/* Breast Health Intelligence Studio — V3 Authentication Experience */

.studio-auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--canvas-bg);
  color: var(--text-main);
  position: relative;
  overflow-x: hidden;
}

.auth-split-stage {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  min-height: 100vh;
  width: 100%;
}

/* Left Column: Authentic Scientific Research Showcase */
.auth-showcase {
  position: relative;
  background: radial-gradient(circle at 20% 30%, rgba(13, 148, 136, 0.15), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.12), transparent 50%),
              #020617;
  color: #ffffff;
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border-right: 1px solid var(--slate-800);
}

.auth-showcase-bg {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  mix-blend-mode: screen;
  pointer-events: none;
  overflow: hidden;
}

.auth-showcase-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.3) brightness(0.85);
}

.auth-showcase-grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.auth-showcase-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
}

.auth-showcase-header {
  position: relative;
  z-index: 2;
  margin-bottom: var(--space-10);
}

.auth-showcase-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.auth-showcase-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--teal-300);
  background: rgba(13, 148, 136, 0.2);
  border: 1px solid rgba(45, 212, 191, 0.3);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.auth-showcase-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.auth-showcase-lead {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate-300);
  margin-bottom: var(--space-8);
}

.auth-showcase-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.auth-metric-pill {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.auth-metric-pill small {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.auth-metric-pill strong {
  display: block;
  font-size: 0.875rem;
  color: #ffffff;
  margin: 2px 0;
}

.auth-metric-pill .metric-val {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--teal-400);
}

.auth-showcase-footer {
  position: relative;
  z-index: 2;
  font-size: 0.8125rem;
  color: var(--slate-400);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-4);
}

/* Right Column: Focused, High-Contrast Authentication Panel */
.auth-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  background-color: #ffffff;
  width: 100%;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
}

.auth-card-top {
  margin-bottom: var(--space-6);
}

.auth-brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  margin-bottom: var(--space-5);
  transition: transform var(--duration-fast) var(--ease-out);
}

.auth-brand-link:hover {
  transform: translateY(-1px);
}

.auth-brand-link span {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.auth-header h1 {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--slate-950);
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-2) 0;
}

.auth-header p {
  font-size: 0.9375rem;
  color: var(--slate-600);
  margin: 0;
  line-height: 1.5;
}

/* Google Action Section */
.auth-google-wrapper {
  margin-top: var(--space-6);
  margin-bottom: var(--space-5);
}

.google-btn-container {
  display: flex;
  justify-content: center;
  min-height: 44px;
}

.google-fallback-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.6875rem 1rem;
  background-color: #ffffff;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--slate-700);
  cursor: pointer;
  transition: var(--transition-all);
  box-shadow: var(--shadow-sm);
}

.google-fallback-btn:hover {
  background-color: var(--slate-50);
  border-color: var(--slate-400);
  box-shadow: var(--shadow-md);
}

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

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--slate-400);
  font-size: 0.8125rem;
  margin: var(--space-5) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.auth-divider span {
  padding: 0 var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Form Styles */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-800);
}

.form-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input {
  width: 100%;
  padding: 0.6875rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--slate-900);
  background-color: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.form-input:focus {
  outline: none;
  border-color: var(--teal-600);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.password-toggle-btn {
  position: absolute;
  right: var(--space-3);
  background: none;
  border: none;
  padding: var(--space-1);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-500);
  cursor: pointer;
  border-radius: var(--radius-xs);
}

.password-toggle-btn:hover {
  color: var(--teal-700);
}

.auth-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0.8125rem 1.25rem;
  background-color: var(--teal-700);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  border: 1px solid var(--teal-800);
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(13, 148, 136, 0.25);
  transition: var(--transition-all);
  margin-top: var(--space-2);
}

.auth-submit-btn:hover:not(:disabled) {
  background-color: var(--teal-800);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.35);
}

.auth-submit-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.auth-alert-box {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.auth-alert-box.error {
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-line);
  color: var(--danger-text);
}

.auth-alert-box.info {
  background-color: var(--info-bg);
  border: 1px solid var(--info-line);
  color: var(--info-text);
}

.auth-alert-box.warning {
  background-color: #fffbeb;
  border: 1px solid #fcd34d;
  color: #78350f;
}

.account-resolution-card {
  padding: 1rem 1.125rem;
}

.resolution-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: #1e293b;
}

.resolution-desc {
  font-size: 0.8125rem;
  color: #475569;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.resolution-desc code {
  font-family: var(--font-mono, monospace);
  background: rgba(0, 0, 0, 0.06);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm, 4px);
  font-size: 0.8125rem;
}

.resolution-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.resolution-actions .studio-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.resolution-note {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.35;
  margin: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 0.5rem;
}

/* Account Type Selection */
.account-type-group {
  margin-bottom: var(--space-2);
}

.account-type-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.account-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.account-type-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0.875rem;
  border: 2px solid var(--border-subtle, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  background: #ffffff;
  transition: var(--transition-all, all 0.2s ease);
}

.account-type-card:hover {
  border-color: var(--teal-400, #2dd4bf);
}

.account-type-card.selected {
  border-color: var(--teal-600, #0d9488);
  background: rgba(13, 148, 136, 0.04);
  box-shadow: 0 0 0 1px var(--teal-600, #0d9488);
}

.account-type-card input[type="radio"] {
  position: absolute;
  top: 0.875rem;
  right: 0.875rem;
  margin: 0;
  accent-color: var(--teal-600, #0d9488);
  cursor: pointer;
}

.account-type-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--teal-700, #0f766e);
  margin-bottom: 0.25rem;
}

.account-type-badge.doctor {
  color: #2563eb;
}

.account-type-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--slate-900, #0f172a);
  margin-bottom: 0.25rem;
  padding-right: 1.25rem;
}

.account-type-desc {
  font-size: 0.75rem;
  color: var(--slate-600, #475569);
  line-height: 1.35;
  margin: 0;
}

.doctor-invite-block {
  margin-top: var(--space-2);
  padding: 0.875rem;
  background: #f8fafc;
  border: 1px dashed var(--teal-500, #14b8a6);
  border-radius: var(--radius-md, 8px);
}

.doctor-invite-hint {
  font-size: 0.75rem;
  color: var(--slate-500, #64748b);
  margin-top: 0.25rem;
}

.google-doctor-note {
  font-size: 0.75rem;
  color: var(--slate-500, #64748b);
  margin-top: 0.375rem;
  text-align: center;
  line-height: 1.35;
}

.auth-footer-links {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
  font-size: 0.875rem;
  color: var(--slate-600);
}

.auth-footer-links a {
  color: var(--teal-700);
  font-weight: 600;
  text-decoration: none;
}

.auth-footer-links a:hover {
  color: var(--teal-800);
  text-decoration: underline;
}

/* Responsive Authentication Breakpoints */
@media (max-width: 1024px) {
  .auth-split-stage {
    grid-template-columns: 1fr;
  }
  .auth-showcase {
    display: none; /* Streamline mobile auth directly to focused high-contrast form */
  }
  .auth-panel {
    min-height: 100vh;
    padding: var(--space-8) var(--space-4);
  }
}