.auth-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  border: 1.5px solid var(--glass-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  font-weight: 900;
  font-size: 18px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  box-shadow: var(--glass-shadow), 0 6px 15px rgba(0, 0, 0, 0.2);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10;
  padding: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.auth-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.auth-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 1.5rem);
  padding-top: clamp(1.25rem, 3.5vw, 1.75rem);
  text-align: center;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--glass-border) !important;
  border-radius: 28px !important;
  box-shadow:
    0 10px 40px -10px rgba(0,0,0,0.5),
    0 0 0 1px rgba(255,255,255,0.1) inset,
    0 25px 80px -20px rgba(0,0,0,0.6) !important;
  background: radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--card-bg), white 5%), var(--card-bg) 70%) !important;
  backdrop-filter: blur(30px) saturate(190%) !important;
  -webkit-backdrop-filter: blur(30px) saturate(190%) !important;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: modalIn 0.5s cubic-bezier(0.2, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  max-height: min(92dvh, calc(100svh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 1.5rem));
  min-height: 0;
}
.auth-panel-header {
  flex: 0 0 auto;
}

.auth-panel-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
  margin: 0 -4px;
  padding: 0 4px 4px;
  scroll-padding-bottom: 24px;
}
.auth-panel-scroll::-webkit-scrollbar {
  width: 6px;
}

.auth-panel-scroll::-webkit-scrollbar-thumb {
  background-color: var(--glass-border);
  border-radius: 10px;
}

.auth-panel-footer {
  flex: 0 0 auto;
  margin-top: 12px;
  padding-top: 12px;
  text-align: center;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-secondary);
  border-top: 1px solid color-mix(in srgb, var(--glass-border), transparent 35%);
}

.auth-panel-footer a {
  color: var(--accent-color);
  font-weight: 700;
  text-decoration: underline;
}

.auth-status-banner {
  margin-bottom: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 600;
  text-align: left;
  border: 1.5px solid transparent;
}

.auth-status-banner.is-info {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--accent-color), transparent 90%);
  border-color: color-mix(in srgb, var(--accent-color), transparent 75%);
}

.auth-status-banner.is-success {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--success-color, #2e7d32), transparent 90%);
  border-color: color-mix(in srgb, var(--success-color, #2e7d32), transparent 75%);
}

.auth-status-banner.is-warning {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--warning-color), transparent 92%);
  border-color: color-mix(in srgb, var(--warning-color), transparent 75%);
}

.auth-inline-alert {
  margin-bottom: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 600;
  text-align: left;
  max-height: 5.5rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.auth-inline-alert--error {
  color: var(--error-color);
  background: color-mix(in srgb, var(--error-color), transparent 92%);
  border: 1.5px solid color-mix(in srgb, var(--error-color), transparent 75%);
}

.auth-verify-panel {
  text-align: center;
  padding: 4px 0 8px;
}

.auth-verify-panel__icon {
  font-size: 28px;
  margin-bottom: 10px;
  opacity: 0.9;
}

.auth-verify-panel h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.4px;
  color: var(--text-primary);
}

.auth-verify-panel p {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.45;
}

.auth-verify-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.auth-verify-actions .custom-glass-btn {
  width: 100%;
  box-sizing: border-box;
}

.auth-container h2 {
  margin-top: 0;
  margin-bottom: 14px;
  color: var(--text-primary);
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--glass-button-bg);
  border: 1.5px solid var(--glass-border);
  padding: 6px;
  border-radius: 24px;
  backdrop-filter: var(--glass-button-blur);
}

.auth-tabs button {
  flex: 1;
  background: none;
  border: none;
  padding: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  outline: none;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  border-radius: 18px;
}

.auth-tabs button.active {
  color: var(--accent-text);
  background: var(--accent-color);
  box-shadow: var(--glass-shadow), 0 4px 12px color-mix(in srgb, var(--accent-color), transparent 80%);
}

#auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.auth-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
}

.auth-input-row .input-group {
  min-width: 0;
}

.auth-section-divider {
  height: 1.5px;
  width: calc(100% + 20px);
  margin: 12px -10px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  opacity: 0.6;
}

#auth-form .input-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  text-align: left;
}

#auth-form label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-left: 12px;
}

#auth-form input {
  width: 100% !important;
  max-width: none !important;
  padding: 14px 20px;
  border: 1.5px solid var(--glass-border);
  border-radius: 20px;
  font-size: 15px;
  outline: none;
  background: var(--glass-button-bg);
  color: var(--text-primary);
  transition: all 0.3s ease;
  box-sizing: border-box;
  backdrop-filter: var(--glass-button-blur);
}

#auth-form input:focus {
  border-color: var(--me-color);
  background: var(--card-bg);
  box-shadow: 0 0 15px color-mix(in srgb, transparent, var(--me-color) 20%);
}

