/* The Playground is an app, not a document: on a wide screen it fills the window under the shared header. Tokens only. */
html, body.app { height: 100%; margin: 0; }
body.app { display: grid; grid-template-rows: auto auto minmax(0, 1fr) auto; }
body.app > .top { position: static; }

#toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 8px var(--gutter);
  background: var(--bg-2); border-bottom: 1px solid var(--line);
  font-size: 13px;
}
#toolbar .spacer { flex: 1; }
#toolbar select, #toolbar button {
  background: var(--bg-3); color: var(--ink);
  border: 1px solid var(--line-2); border-radius: 4px;
  padding: 5px 10px; font: inherit; cursor: pointer; white-space: nowrap;
}
#toolbar button:hover, #toolbar select:hover { border-color: var(--ink-3); }
#toolbar button.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 600; }
#toolbar button:disabled { opacity: .55; cursor: progress; }
#toolbar :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#state { color: var(--ink-2); font-size: 12px; font-family: var(--mono); }
#state[data-kind="bad"] { color: var(--accent); }
#flash { color: var(--model-sonnet); font-size: 12px; font-family: var(--mono); }
#shareOut { min-width: 0; width: 220px; background: var(--bg-3); color: var(--ink); border: 1px solid var(--line-2); border-radius: 4px; padding: 5px 8px; font: 12px var(--mono); }
#shareOut[hidden] { display: none; }

#main { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 0; }
#editor { min-width: 0; min-height: 0; overflow: auto; border-right: 1px solid var(--line); background: var(--bg-2); }
#editor .cm-editor { height: 100%; font-size: 13px; }
#editor textarea {
  display: block; box-sizing: border-box; width: 100%; height: 100%; min-height: 240px; resize: none; border: 0; padding: 12px;
  background: var(--bg-2); color: var(--ink); font: 13px/1.5 var(--mono); tab-size: 2;
}
#preview { min-width: 0; min-height: 0; overflow: auto; padding: 16px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; }
/* The movie's page has 16px of body padding around its picture: the frame is 16px larger on every side, and the host clips it away. */
#host { position: relative; overflow: hidden; width: 100%; max-width: 960px; aspect-ratio: var(--ar, 16 / 9); background: #000; border-radius: 8px; }
#preview .agent { width: 100%; max-width: 960px; margin: 10px 0 0; font: 12px var(--mono); color: var(--ink-3); }
#preview .agent[data-kind="bad"] { color: var(--accent); }
#hostNote { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; padding: 24px; text-align: center; color: #cfd3dc; font-size: 15px; line-height: 1.5; }
#hostNote[hidden] { display: none; }
#host iframe { position: absolute; inset: -16px; width: calc(100% + 32px); height: calc(100% + 32px); border: 0; background: transparent; }

#problems { border-top: 1px solid var(--line); background: var(--bg-2); max-height: 30vh; overflow: auto; padding: 10px var(--gutter) 14px; font-size: 13px; }
#problems h2 { margin: 0 0 6px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; }
#problems h2 .count { margin-left: 6px; padding: 1px 7px; border-radius: 9px; background: var(--accent); color: var(--on-accent); }
#problems[data-state="ok"] h2 .count { background: var(--model-sonnet); color: var(--on-accent); }
#problems h3 { margin: 10px 0 4px; font-size: 12px; color: var(--ink-3); font-weight: 600; }
#problems ul { margin: 0; padding: 0; list-style: none; }
#problems li { padding: 3px 0; display: flex; gap: 8px; align-items: baseline; line-height: 1.45; }
#problems li .msg { flex: 1; min-width: 0; overflow-wrap: anywhere; font-family: var(--mono); font-size: 12px; color: var(--ink); }
#problems li .where { color: var(--ink-3); font-size: 12px; white-space: nowrap; }
#problems li button { background: none; border: 1px solid var(--line-2); color: var(--ink-2); border-radius: 4px; padding: 0 6px; font: inherit; font-size: 12px; cursor: pointer; }
#problems li button:hover { color: var(--ink); border-color: var(--ink-3); }
#problems .ok { color: var(--ink-2); margin: 0; }
#problems .note { color: var(--ink-2); }

@media (max-width: 720px) {
  html, body.app { height: auto; }
  body.app { display: block; }
  #main { display: block; }
  #editor { height: 340px; border-right: 0; border-bottom: 1px solid var(--line); }
  #problems { max-height: none; }
}