/* ==========================================================================
   EduNaukri Auth — Login pages (Faculty + IT domains)
   Pixel-aligned with ref_code/code.html and ref_code/DESIGN.md
   ========================================================================== */

:root {
  --ed-auth-primary: #4f46e5;
  --ed-auth-primary-hover: #3730a3;
  --ed-auth-text: #1e293b;
  --ed-auth-text-muted: #64748b;
  --ed-auth-border: #e2e8f0;
  --ed-auth-heading: #111827;
  --ed-auth-label: #334155;
  --ed-auth-segment-bg: #f1f5f9;
  --ed-auth-divider: #cbd5e1;
  --ed-auth-divider-line: #f1f5f9;
  --ed-auth-social-hover: #f8fafc;
  --ed-auth-social-border-hover: #cbd5e1;
  --ed-auth-focus-ring: rgba(79, 70, 229, 0.1);
  --ed-auth-shape-1: #dad7ff;
  --ed-auth-shape-2: #eaddff;
  --ed-auth-transition: 0.2s ease;
}

/* Page shell */
.ed-auth-page {
  font-family: "Plus Jakarta Sans", sans-serif;
  background: radial-gradient(circle at top right, #fcf8ff 0%, #f0ecf9 100%);
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  color: var(--ed-auth-text);
  overflow-x: hidden;
  overflow-y: auto;
}

.ed-auth-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.ed-auth-bg__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.ed-auth-bg__shape--1 {
  width: 400px;
  height: 400px;
  background: var(--ed-auth-shape-1);
  top: -100px;
  right: -100px;
}

.ed-auth-bg__shape--2 {
  width: 300px;
  height: 300px;
  background: var(--ed-auth-shape-2);
  bottom: -50px;
  left: -50px;
}

.ed-auth-back {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ed-auth-text-muted);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 10px;
  transition: color var(--ed-auth-transition), background var(--ed-auth-transition),
    border-color var(--ed-auth-transition);
}

.ed-auth-back:hover {
  color: var(--ed-auth-primary);
  background: #ffffff;
  border-color: var(--ed-auth-border);
}

.ed-auth-back:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
}

/* Centered layout */
.ed-auth-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  min-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

/* Card — ~12% more compact than original */
.ed-auth-card {
  width: 460px;
  max-width: 90vw;
  margin: auto;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.05);
  padding: 20px;
  border: none;
}

.ed-auth-card__header {
  margin-bottom: 0;
}

.ed-auth-card__logo {
  height: 120px;
  width: auto;
  margin-bottom: 10px;
}

.ed-auth-card__brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--ed-auth-primary);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.ed-auth-card__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ed-auth-heading);
  margin-bottom: 6px;
  line-height: 1.3;
}

.ed-auth-card__subtitle {
  font-size: 14px;
  color: var(--ed-auth-text-muted);
  margin-bottom: 18px;
}

/* Segmented control */
.ed-auth-segmented {
  background: var(--ed-auth-segment-bg);
  padding: 4px;
  border-radius: 12px;
  display: flex;
  margin-bottom: 12px;
  position: relative;
}

.ed-auth-segmented__btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ed-auth-text-muted);
  border-radius: 8px;
  transition: all var(--ed-auth-transition);
  cursor: pointer;
  z-index: 1;
  text-decoration: none;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ed-auth-segmented__btn.is-active {
  background: #ffffff;
  color: var(--ed-auth-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.ed-auth-segmented__btn:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
}

/* Form */
.ed-auth-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ed-auth-label);
  margin-bottom: 6px;
  display: block;
}

.ed-auth-input {
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--ed-auth-border);
  padding: 0 16px;
  font-size: 14px;
  transition: border-color var(--ed-auth-transition), box-shadow var(--ed-auth-transition);
}

.ed-auth-input:focus {
  border-color: var(--ed-auth-primary);
  box-shadow: 0 0 0 4px var(--ed-auth-focus-ring);
  outline: none;
}

.ed-auth-input.is-invalid {
  border-color: #dc2626;
}

.ed-auth-input.is-invalid:focus {
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

.ed-auth-field-error {
  min-height: 0;
  font-size: 12px;
  color: #dc2626;
  margin-top: 4px;
  line-height: 1.3;
  display: none;
}

.ed-auth-field-error.is-visible {
  display: block;
}

.ed-auth-form-error {
  font-size: 13px;
  color: #dc2626;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.ed-auth-password {
  position: relative;
}

.ed-auth-password .ed-auth-input {
  padding-right: 44px;
}

/* Suppress Bootstrap invalid icon — eye toggle sits on the right */
.ed-auth-password .ed-auth-input.is-invalid {
  background-image: none;
  padding-right: 44px;
}

