:root {
  --background: #f3eee4;
  --surface: #fbf7f0;
  --text: #2a241c;
  --text-muted: #5c5348;
  --gold: #6f5424;
  --border: #ddd2c0;
  --danger: #8c2f2f;
  --focus: #6f5424;
  --primary: #2a241c;
  --primary-fg: #fbf7f0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 4rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #14110e;
    --surface: #1e1a15;
    --text: #f6f0e6;
    --text-muted: #d2c4ae;
    --gold: #e4c98a;
    --border: #3d342a;
    --danger: #ffb4ae;
    --focus: #e4c98a;
    --primary: #f3eadc;
    --primary-fg: #1e1a15;
    color-scheme: dark;
  }
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}

p,
h1,
h2 {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

main {
  width: min(32rem, 100%);
  margin-inline: auto;
  padding: var(--space-6) var(--space-4) var(--space-8);
}

.invitation {
  margin: 0 0 var(--space-8);
}

.invitation img {
  display: block;
  width: 100%;
  height: auto;
}

.invitation figcaption {
  margin-top: var(--space-4);
  text-align: center;
}

.invitation a {
  color: var(--text);
  text-underline-offset: 0.15em;
}

h1,
.thanks h2 {
  font-size: 1.875rem;
  font-weight: 600;
  line-height: 1.2;
}

.lede {
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
  color: var(--text-muted);
}

fieldset {
  border: 0;
  margin: 0 0 var(--space-5);
  padding: 0;
  min-inline-size: 0;
}

legend {
  padding: 0;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
}

.req-note {
  font-weight: 400;
  color: var(--text-muted);
}

.choices {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.choice {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 3rem;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
}

.choice input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--gold);
}

.choice:has(input:checked) {
  border-color: var(--gold);
  background: color-mix(in srgb, var(--gold) 10%, var(--surface));
}

.choice input:focus-visible {
  outline: none;
}

.choice:focus-within {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (hover: hover) {
  .choice:hover {
    border-color: var(--gold);
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.field label {
  font-size: 0.875rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  min-height: 3rem;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

textarea {
  min-height: 6rem;
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  border-color: var(--gold);
}

[aria-invalid="true"] {
  border-color: var(--danger);
}

.error {
  color: var(--danger);
  font-size: 0.875rem;
}

.error:empty {
  display: none;
}

.submit {
  width: 100%;
  min-height: 3rem;
  padding: var(--space-3) var(--space-6);
  border: 0;
  background: var(--primary);
  color: var(--primary-fg);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

@media (hover: hover) {
  .submit:hover {
    background: color-mix(in srgb, var(--primary) 86%, var(--surface));
  }
}

.submit:active {
  transform: scale(0.98);
}

.submit:disabled {
  cursor: wait;
  opacity: 0.7;
}

.reassure,
.preview-note {
  margin-top: var(--space-4);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.thanks p {
  margin-top: var(--space-3);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
  margin-bottom: var(--space-6);
}

.toolbar form {
  margin: 0;
}

.toolbar a,
.text-btn {
  color: var(--text);
  font: inherit;
  text-underline-offset: 0.15em;
}

.text-btn {
  min-height: 3rem;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-decoration: underline;
}

.summary {
  margin-bottom: var(--space-6);
  color: var(--text-muted);
}

.ledger {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.reply-row {
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.ledger .names {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.meta {
  margin-top: var(--space-1);
}

.contact,
.when {
  margin-top: var(--space-2);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.note {
  margin-top: var(--space-3);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.remove {
  min-height: 3rem;
  margin-top: var(--space-2);
  padding: 0;
  border: 0;
  background: none;
  color: var(--danger);
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

@media (prefers-reduced-motion: reduce) {
  .submit:active {
    transform: none;
  }
}