/* ==========================================================================
   AUTHENTICATION MODAL STYLES
   ========================================================================== */

/* Modal Overlay */
.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 20px;
}

.auth-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* Modal Container */
.auth-modal-container {
  background: #ffffff;
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  max-width: 460px;
  width: 100%;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.auth-modal-overlay.show .auth-modal-container {
  transform: scale(1) translateY(0);
}

/* Close Button */
.auth-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: none;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
  z-index: 10;
}

.auth-modal-close:hover {
  background: var(--border-light);
  color: var(--text-main);
  transform: scale(1.1);
}

/* Auth Form Container */
.auth-form {
  padding: 48px 40px;
}

/* Auth Header */
.auth-header {
  margin-bottom: 32px;
  text-align: center;
}

.auth-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.2;
}

.auth-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.auth-header strong {
  color: var(--accent-blue);
  font-weight: 600;
}

/* Form Group */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-main);
  background: #ffffff;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* OTP Input Styling */
#otpCode {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5em;
  padding-left: 0.75em;
}

/* Submit Button */
.auth-submit-btn {
  width: 100%;
  padding: 14px 24px;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.auth-submit-btn:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.2);
}

.auth-submit-btn:disabled {
  background: #cbd5e1;
  cursor: not-allowed;
  transform: none;
}

/* Auth Footer */
.auth-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.auth-switch-link {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
  padding: 0;
  font-family: var(--font-sans);
}

.auth-switch-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* User Menu Dropdown */
.user-menu-dropdown {
  position: fixed;
  top: 70px;
  right: 20px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  padding: 12px;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* User Menu Header */
.user-menu-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  margin-bottom: 8px;
}

.user-menu-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.user-menu-info {
  flex: 1;
  min-width: 0;
}

.user-menu-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-menu-email {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Menu Divider */
.user-menu-divider {
  height: 1px;
  background: var(--border-light);
  margin: 8px 0;
}

/* Menu Items */
.user-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.user-menu-item:hover {
  background: var(--bg-subtle);
}

.user-menu-item span {
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 600px) {
  .auth-modal-container {
    max-width: 100%;
    border-radius: 20px;
    margin: 0 10px;
  }

  .auth-form {
    padding: 40px 28px;
  }

  .auth-header h2 {
    font-size: 1.5rem;
  }

  .user-menu-dropdown {
    right: 10px;
    min-width: calc(100vw - 20px);
    max-width: 320px;
  }
}

/* Loading State */
.auth-submit-btn:disabled::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 8px;
}

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

/* Success/Error States */
.form-group.error input {
  border-color: var(--accent-red);
}

.form-group.error input:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.success input {
  border-color: var(--accent-green);
}

.form-group.success input:focus {
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

/* Auto-fill Styling */
.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text-main);
  -webkit-box-shadow: 0 0 0 1000px #ffffff inset;
  transition: background-color 5000s ease-in-out 0s;
}