:root{--bg:#0b0b0c;--surface:#121213;--surface-2:#17171a;--surface-3:#1f1f22;--border:#232326;--border-strong:#34343a;--text:#ece9e4;--text-dim:#97938c;--primary:#ece9e4;--primary-hover:#ffffff;--primary-ink:#101011;--brass:#c8a04a;--brass-2:#a2802f;--brass-dim:#3d3116;--brass-ink:#17130a;--slate:#8ba3c4;--slate-2:#6a83a6;--slate-dim:#263141;--success:#6faa84;--success-dim:#23392c;--danger:#d0736a;--danger-dim:#402322;--warn:#c9974a;--text-xs:0.76rem;--text-sm:0.86rem;--text-base:0.95rem;--text-md:1.06rem;--text-lg:1.28rem;--text-xl:1.56rem;--text-2xl:1.9rem;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:22px;--sp-6:30px;--sp-7:42px;--sp-8:60px;--radius:10px;--radius-sm:7px;--radius-lg:14px;--shadow:0 16px 40px rgba(0,0,0,0.55);--shadow-sm:0 3px 12px rgba(0,0,0,0.4);--maxw:1120px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth}body{margin:0;padding:0;color:var(--text);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:rgba(200,160,74,.26);color:var(--text)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#2a2a2f;border-radius:8px;border:3px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:#3a3a41}a{color:var(--slate);text-decoration:none;transition:color .15s ease}a:hover{color:#a9bedb}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.015em;font-weight:650}h1{font-size:var(--text-xl);letter-spacing:-.022em}h2{font-size:var(--text-lg)}h3{font-size:var(--text-md)}h3,h4{font-weight:600}h4{font-size:var(--text-base)}p{margin:0 0 1em}.gradient-text{color:var(--brass)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--surface-2);padding:1.5px 6px;border-radius:5px;font-size:.86em;border:1px solid var(--border);color:var(--text-dim)}.container{max-width:var(--maxw);margin:0 auto;padding:var(--sp-6) var(--sp-5) var(--sp-8)}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(11,11,12,.85);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--maxw);margin:0 auto;gap:var(--sp-3);padding:0 var(--sp-5);height:58px}.brand,.nav-inner{display:flex;align-items:center}.brand{font-weight:650;letter-spacing:-.02em;font-size:var(--text-md);gap:var(--sp-2);flex-shrink:0}.brand,.brand:hover{color:var(--text)}.brand .mark{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:6px;background:var(--brass);color:var(--brass-ink)}.nav-links{display:flex;gap:2px;flex-wrap:nowrap}.nav-links a{color:var(--text-dim);padding:6px 10px;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:500;white-space:nowrap;transition:color .15s ease,background .15s ease}.nav-links a.active,.nav-links a:hover{color:var(--text);background:var(--surface-2)}.nav-links a.active{box-shadow:inset 2px 0 0 var(--brass)}.nav-spacer{flex:1 1}.nav-user{display:flex;align-items:center;gap:var(--sp-2);color:var(--text-dim);font-size:var(--text-sm);flex-shrink:0}.nav-user .name{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.xp-pill{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-size:var(--text-xs);color:var(--brass);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--sp-5);transition:border-color .15s ease,background .15s ease}.card.hover:hover,a.card:hover{border-color:var(--border-strong);background:var(--surface-2)}.card .card,.card .stat{background:var(--surface-2)}.card .card:hover,.card a.card:hover{background:var(--surface-3)}.grid{display:grid;grid-gap:var(--sp-3);gap:var(--sp-3)}.grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(258px,1fr))}.grid.cols-4{grid-template-columns:repeat(auto-fill,minmax(198px,1fr))}.muted{color:var(--text-dim)}.small{font-size:var(--text-sm)}.row{display:flex;gap:var(--sp-2);align-items:center}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:var(--sp-4)}.stack.tight{gap:var(--sp-2)}.mt{margin-top:var(--sp-4)}.mb{margin-bottom:var(--sp-4)}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap}.page-head h1{margin:0}.page-head .sub{color:var(--text-dim);font-size:var(--text-sm);margin:var(--sp-1) 0 0}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--sp-4);display:flex;flex-direction:column;gap:var(--sp-1)}.stat .stat-label{color:var(--text-dim);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.07em;font-weight:600}.stat .stat-value{font-size:var(--text-xl);font-weight:650;line-height:1.15;letter-spacing:-.02em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stat .stat-value.capitalize{text-transform:capitalize}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text);padding:9px 16px;border-radius:var(--radius-sm);font-size:var(--text-base);font-weight:550;cursor:pointer;transition:border-color .15s,background .15s,opacity .15s}.btn:hover{text-decoration:none;border-color:#45454d;background:var(--surface-3)}.