:root {
  --ct-brand: #f4d06f;
  --ct-brand-600: #d8ba4f;
  --ct-brand-700: #b99c2a;
  --ct-focus: #34348f;
  --ct-success: #17673a;
  --ct-warning: #8a6100;
  --ct-danger: #b42318;
  --ct-info: #2c5282;

  --ct-bg: #f9fafb;
  --ct-bg-top: #e7ebf2;
  --ct-surface: #fff7dc;
  --ct-surface-alt: #faf9f4;
  --ct-surface-elevated: #ffffff;
  --ct-text: #2c230a;
  --ct-text-strong: #1c1506;
  --ct-muted: #6b6151;
  --ct-border: #e2d9b5;
  --ct-border-strong: rgba(148, 163, 184, 0.6);
  --ct-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  --ct-shadow-soft: 0 8px 20px rgba(15, 23, 42, 0.08);
  --ct-radius-xl: 18px;
  --ct-radius-lg: 14px;
  --ct-radius-md: 10px;
  --ct-radius-pill: 999px;
  --ct-max-width: 1100px;
  --ct-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
}

html[data-theme="dark"] {
  --ct-bg: #0f172a;
  --ct-bg-top: #1e293b;
  --ct-surface: #121212;
  --ct-surface-alt: #1b1b1b;
  --ct-surface-elevated: #161616;
  --ct-text: #f3efe6;
  --ct-text-strong: #efe7d2;
  --ct-muted: #b9b19f;
  --ct-border: #383020;
  --ct-border-strong: rgba(148, 163, 184, 0.38);
  --ct-shadow: 0 18px 45px rgba(15, 23, 42, 0.78);
  --ct-shadow-soft: 0 8px 20px rgba(0, 0, 0, 0.32);
}

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

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font: 400 16px/1.55 var(--ct-font-sans);
  color: var(--ct-text);
  background:
    radial-gradient(circle at top, var(--ct-bg-top) 0, var(--ct-bg) 52%) fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

ct-builder-header,
ct-builder-footer,
ct-back-to-top {
  display: block;
}

.wrap {
  max-width: var(--ct-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  background: color-mix(in srgb, var(--ct-surface) 92%, transparent);
  border-bottom: 1px solid var(--ct-border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  flex-wrap: nowrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--ct-radius-pill);
  background: radial-gradient(circle at top left, var(--ct-brand) 0, #0f172a 72%);
  color: #020617;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  text-decoration: none;
}

html[data-theme="dark"] .brand {
  background: radial-gradient(circle at top left, var(--ct-brand) 0, #020617 82%);
  color: #fefce8;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex: 0 0 auto;
}

.brand__text {
  display: inline-flex;
  gap: 0.2rem;
  align-items: baseline;
  white-space: nowrap;
}

.brand__muted {
  opacity: 0.9;
  font-weight: 600;
}

.brand__tag {
  margin-left: 0.2rem;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  opacity: 0.82;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border-radius: var(--ct-radius-pill);
  border: 1px solid var(--ct-border);
  background: var(--ct-surface-alt);
  color: var(--ct-text);
  padding: 0.3rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  align-items: center;
  gap: 0.35rem;
}

.nav-toggle .icon {
  font-size: 1rem;
  line-height: 1;
}

.btn,
button.btn,
a.btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 38px;
  padding: 0.45rem 0.95rem;
  border-radius: var(--ct-radius-pill);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ct-muted);
  text-decoration: none;
  white-space: nowrap;
  font: 600 0.86rem/1.1 var(--ct-font-sans);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease,
    border-color 0.18s ease, color 0.18s ease;
}

.btn:hover,
button.btn:hover,
a.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.btn.primary,
.btn.btn--primary {
  background: var(--ct-brand);
  color: #2c230a !important;
  border-color: var(--ct-brand-600);
  box-shadow: 0 8px 18px rgba(244, 208, 111, 0.22);
}

