/* Full-screen admin login. Uses the app's design tokens. */
.login-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(106, 143, 110, 0.55), transparent 60%),
    linear-gradient(135deg, var(--navy) 0%, var(--teal-muted) 55%, var(--teal-dark) 100%);
}
.login-screen.is-hidden { display: none !important; }

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow-lg), 0 30px 60px rgba(20, 34, 26, 0.28);
  padding: 40px 36px 30px;
  text-align: center;
  animation: login-pop 0.35s cubic-bezier(0.16, 0.84, 0.44, 1);
}
@keyframes login-pop {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

.login-brand {
  font-size: var(--text-sm, 13px);
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin: 0 0 18px;
  text-transform: uppercase;
}

.login-badge {
  width: 66px;
  height: 66px;
  margin: 0 auto 18px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  box-shadow: 0 10px 24px rgba(106, 143, 110, 0.45);
}
.login-badge svg { width: 30px; height: 30px; }

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
}
.login-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 26px;
  line-height: 1.55;
}

.login-form { text-align: left; }
.login-field { margin-bottom: 16px; }
.login-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.login-card .input {
  width: 100%;
  height: 48px;
  font-size: 15px;
  border-radius: 11px;
  border: 1px solid var(--border-strong);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-card .input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-soft);
}

.login-error {
  background: var(--rose-bg);
  color: var(--rose);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: left;
}

.login-submit {
  width: 100%;
  height: 50px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 11px;
  margin-top: 4px;
}

.login-back {
  display: inline-block;
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
}
.login-back:hover { color: var(--teal-dark); }

@media (max-width: 480px) {
  .login-card { padding: 32px 22px 24px; border-radius: 16px; }
}