src/styles.css

:root {
  color: #172033;
  background: #f3f6f9;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
}

button,
input,
select,
textarea {
  font: inherit;
}

#app {
  min-height: 100vh;
  padding: 18px;
}

.shell {
  width: min(1280px, 100%);
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0 18px;
  border-bottom: 1px solid #c7d2df;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  font-size: 15px;
  line-height: 1.2;
  color: #405064;
}

#model-label {
  margin-top: 8px;
  color: #5d6c7f;
  overflow-wrap: anywhere;
}

.status-stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px;
  max-width: 620px;
}

.status {
  min-height: 34px;
  max-width: 260px;
  padding: 7px 10px;
  border: 1px solid #b7c4d3;
  border-radius: 6px;
  background: #ffffff;
  color: #314155;
  overflow-wrap: anywhere;
}

.controls {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 12px;
  margin: 18px 0 12px;
}

label {
  display: grid;
  gap: 6px;
  color: #526173;
  font-size: 14px;
  font-weight: 650;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid #b8c5d4;
  border-radius: 6px;
  background: #ffffff;
  color: #152033;
}

select,
input {
  height: 42px;
  padding: 0 10px;
}

.command-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

button {
  min-width: 116px;
  height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 6px;
  background: #176b6c;
  color: #ffffff;
  font-weight: 750;
  cursor: pointer;
}

button:nth-child(2) {
  background: #4f5f73;
}

button:nth-child(3) {
  background: #7a4d18;
}

button:disabled {
  cursor: wait;
  opacity: 0.64;
}

.workspace {
  display: grid;
  gap: 14px;
}

.prompt-pane {
  display: grid;
  gap: 10px;
}

textarea {
  min-height: 116px;
  resize: vertical;
  padding: 13px;
  line-height: 1.45;
}

#run {
  width: fit-content;
}

.panes {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 12px;
}

.pane {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.pane.wide {
  grid-column: 1 / -1;
}

pre {
  min-height: 220px;
  max-height: 360px;
  margin: 0;
  padding: 14px;
  border: 1px solid #b8c5d4;
  border-radius: 6px;
  background: #fbfcfd;
  color: #162033;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow: auto;
  overflow-wrap: anywhere;
}

#event-log {
  min-height: 150px;
  max-height: 220px;
}

@media (max-width: 780px) {
  #app {
    padding: 12px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .status-stack {
    justify-content: start;
  }

  .controls,
  .panes {
    grid-template-columns: 1fr;
  }
}