/* Wings demo. Concepts theme it by setting these on the [data-wings-demo] element or an ancestor:
   --wd-app-bg, --wd-app-fg, --wd-app-muted, --wd-app-line, --wd-bubble, --wd-input-bg,
   --wd-side-bg, --wd-note-bg, --wd-note-fg, --wd-accent, --wd-accent-fg, --wd-radius, --wd-shadow, --wd-border */
.wd {
  --wd-app-bg: #ffffff; --wd-app-fg: #1d1b20; --wd-app-muted: #8a8590; --wd-app-line: #ece8ef;
  --wd-bubble: #f3eff6; --wd-input-bg: #ffffff;
  --wd-side-bg: #faf7fb; --wd-note-bg: #ffffff; --wd-note-fg: #1d1b20;
  --wd-accent: #007aff; --wd-accent-fg: #ffffff;
  --wd-radius: 16px; --wd-shadow: 0 30px 60px -20px rgba(40, 10, 60, .35); --wd-border: 1px solid var(--wd-app-line);
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 188px;
  gap: 8px;
  width: 100%;
  max-width: 760px;
  aspect-ratio: 16 / 10.5;
  font: 500 14px/1.5 "Noto Sans SC", system-ui, sans-serif;
  text-align: left;
}
.wd-app, .wd-side {
  background: var(--wd-app-bg);
  color: var(--wd-app-fg);
  border: var(--wd-border);
  border-radius: var(--wd-radius);
  box-shadow: var(--wd-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.wd-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--wd-app-line); }
.wd-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.wd-bar i:nth-child(2) { background: #febc2e; }
.wd-bar i:nth-child(3) { background: #28c840; }
.wd-bar span { margin-left: 8px; color: var(--wd-app-muted); font-size: 12px; }
.wd-chat { flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; }
.wd-msg { max-width: 82%; padding: 10px 14px; border-radius: 14px; }
.wd-user { align-self: flex-end; background: var(--wd-bubble); }
.wd-ai { align-self: flex-start; color: var(--wd-app-fg); padding-left: 0; }
.wd-reply { display: none; }
.wd-ai.done .wd-reply { display: inline; animation: wd-fade .4s cubic-bezier(.22, 1, .36, 1); }
.wd-ai.done .wd-status { display: none; }
/* The AI's busy state, said in words, with a light sweeping across them. */
.wd-status {
  display: inline-block; padding: 6px 0; font-size: 13px; font-weight: 600;
  background: linear-gradient(90deg, var(--wd-app-muted) 35%, var(--wd-app-fg) 50%, var(--wd-app-muted) 65%) 0 0 / 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: wd-sweep 1.8s linear infinite;
}
@keyframes wd-sweep { from { background-position: 100% 0; } to { background-position: 0 0; } }
/* The input's round button: a stop square while the AI works, a send arrow once it is done. */
.wd-btn {
  position: absolute; right: 10px; top: 50%; translate: 0 -50%;
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--wd-app-fg); color: var(--wd-input-bg);
  transition: background .3s, opacity .3s;
}
.wd-btn svg { width: 16px; height: 16px; }
.wd-stop { fill: currentColor; }
.wd-send { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; display: none; }
.wd-input.idle .wd-stop { display: none; }
.wd-input.idle .wd-send { display: inline; }
.wd-input.idle:not(.filled) .wd-btn { opacity: .35; }
.wd-input {
  position: relative;
  margin: 0 14px 14px;
  min-height: 52px;
  padding: 14px 52px 14px 16px;
  border: 1px solid var(--wd-app-line);
  border-radius: 14px;
  background: var(--wd-input-bg);
}
.wd-input.filled { box-shadow: 0 0 0 3px color-mix(in srgb, var(--wd-accent) 25%, transparent); transition: box-shadow .3s; }
.wd-caret { display: inline-block; width: 2px; height: 1.1em; vertical-align: -3px; background: var(--wd-app-fg); animation: wd-blink 1s steps(1) infinite; }
.wd-chip {
  position: absolute; right: 60px; top: 0; transform: translateY(-50%) translateY(4px);
  padding: 3px 10px; border-radius: 11px;
  background: var(--wd-accent); color: var(--wd-accent-fg);
  font-size: 12px; font-weight: 600; white-space: nowrap;
  opacity: 0; transition: opacity .18s cubic-bezier(.22, 1, .36, 1), transform .18s cubic-bezier(.22, 1, .36, 1);
}
.wd-chip.on { opacity: 1; transform: translateY(-50%); }
.wd-chip.press { transform: translateY(-50%) scale(.92); }
.wd-side { background: var(--wd-side-bg); padding: 12px; gap: 8px; position: relative; }
.wd-side-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 13px; padding: 2px 2px 6px; }
.wd-side-head img { width: 22px; height: 22px; border-radius: 6px; }
.wd-notes { display: flex; flex-direction: column; gap: 8px; }
.wd-note {
  padding: 9px 11px; border-radius: 10px;
  background: var(--wd-note-bg); color: var(--wd-note-fg);
  font-size: 13px; line-height: 1.45;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
  opacity: 0; transform: translateX(16px);
  transition: opacity .45s cubic-bezier(.22, 1, .36, 1), transform .45s cubic-bezier(.22, 1, .36, 1), outline-color .2s;
  outline: 2px solid transparent;
}
.wd-note.in { opacity: 1; transform: none; }
.wd-note.aim { outline-color: var(--wd-accent); }
.wd-note.press { transform: scale(.97); }
.wd-toast {
  position: absolute; left: 10px; right: 10px; bottom: 10px;
  padding: 7px 8px; border-radius: 8px;
  background: var(--wd-app-fg); color: var(--wd-app-bg);
  font-size: 11px; text-align: center;
  opacity: 0; transform: translateY(6px);
  transition: opacity .25s, transform .25s cubic-bezier(.22, 1, .36, 1);
}
.wd-toast.on { opacity: 1; transform: none; }
.wd-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@keyframes wd-blink { 50% { opacity: 0; } }
@keyframes wd-fade { from { opacity: 0; } to { opacity: 1; } }
@media (max-width: 640px) {
  .wd { grid-template-columns: minmax(0, 1fr) 132px; aspect-ratio: auto; height: 380px; font-size: 13px; }
  .wd-chip { right: 8px; }
  .wd-note { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .wd *, .wd *::before { animation: none !important; transition: none !important; }
}