:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3fb950;
  --btn: #238636;
  --btn-hover: #2ea043;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-sans: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  min-height: 100vh;
}

.terminal-panel {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--panel);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #484f58;
}

.terminal-output {
  flex: 1;
  margin: 0;
  padding: 20px 24px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--accent);
}

.terminal-output.is-loading {
  color: var(--muted);
}

.side-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 24px;
}

.brand {
  font-size: 18px;
  font-weight: 600;
  text-align: center;
}

.brand span {
  color: var(--accent);
}

.hint {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  max-width: 220px;
}

.refresh-btn {
  border: 1px solid rgba(240, 246, 252, 0.1);
  border-radius: 8px;
  background: var(--btn);
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 20px;
  transition: background 0.15s ease;
}

.refresh-btn:hover {
  background: var(--btn-hover);
}

.refresh-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.status {
  font-size: 12px;
  color: var(--muted);
  min-height: 18px;
}

@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }

  .terminal-panel {
    border-right: none;
    border-bottom: 1px solid var(--border);
    min-height: 60vh;
  }

  .side-panel {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 16px;
  }
}