/* ===================================================================
   General View On This — Auth Pages (pages/auth.css)
   Premium authentication screens with animated gradients
   =================================================================== */

/* ---------------------------------------------------------------
   ANIMATED GRADIENT BACKGROUND
   --------------------------------------------------------------- */
@keyframes authGradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes authFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes authPulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 0.7; transform: scale(1.05); }
}

/* ---------------------------------------------------------------
   AUTH LAYOUT
   --------------------------------------------------------------- */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    #FDF0EB 0%,
    #FAFAF7 25%,
    #EBF0FA 50%,
    #FAFAF7 75%,
    #EBF5F0 100%
  );
  background-size: 400% 400%;
  animation: authGradientShift 20s ease infinite;
}

/* Decorative gradient circles in background corners */
.auth-container::before,
.auth-container::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
  animation: authPulseGlow 8s ease-in-out infinite;
}

.auth-container::before {
  width: 400px;
  height: 400px;
  top: -120px;
  right: -100px;
  background: radial-gradient(circle, rgba(232, 98, 42, 0.18) 0%, transparent 70%);
}

.auth-container::after {
  width: 350px;
  height: 350px;
  bottom: -100px;
  left: -80px;
  background: radial-gradient(circle, rgba(43, 94, 167, 0.14) 0%, transparent 70%);
  animation-delay: 4s;
}

/* ---------------------------------------------------------------
   AUTH CARD
   --------------------------------------------------------------- */
.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  padding: 3rem;
  background: var(--color-surface);
  border: 1px solid rgba(232, 227, 218, 0.6);
  border-radius: 20px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.04);
  animation: authFadeUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* ---------------------------------------------------------------
   AUTH HEADER
   --------------------------------------------------------------- */
.auth-title {
  text-align: center;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.auth-subtitle {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* ---------------------------------------------------------------
   AUTH TOGGLE — Modern Segmented Control
   --------------------------------------------------------------- */
.auth-toggle {
  display: flex;
  background-color: var(--color-surface-2);
  border-radius: 9999px;
  padding: 4px;
  margin-bottom: 2rem;
}

.auth-toggle-btn {
  flex: 1;
  padding: 11px 16px;
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: center;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    all 250ms cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  background: none;
  position: relative;
}

.auth-toggle-btn:hover {
  color: var(--color-text-primary);
}

.auth-toggle-btn.active {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.04);
  transform: scale(1.02);
}

/* ---------------------------------------------------------------
   AUTH DIVIDER — "OR" with extending lines
   --------------------------------------------------------------- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 1.75rem 0;
}

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

.auth-divider span {
  display: inline-block;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

/* ---------------------------------------------------------------
   AUTH FORM
   --------------------------------------------------------------- */
.auth-form .form-group {
  margin-bottom: 1.25rem;
}

.auth-form .form-input {
  height: 48px;
  padding: 12px 16px;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.auth-form .form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 98, 42, 0.1);
}

.auth-form .btn-primary {
  width: 100%;
  height: 48px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0.75rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.auth-form .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-colored);
}

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

/* Remember me / forgot password row */
.auth-remember {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}

.auth-remember label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.auth-remember label:hover {
  color: var(--color-text-primary);
}

.auth-remember input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  border-radius: 4px;
}

.auth-forgot {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-forgot:hover {
  color: var(--color-accent-hover);
}

/* ---------------------------------------------------------------
   GOOGLE BUTTON
   --------------------------------------------------------------- */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  height: 48px;
  padding: 12px;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-google:hover {
  background-color: var(--color-surface-2);
  border-color: var(--color-text-muted);
  box-shadow: var(--shadow-sm);
}

.btn-google:active {
  transform: scale(0.98);
  box-shadow: none;
}

.btn-google .google-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ---------------------------------------------------------------
   AUTH FOOTER
   --------------------------------------------------------------- */
.auth-footer {
  text-align: center;
  margin-top: 2rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.auth-footer a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-footer a:hover {
  color: var(--color-accent-hover);
}

/* ---------------------------------------------------------------
   PASSWORD STRENGTH INDICATOR
   --------------------------------------------------------------- */
.password-strength {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.password-strength-bar {
  flex: 1;
  height: 4px;
  background-color: var(--color-surface-2);
  border-radius: 2px;
  transition: background-color 400ms ease;
}

.password-strength-bar.weak {
  background-color: var(--color-red);
}

.password-strength-bar.medium {
  background-color: var(--color-yellow);
}

.password-strength-bar.strong {
  background-color: var(--color-green);
}

.password-strength-text {
  font-size: 0.75rem;
  margin-top: 4px;
  font-weight: 600;
}

/* ---------------------------------------------------------------
   ROLE SELECTOR
   --------------------------------------------------------------- */
.role-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.role-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 1.5rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  background: var(--color-surface);
}

.role-option:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-2);
  transform: translateY(-1px);
}

.role-option.selected {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(232, 98, 42, 0.1);
}

.role-option input {
  display: none;
}

.role-icon {
  font-size: 1.75rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
}

.role-option.selected .role-icon {
  background: rgba(232, 98, 42, 0.12);
}

.role-label {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
}

.role-description {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ---------------------------------------------------------------
   BUSINESS FIELDS — Smooth height transition
   --------------------------------------------------------------- */
.business-fields {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height 500ms cubic-bezier(0.4, 0, 0.2, 1),
    opacity 300ms ease,
    margin 300ms ease;
  margin-top: 0;
}

.business-fields.visible {
  max-height: 600px;
  opacity: 1;
  margin-top: 0.5rem;
}

/* ---------------------------------------------------------------
   RESPONSIVE
   --------------------------------------------------------------- */
@media (max-width: 520px) {
  .auth-container {
    padding: 1rem;
    align-items: flex-start;
    padding-top: 3rem;
  }

  .auth-card {
    padding: 2rem 1.5rem;
    border-radius: 16px;
  }

  .auth-title {
    font-size: 1.625rem;
  }

  .role-selector {
    grid-template-columns: 1fr;
  }

  .auth-container::before,
  .auth-container::after {
    display: none;
  }
}

/* ---------------------------------------------------------------
   INLINE AUTH MESSAGES
   --------------------------------------------------------------- */
.auth-error,
.auth-success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.3s ease;
}

.auth-error {
  background: #FEF2F2;
  color: #B91C1C;
  border: 1px solid #FECACA;
}

.auth-error svg {
  color: #DC2626;
  flex-shrink: 0;
}

.auth-success {
  background: #F0FDF4;
  color: #15803D;
  border: 1px solid #BBF7D0;
}

.auth-success svg {
  color: #16A34A;
  flex-shrink: 0;
}