.auth-center {
  display: flex; align-items: center; justify-content: center;
  height: 100%; padding: 20px;
}
.auth-card {
  background: #0d0d0d;
  border: 1px solid #1e1e1e;
  border-radius: 18px;
  padding: 40px 48px 36px;
  width: 100%;
  max-width: 420px;
  display: flex; flex-direction: column; gap: 6px;
}
.auth-title {
  font-size: 26px; font-weight: 800; color: #fff;
  letter-spacing: 0.5px; margin-bottom: 2px;
}
.auth-sub {
  font-size: 11px; color: #333; text-transform: uppercase;
  letter-spacing: 3px; margin-bottom: 18px;
}
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-label {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 2px; color: #555;
}
.auth-input {
  background: #111; border: 1px solid #222; border-radius: 8px;
  color: #fff; font-size: 15px; padding: 11px 14px;
  outline: none; transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.auth-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.auth-input::placeholder { color: #2a2a2a; }
.auth-error {
  font-size: 13px; color: #f87171; min-height: 18px;
  opacity: 0; transition: opacity 0.2s;
  text-align: center;
}
.auth-switch {
  margin-top: 18px; text-align: center;
  font-size: 13px; color: #444;
}
.auth-link {
  background: none; border: none; color: #2563eb;
  cursor: pointer; font-size: 13px; font-weight: 600;
  padding: 0; text-decoration: underline;
  transition: color 0.12s;
}
.auth-link:hover { color: #60a5fa; }
.auth-forgot-panel {
  border: 1px solid #1e3a6e;
  border-radius: 10px;
  padding: 14px 16px;
  background: #060c18;
  flex-direction: column;
  gap: 10px;
  animation: authFadeIn 0.2s ease both;
}