wyvern-cli 0.4.0

What You View, Engine Renders Natively — HTTP dialog CLI
Documentation 
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:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --fg: #1a1d23;
  --muted: #5c6570;
  --accent: #2563eb;
  --border: #d0d5dd;
  --radius: 10px;
  /* Default open size: 480×360. Max: 800×600. */
  --dialog-open-width: 480px;
  --dialog-open-height: 360px;
  --dialog-max-width: 800px;
  --dialog-max-height: 600px;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, #eef2ff 0%, var(--bg) 45%, #f8fafc 100%);
  color: var(--fg);
}

/* HTML titlebar — rendered on Win/Linux where the browser frame may be absent.
   Hidden by default; app.js shows it only on non-macOS platforms. */
.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #e9ecef;
  border-bottom: 1px solid var(--border);
  padding: 0 0.5rem;
  height: 2rem;
  flex-shrink: 0;
  user-select: none;
}

.titlebar-title {
  font-size: 0.8rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.titlebar-controls {
  display: flex;
  gap: 0.25rem;
}

/* Win/Linux window control buttons */
.titlebar-btn {
  appearance: none;
  border: none;
  background: transparent;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg);
  padding: 0;
}

.titlebar-btn:hover {
  background: rgba(0, 0, 0, 0.08);
}

.titlebar-btn.close:hover {
  background: #e81123;
  color: #fff;
}

.dialog {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: min(var(--dialog-open-width), var(--dialog-max-width), calc(100vw - 2rem));
  max-width: var(--dialog-max-width);
  max-height: var(--dialog-max-height);
  margin: auto;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

html.wyvern-embedded .dialog--frame.dialog,
html.wyvern-embedded .dialog--panel.dialog {
  flex: 0 0 auto !important;
  max-height: none !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 650;
}

.status {
  margin: 0 0 1.25rem;
  color: var(--muted);
  line-height: 1.45;
  font-size: 0.9rem;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 1rem;
}

button {
  appearance: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--fg);
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.error {
  color: #b91c1c;
  padding: 1rem;
}