/* ============================================================
   Auth Pages — Login  (Premium)
   ============================================================ */

.auth-wrapper {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg) 0%, #e0e7ff 50%, var(--bg) 100%);
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 44px 40px;
  animation: authCardIn 0.5s cubic-bezier(0.16,1,0.3,1);
}
@keyframes authCardIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-brand {
  text-align: center;
  margin-bottom: 36px;
}
.auth-brand .brand-logo {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-primary);
}
.auth-brand h1 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.auth-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.auth-form .form-group {
  margin-bottom: 22px;
}
.auth-form .form-label {
  font-size: 0.85rem;
  font-weight: 600;
}
.auth-form .form-control {
  padding: 12px 16px;
  font-size: 0.92rem;
  border-radius: var(--radius);
}

.auth-form .password-wrapper {
  position: relative;
}
.auth-form .password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.auth-form .password-toggle:hover { color: var(--primary); background: var(--primary-bg); }

.auth-form .btn-login {
  width: 100%;
  padding: 13px;
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 8px;
}

.auth-error {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--danger);
  animation: shakeX 0.4s ease;
}
.auth-error.show { display: flex; }

@keyframes shakeX {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.auth-footer {
  text-align: center;
  margin-top: 28px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .auth-card {
    padding: 32px 24px;
    border: none;
    box-shadow: none;
    background: transparent;
  }
  .auth-wrapper { background: var(--bg); }
}

@media (max-width: 360px) {
  .auth-card { padding: 24px 16px; }
  .auth-brand .brand-logo { width: 52px; height: 52px; font-size: 1.3rem; }
  .auth-brand h1 { font-size: 1.25rem; }
}

@media (min-width: 1920px) {
  .auth-card { max-width: 480px; padding: 52px 48px; }
  .auth-brand .brand-logo { width: 68px; height: 68px; font-size: 1.7rem; }
  .auth-brand h1 { font-size: 1.6rem; }
}