/* Vivid, the house assistant (vivid.js): a command bar at the bottom of the walk. */
.vivid { position: fixed; z-index: 31; left: 50%; bottom: 20px; transform: translateX(-50%); width: min(500px, calc(100vw - 2 * var(--gutter)));
  display: flex; flex-direction: column; align-items: center; gap: 8px; transition: opacity 1.2s var(--ease); }
body.is-loading .vivid { visibility: hidden; opacity: 0; }
html.vivid-on .walk-help { bottom: auto; top: 86px; }

.vivid__bar { display: flex; align-items: center; gap: 8px; width: 100%; height: 48px; margin: 0; padding: 0 6px 0 14px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(239, 235, 226, 0.84); backdrop-filter: blur(8px); box-shadow: 0 6px 24px rgba(29, 29, 31, 0.12); }
.vivid__name { font: 500 10px/1 var(--label); letter-spacing: 0.18em; text-transform: uppercase; }
.vivid__input { flex: 1; min-width: 0; height: 100%; padding: 0 4px; border: 0; outline: 0; background: none; color: var(--fg); font: 400 15px/1 var(--body); }
.vivid__input::placeholder { color: var(--fg-dim); }
.vivid__btn { flex: none; display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 50%; background: none; color: var(--fg); cursor: pointer;
  transition: background 0.4s var(--ease), color 0.4s var(--ease); }
.vivid__btn:hover { background: rgba(29, 29, 31, 0.08); }
.vivid__btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.vivid__mic[aria-pressed="true"] { background: var(--accent); color: #fff; }
.vivid__voice[aria-pressed="false"] { color: var(--fg-dim); }
.vivid__voice[aria-pressed="false"] .vivid__waves { display: none; }

.vivid__orb { position: relative; flex: none; width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #f0a07e, var(--accent) 60%, #7c2a16); }
.vivid__orb i { position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--accent); opacity: 0; }
.vivid.is-listening .vivid__orb i { animation: vivid-ping 1.6s var(--ease) infinite; }
.vivid.is-speaking .vivid__orb { animation: vivid-talk 0.5s ease-in-out infinite alternate; }
.vivid.is-thinking .vivid__orb { animation: vivid-think 1.1s linear infinite; background: conic-gradient(from 0deg, #7c2a16, #f0a07e, var(--accent), #7c2a16); }
@keyframes vivid-think { to { transform: rotate(1turn); } }
@keyframes vivid-ping { from { transform: scale(0.6); opacity: 0.9; } to { transform: scale(1.6); opacity: 0; } }
@keyframes vivid-talk { from { transform: scale(0.85); } to { transform: scale(1.15); } }

.vivid__said { max-width: 100%; padding: 10px 16px 11px; border-radius: 6px; text-align: center; pointer-events: none;
  background: rgba(239, 235, 226, 0.84); backdrop-filter: blur(8px); opacity: 0; transform: translateY(6px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.vivid.has-said .vivid__said { opacity: 1; transform: none; }
.vivid__you { margin: 0; color: var(--fg-dim); font: 400 10.5px/1.5 var(--label); letter-spacing: 0.06em; text-transform: uppercase; }
.vivid__you:empty { display: none; }
.vivid__you.is-interim { opacity: 0.6; }
.vivid__reply { margin: 3px 0 0; font: 400 21px/1.2 var(--display); }
.vivid__reply:empty { display: none; }

.vivid__try { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; transition: opacity 0.6s var(--ease); }
.vivid__try button { height: 28px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer;
  background: rgba(239, 235, 226, 0.7); backdrop-filter: blur(6px); color: var(--fg); font: 500 9.5px/1 var(--label); letter-spacing: 0.12em; text-transform: uppercase;
  transition: background 0.4s var(--ease), color 0.4s var(--ease); }
.vivid__try button:hover { background: var(--fg); color: var(--bg); }
.vivid.has-said .vivid__try { display: none; }

@media (max-width: 1180px) { .vivid { bottom: 112px; } }
@media (max-width: 760px) { .vivid { bottom: 136px; } .vivid__reply { font-size: 18px; } }
@media (pointer: coarse) { .vivid { bottom: 190px; } }