.ed-auth-password__toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--ed-auth-text-muted);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  font-size: 1.15rem;
  line-height: 1;
  z-index: 2;
}

.ed-auth-password__toggle:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.ed-auth-link {
  font-size: 13px;
  color: var(--ed-auth-primary);
  text-decoration: none;
  font-weight: 600;
}

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

.ed-auth-check-label {
  font-size: 13px;
  color: var(--ed-auth-text-muted);
  font-weight: 500;
}

.ed-auth-remember .form-check-input:checked {
  background-color: var(--ed-auth-primary);
  border-color: var(--ed-auth-primary);
}

.ed-auth-remember .form-check-input:focus {
  box-shadow: 0 0 0 4px var(--ed-auth-focus-ring);
}

.ed-auth-remember {
  margin-bottom: 0.85rem !important;
}

/* Primary button */
.ed-auth-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ed-auth-btn.is-loading {
  pointer-events: none;
}

.ed-auth-btn__spinner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  order: -1;
}

.ed-auth-btn__spinner .spinner-border {
  color: currentColor;
}

.ed-auth-btn--primary .ed-auth-btn__spinner .spinner-border {
  color: #ffffff;
}
.ed-auth-btn--primary {
  background-color: var(--ed-auth-primary);
  border: none;
  height: 44px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  color: #ffffff;
  transition: background-color var(--ed-auth-transition), transform 0.1s ease;
}

.ed-auth-btn--primary:hover {
  background-color: var(--ed-auth-primary-hover);
  color: #ffffff;
}

.ed-auth-btn--primary:active {
  transform: scale(0.98);
}

.ed-auth-btn--primary:focus-visible {
  box-shadow: 0 0 0 4px var(--ed-auth-focus-ring);
}

/* Divider — OR separator */
.ed-auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 32px 0 24px;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ed-auth-divider::before,
.ed-auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #E6EAF2;
  border: none;
}

.ed-auth-divider::before {
  margin-right: 16px;
}

.ed-auth-divider::after {
  margin-left: 16px;
}

/* Social buttons — premium stacked design */
.ed-auth-btn--social {
  width: 100%;
  height: 56px;
  border-radius: 14px;
  border: 1px solid #E6EAF2;
  background: #FFFFFF;
  color: #374151;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 20px;
  margin-bottom: 12px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  transition: all 250ms ease;
}

.ed-auth-btn--social:last-of-type {
  margin-bottom: 0;
}

.ed-auth-btn--social:hover {
  background-color: #FAFAFF;
  border-color: var(--ed-auth-primary);
  color: #374151;
  box-shadow: 0 12px 28px rgba(89, 68, 255, 0.14);
  transform: translateY(-2px);
}

.ed-auth-btn--social:active {
  transform: scale(0.98);
  transition: all 150ms ease;
}

.ed-auth-btn--social:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
  box-shadow: 0 12px 28px rgba(89, 68, 255, 0.14);
}

.ed-auth-btn__icon {
  font-size: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ed-auth-btn__icon--google {
  color: #ea4335;
}

.ed-auth-btn__icon--linkedin {
  color: #0a66c2;
}

/* Social button SVG icons */
.ed-auth-btn__svg-icon {
  flex-shrink: 0;
  display: block;
}

/* Footer link */
.ed-auth-footer {
  text-align: center;
  margin-top: 28px;
  font-size: 14px;
  color: var(--ed-auth-text-muted);
  margin-bottom: 0;
}

.ed-auth-footer a {
  color: var(--ed-auth-primary);
  text-decoration: none;
  font-weight: 700;
}

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

/* Signup layout — wider card, compact height, viewport-centered */
.ed-auth-page:has(.ed-auth-wrap--signup) {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 20px;
  box-sizing: border-box;
}

.ed-auth-wrap--signup {
  width: 100%;
  max-width: 520px;
  min-height: auto;
  margin: 0 auto;
  padding: 40px 0;
  flex: 0 0 auto;
  align-self: center;
}

.ed-auth-card--signup {
  width: 100%;
  padding: 14px 24px 16px;
  overflow: visible;
}

.ed-auth-card--signup .ed-auth-card__title {
  font-size: 20px;
  margin-bottom: 4px;
}

.ed-auth-card__header--compact {
  margin-bottom: 0;
}

.ed-auth-card__logo--signup {
  height: 80px;
  margin-bottom: 4px;
}

.ed-auth-card__subtitle--compact {
  margin-bottom: 8px;
  font-size: 13px;
}

.ed-auth-form--compact .ed-auth-segmented {
  margin-bottom: 8px;
}

.ed-auth-form--compact .ed-auth-segmented__btn {
  padding: 8px;
  font-size: 13px;
}

