:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #1c2530;
  --muted: #6b7785;
  --green: #1f9d63;
  --green-ink: #0f6b41;
  --border: #e4e8ec;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  display: flex;
  flex-direction: column;
}

header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

header .title {
  font-weight: 700;
  color: var(--green-ink);
  font-size: 13px;
  letter-spacing: 0.02em;
}

header .contact {
  font-weight: 600;
  margin-top: 4px;
}

header .meta {
  color: var(--muted);
  font-size: 12px;
}

main {
  padding: 12px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

button {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
}

button:hover {
  border-color: var(--green);
}

button.primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
  font-weight: 600;
}

.suggestions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.card p {
  margin: 0 0 8px;
  white-space: pre-wrap;
  line-height: 1.45;
}

.card .copy {
  padding: 4px 10px;
  font-size: 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chips button {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 999px;
}

.chat-output {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 60px;
  white-space: pre-wrap;
  margin: 0;
  font-family: inherit;
  line-height: 1.45;
}

.chat-input-row {
  display: flex;
  gap: 6px;
}

.chat-input-row textarea {
  flex: 1;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  font-family: inherit;
  font-size: 13px;
}

.muted {
  color: var(--muted);
}

.error {
  color: #c0392b;
}