:root{
  --bg:#F3F4F6; --bg2:#D5D8DE; --ink:#16181D; --muted:#5A606B; --panel:#FFFFFF; --line:rgba(22,24,29,.12);
  --brand:#2B3694; --brand-ink:#fff; --brand-soft:#E8EAF6; --ok:#1F8A4C; --ok-soft:#E6F4EC; --warn:#8A3F12; --warn-soft:#FDF0E6; --bad:#A33A2B; --chip:rgba(22,24,29,.06);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0}
body{font-family:Poppins,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;border-radius:999px;padding:9px 16px;background:var(--chip);font-weight:500;white-space:nowrap;min-height:40px}
button:hover{background:rgba(22,24,29,.1)}
button.primary{background:var(--brand);color:var(--brand-ink);font-weight:600}
button.primary:hover{filter:brightness(1.08)}
button.ghost{background:transparent;color:var(--brand);font-weight:600;padding:6px 0;min-height:32px}
button.danger{color:var(--bad)}
button[aria-pressed="true"]{background:var(--brand);color:var(--brand-ink)}
button:disabled{opacity:.5;cursor:default}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
input[type=text],input[type=email],input[type=tel],input[type=password],input[type=url],input[type=search],select,textarea{width:100%;padding:10px 12px;border:1px solid rgba(22,24,29,.18);border-radius:10px;background:#fff;min-height:42px}
/* iPhones zoom the page in when a text box is smaller than 16px, so touch screens get 16px boxes */
@media (max-width:720px), (pointer:coarse){ input:not([type=checkbox]):not([type=radio]):not([type=color]):not([type=range]),select,textarea{font-size:16px !important} }
input[type=color]{width:34px;height:34px;padding:0;border:0;background:none;cursor:pointer}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--brand);margin:0}
label.f{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:0 0 6px}
.muted{color:var(--muted)}
.small{font-size:12px}
.row{display:flex;gap:8px;align-items:center}
.row > *{min-width:0}
.grow{flex:1}
.stack{display:flex;flex-direction:column;gap:6px}
.card{background:var(--panel);border-radius:16px;box-shadow:0 1px 3px rgba(22,24,29,.08)}
.note{border-radius:10px;padding:10px 12px;font-size:13px}
.note.ok{background:var(--ok-soft);color:#1F6B3E}
.note.warn{background:var(--warn-soft);color:var(--warn)}
.note.info{background:var(--brand-soft);color:#1C2470}
.hidden{display:none !important}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 24px;background:#fff;border-bottom:1px solid var(--line)}
.brandmark{display:flex;align-items:center;gap:12px}
.brandmark .dot{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.brandmark b{font-weight:600;letter-spacing:.28em}
.brandmark span{color:var(--muted);padding-left:12px;border-left:1px solid var(--line)}
.topbar nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.topbar nav a{padding:10px 16px;border-radius:999px;background:var(--chip);color:var(--ink);text-decoration:none;font-weight:500}

.stage{position:relative;background:radial-gradient(120% 90% at 50% 35%, #F1F2F4 0%, #C9CDD4 100%);overflow:hidden;border-radius:18px}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
.stage canvas:active{cursor:grabbing}
.pill{display:flex;gap:4px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:999px;padding:5px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);flex-wrap:wrap;justify-content:center}
.pill button{background:transparent;min-height:38px}
.pill button[aria-pressed="true"]{background:var(--brand);color:var(--brand-ink)}
.dock{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;width:min(96%,720px);z-index:2}
.toast{position:fixed;left:50%;top:16px;transform:translateX(-50%);background:#16181D;color:#fff;padding:10px 16px;border-radius:12px;z-index:60;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.on{opacity:1}
.loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:14px;z-index:1;pointer-events:none}
.modal{position:fixed;inset:0;background:rgba(10,12,16,.5);display:none;align-items:center;justify-content:center;z-index:40;padding:16px}
.modal.on{display:flex}
.modal .box{background:#fff;border-radius:16px;max-width:480px;width:100%;padding:22px;max-height:92vh;overflow:auto}
.modal h2{margin:0 0 4px;font-size:20px}
.seg{display:flex;gap:4px;padding:4px;background:var(--chip);border-radius:999px;flex-wrap:wrap}
.seg button{flex:1;background:transparent;min-height:36px;padding:7px 10px;font-size:13px}
.seg button[aria-pressed="true"]{background:var(--brand);color:#fff}
@media (max-width:720px){ .dock{bottom:10px} .topbar{padding:10px 14px} }