:root {
  --bg: var(--tg-theme-bg-color, #10140f);
  --fg: var(--tg-theme-text-color, #eef3ea);
  --hint: var(--tg-theme-hint-color, #9aa894);
  --card: var(--tg-theme-secondary-bg-color, #1a2117);
  --accent: var(--tg-theme-button-color, #5fae3c);
  --accent-fg: var(--tg-theme-button-text-color, #ffffff);
  --danger: var(--tg-theme-destructive-text-color, #e5533d);
  --croky: #5fae3c;
  color-scheme: light dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body { padding: 16px; padding-bottom: max(16px, env(safe-area-inset-bottom)); }

.card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--card);
  border-radius: 16px;
  padding: 18px;
  border-top: 3px solid var(--croky);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .18);
}

header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.croky { image-rendering: pixelated; flex: none; }
h1 { font-size: 20px; margin: 0; }
.sub { margin: 2px 0 0; color: var(--hint); font-size: 13px; }

label { display: block; font-weight: 600; margin-bottom: 8px; }
.field { display: flex; gap: 8px; }
input {
  flex: 1;
  min-width: 0;
  font: 16px ui-monospace, "SFMono-Regular", Menlo, monospace;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--hint) 40%, transparent);
  background: var(--bg);
  color: var(--fg);
  outline: none;
}
input:focus { border-color: var(--accent); }

button { font: inherit; border: 0; border-radius: 10px; cursor: pointer; }
.ghost { background: transparent; color: var(--hint); padding: 0 10px; font-size: 18px; }
.primary {
  width: 100%;
  margin-top: 14px;
  padding: 13px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
}
.primary:disabled { opacity: .5; cursor: default; }

.hint { color: var(--hint); font-size: 13px; margin: 8px 0 0; }
.status { margin: 14px 0 0; color: var(--hint); font-size: 14px; min-height: 1.4em; }
.status.error { color: var(--danger); }
.status.ok { color: var(--croky); font-weight: 600; }