/* ==========================================================================
   Apple Liquid Glass Authentication Gate
   Aesthetics: visionOS & macOS Sequoia Floating Frosted Glass Card
   ========================================================================== */

.auth-view {
  position: fixed;
  inset: 0;
  background-color: var(--bg-app);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  transition: opacity 0.36s var(--ease-apple), transform 0.36s var(--ease-apple), filter 0.36s var(--ease-apple);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
}

.auth-view.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.03);
  filter: blur(12px);
  visibility: hidden;
}

.auth-container {
  width: 100%;
  max-width: 410px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: appleSpringIn 0.45s var(--ease-apple);
  z-index: 2;
  margin: auto;
}

.auth-brand {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.auth-logo-frame {
  position: relative;
  padding: 3px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.05));
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.auth-logo {
  width: 58px;
  height: 58px;
  border-radius: 19px;
  object-fit: cover;
  display: block;
}

.auth-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-top: 2px;
}

.auth-subtitle {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.45;
  max-width: 320px;
}

/* Floating Liquid Glass Card (Lovable Spec) */
.auth-card {
  width: 100%;
  background: var(--card);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 32px 28px;
  box-shadow: var(--shadow-modal);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

/* Google Sign-In Button (Lovable Apple Glass) */
.btn-google-auth {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  background: var(--secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--duration-fast) var(--ease-spring);
}

.btn-google-auth:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn-google-auth:active {
  transform: scale(0.97);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 4px 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

/* Email & Password Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.auth-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.auth-input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  background: var(--input);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: all var(--duration-fast) var(--ease-spring);
}

.auth-input:focus {
  border-color: rgba(10, 132, 255, 0.45);
  background: var(--glass-surface);
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.12);
}

.btn-auth-submit {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-radius: 16px;
  font-size: 14.5px;
  font-weight: 550;
  margin-top: 6px;
  box-shadow: 0 4px 14px -2px rgba(10, 132, 255, 0.45);
  transition: all var(--duration-fast) var(--ease-spring);
}

.btn-auth-submit:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.btn-auth-submit:active {
  transform: scale(0.97);
}

.btn-auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-toggle-link {
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.auth-toggle-link a {
  color: var(--accent-apple);
  font-weight: 500;
  text-decoration: none;
}

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

.auth-footer-notice {
  margin-top: 20px;
  font-size: 11.5px;
  color: var(--text-tertiary);
  line-height: 1.5;
  max-width: 320px;
}