.ed-auth-card--signup .ed-auth-label {
  margin-bottom: 4px;
  font-size: 12px;
}

.ed-auth-card--signup .ed-auth-input {
  height: 40px;
  font-size: 13px;
  padding: 0 14px;
}

.ed-auth-card--signup .ed-auth-form-error,
.ed-auth-card--signup .ed-auth-form-success {
  padding: 0.4rem 0.65rem;
  margin-bottom: 0.5rem;
  font-size: 12px;
}

.ed-auth-card--signup .ed-auth-btn--primary {
  height: 40px;
  font-size: 13px;
  margin-top: 2px;
}

.ed-auth-field {
  margin-bottom: 0.35rem;
}

.ed-auth-field--last {
  margin-bottom: 0.5rem;
}

.ed-auth-footer--compact {
  margin-top: 12px;
}

.ed-auth-strength--compact {
  margin-top: 4px;
}

.ed-auth-strength--compact .ed-auth-strength__bar {
  margin-bottom: 3px;
  height: 3px;
}

.ed-auth-strength--compact .ed-auth-strength__reqs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 12px;
}

.ed-auth-strength--compact .ed-auth-strength__reqs li {
  font-size: 10px;
  padding-left: 11px;
}

.ed-auth-social-section {
  width: 100%;
  margin-top: 0;
  padding-bottom: 4px;
}

.ed-auth-divider--social {
  margin: 0 0 24px;
}

.ed-auth-social-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.ed-auth-btn--social-compact {
  flex: none;
  width: 100%;
  height: 56px;
  margin-bottom: 0;
  font-size: 16px;
  padding: 0 20px;
}

.ed-auth-btn--social-compact .ed-auth-btn__icon {
  font-size: 22px;
}

.ed-auth-btn--social-compact .ed-auth-btn__svg-icon {
  width: 24px;
  height: 24px;
}

.ed-auth-btn--social-compact .ed-auth-btn__svg-icon--linkedin {
  width: 22px;
  height: 22px;
}

.ed-auth-btn__provider-text {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 767.98px) {
  .ed-auth-btn--social {
    height: 56px;
  }

  .ed-auth-btn--social-compact {
    height: 56px;
  }

  .ed-auth-btn--social-compact .ed-auth-btn__svg-icon {
    width: 24px;
    height: 24px;
  }

  .ed-auth-btn--social-compact .ed-auth-btn__svg-icon--linkedin {
    width: 22px;
    height: 22px;
  }
}

.ed-auth-role-panel {
  animation: ed-auth-fade-in 0.2s ease;
}

@keyframes ed-auth-fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .ed-auth-page:has(.ed-auth-wrap--signup) {
    padding: 16px 24px;
    align-items: flex-start;
  }

  .ed-auth-wrap--signup {
    max-height: none;
    margin-top: 20px;
    margin-bottom: 20px;
  }

  .ed-auth-card--signup {
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 767.98px) {
  .ed-auth-page:has(.ed-auth-wrap--signup) {
    height: auto;
    min-height: 100dvh;
    padding: 20px 16px 28px;
    align-items: flex-start;
  }

  .ed-auth-wrap--signup {
    max-width: 100%;
    padding: 20px 0;
  }

  .ed-auth-card--signup {
    max-height: none;
    overflow: visible;
    padding: 16px 18px;
  }

  .ed-auth-social-stack {
    gap: 12px;
  }

  .ed-auth-btn--social-compact {
    width: 100%;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .ed-auth-social-stack {
    gap: 12px;
  }
}

.ed-auth-divider--compact {
  margin: 12px 0;
}

.ed-auth-hint {
  font-size: 12px;
  color: var(--ed-auth-text-muted);
  margin-top: 4px;
  margin-bottom: 0;
}

.ed-auth-optional {
  font-weight: 500;
  color: var(--ed-auth-text-muted);
}

.ed-auth-file {
  border-radius: 10px;
  border: 1px dashed var(--ed-auth-border);
  padding: 10px 12px;
  font-size: 13px;
  background: #f8fafc;
}

.ed-auth-file:focus {
  border-color: var(--ed-auth-primary);
  box-shadow: 0 0 0 4px var(--ed-auth-focus-ring);
  outline: none;
}

.ed-auth-form-success {
  font-size: 13px;
  color: #166534;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.ed-auth-strength {
  margin-top: 8px;
}

.ed-auth-strength__bar {
  height: 4px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
  margin-bottom: 8px;
}

.ed-auth-strength__fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  transition: width var(--ed-auth-transition), background-color var(--ed-auth-transition);
  background: #dc2626;
}

