:root {
  color-scheme: light;
  --bg: #f4f1ec;
  --panel: #fffaf5;
  --text: #221812;
  --muted: #6d5b4d;
  --accent: #8a261a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #ffffff 0%, var(--bg) 45%, #ebe4db 100%);
}

html[lang="fa"] body {
  font-family: Tahoma, "Noto Naskh Arabic", sans-serif;
}

.container {
  max-width: 760px;
  margin: 2rem auto;
  background: var(--panel);
  border: 1px solid #e6dbcd;
  border-radius: 12px;
  padding: 1.25rem;
}

h1 {
  margin-top: 0;
}

.site-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3.8vw, 2.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
}

.top-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  align-items: center;
}

.top-nav .spacer {
  flex: 1 1 auto;
}

.top-nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.top-nav a:hover {
  text-decoration: underline;
}

label {
  display: block;
  margin-top: 1rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

input,
select,
textarea,
button {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid #cab8a8;
  border-radius: 8px;
  font: inherit;
}

button {
  margin-top: 1rem;
  color: #fff;
  background: var(--accent);
  border: 0;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.status {
  margin-top: 0.75rem;
  min-height: 1rem;
}

.hidden {
  position: absolute;
  left: -10000px;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.lang-card {
  display: block;
  border: 1px solid #cab8a8;
  border-radius: 10px;
  background: #fff;
  padding: 1rem;
  text-align: center;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

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

@media (max-width: 640px) {
  .container {
    margin: 1rem;
  }
}