#auth-submit-btn {
  width: 100%;
  border: none;
  border-radius: 20px;
  padding: 15px;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  box-shadow:
    0 8px 16px -4px rgba(37, 99, 235, 0.4),
    0 0 0 1.5px rgba(255,255,255,0.15) inset;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  margin-top: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-sizing: border-box;
}

#auth-submit-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 16px 28px -8px color-mix(in srgb, var(--accent-color, #2563eb), transparent 45%);
}

#auth-submit-btn:active {
  transform: translateY(1px);
}

@media (hover: none) {
  #auth-submit-btn:hover {
    transform: none;
    filter: none;
    box-shadow:
      0 8px 16px -4px rgba(37, 99, 235, 0.4),
      0 0 0 1.5px rgba(255,255,255,0.15) inset;
  }
}
.auth-divider {
  margin: 16px 0;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

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

.auth-secondary-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.auth-social-btns {
  display: flex;
  gap: 12px;
  width: 100%;
}

#google-signin-btn {
  flex: 1;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1.5px solid var(--glass-border);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#google-signin-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  border-color: var(--text-secondary);
  box-shadow: 0 10px 20px -5px rgba(0,0,0,0.3);
}

#guest-submit-btn {
  background: var(--glass-button-bg);
  color: var(--text-primary);
  border: 1.5px solid var(--glass-border);
  border-radius: 40px;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  transition: all 0.25s ease;
  width: 100%;
  backdrop-filter: var(--glass-button-blur);
  letter-spacing: -0.5px;
  font-family: inherit;
  text-align: center;
  box-shadow: var(--glass-shadow);
}

#guest-submit-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}


#auth-error-msg {
  animation: authShakeIn 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

.auth-container.shake {
  animation: authShakeIn 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes authShakeIn {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

#auth-name-fields {
  display: none;
  width: 100%;
}

#auth-forgot-wrap {
  text-align: right;
  margin-top: -4px;
}

.auth-forgot-link {
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  transition: color 0.2s;
}

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

body.auth-active header,
body.auth-active nav,
body.auth-active #desktop-header-container,
body.auth-active #mobile-nav-container {
  display: none !important;
}

.auth-password-requirements {
  text-align: left;
  margin: 10px 0 4px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1.5px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
}

.auth-password-requirements__title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.auth-password-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.auth-password-rule {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--text-secondary);
}

.auth-password-rule.is-pass {
  color: var(--success-color, #22c55e);
}

.auth-password-rule__icon {
  flex: 0 0 auto;
  width: 16px;
  font-weight: 800;
}

.auth-password-breach {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.4;
}

.auth-password-breach.is-checking,
.auth-password-breach.is-neutral {
  color: var(--text-secondary);
}

.auth-password-breach.is-pass {
  color: var(--success-color, #22c55e);
}

.auth-password-breach.is-fail {
  color: var(--error-color);
}

@media (max-width: 600px) {
  .auth-container {
    padding: 16px 14px;
    padding-top: 18px;
    border-radius: 24px;
    max-height: min(94svh, calc(100svh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 0.75rem));
  }
  .auth-container h2 {
    margin-bottom: 10px;
    font-size: clamp(20px, 6.2vw, 26px);
  }
  .auth-tabs {
    margin-bottom: 14px;
  }
  .auth-tabs button {
    padding: 10px 8px;
    font-size: 13px;
    line-height: 1.2;
  }
  #auth-form input {
    padding: 12px 16px;
    font-size: 16px;
  }
  #auth-submit-btn {
    padding: 13px;
    font-size: 14px;
  }
  .auth-social-btns {
    flex-direction: column;
  }
  .auth-panel-footer {
    font-size: 11px;
    margin-top: 8px;
    padding-top: 8px;
  }
  .auth-close-btn {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    font-size: 16px;
  }
}

@media (max-width: 380px) {
  .auth-input-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .auth-tabs button {
    font-size: 12px;
    padding: 9px 6px;
  }
}

@media (max-height: 700px) {
  .auth-container {
    max-height: min(96svh, calc(100svh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 0.5rem));
    padding: 12px;
    padding-top: 14px;
  }
  .auth-container h2 {
    margin-bottom: 8px;
    font-size: clamp(18px, 4.5vh, 24px);
  }
  .auth-tabs {
    margin-bottom: 10px;
    padding: 4px;
  }
  .auth-tabs button {
    padding: 8px;
    font-size: 13px;
  }
  #auth-form {
    gap: 10px;
  }
  .auth-divider {
    margin: 10px 0;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .auth-container {
    border-radius: 20px;
    max-height: calc(100svh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 0.25rem);
  }
  .auth-panel-footer {
    display: none;
  }
  .auth-container h2 {
    font-size: 18px;
    margin-bottom: 6px;
  }
}