.ed-auth-strength__fill--weak {
  background: #dc2626;
}

.ed-auth-strength__fill--fair {
  background: #f59e0b;
}

.ed-auth-strength__fill--good {
  background: #3b82f6;
}

.ed-auth-strength__fill--strong {
  background: #16a34a;
}

.ed-auth-strength__reqs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 12px;
}

.ed-auth-strength__reqs li {
  font-size: 11px;
  color: var(--ed-auth-text-muted);
  position: relative;
  padding-left: 14px;
}

.ed-auth-strength__reqs li::before {
  content: "○";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 10px;
  line-height: 1.4;
}

.ed-auth-strength__reqs li.is-met {
  color: #166534;
}

.ed-auth-strength__reqs li.is-met::before {
  content: "●";
  color: #16a34a;
}

@media (max-width: 575.98px) {
  .ed-auth-strength__reqs {
    grid-template-columns: 1fr;
  }

  .ed-auth-back {
    top: 12px;
    left: 12px;
    padding: 6px 10px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ed-auth-segmented__btn,
  .ed-auth-input,
  .ed-auth-btn--primary,
  .ed-auth-btn--social {
    transition: none;
    transform: none;
  }
}

/* ==========================================================================
   Cross-domain OAuth linked account modal
   ========================================================================== */

.ed-auth-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  animation: ed-auth-modal-fade-in 0.2s ease;
  padding: 20px;
}

.ed-auth-modal {
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  max-width: 440px;
  width: 100%;
  padding: 0;
  animation: ed-auth-modal-slide-up 0.25s ease;
  overflow: hidden;
}

.ed-auth-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.ed-auth-modal__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ed-auth-heading);
  margin: 0;
  line-height: 1.3;
}

.ed-auth-modal__close {
  background: none;
  border: none;
  color: var(--ed-auth-text-muted);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  padding: 4px;
  border-radius: 8px;
  transition: background-color var(--ed-auth-transition), color var(--ed-auth-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.ed-auth-modal__close:hover {
  background: var(--ed-auth-segment-bg);
  color: var(--ed-auth-text);
}

.ed-auth-modal__close:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
}

.ed-auth-modal__body {
  padding: 16px 24px 0;
}

.ed-auth-modal__body p {
  font-size: 14px;
  color: var(--ed-auth-text);
  line-height: 1.5;
  margin: 0 0 12px;
}

.ed-auth-modal__linked-with {
  background: var(--ed-auth-segment-bg);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 12px 0;
  text-align: center;
}

.ed-auth-modal__linked-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ed-auth-text-muted);
  margin-bottom: 6px;
}

.ed-auth-modal__linked-name {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--ed-auth-primary);
  letter-spacing: -0.01em;
}

.ed-auth-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 24px 24px;
}

.ed-auth-modal__actions .ed-auth-btn {
  width: 100%;
  height: 40px;
  font-size: 13px;
  border-radius: 10px;
  margin: 0;
}

.ed-auth-btn--outline {
  background: #ffffff;
  border: 1px solid var(--ed-auth-border);
  color: var(--ed-auth-label);
  font-weight: 600;
  transition: background-color var(--ed-auth-transition), border-color var(--ed-auth-transition);
}

.ed-auth-btn--outline:hover {
  background: var(--ed-auth-social-hover);
  border-color: var(--ed-auth-social-border-hover);
  color: var(--ed-auth-label);
}

.ed-auth-btn--outline:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
}

.ed-auth-btn--ghost {
  background: transparent;
  border: none;
  color: var(--ed-auth-text-muted);
  font-weight: 600;
  transition: color var(--ed-auth-transition);
}

.ed-auth-btn--ghost:hover {
  color: var(--ed-auth-text);
}

.ed-auth-btn--ghost:focus-visible {
  outline: 2px solid var(--ed-auth-primary);
  outline-offset: 2px;
}

.ed-auth-modal__icon-wrapper {
  display: flex;
  justify-content: center;
  padding: 8px 0 0;
}

.ed-auth-modal__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fef2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #dc2626;
  font-size: 24px;
}

@keyframes ed-auth-modal-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes ed-auth-modal-slide-up {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 575.98px) {
  .ed-auth-modal {
    border-radius: 16px;
  }

  .ed-auth-modal__header {
    padding: 16px 16px 0;
  }

  .ed-auth-modal__title {
    font-size: 16px;
  }

  .ed-auth-modal__body {
    padding: 12px 16px 0;
  }

  .ed-auth-modal__actions {
    padding: 12px 16px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ed-auth-modal-overlay,
  .ed-auth-modal {
    animation: none;
  }
}