ff6b9d) border-box;border-width:1.5px;border-style:solid}.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;position:relative;z-index:2}.card-pos{font-size:.6rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.card-word{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:5px;padding:6px 0;min-height:0}.card-word-main{font-family:var(--font-target);font-weight:600;font-size:clamp(1.35rem,2.4vw,1.9rem);line-height:1.15;letter-spacing:.015em;overflow-wrap:anywhere;text-shadow:0 2px 14px rgba(0,0,0,.6)}.card-word-roman{font-size:.72rem;letter-spacing:.06em;color:var(--ink-2);font-weight:500}.card-meaning{position:relative;z-index:2;font-size:.72rem;line-height:1.35;color:var(--ink-2);text-align:center;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}.card-foot{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:6px;padding-top:8px;border-top:1px solid rgba(255,255,255,.07)}.card-rarity-pip{display:inline-flex;align-items:center;gap:5px;font-size:.6rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--rarity)}.card-rarity-pip:before{content:"";width:6px;height:6px;border-radius:2px;rotate:45deg;background:var(--rarity);box-shadow:0 0 8px var(--rarity)}.tone-row{display:flex;gap:3px;justify-content:center}.tone-pip{width:5px;height:5px;border-radius:99px;box-shadow:0 0 6px currentColor;background:currentColor}.card-due-flag{position:absolute;top:0;right:0;width:34px;height:34px;z-index:3;background:linear-gradient(225deg,var(--accent) 0 50%,transparent 50%);border-top-right-radius:var(--r-lg)}.card-fav{position:absolute;top:12px;left:12px;z-index:3;font-size:.7rem;color:var(--gold);filter:drop-shadow(0 0 6px rgba(255,194,75,.6))}.binder{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:clamp(12px,1.6vw,20px)}.binder-lg{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.binder>*{animation:deal .5s var(--ease) both;animation-delay:calc(var(--i, 0) * 22ms)}@keyframes deal{0%{opacity:0;transform:translateY(18px) rotate(calc(var(--i, 0) * .4deg - 1deg)) scale(.95)}}.ring{transform:rotate(-90deg)}.ring-track{fill:none;stroke:#ffffff14}.ring-fill{fill:none;stroke-linecap:round;transition:stroke-dashoffset .9s var(--ease);filter:drop-shadow(0 0 5px currentColor)}.bar{height:8px;border-radius:99px;background:#ffffff12;overflow:hidden;position:relative}.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,hsl(var(--lang-h) 80% 52%),hsl(var(--lang-h) 92% 68%));box-shadow:0 0 14px var(--accent-glow);transition:width .9s var(--ease);position:relative}.bar-fill:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:sweep 2.6s var(--ease-in-out) infinite}@keyframes sweep{0%{transform:translate(-100%)}to{transform:translate(200%)}}.bar-thin{height:5px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat{padding:15px 16px;border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(160deg,#1c212e80,#0e101680)}.stat-value{font-family:var(--font-display);font-size:1.65rem;font-weight:600;line-height:1;letter-spacing:-.02em}.stat-label{font-size:.72rem;color:var(--ink-3);margin-top:5px;font-weight:500}.drill{max-width:640px;margin:0 auto;width:100%}.drill-prompt{font-family:var(--font-display);font-size:clamp(1.3rem,3vw,1.8rem);font-weight:500;letter-spacing:-.015em;text-align:center;margin-bottom:8px}.options{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.option{padding:16px 18px;border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(180deg,var(--surface-2),var(--surface-1));text-align:left;transition:all .18s var(--ease);position:relative;overflow:hidden}.option:hover:not(:disabled){border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-2)}.option:disabled{cursor:default}.option.correct{border-color:var(--good);background:linear-gradient(180deg,#3fd68b29,#3fd68b0d);box-shadow:0 0 0 1px #3fd68b4d,0 0 30px -12px var(--good)}.option.wrong{border-color:var(--bad);background:linear-gradient(180deg,#ff5d5d24,#ff5d5d0a);animation:shake .4s var(--ease-in-out)}.option.dimmed{opacity:.34}@keyframes shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(4px)}30%,50%,70%{transform:translate(-6px)}40%,60%{transform:translate(6px)}}.option-target{font-family:var(--font-target);font-size:1.15rem;font-weight:600}.chunk-tray{display:flex;flex-wrap:wrap;gap:8px;min-height:62px;padding:12px;border-radius:var(--r-md);border:1px dashed var(--line-strong);background:#08090c66;align-content:flex-start}.chunk{padding:8px 13px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:linear-gradient(180deg,var(--surface-3),var(--surface-2));font-family:var(--font-target);font-size:1rem;font-weight:600;transition:all .16s var(--ease)}.chunk:hover{border-color:var(--accent-line);transform:translateY(-2px)}.call{max-width:460px;margin:0 auto;border-radius:var(--r-xl);border:1px solid var(--line-strong);background:radial-gradient(120% 60% at 50% 0%,hsl(var(--lang-h) 40% 30% / .5),transparent 60%),linear-gradient(180deg,#12151f,#08090c);overflow:hidden;box-shadow:var(--shadow-3)}.call-head{padding:30px 24px 22px;text-align:center;border-bottom:1px solid var(--line)}.call-avatar{width:76px;height:76px;border-radius:99px;margin:0 auto 14px;display:grid;place-items:center;font-size:2rem;background:linear-gradient(145deg,var(--surface-hi),var(--surface-2));border:1px solid var(--line-strong);position:relative}.call-avatar.ringing:after{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:99px;border:2px solid var(--accent);animation:pulse-ring 1.6s var(--ease-in-out) infinite}@keyframes pulse-ring{0%{opacity:.9;transform:scale(1)}to{opacity:0;transform:scale(1.35)}}.call-log{padding:18px;display:flex;flex-direction:column;gap:12px;max-height:46vh;overflow-y:auto}.bubble{max-width:82%;padding:11px 14px;border-radius:16px;font-size:.92rem;animation:bubble-in .3s var(--ease) both}@keyframes bubble-in{0%{opacity:0;transform:translateY(8px) scale(.97)}}.bubble-ai{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:5px}.bubble-user{align-self:flex-end;background:linear-gradient(180deg,hsl(var(--lang-h) 70% 42%),hsl(var(--lang-h) 70% 34%));border-bottom-right-radius:5px;color:#fff}.call-actions{padding:16px 18px 22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}.mic{width:72px;height:72px;border-radius:99px;display:grid;place-items:center;font-size:1.5rem;border:1px solid var(--line-strong);background:linear-gradient(180deg,var(--surface-3),var(--surface-2));transition:all .2s var(--ease);position:relative}.mic:hover{transform:scale(1.05)}.mic.live{background:linear-gradient(180deg,var(--bad),#c93b3b);border-color:var(--bad);box-shadow:0 0 #ff5d5d99;animation:mic-pulse 1.4s var(--ease-in-out) infinite}@keyframes mic-pulse{to{box-shadow:0 0 0 22px #ff5d5d00}}.ascent{position:relative;padding-left:46px}.ascent:before{content:"";position:absolute;left:17px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--accent) 0%,var(--accent) var(--climb, 0%),var(--line) var(--climb, 0%));border-radius:2px}.stage{position:relative;margin-bottom:14px}.stage-node{position:absolute;left:-46px;top:20px;width:36px;height:36px;border-radius:99px;display:grid;place-items:center;font-size:.95rem;border:1px solid var(--line-strong);background:var(--surface-1);z-index:2;transition:all .3s var(--ease)}.stage.complete .stage-node{background:linear-gradient(145deg,var(--accent-bright),hsl(var(--lang-h) 90% 70%));border-color:transparent;color:var(--on-accent);box-shadow:0 0 22px var(--accent-glow)}.stage.current .stage-node{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft),0 0 26px var(--accent-glow);animation:node-breathe 3s var(--ease-in-out) infinite}@keyframes node-breathe{50%{box-shadow:0 0 0 9px transparent,0 0 30px var(--accent-glow)}}.stage.locked{opacity:.42}.stage.locked .stage-node{color:var(--ink-4)}.reward-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:grid;place-items:center;padding:24px;background:#040508db;-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);animation:fade-in .3s var(--ease) both}@keyframes fade-in{0%{opacity:0}}.reward-card{width:min(260px,62vw);animation:reveal .85s var(--ease) both}@keyframes reveal{0%{opacity:0;transform:rotateY(180deg) 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both;max-width:340px}@keyframes toast-in{0%{opacity:0;transform:translate(30px) scale(.95)}}.toast.good{border-color:#3fd68b66}.toast.bad{border-color:#ff5d5d66}.skeleton{background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 50%,var(--surface-2) 75%);background-size:200% 100%;animation:shimmer 1.5s linear infinite;border-radius:var(--r-md)}@keyframes shimmer{to{background-position:-200% 0}}.empty{text-align:center;padding:64px 24px;color:var(--ink-3)}.empty-glyph{font-size:2.6rem;opacity:.32;margin-bottom:14px}.scroll-x{overflow-x:auto;scroll-snap-type:x proximity}.combo{font-family:var(--font-display);font-weight:700;color:var(--gold);animation:combo-pop .4s var(--ease) both}@keyframes combo-pop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.18)}}.xp-float{position:absolute;font-weight:700;color:var(--gold);pointer-events:none;animation:xp-rise 1.1s var(--ease) both}@keyframes xp-rise{to{opacity:0;transform:translateY(-46px) scale(1.15)}}@media(max-width:860px){.shell{grid-template-columns:1fr}.rail{position:fixed;bottom:0;top:auto;left:0;right:0;height:auto;flex-direction:row;justify-content:space-around;padding:8px 8px calc(8px + env(safe-area-inset-bottom));border-right:none;border-top:1px solid var(--line)}.brand,.rail-footer{display:none}.nav-item{flex-direction:column;gap:3px;font-size:.62rem;padding:7px 9px}.nav-item.active:before{left:50%;top:-8px;translate:-50% 0;width:20px;height:3px;border-radius:0 0 3px 3px}.nav-badge{position:absolute;top:2px;right:4px;margin:0}.page{padding:24px 16px 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6px;border-radius:var(--r-sm);flex-shrink:0}.announce-close:hover{opacity:1;background:#ffffff12}.topbar{position:sticky;top:0;z-index:45;display:flex;align-items:center;gap:12px;padding:11px clamp(20px,4vw,56px);background:#08090cb8;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}.topbar[data-stuck=true]{border-bottom-color:var(--line);background:#08090ceb}.topbar-brand{display:none;align-items:center;gap:10px}.topbar-brand:hover{text-decoration:none}@media(max-width:860px){.topbar{padding:10px 16px}.topbar-brand{display:flex}}.account{position:relative}.account-btn{display:flex;align-items:center;gap:9px;padding:4px 11px 4px 4px;border-radius:99px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);cursor:pointer;transition:border-color .18s,background .18s}.account-btn:hover{border-color:var(--line-strong);background:var(--surface-3)}.avatar{width:28px;height:28px;border-radius:99px;display:grid;place-items:center;flex-shrink:0;font-size:.78rem;font-weight:700;color:var(--on-accent);background:linear-gradient(150deg,var(--accent-bright),hsl(calc(var(--lang-h) + 40) 88% 70%))}.account-name{font-size:.85rem;font-weight:600;max-width:168px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:520px){.account-name{display:none}}.account-menu{position:absolute;right:0;top:calc(100% + 8px);width:264px;max-height:min(70vh,520px);overflow-y:auto;z-index:70;padding:6px;box-shadow:var(--shadow-3);animation:step-in .2s var(--ease) both}.account-head{padding:9px 10px 12px;border-bottom:1px solid var(--line);margin-bottom:6px}html[data-theme=light]{--surface-0: #f4f3ef;--surface-1: #faf9f6;--surface-2: #ffffff;--surface-3: #efece5;--surface-hi: #e2ded5;--line: rgba(23, 25, 33, .12);--line-strong: rgba(23, 25, 33, .22);--ink: #15171e;--ink-2: #4d5464;--ink-3: #656d7e;--ink-4: #7c8496;--accent: hsl(var(--lang-h) 76% 27%);--accent-soft: hsl(var(--lang-h) 76% 44% / .12);--accent-line: hsl(var(--lang-h) 66% 36% / .42);--accent-glow: hsl(var(--lang-h) 74% 44% / .22);--good: #0b7346;--warn: #8a5009;--bad: #c62828;--gold: #8a5f08;--r-common: #55647c;--r-uncommon: #0f7351;--r-rare: #1a63b0;--r-epic: #6f3cb8;--r-legendary: #8a5f08;--heat-empty: rgba(23, 25, 33, .07);--shadow-1: 0 1px 2px rgba(23, 25, 33, .07);--shadow-2: 0 8px 24px -10px rgba(23, 25, 33, .18);--shadow-3: 0 24px 64px -22px rgba(23, 25, 33, .26);color-scheme:light}html[data-theme=light] body:before{background:radial-gradient(120% 80% at 50% -20%,hsl(var(--lang-h) 70% 58% / .13),transparent 62%),radial-gradient(80% 60% at 100% 100%,hsl(calc(var(--lang-h) + 140) 60% 58% / .09),transparent 65%),linear-gradient(180deg,#f7f6f2,#f4f3ef 45%,#f1efe9)}html[data-theme=light] body:after{opacity:.02;mix-blend-mode:multiply}html[data-theme=light] .panel{background:linear-gradient(160deg,#fff,#fcfbf9)}html[data-theme=light] .panel:before{background:linear-gradient(90deg,transparent,rgba(23,25,33,.09),transparent)}html[data-theme=light] .rail{background:linear-gradient(180deg,#ffffffc7,#ffffff6b)}html[data-theme=light] .stat{background:linear-gradient(160deg,#fff,#fbfaf7)}html[data-theme=light] .nav-item:not(.active):hover{background:#1719210d}html[data-theme=light] .btn:not(.btn-primary):not(.btn-ghost){background:linear-gradient(180deg,#ffffff,var(--surface-3));box-shadow:var(--shadow-1)}html[data-theme=light] .btn:hover:not(:disabled){border-color:#17192147}html[data-theme=light] .btn-primary{border-color:hsl(var(--lang-h) 62% 44%)}html[data-theme=light] .btn-ghost:hover:not(:disabled){background:#1719210d}html[data-theme=light] .btn-danger{border-color:#c6282857}html[data-theme=light] .chip:not(.on){background:#17192108}html[data-theme=light] .field{background:var(--surface-0)}html[data-theme=light] .field:focus{background:#fff}html[data-theme=light] .chunk-tray{background:#1719210a}html[data-theme=light] .ring-track{stroke:#1719211a}html[data-theme=light] .bar{background:#17192117}html[data-theme=light] .mic.live{color:#fff}html[data-theme=light] .topbar{background:#faf9f6b8}html[data-theme=light] .topbar[data-stuck=true]{background:#faf9f6eb}html[data-theme=light] .announce-close:hover{background:#17192112}html[data-theme=light] .toast{background:#fffffff5}html[data-theme=light] .call{background:radial-gradient(120% 60% at 50% 0%,hsl(var(--lang-h) 60% 62% / .28),transparent 60%),linear-gradient(180deg,#fff,#f4f3ef)}html[data-theme=light] .card-frame,html[data-theme=light] .reward-scrim{--surface-0: #08090c;--surface-1: #0e1016;--surface-2: #141822;--surface-3: #1c212e;--surface-hi: #232939;--line: rgba(255, 255, 255, .075);--line-strong: rgba(255, 255, 255, .14);--ink: #f3f5f9;--ink-2: #a5aec0;--ink-3: #6b7488;--ink-4: #464e60;--accent: var(--accent-bright);--good: #3fd68b;--warn: #ffa23a;--bad: #ff5d5d;--gold: #ffc24b;--r-common: #8fa3bf;--r-uncommon: #4fd1a0;--r-rare: #5aa9ff;--r-epic: #b57bff;--r-legendary: #ffc24b;color:var(--ink);color-scheme:dark}.theme-toggle{width:38px;height:38px;flex-shrink:0;display:grid;place-items:center;border-radius:99px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink-2);transition:color .18s,border-color .18s,background .18s}.theme-toggle:hover{color:var(--ink);border-color:var(--line-strong);background:var(--surface-3)}.theme-toggle-icon{display:grid;place-items:center;animation:theme-icon-in .32s var(--ease) both}@keyframes theme-icon-in{0%{opacity:0;rotate:-90deg;scale:.7}}@media(prefers-reduced-motion:reduce){.theme-toggle-icon{animation:none}}.site{--site-max: 1180px;--site-pad: clamp(20px, 5vw, 56px);min-height:100vh;display:flex;flex-direction:column}.site-wrap{width:100%;max-width:var(--site-max);margin:0 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var(--line);background:var(--surface-2);color:var(--ink);font-size:1.05rem;cursor:pointer}.site-drawer{display:none;flex-direction:column;gap:2px;padding:10px var(--site-pad) 22px;border-top:1px solid var(--line);background:#0a0b10fa;animation:step-in .28s var(--ease) both}.site-drawer a{padding:12px 4px;font-size:.98rem;color:var(--ink-2);border-bottom:1px solid var(--line)}.site-drawer