/* ===================================================
   PeakPureCow Milk — Auth Pages Stylesheet
   Login & Signup — Premium Glassmorphism Design
   =================================================== */

/* --- Auth Page Layout --- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(181, 204, 170, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(184, 150, 58, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(45, 74, 50, 0.08) 0%, transparent 70%),
    linear-gradient(170deg, #f7f3eb 0%, #e8e0d0 40%, #d9cbb3 100%);
  position: relative;
  overflow-x: hidden;
  padding: 2rem 1rem;
}

/* Ensure auth page body is always visible (override page-transition opacity) */
body.page-loaded .auth-page,
.auth-page {
  opacity: 1 !important;
  visibility: visible !important;
}

/* Animated background blobs */
.auth-page::before,
.auth-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  animation: blobFloat 12s ease-in-out infinite alternate;
}

.auth-page::before {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(45, 74, 50, 0.25), transparent 70%);
  top: -10%;
  left: -10%;
}

.auth-page::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(184, 150, 58, 0.2), transparent 70%);
  bottom: -10%;
  right: -10%;
  animation-delay: -6s;
}

@keyframes blobFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
  100% { transform: translate(-20px, 30px) scale(0.95); }
}

/* Floating orbs */
.auth-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.12;
}

.auth-orb--1 {
  width: 200px;
  height: 200px;
  background: var(--color-green-light);
  top: 10%;
  right: 15%;
  animation: orbDrift 18s ease-in-out infinite alternate;
}

.auth-orb--2 {
  width: 140px;
  height: 140px;
  background: var(--color-gold);
  bottom: 15%;
  left: 10%;
  animation: orbDrift 14s ease-in-out infinite alternate-reverse;
}

.auth-orb--3 {
  width: 100px;
  height: 100px;
  background: var(--color-sage);
  top: 50%;
  left: 50%;
  animation: orbDrift 20s ease-in-out infinite alternate;
}

@keyframes orbDrift {
  0% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(40px, -30px) rotate(120deg); }
  66% { transform: translate(-30px, 20px) rotate(240deg); }
  100% { transform: translate(20px, -10px) rotate(360deg); }
}

/* --- Auth Card (Glassmorphism) --- */
.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 24px;
  padding: 3rem 2.8rem;
  box-shadow:
    0 8px 40px rgba(45, 40, 30, 0.1),
    0 1px 3px rgba(45, 40, 30, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  animation: cardSlideUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes cardSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* --- Auth Logo Area --- */
.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.8rem;
  background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-mid));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(45, 74, 50, 0.25);
  animation: logoFloat 3s ease-in-out infinite;
}

.auth-logo__icon img {
  width: 36px;
  height: 36px;
  filter: brightness(0) invert(1);
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.auth-logo__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-green-dark);
  margin-bottom: 0.2rem;
}

.auth-logo__title span {
  color: var(--color-gold);
}

.auth-logo__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

/* --- Auth Headings --- */
.auth-heading {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-heading h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-green-dark);
  margin-bottom: 0.4rem;
}

.auth-heading p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin: 0;
}

/* --- Form Groups --- */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.auth-card .form-group__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-green-dark);
  margin-bottom: 0.5rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.form-group__input-wrap {
  position: relative;
}

.form-group__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--color-text-light);
  pointer-events: none;
  transition: color var(--transition);
}

.auth-card .form-group__input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 3rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.7);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  outline: none;
  transition: all var(--transition);
}

.auth-card .form-group__input::placeholder {
  color: var(--color-text-light);
  opacity: 0.6;
}

.auth-card .form-group__input:focus {
  border-color: var(--color-green-mid);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 4px rgba(45, 74, 50, 0.08);
}

.auth-card .form-group__input:focus ~ .form-group__icon,
.auth-card .form-group__input:focus + .form-group__icon {
  color: var(--color-green-mid);
}

/* Validation states */
.form-group__input.is-valid {
  border-color: var(--color-green-mid);
}

.form-group__input.is-invalid {
  border-color: #c0392b;
}

.form-group__error {
  display: none;
  font-size: 0.8rem;
  color: #c0392b;
  margin-top: 0.35rem;
  padding-left: 0.2rem;
  animation: shakeIn 0.3s ease;
}

.form-group__error.visible {
  display: block;
}

@keyframes shakeIn {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Password toggle */
.form-group__toggle-pw {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}

.form-group__toggle-pw:hover {
  color: var(--color-green-dark);
}

/* Password strength meter */
.pw-strength {
  display: flex;
  gap: 4px;
  margin-top: 0.5rem;
}

