:root{--bg:#f5f5f7;--card:#ffffff;--ink:#0a0a0a;--ink-soft:#3f3f46;--muted:#71717a;--border:#e4e4e7;--border-strong:#d4d4d8;--ink-disabled:#a1a1aa;--surface-alt:#f4f4f5;--on-ink:#ffffff;--sidebar:#0a0a0a;--sidebar-ink:#fafafa;--sidebar-muted:#a1a1aa;--sidebar-line:#27272a;--success:#16a34a;--success-soft:#f0fdf4;--success-border:#bbf7d0;--danger:#b42318;--danger-soft:#fef3f2;--danger-border:#fecdca;--radius-sm:8px;--radius:12px;--radius-lg:14px;--shadow-card:0 1px 2px rgba(9,9,11,.04);--shadow-lift:0 4px 12px rgba(9,9,11,.06);--ring:0 0 0 3px rgba(9,9,11,.09);--transition:200ms cubic-bezier(.2,0,0,1);--accent:#0a0a0a;--accent-hover:#262626}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3{letter-spacing:-.01em;line-height:1.25}a{color:var(--ink);-webkit-text-decoration-color:var(--border-strong);text-decoration-color:var(--border-strong);text-underline-offset:2px;transition:-webkit-text-decoration-color var(--transition);transition:text-decoration-color var(--transition);transition:text-decoration-color var(--transition),-webkit-text-decoration-color var(--transition)}a:hover{-webkit-text-decoration-color:var(--ink);text-decoration-color:var(--ink)}button{font-family:inherit;font-size:inherit}:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:var(--radius-sm)}input,select,textarea{font-family:inherit;font-size:1rem;color:var(--ink);background:var(--card);transition:border-color var(--transition),box-shadow var(--transition)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink)!important;box-shadow:var(--ring)}input::placeholder,textarea::placeholder{color:var(--ink-disabled)}input[type=checkbox],input[type=radio]{accent-color:var(--ink);width:1rem;height:1rem;flex:none}.shell{display:flex;min-height:100vh;min-height:100dvh}.shell-sidebar{width:224px;flex:none;background:var(--sidebar);color:var(--sidebar-ink);padding:1.5rem 1.15rem;display:flex;flex-direction:column;gap:2rem;position:-webkit-sticky;position:sticky;top:0;height:100vh;height:100dvh}.shell-main{flex:1 1;min-width:0;display:flex;flex-direction:column}.shell-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:1.25rem;padding:0 2rem;height:56px;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}.shell-content{flex:1 1;padding:3.5rem 2rem 6rem}.shell-column{max-width:34rem;margin:0 auto}.shell-column.is-wide{max-width:52rem}.plan-grid{display:grid;grid-gap:1.25rem;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));align-items:stretch}.composer{display:flex;align-items:center;gap:.5rem;padding:.3rem .3rem .3rem .25rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:border-color var(--transition),box-shadow var(--transition)}.composer:focus-within{border-color:var(--ink);box-shadow:var(--ring)}.composer input{flex:1 1;min-width:0;border:0;background:transparent;padding:.55rem .7rem;font-size:.95rem}.composer input:focus{outline:none;border-color:transparent!important;box-shadow:none}.composer button{flex:none;border:0;border-radius:calc(var(--radius) - 4px);padding:.5rem .95rem;font-size:.875rem;font-weight:500;transition:background var(--transition),opacity var(--transition)}@media (max-width:900px){.shell-sidebar{display:none}.shell-header{padding:0 1.5rem}.shell-content{padding:3rem 1.5rem 5rem}}@media (max-width:640px){.plan-grid{grid-template-columns:1fr}.shell-header{height:56px;gap:.85rem}.shell-content{padding:2.5rem 1.25rem 4.5rem}}@media (prefers-reduced-motion:reduce){*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}}