.btn.primary:hover,
.btn.btn--primary:hover {
  background: color-mix(in srgb, var(--ct-brand) 88%, #f97316);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
}

.btn.ghost:hover {
  background: rgba(244, 208, 111, 0.12);
  border-color: var(--ct-border);
  color: var(--ct-text);
}

.btn.warn {
  background: color-mix(in srgb, #fbe7e7 90%, transparent);
  border-color: #e3b2b2;
  color: #742a2a;
}

.btn.is-active,
.btn[aria-current="page"] {
  background: rgba(244, 208, 111, 0.16);
  border-color: var(--ct-border);
  color: var(--ct-text);
}

.btn:focus-visible,
.nav-toggle:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(52, 52, 143, 0.35);
  outline-offset: 2px;
}

.btn:disabled,
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn.btn-xs {
  min-height: 32px;
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
}

main {
  display: block;
}

.hero {
  display: grid;
  gap: 1rem;
  padding: 2rem 1rem 1.6rem;
  border-bottom: 1px dashed var(--ct-border);
  background:
    radial-gradient(1200px 500px at 90% -50%, rgba(244, 208, 111, 0.22), transparent),
    radial-gradient(900px 500px at -10% -40%, rgba(244, 208, 111, 0.18), transparent);
}

.hero.hero--split {
  padding-top: 1.9rem;
}

.hero-inner {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hero--split .hero-inner {
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
}

.kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ct-muted);
}

.eyebrow .dot {
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 999px;
  background: var(--ct-brand);
  box-shadow: 0 0 0 4px rgba(244, 208, 111, 0.18);
}

.hero h1 {
  margin: 0.15rem 0 0;
  font: 900 clamp(1.55rem, 3vw + 0.55rem, 2.55rem) / 1.06 var(--ct-font-sans);
  letter-spacing: -0.03em;
  color: var(--ct-text);
}

.hero .sub,
.hero .lead {
  max-width: 68ch;
  color: var(--ct-text-strong);
}

.hero-note {
  color: var(--ct-muted);
  max-width: 40rem;
}

.hero-aside,
.hero aside {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ct-surface-elevated) 92%, transparent),
    color-mix(in srgb, var(--ct-surface) 96%, transparent)
  );
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-xl);
  padding: 1rem 1.1rem;
  box-shadow: var(--ct-shadow);
  font-size: 0.88rem;
  color: var(--ct-muted);
}

.hero-aside h2,
.hero aside h2 {
  margin: 0 0 0.5rem;
  color: var(--ct-text);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-aside ul,
.hero aside ul {
  list-style: none;
  padding: 0;
  margin: 0.15rem 0 0.65rem;
}

.hero-aside li,
.hero aside li {
  margin: 0.2rem 0;
}

.hero-aside .label,
.hero aside .label {
  font-weight: 700;
  color: var(--ct-text);
}

.mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  width: fit-content;
  padding: 0.25rem;
  border-radius: var(--ct-radius-pill);
  border: 1px solid var(--ct-border);
  background: color-mix(in srgb, var(--ct-surface-elevated) 88%, transparent);
}

.mode-toggle a {
  padding: 0.42rem 0.95rem;
  border-radius: var(--ct-radius-pill);
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

.mode-toggle a.is-current {
  background: rgba(244, 208, 111, 0.18);
  font-weight: 700;
}

.mode-toggle a:hover {
  text-decoration: none;
  background: rgba(148, 163, 184, 0.12);
}

.grid,
.page-grid {
  display: grid;
  gap: 1rem;
}

.grid.grid--sidebar,
.page-grid.page-grid--sidebar {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.95fr);
}

.stack {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.card {
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-lg);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ct-surface-elevated) 92%, transparent),
    color-mix(in srgb, var(--ct-surface) 96%, transparent)
  );
  box-shadow: var(--ct-shadow-soft);
  padding: 1rem;
}