.pw-strength__bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  transition: background 0.3s ease;
}

.pw-strength__bar.active {
  background: var(--color-border);
}

.pw-strength[data-level="weak"] .pw-strength__bar.active {
  background: #e74c3c;
}

.pw-strength[data-level="fair"] .pw-strength__bar.active {
  background: #f39c12;
}

.pw-strength[data-level="good"] .pw-strength__bar.active {
  background: #27ae60;
}

.pw-strength[data-level="strong"] .pw-strength__bar.active {
  background: var(--color-green-dark);
}

.pw-strength__text {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.3rem;
  text-align: right;
}

/* --- Checkbox / Remember Me --- */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.8rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.form-check__input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-green-dark);
  cursor: pointer;
}

.form-check__label {
  font-size: 0.9rem;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

.form-link {
  font-size: 0.9rem;
  color: var(--color-green-dark);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition);
}

.form-link:hover {
  color: var(--color-gold);
}

/* --- Auth Button --- */
.btn-auth {
  width: 100%;
  padding: 1rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green-mid) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  letter-spacing: 0.3px;
  box-shadow: 0 4px 20px rgba(45, 74, 50, 0.3);
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(45, 74, 50, 0.4);
}

.btn-auth:active {
  transform: translateY(0);
}

.btn-auth::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn-auth:active::after {
  width: 300px;
  height: 300px;
}

.btn-auth:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Loading spinner on button */
.btn-auth .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

.btn-auth.loading .spinner {
  display: inline-block;
}

.btn-auth.loading .btn-auth__text {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Divider --- */
.auth-divider {
  display: flex;
  align-items: center;
  margin: 1.8rem 0;
  gap: 1rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-divider span {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Social Auth Buttons --- */
.social-auth {
  display: flex;
  gap: 0.8rem;
}

.btn-social {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.7);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-social:hover {
  background: rgba(255, 255, 255, 1);
  border-color: var(--color-green-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(45, 40, 30, 0.08);
}

.btn-social svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* --- Auth Footer (switch form) --- */
.auth-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(221, 213, 199, 0.5);
}

.auth-footer p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin: 0;
}

.auth-footer a {
  color: var(--color-green-dark);
  font-weight: 700;
  text-decoration: none;
  position: relative;
}

.auth-footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.auth-footer a:hover::after {
  width: 100%;
}

/* --- Terms Text --- */
.auth-terms {
  text-align: center;
  margin-top: 1.2rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.auth-terms a {
  color: var(--color-green-dark);
  font-weight: 600;
}

/* --- Toast Notification --- */
.auth-toast {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 9999;
  padding: 1rem 1.6rem;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-white);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.auth-toast.show {
  transform: translateX(0);
}

.auth-toast--success {
  background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-mid));
}

.auth-toast--error {
  background: linear-gradient(135deg, #c0392b, #e74c3c);
}

.auth-toast--info {
  background: linear-gradient(135deg, var(--color-earth), var(--color-gold));
}

/* --- Back to Home Link --- */
.auth-back {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-green-dark);
  text-decoration: none;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition);
}

.auth-back:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-gold);
  transform: translateX(-2px);
}

.auth-back svg {
  width: 16px;
  height: 16px;
}

/* --- User Avatar Badge (for header) --- */
.user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem 0.35rem 0.35rem;
  background: rgba(45, 74, 50, 0.06);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.user-badge:hover {
  background: rgba(45, 74, 50, 0.12);
}

.user-badge__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-mid));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
}

.user-badge__name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-green-dark);
}

/* User dropdown menu */
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--color-border);
  min-width: 180px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 200;
}

.user-badge:hover .user-dropdown,
.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.2rem;
  font-size: 0.9rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  font-family: var(--font-body);
}

.user-dropdown__item:hover {
  background: rgba(45, 74, 50, 0.05);
  color: var(--color-green-dark);
}

.user-dropdown__item svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-light);
}

.user-dropdown__divider {
  height: 1px;
  margin: 0.3rem 0;
  background: var(--color-border);
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .auth-card {
    padding: 2rem 1.5rem;
    border-radius: 20px;
    margin: 0 0.5rem;
  }

  .auth-heading h1 {
    font-size: 1.6rem;
  }

  .social-auth {
    flex-direction: column;
  }

  .auth-back {
    top: 1rem;
    left: 1rem;
  }

  .auth-toast {
    left: 1rem;
    right: 1rem;
    top: auto;
    bottom: 1rem;
  }
}