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:600}.btn.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn.ghost{background:transparent;border-color:var(--border)}.btn.ghost:hover{background:var(--surface-2)}.btn.danger{border-color:var(--danger-dim);color:var(--danger);background:transparent}.btn.danger:hover{background:rgba(208,115,106,.09);border-color:var(--danger)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:disabled:hover{background:var(--surface-2);border-color:var(--border-strong)}.btn.primary:disabled:hover{background:var(--primary);border-color:var(--primary)}.btn.sm{padding:6px 11px}.btn.sm,label{font-size:var(--text-sm)}label{display:block;font-weight:500;color:var(--text-dim);margin-bottom:6px}input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--border-strong);color:var(--text);border-radius:var(--radius-sm);padding:10px 12px;font:inherit;font-size:var(--text-base);transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:#6d6a65}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brass-2);box-shadow:0 0 0 3px rgba(200,160,74,.14)}textarea{resize:vertical;min-height:120px;line-height:1.55}.field{margin-bottom:var(--sp-3)}:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:var(--text-xs);font-weight:600;padding:2px 8px;border-radius:5px;border:1px solid var(--border);color:var(--text-dim);background:var(--surface-2);white-space:nowrap}.badge.primary{color:var(--slate);border-color:var(--slate-dim);background:rgba(139,163,196,.08)}.badge.accent{color:var(--brass);border-color:var(--brass-dim);background:rgba(200,160,74,.08)}.badge.success{color:var(--success);border-color:var(--success-dim);background:rgba(111,170,132,.08)}.badge.danger{color:var(--danger);border-color:var(--danger-dim);background:rgba(208,115,106,.08)}.tag-list{display:flex;gap:6px;flex-wrap:wrap}.bar,.meter{height:6px;background:var(--surface-3);border-radius:999px;overflow:hidden}.bar>span,.meter>span{display:block;height:100%;background:var(--brass);border-radius:999px;transition:width .5s cubic-bezier(.22,1,.36,1)}.bar.accent>span{background:var(--slate)}.meter{height:7px}.meter.warn>span{background:var(--warn)}.meter.full>span{background:var(--danger)}.alert{border-radius:var(--radius-sm);padding:10px 14px;font-size:var(--text-base);border:1px solid var(--border);background:var(--surface-2)}.alert.error{border-color:var(--danger-dim);background:rgba(208,115,106,.07);color:#e9a49c}.alert.ok{border-color:var(--success-dim);background:rgba(111,170,132,.07);color:#a3d3b3}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:var(--sp-5)}.auth-card{width:100%;max-width:400px}.turn{border:1px solid var(--border);border-radius:var(--radius);padding:var(--sp-4) var(--sp-5);background:var(--surface)}.turn.user{border-left:2px solid var(--brass)}.turn.ai{border-left:2px solid var(--slate)}.turn-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--sp-2)}.score-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:6px;gap:6px;margin-top:var(--sp-3)}.score-item{background:var(--surface-2);border-radius:var(--radius-sm);padding:6px 10px;font-size:var(--text-xs);display:flex;justify-content:space-between;gap:var(--sp-2);border:1px solid var(--border);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.chat{display:flex;flex-direction:column;gap:var(--sp-3)}.bubble{max-width:80%;padding:10px 14px;border-radius:var(--radius);white-space:pre-wrap;line-height:1.55;font-size:var(--text-base)}.bubble.user{align-self:flex-end;background:var(--surface-3);border:1px solid var(--border-strong)}.bubble.assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--border);border-left:2px solid var(--slate)}.spinner{width:15px;height:15px;border:2px solid var(--border-strong);border-top-color:var(--brass);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.center-state{text-align:center;padding:var(--sp-8) var(--sp-5);color:var(--text-dim)}.list-reset{list-style:none;margin:0;padding:0}hr{border:none;border-top:1px solid var(--border);margin:var(--sp-4) 0}.nav-toggle{display:none;align-items:center;justify-content:center;width:36px;height:32px;background:transparent;border:1px solid