:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #111114;
  --muted: #6b6b76;
  --border: #e2e2e8;
  --accent: #4338ca;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --danger-bg: #fdecea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0f;
    --card: #17171d;
    --text: #f2f2f5;
    --muted: #9797a3;
    --border: #2a2a33;
    --accent: #818cf8;
    --accent-text: #111114;
    --danger: #f2b8b5;
    --danger-bg: #3a2323;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin: 16px;
}
.brand {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
h1 { font-size: 20px; margin: 0 0 24px; }
label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--muted); }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 16px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button:hover { opacity: 0.92; }
.error {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
}
.hint { color: var(--muted); font-size: 13px; margin-top: 16px; text-align: center; }
.client-name { font-weight: 600; }
.recovery-toggle { color: var(--muted); font-size: 13px; text-align: center; margin-top: 12px; }