a:hover{color:var(--ink);text-decoration:none}@media(max-width:900px){.site-links{display:none}.site-head-actions>:not(.theme-toggle){display:none}.site-burger{display:grid;place-items:center}.site-drawer[data-open=true]{display:flex}}.site-section{padding-block:clamp(56px,9vw,110px);position:relative}.site-section.tight{padding-block:clamp(40px,6vw,72px)}.site-section+.site-section{padding-top:0}.site-section-head{display:flex;flex-direction:column;gap:14px;max-width:640px;margin-bottom:clamp(28px,4vw,46px)}.site-section-head.centred{margin-inline:auto;text-align:center;align-items:center}.site-section-head p{color:var(--ink-2);font-size:1.02rem;line-height:1.7}.site-rule{height:1px;border:0;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}.hero{position:relative;padding-block:clamp(44px,7vw,84px) clamp(30px,5vw,60px);overflow:hidden}.hero:before{content:"";position:absolute;top:-30%;left:50%;width:min(1100px,120vw);aspect-ratio:1;transform:translate(-50%);background:radial-gradient(circle,var(--accent-glow),transparent 62%);opacity:.5;pointer-events:none;filter:blur(20px)}.hero-grid{position:relative;display:grid;gap:clamp(34px,5vw,60px);align-items:center;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}@media(max-width:940px){.hero-grid{grid-template-columns:minmax(0,1fr)}}.hero-badge{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;padding:6px 12px 6px 8px;border-radius:999px;border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--accent);font-size:.76rem;font-weight:600;letter-spacing:.04em}.hero-badge b{font-weight:700;padding:2px 7px;border-radius:999px;background:var(--accent-bright);color:#10121a;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-size:clamp(2.3rem,5.4vw,4rem)}.hero-sub{font-size:clamp(1rem,1.6vw,1.16rem);color:var(--ink-2);line-height:1.7;max-width:46ch}.hero-rotator{display:inline-block;color:var(--ink);font-weight:600;animation:step-in .5s var(--ease) both}.hero-proof{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:.84rem;color:var(--ink-3)}.hero-proof span{display:inline-flex;align-items:center;gap:7px}.hero-proof span:before{content:"";width:5px;height:5px;border-radius:99px;background:var(--accent);opacity:.8}.card-fan{display:flex;justify-content:center;perspective:1400px;padding-block:14px 26px}.card-fan>div{width:clamp(112px,14vw,172px);margin-inline:clamp(-30px,-2vw,-10px);transform-origin:bottom center;animation:deal .8s var(--ease) both}.demo{display:grid;gap:14px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch}@media(max-width:820px){.demo{grid-template-columns:minmax(0,1fr)}}.demo-prompt{font-family:ui-monospace,SF Mono,Cascadia Code,Menlo,monospace;font-size:.92rem;line-height:1.75;color:var(--ink);min-height:6.2em}.demo-caret{display:inline-block;width:8px;height:1.05em;vertical-align:-2px;margin-left:2px;background:var(--accent);animation:caret 1s steps(2,start) infinite}@keyframes caret{to{opacity:0}}.demo-out{display:flex;flex-direction:column;gap:10px}.demo-line{display:flex;flex-direction:column;gap:3px;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-2);animation:step-in .45s var(--ease) both}.demo-line .target-text{font-size:1.06rem}.grid-auto{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(255px,1fr))}.grid-2{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.feature{display:flex;flex-direction:column;gap:10px;transition:transform .3s var(--ease),border-color 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20px;text-align:center}.metric-value{font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.3rem);color:var(--ink);line-height:1.1}.metric-label{margin-top:6px;font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}.lang-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(168px,1fr))}.lang-chip{display:flex;align-items:center;gap:11px;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-1);transition:border-color .2s,transform .2s var(--ease),background 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