/* Mobile-first, light and sober theme (SPEC.md §8, NF-07). */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #59636e;
  --border: #d8dee4;
  --accent: #b42318;
  --accent-text: #ffffff;
  --ok-bg: #e9f6ec;
  --warn-bg: #fff4d6;
  --error-bg: #fdecea;
  font-family: system-ui, sans-serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header.site {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header.site a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.container {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 {
  color: var(--accent);
  margin-top: 0;
}

a {
  color: var(--accent);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  margin: 0 0 1rem;
}

.card.highlight {
  border-color: var(--accent);
}

label {
  display: block;
  margin: 0.75rem 0 0.25rem;
  font-weight: 500;
}

label.check {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-weight: 400;
}

input:not([type='checkbox'], [type='radio']),
textarea {
  width: 100%;
  padding: 0.6rem;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--surface);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.row > * {
  flex: 1 1 10rem;
}

.participant-row {
  margin-bottom: 0.5rem;
}

button,
.button {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.65rem 1.1rem;
  font: inherit;
  font-weight: 600;
  border: 1px solid var(--accent);
  border-radius: 0.375rem;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  cursor: pointer;
}

button.secondary,
.button.secondary {
  background: var(--surface);
  color: var(--accent);
}

button.danger {
  background: var(--surface);
  color: var(--accent);
  border-style: dashed;
}

form.inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

form.inline input {
  flex: 1 1 12rem;
}

form.inline button {
  margin-top: 0;
}

.names {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.participants {
  list-style: none;
  padding: 0;
}

.link code {
  word-break: break-all;
  font-size: 0.85rem;
}

.hint,
.meta,
.status {
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  margin-left: 0.5rem;
}

.message {
  white-space: pre-line;
}

.receiver {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0.25rem 0;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
}

.alert.notice {
  background: var(--ok-bg);
}

.alert.warning {
  background: var(--warn-bg);
}

.alert.error {
  background: var(--error-bg);
}

fieldset.card legend {
  font-weight: 600;
  padding: 0 0.25rem;
}

header.site {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav.lang {
  display: flex;
  gap: 0.5rem;
  font-size: 0.9rem;
}

nav.lang a {
  color: var(--accent);
  font-weight: 400;
}

.wishes {
  list-style: none;
  padding: 0;
  margin: 0;
}

.wish {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.wish:last-child {
  border-bottom: none;
}

.wish p {
  margin: 0.25rem 0;
}

.wish-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wish-actions button {
  margin-top: 0.25rem;
  padding: 0.35rem 0.75rem;
}

select {
  width: 100%;
  padding: 0.6rem;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--surface);
}