/* Themed through CSS variables set on :root by each demo:
   --hk-accent, --hk-accent-ink, --hk-bg, --hk-ink, --hk-muted, --hk-line, --hk-radius, --hk-font */
.hk { --a: var(--hk-accent, #b5874a); --ai: var(--hk-accent-ink, #fff); --bg: var(--hk-bg, #fffdf9); --ink: var(--hk-ink, #1b1d1a); --mu: var(--hk-muted, #61665f); --ln: var(--hk-line, rgba(0,0,0,.12)); --r: var(--hk-radius, 16px); font-family: var(--hk-font, system-ui, sans-serif); position: fixed; right: 18px; bottom: 18px; z-index: 900; color: var(--ink); }
.hk * { box-sizing: border-box; }
.hk-fab { display: inline-flex; align-items: center; gap: 8px; border: 0; cursor: pointer; background: var(--a); color: var(--ai); font: 600 15px/1 var(--hk-font, system-ui); padding: 14px 18px; border-radius: 999px; box-shadow: 0 8px 28px rgba(0,0,0,.25); }
.hk-fab:focus-visible, .hk button:focus-visible, .hk input:focus-visible { outline: 3px solid var(--a); outline-offset: 2px; }
.hk.is-open .hk-fab { display: none; }
.hk-panel { position: absolute; right: 0; bottom: 0; width: min(380px, calc(100vw - 24px)); height: min(560px, calc(100dvh - 24px)); display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--ln); border-radius: var(--r); box-shadow: 0 20px 60px rgba(0,0,0,.3); overflow: hidden; }
.hk-panel[hidden] { display: none; }
.hk-panel header { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; background: var(--a); color: var(--ai); }
.hk-panel header b { display: block; font-size: 16px; } .hk-panel header small { opacity: .85; font-size: 12.5px; }
.hk-x { background: none; border: 0; color: inherit; font-size: 28px; line-height: 1; cursor: pointer; padding: 0 6px; }
.hk-log { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.hk-m { max-width: 88%; padding: 10px 13px; border-radius: 14px; font-size: 14.5px; line-height: 1.45; }
.hk-bot { background: color-mix(in srgb, var(--a) 12%, var(--bg)); border-bottom-left-radius: 4px; align-self: flex-start; }
.hk-me { background: var(--a); color: var(--ai); border-bottom-right-radius: 4px; align-self: flex-end; }
.hk-m a { color: inherit; text-decoration: underline; } .hk-m p { margin: 0 0 6px; }
.hk-chips { display: flex; gap: 6px; overflow-x: auto; padding: 4px 14px 10px; scrollbar-width: thin; }
.hk-chips button { flex: none; border: 1px solid var(--ln); background: var(--bg); color: var(--ink); border-radius: 999px; padding: 7px 12px; font: 500 13px/1.2 var(--hk-font, system-ui); cursor: pointer; }
.hk-chips button:hover { border-color: var(--a); }
.hk-form { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--ln); }
.hk-form input { flex: 1; min-width: 0; padding: 11px 12px; border: 1px solid var(--ln); border-radius: 10px; background: var(--bg); color: var(--ink); font: 15px var(--hk-font, system-ui); }
.hk-form button, .hk-cb, .hk-cbf button { border: 0; background: var(--a); color: var(--ai); border-radius: 10px; padding: 10px 14px; font: 600 14px var(--hk-font, system-ui); cursor: pointer; }
.hk-cbf { display: grid; gap: 6px; } .hk-cbf input { padding: 9px 10px; border: 1px solid var(--ln); border-radius: 8px; font: 14px var(--hk-font, system-ui); } .hk-cbf small { color: var(--mu); }
.hk-note { margin: 0; padding: 6px 12px 10px; text-align: center; font-size: 11.5px; color: var(--mu); }
.hk-links { word-break: break-word; }
/* contact dock: mobile only */
.hk-dock { display: none; }
@media (max-width: 760px) {
  .hk { bottom: 76px; right: 12px; }
  .hk-dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 890; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--hk-bg, #fff); border-top: 1px solid var(--hk-line, rgba(0,0,0,.12)); padding-bottom: env(safe-area-inset-bottom); }
  .hk-dock a { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 9px 4px 8px; font: 600 12px/1.1 var(--hk-font, system-ui); color: var(--hk-ink, #111); text-decoration: none; }
  .hk-dock a.is-main { background: var(--hk-accent, #b5874a); color: var(--hk-accent-ink, #fff); }
  body { padding-bottom: 58px; }
  .hk-panel { height: min(560px, calc(100dvh - 90px)); bottom: -64px; }
}
@media (prefers-reduced-motion: no-preference) { .hk-panel:not([hidden]) { animation: hkin .22s ease-out; } @keyframes hkin { from { transform: translateY(12px); opacity: 0; } } }