.card h2,
.card h3 {
  margin-top: 0.15rem;
  color: var(--ct-text);
}

.card h2 {
  font: 800 1.2rem/1.2 var(--ct-font-sans);
}

.card h3 {
  font: 700 1rem/1.3 var(--ct-font-sans);
}

.card + .card {
  margin-top: 1rem;
}

.section-divider,
hr.section-divider,
.card hr {
  margin: 1.2rem 0;
  border: 0;
  border-top: 1px dashed var(--ct-border);
}

.row,
.field-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

.field-grid--two,
.row.split-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid--three,
.row.split-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ct-text);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.68rem 0.78rem;
  border-radius: var(--ct-radius-md);
  border: 1px solid var(--ct-border);
  background: color-mix(in srgb, var(--ct-surface-elevated) 92%, transparent);
  color: var(--ct-text-strong);
  font: 400 1rem/1.4 var(--ct-font-sans);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
  background: #1b1b1b;
  color: var(--ct-text);
}

input::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--ct-muted) 82%, transparent);
  opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--ct-focus);
  box-shadow: 0 0 0 3px rgba(52, 52, 143, 0.12);
  outline: none;
}

textarea {
  min-height: 220px;
  resize: vertical;
}

.help {
  margin-top: 0.25rem;
  font-size: 0.86rem;
  line-height: 1.42;
  color: var(--ct-muted);
}

.help.info {
  color: var(--ct-info);
  font-weight: 600;
}

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

.toast {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.toast.ok { color: var(--ct-success); }
.toast.warn { color: var(--ct-warning); }
.toast.info { color: var(--ct-info); }

.error {
  border-color: var(--ct-danger) !important;
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12);
}

.success {
  border-color: var(--ct-success) !important;
  box-shadow: 0 0 0 3px rgba(23, 103, 58, 0.12);
}

.toolbar,
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.badge,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 30px;
  padding: 0.28rem 0.58rem;
  border-radius: var(--ct-radius-pill);
  border: 1px solid var(--ct-border);
  font-size: 0.82rem;
  background: rgba(244, 208, 111, 0.18);
  color: var(--ct-text);
}

.pill {
  background: color-mix(in srgb, var(--ct-surface-alt) 85%, transparent);
  font-weight: 700;
}

fieldset {
  margin: 0;
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-md);
  padding: 0.8rem;
}

legend {
  padding: 0 0.45rem;
  font-weight: 700;
  color: var(--ct-text);
}

.radio-list label,
.checkbox-list label {
  display: block;
  font-weight: 500;
}

.radio-list input,
.checkbox-list input {
  width: auto;
  margin-right: 0.4rem;
}

.step-indicator,
.stepper {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.step,
.stepper__step {
  flex: 1 1 0;
  min-width: 130px;
  text-align: center;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  font-size: 0.86rem;
  background: var(--ct-border);
  color: var(--ct-muted);
  font-weight: 700;
}

.step.active,
.stepper__step.is-active {
  background: var(--ct-brand);
  color: #2c230a;
}

.step.completed,
.stepper__step.is-complete {
  background: var(--ct-success);
  color: #fff;
}

.collapsible {
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-md);
  overflow: hidden;
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem;
  background: color-mix(in srgb, var(--ct-surface-alt) 88%, transparent);
}

.collapsible-header > span,
.collapsible-header > strong {
  font-weight: 700;
  color: var(--ct-text);
}

.collapsible-content {
  display: none;
  padding: 0.85rem;
  border-top: 1px solid var(--ct-border);
}

.collapsible.open .collapsible-content {
  display: block;
}

.recipient-card,
.target-card,
.preview-card {
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-md);
  padding: 0.8rem 0.9rem;
  background: color-mix(in srgb, var(--ct-surface-alt) 88%, transparent);
}

.recipient-card strong,
.target-card strong,
.preview-card strong {
  display: block;
  color: var(--ct-text);
}

