:root {
  --bg: #f5f6f2;
  --surface: #ffffff;
  --surface-soft: #edf3ef;
  --ink: #1f2823;
  --muted: #607068;
  --line: #d7ddd6;
  --accent: #16715f;
  --accent-dark: #105246;
  --danger: #9b2f25;
  --warn-bg: #fbf0db;
  --shadow: 0 18px 55px rgba(31, 40, 35, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 246, 242, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 700;
}

.app-shell {
  padding: 30px clamp(18px, 4vw, 54px) 58px;
}

.workspace,
.writer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 24px;
  align-items: start;
}

.writer-shell,
.workspace-main,
.workspace-side,
.question-panel,
.output-panel {
  min-width: 0;
}

.workspace-main,
.workspace-side,
.question-panel,
.output-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.workspace-main,
.question-panel {
  padding: clamp(20px, 3vw, 34px);
}

.workspace-side,
.output-panel {
  position: sticky;
  top: 88px;
  padding: 22px;
}

.writer-shell {
  max-width: 1280px;
  margin: 0 auto;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 24px;
}

.section-heading h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.section-heading .privacy-note {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfa;
  color: #43534c;
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid.compact {
  gap: 12px;
}

.span-all {
  grid-column: 1 / -1;
}

label,
fieldset {
  display: grid;
  gap: 7px;
  margin: 0;
  color: #33423b;
  font-size: 14px;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #cbd4cc;
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 190px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(22, 113, 95, 0.18);
  border-color: var(--accent);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 800;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

.button-link:hover {
  border-color: var(--accent);
  text-decoration: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

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

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

.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.status {
  color: var(--muted);
  font-size: 14px;
}

.preview-empty {
  padding: 18px;
  border: 1px dashed #bec9c1;
  border-radius: 8px;
  background: #fafbf9;
  color: var(--muted);
}

.campaign-card,
.letter-card {
  display: grid;
  gap: 18px;
}

.summary-box,
.question-card,
.safety-box,
.email-block,
.pdf-block {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.question-card + .question-card {
  margin-top: 12px;
}

.question-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.campaign-card ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.share-url {
  overflow-wrap: anywhere;
  padding: 11px;
  border-radius: 7px;
  background: var(--surface-soft);
  color: #26342e;
  font-size: 13px;
}

.safety-box {
  border-color: #e2c285;
  background: var(--warn-bg);
}

.error {
  color: var(--danger);
}

.output-fieldset {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.output-fieldset legend {
  padding: 0 6px;
}

.radio-row {
  display: flex;
  grid-auto-flow: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  font-weight: 650;
}

.radio-row input {
  width: 18px;
  min-height: 18px;
}

.letter-text {
  display: grid;
  gap: 13px;
  margin: 0;
}

.letter-text p {
  margin: 0;
}

.editable {
  width: 100%;
  min-height: 320px;
  margin-top: 12px;
}

.field-help {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.outcome-label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .workspace,
  .writer-layout {
    grid-template-columns: 1fr;
  }

  .workspace-side,
  .output-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 18px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .section-heading h1 {
    font-size: 36px;
  }

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

  .form-actions button {
    width: 100%;
  }
}