var(--border-strong);color:var(--text);border-radius:var(--radius-sm);font-size:1.1rem;cursor:pointer;flex-shrink:0}.nav-toggle:hover{border-color:var(--brass-dim);color:var(--brass)}.plan-badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);padding:4px 11px;border-radius:999px;font-size:var(--text-xs);font-weight:650;white-space:nowrap}.plan-badge:hover{border-color:var(--brass-dim);color:var(--text)}.plan-badge.free{color:var(--brass);border-color:var(--brass-dim)}.plan-badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor}.plan-grid{display:grid;grid-gap:var(--sp-4);gap:var(--sp-4);grid-template-columns:repeat(auto-fit,minmax(230px,1fr));align-items:stretch}.plan-card{display:flex;flex-direction:column;gap:var(--sp-3);position:relative}.plan-card.featured{border-color:var(--brass-dim)}.plan-card .price{font-size:var(--text-2xl);font-weight:650;line-height:1.1;letter-spacing:-.03em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.plan-card .price small{font-size:var(--text-sm);color:var(--text-dim);font-weight:500}.plan-card ul.perks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;flex:1 1}.plan-card ul.perks li{font-size:var(--text-sm);padding-left:20px;position:relative;line-height:1.45;color:var(--text-dim)}.plan-card ul.perks li:before{content:"";left:3px;top:.62em;width:6px;height:6px;border-radius:50%}.plan-card ul.perks li:before,.ribbon{position:absolute;background:var(--brass)}.ribbon{top:-9px;right:var(--sp-4);color:var(--brass-ink);font-size:var(--text-xs);font-weight:700;padding:2px 10px;border-radius:4px;letter-spacing:.04em;text-transform:uppercase}.modal-overlay{position:fixed;inset:0;background:rgba(6,6,7,.76);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;padding:var(--sp-4);z-index:50;animation:rt-fade .15s ease}.modal{width:100%;max-width:640px;max-height:90vh;overflow:auto;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:var(--sp-5);animation:rt-pop .16s ease}.modal-close{background:transparent;border:none;color:var(--text-dim);font-size:1.4rem;line-height:1;cursor:pointer;padding:0 4px}.modal-close:hover{color:var(--text)}@keyframes rt-fade{0%{opacity:0}to{opacity:1}}@keyframes rt-pop{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.skeleton{background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 37%,var(--surface-2) 63%);background-size:400% 100%;animation:rt-shimmer 1.3s ease-in-out infinite;border-radius:6px}@keyframes rt-shimmer{0%{background-position:100% 0}to{background-position:0 0}}.toast{position:fixed;bottom:var(--sp-5);left:50%;transform:translateX(-50%);background:var(--surface-3);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:10px 18px;box-shadow:var(--shadow);z-index:60;font-size:var(--text-base);animation:rt-pop .16s ease}.toast.ok{border-color:var(--success-dim);color:#a3d3b3}.toast.err{border-color:var(--danger-dim);color:#e9a49c}.hero{padding:var(--sp-8) 0 var(--sp-6);border-bottom:1px solid var(--border)}.hero h1{font-size:clamp(2rem,4.6vw,3.1rem);letter-spacing:-.032em;line-height:1.08}.eyebrow,.hero h1{font-weight:600;margin-bottom:var(--sp-4)}.eyebrow{display:inline-block;font-size:var(--text-xs);letter-spacing:.13em;text-transform:uppercase;color:var(--text-dim)}.feature-icon{display:block;font-family:Georgia,Times New Roman,serif;font-size:var(--text-md);color:var(--brass);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;border-top:1px solid var(--brass-dim);padding-top:var(--sp-3);margin-bottom:var(--sp-3)}@media (max-width:1100px){.nav-toggle{display:inline-flex}.nav-inner{gap:var(--sp-2)}.nav-links{position:absolute;top:58px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:rgba(11,11,12,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);padding:var(--sp-2);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a,.nav-links button{width:100%;padding:11px;text-align:left;font-size:var(--text-base)}.nav-user .hide-mobile{display:none}}@media (min-width:1101px){.nav-links .mobile-only{display:none}}@media (max-width:600px){.container{padding:var(--sp-5) var(--sp-3) var(--sp-7)}h1{font-size:var(--text-lg)}h2{font-size:var(--text-md)}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.bubble{max-width:92%}.turn{padding:var(--sp-3)}.card,.modal{padding:var(--sp-4)}.hero{padding:var(--sp-6) 0 var(--sp-5)}.score-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}}@media (max-width:380px){.btn{padding:9px 13px}}