:root{color-scheme:dark;--paper:#0a0a0a;--paper-2:#111;--paper-3:#1b1b1b;--paper-elev:#151515;--ink:#f5f5f5;--ink-soft:rgba(245,245,245,0.62);--ink-mute:rgba(245,245,245,0.36);--ink-line:rgba(255,255,255,0.12);--ink-faint:rgba(255,255,255,0.08);--cinema:#0f0f0f;--cinema-2:#151515;--cinema-deep:#0a0a0a;--cinema-line:rgba(255,255,255,0.12);--kp-accent:#c84531;--kp-accent-hover:#a83a2a;--kp-accent-soft:rgba(200,69,49,0.14);--kp-success:#2fe66b;--kp-warn:#ffbd3e;--kp-info:#6ea2ff;--kp-danger:#df4a3c;--kp-music:#8b5cf6;--kp-translation:#6ea2ff;--kp-line:rgba(255,255,255,0.1);--kp-line-strong:rgba(255,255,255,0.18);--kp-shadow:none;--kp-shadow-sm:none;--bg:var(--paper);--fg:var(--ink);--accent:var(--kp-accent);--danger:var(--kp-danger);--success:var(--kp-success);--info:var(--kp-info);--warning:var(--kp-warn);--font-display:"Inter Tight",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--font-body:"Inter Tight",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;--r-1:4px;--r-2:8px;--r-3:14px;--r-4:28px;--r-pill:999px;--border-thick:1px solid var(--kp-line-strong);--border-soft:1px solid var(--kp-line);--sh-sm:none;--sh:none;--sh-lg:none;--ease:cubic-bezier(0.22,1,0.36,1);--dur-fast:120ms;--dur:240ms;--dur-slow:480ms;--content-max:1240px;font-family:var(--font-body);font-size:17px;line-height:1.55;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body,html{background:var(--paper)}body{min-height:100vh;color:var(--ink)}body,h1,h2,h3,h4,p,ul{margin:0}ul{padding:0;list-style:none}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{color:inherit}::selection{background:var(--kp-accent);color:#fff}.hidden{display:none!important}.btn{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--kp-line-strong);border-radius:4px;padding:0 14px;background:var(--paper-elev);color:var(--ink);font-size:13px;font-weight:700;text-decoration:none}.btn:hover{border-color:rgba(255,255,255,.34);background:var(--paper-3)}.btn--ink{border-color:var(--kp-accent);background:var(--kp-accent);color:#fff}.btn--ghost{background:transparent}.billing-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px;background:var(--paper);color:var(--ink)}.billing-page__card{width:min(480px,100%);display:flex;flex-direction:column;gap:16px;border:1px solid var(--kp-line);border-radius:4px;background:var(--paper-elev);padding:40px}.billing-page__eyebrow{color:var(--kp-accent);font-family:var(--font-mono);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.billing-page__card h1{font-size:34px;line-height:1}.billing-page__card p{color:var(--ink-soft)}.billing-page__hint{color:var(--ink-mute);font-size:13px}