:root {
  --bg: #f6f6f4;
  --panel: #ffffff;
  --text: #1f1f22;
  --muted: #6b6b73;
  --border: #e2e2de;
  --accent: #c0392b;
  --accent-text: #ffffff;
  --error: #b3261e;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 6px;
  padding: 6px 12px;
}
button:disabled { opacity: 0.6; cursor: default; }
.muted { color: var(--muted); }
.error { color: var(--error); margin: 0; }

/* ---------- шапка ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 52px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; text-decoration: none; white-space: nowrap; }
#nav { display: flex; gap: 4px; }
#nav a {
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--muted);
  white-space: nowrap;
}
#nav a:hover { color: var(--text); background: var(--bg); }
#nav a.active { color: var(--text); background: var(--bg); font-weight: 500; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; white-space: nowrap; }
.topbar-right a { color: var(--muted); text-decoration: none; }
#who { color: var(--muted); }

main { padding: 24px; max-width: 1400px; }
main h1 { margin: 0 0 8px; font-size: 22px; }

/* ---------- вход ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; }
.login-card {
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.login-card h1 { margin: 0 0 4px; font-size: 18px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 13px; }
.login-card input {
  font: inherit;
  color: var(--text);
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login-card button[type="submit"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); padding: 9px; }