.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  background: transparent !important;
  position: relative;
  z-index: 1;
}

/* Frosted glass acrylic card for login and register */
.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(15, 15, 15, 0.82) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.45) !important;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85) !important;
  backdrop-filter: blur(18px) saturate(140%) !important;
  -webkit-backdrop-filter: blur(18px) saturate(140%) !important;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

:root:not([data-theme="dark"]) .auth-card {
  background: rgba(255, 255, 255, 0.82) !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.auth-card.register-card {
  max-width: 480px;
}

.auth-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.portal-brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: var(--icon-filter);
  margin-bottom: 4px;
}

.portal-brand-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
  text-shadow: 0 2px 14px rgba(255, 255, 255, 0.2);
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

.auth-top-actions {
  position: absolute;
  top: 16px;
  right: 20px;
}

.auth-alert {
  display: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(6px);
}

.auth-alert.visible {
  display: block;
}

.auth-alert.error {
  background: rgba(196, 43, 28, 0.2);
  color: #ff6b6b;
  border: 1px solid #c42b1c;
}

.auth-alert.info {
  background: rgba(76, 194, 255, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  margin-top: 15px;
  gap: 6px;
  width: 100%;
}

.form-field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-row {
  display: flex;
  gap: 12px;
  width: 100%;
}

.form-row > .form-field {
  flex: 1;
  min-width: 0;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-link {
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.form-link:hover {
  text-decoration: underline;
}

.winui-input-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.winui-input-box .winui-input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  opacity: 0.6;
}

.winui-textbox,
.winui-select {
  width: 100%;
  height: 42px;
  line-height: 42px;
  padding: 0 14px;
  font-size: 13px;
  border-radius: 10px;
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  outline: none;
  font-family: inherit;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

:root:not([data-theme="dark"]) .winui-textbox,
:root:not([data-theme="dark"]) .winui-select {
  background: rgba(255, 255, 255, 0.6);
}

.winui-input-box .winui-textbox {
  padding-left: 38px;
}

.winui-select {
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg fill="%23888888" height="18" viewBox="0 0 24 24" width="18" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.winui-textbox:focus, 
.winui-select:focus {
  border: 1px solid var(--accent);
  box-shadow: 0 0 0 2px var(--accent-light);
}

/* Full-width submit button styled like Main.html */
.btn-full {
  width: 100%;
  height: 42px;
  justify-content: center;
  font-weight: 600;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(10, 10, 10, 0.85) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 10px 25px -5px rgba(255, 255, 255, 0.2),
    0 4px 12px rgba(0, 0, 0, 0.8);
}

.btn-full:hover {
  border-top-color: #ffffff;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(20, 20, 20, 0.95) 100%);
  transform: translateY(-1px);
}

.icon-native {
  width: 18px;
  height: 18px;
  filter: none !important;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  margin: 4px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.auth-divider::before {
  margin-right: 12px;
}

.auth-divider::after {
  margin-left: 12px;
}

.auth-footer {
  font-size: 13px;
  text-align: center;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

.auth-footer a:hover {
  text-decoration: underline;
}

.connecting-card {
  align-items: center;
  text-align: center;
  padding: 44px 32px;
  gap: 12px;
}

.connecting-logo {
  margin: 0 auto 8px auto;
  display: block;
  animation: fluentLogoPulse 2s ease-in-out infinite;
}

@keyframes fluentLogoPulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
    filter: var(--icon-filter) drop-shadow(0 0 0 rgba(76, 194, 255, 0));
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
    filter: var(--icon-filter) drop-shadow(0 0 14px var(--accent));
  }
  100% {
    transform: scale(1);
    opacity: 0.8;
    filter: var(--icon-filter) drop-shadow(0 0 0 rgba(76, 194, 255, 0));
  }
}

.connecting-loader-track {
  width: 140px;
  height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  margin-top: 10px;
}

.connecting-loader-thumb {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 40%;
  background: var(--accent);
  border-radius: 2px;
  animation: winuiIndeterminate 1.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Profile Wizard & Avatar Picker Styling */
.auth-card.wizard-card {
  max-width: 450px;
  padding: 28px 26px;
  gap: 14px;
}

.wizard-header {
  text-align: center;
  margin-bottom: 0;
}

.wizard-header .portal-brand-logo {
  width: 38px;
  height: 38px;
  margin-bottom: 2px;
}

.wizard-header .auth-title {
  font-size: 18px;
  margin-top: 2px;
}

.wizard-header .auth-subtitle {
  font-size: 12px;
  color: var(--text-dim);
}

.wizard-progress-track {
  display: flex;
  gap: 6px;
  margin: 6px 0 8px 0;
}

.wizard-progress-bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(128, 128, 128, 0.2);
  transition: background 0.3s ease;
}

.wizard-progress-bar.active {
  background: var(--accent);
}

.avatar-upload-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 4px 0 10px 0;
}

.avatar-circle-frame {
  position: relative;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.avatar-preview-img.is-placeholder {
  width: 38px !important;
  height: 38px !important;
  object-fit: contain !important;
  opacity: 0.55;
  filter: var(--icon-filter);
}

.avatar-preview-img.has-image {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  opacity: 1 !important;
  filter: none !important;
}

.avatar-edit-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: var(--accent);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s ease;
}

.avatar-edit-badge:hover {
  transform: scale(1.08);
}

.avatar-edit-badge img {
  width: 12px !important;
  height: 12px !important;
  filter: brightness(0) invert(1) !important;
}

.avatar-caption {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 6px;
}

.wizard-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

@keyframes winuiIndeterminate {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}