/* Tema escuro simples inspirado no painel da captura */
:root {
  --bg: #0f1115;
  --card: #181b22;
  --border: #262a33;
  --text: #f1f5f9;
  --muted: #cbd5e1;
  --accent: #7c4dff;
  --accent-hover: #6c3fff;
  --ghost: #2c3140;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  background: var(--bg);
  color: var(--text);
}

.container { max-width: 1100px; margin: 32px auto; padding: 0 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 18px 22px;
  margin-bottom: 18px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; }
h2 { margin: 0 0 14px; font-size: 20px; }
.hint { color: var(--muted); margin-top: 8px; font-size: 13px; }
h3.subtle { margin: 16px 0 8px; font-size: 14px; color: var(--muted); font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 780px) { .grid { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 13px; color: var(--muted); }

input, select, button {
  font-size: 15px;
  border-radius: 10px;
}

input, select {
  border: 1px solid var(--border);
  background: #13161c;
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #7c4dff22; }

.actions { display: flex; gap: 10px; margin-top: 14px; }
button {
  border: none;
  padding: 10px 16px;
  cursor: pointer;
}
button#simulateBtn {
  background: var(--accent);
  color: white;
}
button#simulateBtn:hover { background: var(--accent-hover); }
button.ghost { background: var(--ghost); color: var(--text); }
button.ghost:hover { filter: brightness(1.1); }

.logs { display: flex; flex-direction: column; gap: 14px; }
.log-entry { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.log-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: #151923; }
.log-head b { font-weight: 600; }
.log-body { padding: 0; }
.log-body details { border-top: 1px solid var(--border); }
.log-body summary { cursor: pointer; padding: 10px 12px; background: #121520; }
pre { margin: 0; padding: 12px; overflow: auto; background: #0e111a; border-top: 1px solid var(--border); }

.footer { text-align: center; color: var(--muted); margin-top: 12px; font-size: 12px; }