:root {
  --bg: #f6f3ef;
  --surface: #ffffff;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --accent: #c2410c;
  --accent-soft: #fff7ed;
  --slack-bg: #f8f8f8;
  --slack-border: #e0e0e0;
  --radius: 12px;
  --font: "DM Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  background-image: radial-gradient(
    ellipse 120% 80% at 50% -20%,
    rgba(194, 65, 12, 0.08),
    transparent 55%
  );
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.hero {
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.mono {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 880px) {
  .layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem 1.5rem;
  box-shadow: 0 1px 2px rgba(28, 25, 23, 0.04);
}

.form-panel .field {
  margin-bottom: 1rem;
}

.field-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 520px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.hint {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.8rem;
}

input,
textarea {
  width: 100%;
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafaf9;
  color: var(--ink);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(194, 65, 12, 0.35);
  outline-offset: 1px;
  border-color: var(--accent);
  background: var(--surface);
}

textarea {
  resize: vertical;
  min-height: 5rem;
}

.toggles {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fafaf9;
}

.toggles-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0 0.25rem;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 0.5rem;
}

.check:first-of-type {
  margin-top: 0.35rem;
}

.check input {
  width: auto;
  margin-top: 0.2rem;
}

.preview-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.preview-toolbar h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn.primary:hover {
  filter: brightness(1.05);
}

.btn.primary:active {
  transform: translateY(1px);
}

.copy-status {
  min-height: 1.25rem;
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 500;
}

.slack-chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem;
  background: var(--slack-bg);
  border: 1px solid var(--slack-border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.slack-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #36c5f0;
}

.slack-message {
  padding: 1rem 1rem 1.15rem;
  background: var(--slack-bg);
  border: 1px solid var(--slack-border);
  border-radius: 0 0 8px 8px;
  font-size: 0.95rem;
  line-height: 1.55;
  word-break: break-word;
}

.slack-message .bold {
  font-weight: 700;
}

.slack-line {
  min-height: 1.45em;
}

.slack-message a {
  color: #1264a3;
  text-decoration: none;
}

.slack-message a:hover {
  text-decoration: underline;
}

.raw-wrap {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.raw-wrap summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.raw {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  background: #fafaf9;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.45;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 40rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}