:root {
  color: #17212b;
  background: #f6f8fb;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --ink: #17212b;
  --muted: #617080;
  --paper: #ffffff;
  --soft: #edf4f8;
  --line: #cfdce6;
  --accent: #0e766b;
  --accent-strong: #0a5d55;
  --accent-soft: #dff3ef;
  --warning: #8a5c00;
  --warning-soft: #fff4d8;
  --focus: #3267d6;
  --shadow: 0 18px 48px rgba(21, 35, 48, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(135deg, rgba(14, 118, 107, 0.08), transparent 34%),
    linear-gradient(315deg, rgba(50, 103, 214, 0.08), transparent 34%),
    var(--soft);
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 750;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(50, 103, 214, 0.28);
  outline-offset: 2px;
  border-color: var(--focus);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 48px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h1 {
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1;
}

h2 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.15;
}

.lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  overflow-wrap: break-word;
}

.notice-card,
.form-panel,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.notice-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-color: #ead49d;
  background: var(--warning-soft);
  color: var(--warning);
}

.notice-card strong {
  color: #5e3f00;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.form-panel,
.preview-panel {
  padding: 22px;
}

.section-heading {
  margin-bottom: 18px;
}

.field {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.field span {
  color: #293847;
  font-size: 0.93rem;
  font-weight: 760;
}

input,
textarea {
  width: 100%;
  border: 1px solid #b9c8d4;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
}

input {
  height: 46px;
  padding: 0 13px;
}

textarea {
  min-height: 460px;
  padding: 14px;
  resize: vertical;
  white-space: pre-wrap;
}

.privacy-note,
.review-note,
.status-message {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.privacy-note {
  padding: 12px;
  border: 1px solid #ead49d;
  border-radius: 8px;
  background: var(--warning-soft);
  color: var(--warning);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
}

.primary-button {
  margin-top: 18px;
  background: var(--accent);
  color: #ffffff;
}

.primary-button:hover {
  background: var(--accent-strong);
}

.secondary-button {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.secondary-button:hover {
  background: #cbeae4;
}

.form-panel .primary-button {
  width: 100%;
}

.email-meta {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfc;
}

.email-meta div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
}

.email-meta dt {
  color: var(--muted);
  font-weight: 800;
}

.email-meta dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.preview-field {
  margin-top: 18px;
}

.review-note {
  color: var(--accent-strong);
  font-weight: 800;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.button-row button {
  flex: 1 1 190px;
}

.status-message {
  min-height: 1.5em;
}

.status-message.is-success {
  color: var(--accent-strong);
}

.status-message.is-warning {
  color: var(--warning);
}

@media (max-width: 860px) {
  .intro,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .intro {
    align-items: start;
  }

  h1 {
    font-size: clamp(2rem, 12vw, 3.2rem);
  }

  textarea {
    min-height: 380px;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: calc(100% - 20px);
    padding-top: 22px;
  }

  .form-panel,
  .preview-panel {
    padding: 16px;
  }

  .email-meta div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  h1 {
    font-size: clamp(2rem, 11vw, 2.75rem);
    line-height: 1.08;
  }

  .lede {
    font-size: 1rem;
  }

  textarea {
    min-height: 320px;
  }

  .button-row button {
    flex-basis: 100%;
  }
}