.dual-letter {
  display: grid;
  gap: 0.75rem;
}

.output-area,
.output-box {
  width: 100%;
  min-height: 260px;
  border-radius: 0.75rem;
  padding: 0.8rem;
  font: 0.92rem/1.5 var(--ct-font-sans);
  border: 1px solid var(--ct-border);
  background: color-mix(in srgb, var(--ct-surface-elevated) 92%, transparent);
  color: inherit;
  box-sizing: border-box;
  resize: vertical;
}

.preview-box {
  white-space: pre-wrap;
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-md);
  padding: 0.85rem;
  background: color-mix(in srgb, var(--ct-surface-elevated) 92%, transparent);
  max-height: 420px;
  overflow: auto;
}

.resource-strip {
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.resource-strip .card {
  padding: 1.35rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px dashed var(--ct-border);
  background: color-mix(in srgb, var(--ct-surface) 96%, transparent);
  color: var(--ct-muted);
}

.site-footer__main {
  padding: 1rem 0 0.9rem;
}

.site-footer__support {
  padding-bottom: 1.1rem;
}

.donate-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--ct-brand-600), var(--ct-brand));
  color: #3a2e0f;
  text-decoration: none;
  padding: 0.7rem 1.15rem;
  border-radius: var(--ct-radius-md);
  border: 1px solid var(--ct-brand-700);
  font-weight: 700;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.donate-button:hover {
  transform: translateY(-1px);
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  border: 1px solid var(--ct-brand-700);
  background: var(--ct-brand);
  color: #3a2e0f;
  border-radius: var(--ct-radius-pill);
  padding: 0.65rem 0.95rem;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.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;
}

.hidden {
  display: none !important;
}

.print-only {
  display: none !important;
}

.loading {
  position: relative;
  opacity: 0.78;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid var(--ct-border);
  border-top-color: var(--ct-brand);
  border-radius: 50%;
  animation: ct-spin 1s linear infinite;
}

@keyframes ct-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 960px) {
  .grid.grid--sidebar,
  .page-grid.page-grid--sidebar,
  .hero--split .hero-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    width: 100%;
    margin-left: 0;
    margin-top: 0.45rem;
    padding-top: 0.35rem;
    border-top: 1px solid var(--ct-border-strong);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .btn,
  .nav-links a.btn,
  .nav-links button.btn {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 840px) {
  .field-grid--two,
  .field-grid--three,
  .row.split-2,
  .row.split-3,
  .dual-letter {
    grid-template-columns: 1fr;
  }
}

@media print {
  .site-header,
  .site-footer,
  .to-top,
  .screen-only {
    display: none !important;
  }

  .print-only {
    display: block !important;
  }

  body {
    background: #fff !important;
    color: #000;
  }

  .wrap {
    max-width: none;
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 0;
    background: #fff;
  }
}
#printLettersContainer {
  display: none;
}

@media print {
  @page {
    size: letter;
    margin: 1in;
  }

  html, body {
    background: #fff !important;
    color: #000 !important;
  }

  header,
  footer,
  .hero,
  .toolbar,
  .to-top,
  .nav,
  .nav-links,
  .nav-toggle,
  .mode-toggle,
  .step-indicator,
  .disclaimer,
  #lettersBox,
  #envelopes,
  button,
  .btn,
  #status,
  #submitTargets {
    display: none !important;
  }

  main,
  .wrap,
  .grid,
  .card,
  section {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    max-width: none !important;
  }

  #printLettersContainer {
    display: block !important;
    max-width: 6.5in;
    margin: 0 auto;
    font-family: "Times New Roman", Georgia, serif;
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
  }

  .print-letter {
    page-break-after: always;
    break-after: page;
  }

  .print-letter:last-child {
    page-break-after: auto;
    break-after: auto;
  }

  .print-letter pre {
    margin: 0;
    font: inherit;
    white-space: pre-wrap;
  }
}