/**
 * iLARS Web — Login page
 * Unified design for role selection, patient code, and doctor sign-in
 */

/* Shared tokens for all three windows */
:root {
  --login-window-bg: linear-gradient(145deg, rgba(255,255,255,0.98) 0%, rgba(248,250,255,0.99) 100%);
  --login-window-shadow: 0 20px 60px rgba(102, 126, 234, 0.12);
  --login-window-border: 1px solid rgba(102, 126, 234, 0.12);
  --login-window-radius: 20px;
  --login-window-padding: 2rem;
  --login-window-width: min(520px, calc(100vw - 2rem));
  --login-spacing: 1.25rem;
}

.login-page {
  min-height: 100vh;
  padding-top: calc(80px + 2rem);
  padding-bottom: 2rem;
  background: var(--gradient-soft, linear-gradient(180deg, #f8f9ff 0%, #fff5f5 50%, #f0f4ff 100%));
  display: flex;
  flex-direction: column;
}

.login-centering {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.login-heading {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.02em;
  text-align: center;
}

.login-subheading {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  text-align: center;
}

/* Slot: all three windows occupy the same spot (only one visible at a time) */
.login-window-slot {
  width: var(--login-window-width);
}

/* Base window: shared by role, patient, doctor */
.login-window {
  width: 100%;
  padding: var(--login-window-padding);
  background: var(--login-window-bg);
  border-radius: var(--login-window-radius);
  box-shadow: var(--login-window-shadow);
  border: var(--login-window-border);
  display: none;
}

.login-window.is-visible {
  display: block;
}

/* Close button (role window only) */
.login-window__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: var(--login-window-border);
  background: rgba(255,255,255,0.9);
  color: var(--text-secondary);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, box-shadow 0.2s;
}

.login-window__close:hover {
  color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.login-window__close:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Title: same in all three */
.login-window__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 var(--login-spacing);
  letter-spacing: -0.02em;
}

/* Role cards grid */
.login-role-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--login-spacing);
}

.login-role-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.75rem 1.25rem;
  background: rgba(255,255,255,0.8);
  border-radius: 16px;
  border: 2px solid transparent;
  text-align: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.login-role-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.12);
  border-color: rgba(102, 126, 234, 0.25);
}

.login-role-card:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

.login-role-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-role-card[data-role="doctor"] .login-role-card__icon {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.login-role-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.login-role-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 580px) {
  .login-role-cards {
    grid-template-columns: 1fr;
  }
}

/* Form (patient) */
.login-window__form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.login-window__form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.login-window__form input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  margin-bottom: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.login-window__form input:focus {
  outline: none;
  border-color: #667eea;
}

.login-window__btn {
  width: 100%;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff !important;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #ff9a56 100%);
  background-size: 200% 200%;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  margin-top: 0.25rem;
  box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}

.login-window__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.login-window__btn--secondary {
  background: #ffffff !important;
  color: #4a5568 !important;
  border: 2px solid rgba(102, 126, 234, 0.35) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
}

.login-window__btn--secondary:hover {
  border-color: rgba(102, 126, 234, 0.55) !important;
  background: rgba(102, 126, 234, 0.06) !important;
}

.login-window__email-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.25rem;
}

.login-window__forgot-wrap {
  margin: 0.75rem 0 0;
  text-align: center;
}

.login-window__link-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 0.875rem;
  color: #667eea;
  cursor: pointer;
  text-decoration: underline;
}

.login-window__link-btn:hover {
  color: #764ba2;
}

.login-window__link-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-window__info {
  font-size: 0.875rem;
  color: #2e7d32;
  margin: 0.5rem 0 0;
  line-height: 1.45;
}

.login-window__divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.login-window__divider::before,
.login-window__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(102, 126, 234, 0.15);
}

/* Subtitle (doctor) */
.login-window__subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

/* Google sign-in */
.login-window__google-wrap {
  margin-bottom: 0.5rem;
}

.login-window__google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: #3c4043;
  background: #ffffff;
  border: 1px solid #dadce0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.login-window__google-btn:hover {
  background: #f8f9fa;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  border-color: rgba(102, 126, 234, 0.3);
}

.login-window__google-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-window__google-icon {
  flex-shrink: 0;
}

.login-window__loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.login-window__spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(102, 126, 234, 0.2);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: login-spin 0.8s linear infinite;
}

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

/* Error message */
.login-window__error {
  font-size: 0.875rem;
  color: #c62828;
  margin-top: 0.5rem;
  display: none;
}

.login-window__error.is-visible {
  display: block;
}

/* Change role: same position in patient and doctor */
.login-window__change-role {
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(102, 126, 234, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.login-window__change-role-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  color: #667eea;
  cursor: pointer;
  text-decoration: underline;
  font-weight: 500;
}

.login-window__change-role-btn:hover {
  color: #764ba2;
}