/* Plumbing only: reset, focus, controls. Every site sets its own shape tokens (--rc controls, --rb boxes) and writes its own layout. */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,video,svg{display:block;max-width:100%}
h1,h2,h3,h4,p,ul,ol,dl,dd,dt,figure,blockquote{margin:0}ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:var(--dw,800);line-height:1.08;text-wrap:balance;letter-spacing:var(--dls,-.015em)}
p{text-wrap:pretty}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.wrap{max-width:var(--max,1240px);margin:0 auto;padding-inline:var(--gut)}
:root{--gut:clamp(18px,4.5vw,64px)}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ph{width:1.15em;height:1.15em;flex:none}
.concept{background:var(--panel);color:var(--muted);border-bottom:1px solid var(--line);font-size:.78rem;line-height:1.4;text-align:center;padding:7px 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:var(--rc);border:1.5px solid var(--brand);background:var(--brand);color:var(--on);font-weight:700;text-decoration:none;line-height:1.1;white-space:nowrap;transition:background .18s,border-color .18s,color .18s,transform .12s}
.btn:hover{background:var(--brand-d);border-color:var(--brand-d)}.btn:active{transform:scale(.98)}
.btn.quiet{background:transparent;color:var(--ink);border-color:var(--line)}.btn.quiet:hover{border-color:var(--ink);background:transparent}
.btn.sm{min-height:40px;padding:8px 14px;font-size:.92rem}
.chip{min-height:40px;padding:7px 15px;border-radius:var(--rc);border:1.5px solid var(--line);background:var(--bg);font-weight:600;font-size:.94rem;line-height:1.1;transition:background .15s,border-color .15s,color .15s,transform .12s}
.chip:hover{border-color:var(--ink)}.chip:active{transform:scale(.97)}.chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--on)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field>span{font-size:.9rem;font-weight:600}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 14px;border:1.5px solid var(--line);border-radius:var(--rc);background:var(--bg);color:var(--ink)}
.field textarea{border-radius:var(--rt,var(--rc))}.field ::placeholder{color:var(--muted);opacity:1}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);outline:none}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.field input[type=range],input[type=range]{width:100%;accent-color:var(--brand);height:28px;min-height:28px;padding:0;border:0;background:none}
.stack{display:flex;flex-direction:column;gap:16px}.muted{color:var(--muted)}.small{font-size:.88rem}
#toast{position:fixed;left:50%;bottom:calc(88px + env(safe-area-inset-bottom,0px));transform:translate(-50%,16px);max-width:min(520px,calc(100vw - 32px));background:var(--ink);color:var(--bg);padding:13px 18px;border-radius:var(--rb);font-size:.94rem;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:95;text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}
dialog{border:0;padding:0;border-radius:var(--rb);background:var(--bg);color:var(--ink);width:min(560px,calc(100vw - 24px));max-height:calc(100dvh - 24px);box-shadow:0 30px 80px -30px var(--shade)}
dialog::backdrop{background:var(--scrim,rgba(20,24,18,.55))}
.dlg{padding:26px;display:flex;flex-direction:column;gap:16px}
.x{position:absolute;right:14px;top:14px;width:40px;height:40px;border-radius:var(--rc);border:1.5px solid var(--line);background:var(--bg);display:grid;place-items:center}
.check{display:flex;gap:10px;align-items:flex-start}.check input{width:20px;height:20px;margin-top:3px;accent-color:var(--brand);flex:none}
#theme{width:42px;height:42px;border-radius:var(--rc);border:1.5px solid var(--line);background:none;display:grid;place-items:center;flex:none}
:root[data-theme="dark"] #theme .sun,:root[data-theme="light"] #theme .moon{display:none}
.legal{font-size:.82rem;color:var(--muted);max-width:980px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.chip{transition:none}}