:root {
  color-scheme: light dark;
  --bg: #f4f7f6;
  --bg-accent: #d7ebe3;
  --surface: #ffffff;
  --text: #10201b;
  --muted: #4d635c;
  --accent: #1f7a5c;
  --accent-soft: #e5f5ef;
  --danger: #9b1c1c;
  --danger-bg: #fde8e8;
  --border: #c5d5cf;
  --focus: #1f7a5c;
  --radius: 0.75rem;
  --font-sans: "Trebuchet MS", "Segoe UI", sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #071512;
    --bg-accent: #123a31;
    --surface: #0d211c;
    --text: #f2f7f5;
    --muted: #a9bcb6;
    --accent: #68d5ad;
    --accent-soft: #123a31;
    --danger: #ffb4b4;
    --danger-bg: #3a1515;
    --border: #2a4540;
    --focus: #68d5ad;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  padding: 1rem;
  background:
    radial-gradient(circle at 50% 0%, var(--bg-accent) 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
}

.page {
  width: min(100%, 34rem);
  margin: 0 auto;
  padding: 1.25rem 0 2.5rem;
}

.brand {
  display: block;
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 10vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  text-align: center;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.lang {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.lang select {
  min-height: 2.75rem;
  min-width: 9rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 0.15rem);
  background: var(--surface);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 5vw, 1.75rem);
  line-height: 1.25;
}

.warning {
  margin: 0 0 0.75rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius);
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 700;
}

.lede,
.privacy {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  margin: 0 0 1rem;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.check input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

button[type="submit"] {
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--danger);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  button[type="submit"] {
    color: #1a0505;
  }
}

button[type="submit"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

a {
  color: var(--accent);
  text-underline-offset: 0.25em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.status {
  min-height: 1.5rem;
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
}

.status[data-kind="error"] {
  color: var(--danger);
}

.status[data-kind="progress"],
.status[data-kind="info"] {
  color: var(--muted);
}

.success {
  text-align: center;
}

.success h2 {
  margin: 0 0 1rem;
  font-size: 1.4rem;
}

.footer-link {
  display: inline-block;
  margin-top: 0.25rem;
  min-height: 2.75rem;
  line-height: 2.75rem;
}

@media (max-width: 320px) {
  body {
    padding: 0.75rem;
  }

  .card {
    padding: 1rem;
  }

  .brand {
    font-size: 2rem;
  }
}