/* =============================================
   CK 852 LOTTERY - Login / Auth Pages
   ============================================= */

.ck-auth {
  min-height: 100vh;
  display: flex;
  font-family: var(--font-family);
  background: var(--color-bg-primary);
}

.ck-auth__visual {
  flex: 1;
  background: linear-gradient(135deg, #9C2326 0%, #B6272B 50%, #7A1B1E 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ck-auth__visual-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: var(--space-10);
}

.ck-auth__visual-logo {
  width: 160px;
  height: auto;
  margin-bottom: var(--space-6);
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.3));
}

.ck-auth__visual-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
  letter-spacing: 2px;
}

.ck-auth__visual-subtitle {
  font-size: var(--font-size-md);
  color: rgba(255,255,255,0.8);
  font-weight: var(--font-weight-light);
}

/* Decorative circles */
.ck-auth__visual::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(212, 168, 67, 0.1);
  top: -100px;
  right: -100px;
}

.ck-auth__visual::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  bottom: -80px;
  left: -80px;
}

.ck-auth__form-panel {
  width: 50%;
  min-width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
}

.ck-auth__card {
  width: 100%;
  max-width: 420px;
}

.ck-auth__logo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-8);
}

.ck-auth__logo img {
  width: 100px;
  height: auto;
}

.ck-auth__title {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.ck-auth__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-8);
}

.ck-auth__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.ck-auth__input-group {
  position: relative;
}

.ck-auth__input-group .ck-auth__icon {
  position: absolute;
  top: 50%;
  left: var(--space-4);
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: var(--font-size-md);
  pointer-events: none;
}

.ck-auth__input {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.ck-auth__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(156, 35, 38, 0.1);
}

.ck-auth__input::placeholder {
  color: var(--color-text-light);
}

.ck-auth__toggle-password {
  position: absolute;
  top: 50%;
  right: var(--space-4);
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: var(--font-size-md);
  padding: var(--space-1);
  transition: color var(--transition-fast);
}

.ck-auth__toggle-password:hover {
  color: var(--color-text-primary);
}

.ck-auth__submit {
  width: 100%;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-2);
}

.ck-auth__submit:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: 0 4px 16px rgba(156, 35, 38, 0.3);
  transform: translateY(-1px);
}

.ck-auth__submit:active {
  transform: translateY(0);
}

.ck-auth__error {
  text-align: center;
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  padding: var(--space-3);
  background: var(--color-danger-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.ck-auth__links {
  text-align: center;
  margin-top: var(--space-4);
}

.ck-auth__links a {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.ck-auth__links a:hover {
  color: var(--color-primary);
}

/* Password strength bar */
.ck-auth__strength-bar {
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-border-light);
  margin-top: var(--space-2);
  overflow: hidden;
}

.ck-auth__strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-base), background var(--transition-base);
}

@media (max-width: 768px) {
  .ck-auth__visual {
    display: none;
  }

  .ck-auth__form-panel {
    width: 100%;
    min-width: auto;
    padding: var(--space-6);
  }

  .ck-auth__card {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .ck-auth__form-panel {
    padding: var(--space-5);
  }

  .ck-auth__logo img {
    width: 80px;
  }
}