/* Умишлено пестеливо. Разкрасяването е за след М1. */

:root {
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5c6270;
  --line: #dfe2e8;
  --accent: #1f5fbf;
  --error: #b3261e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e8eaed;
    --muted: #9aa1ad;
    --line: #2c3038;
    --accent: #6ea3f0;
    --error: #f2b8b5;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.hidden { display: none !important; }

header {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--line);
}

header nav { display: flex; gap: .25rem; margin-right: auto; }

button {
  font: inherit;
  padding: .4rem .8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

button[type="submit"] { border-color: var(--accent); color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }

main { padding: 1rem; max-width: 900px; }

.card {
  max-width: 380px;
  margin: 12vh auto;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 10px;
}

form { display: grid; gap: .75rem; }

label { display: grid; gap: .25rem; font-size: .875rem; color: var(--muted); }

input, select, textarea {
  font: inherit;
  color: var(--fg);
  background: transparent;
  padding: .45rem .6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .4rem; border-bottom: 1px solid var(--line); }
th { font-size: .8125rem; color: var(--muted); font-weight: 600; }

.hint { color: var(--muted); font-size: .875rem; }
.error { color: var(--error); }

ul { padding-left: 1.2rem; }
a { color: var(--accent); }