/* ==========================================================================
   Profile & Mentorship Booking — aligned with global redesign
   ========================================================================== */

.profile-dashboard-modern {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
  padding: 0;
}

.profile-sidebar-modern {
  position: sticky;
  top: 6rem;
}

.profile-main-modern {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.profile-card-modern {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
}

.profile-user-heading {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.profile-avatar-frame {
  position: relative;
  display: inline-block;
  margin-bottom: 0.85rem;
}

.profile-user-heading img {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-bg);
  box-shadow: var(--shadow-md);
  margin-bottom: 0;
  display: block;
}

.profile-avatar-edit-btn {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary, #0891b2);
  color: #ffffff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.22);
  border: 2px solid #ffffff;
  transition: all var(--transition-fast);
  z-index: 5;
  margin: 0;
  padding: 0;
}

.profile-avatar-edit-btn:hover {
  background: #0369a1 !important;
  transform: scale(1.1);
  color: #ffffff !important;
}

.profile-avatar-edit-btn.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

.profile-user-heading h1,
.profile-user-heading h2 {
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
  word-break: break-word;
}

.profile-user-heading p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.9rem;
  word-break: break-word;
}

.profile-nav-tabs-modern {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.profile-nav-tabs-modern li {
  margin: 0;
}

.profile-nav-tabs-modern a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  color: var(--color-text-main);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.profile-nav-tabs-modern a i {
  width: 1.25rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  transition: color var(--transition-fast);
}

.profile-nav-tabs-modern li.active a,
.profile-nav-tabs-modern a:hover {
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-primary);
}

.profile-nav-tabs-modern li.active a i,
.profile-nav-tabs-modern a:hover i {
  color: var(--color-primary);
}

.profile-section-title {
  font-size: 1.35rem;
  margin: 0 0 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.profile-section-lead {
  color: var(--color-text-muted);
  margin: -0.5rem 0 1.5rem;
  font-size: 0.98rem;
}

.bio-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.bio-item-modern p {
  margin: 0;
  color: var(--color-text-main);
  font-size: 1rem;
  word-break: break-word;
}

.bio-item-modern strong {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
  font-weight: 700;
}

.profile-timeline-modern {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 2rem;
}

.profile-timeline-modern::before {
  content: '';
  position: absolute;
  top: 0.25rem;
  bottom: 0.25rem;
  left: 0.4rem;
  width: 2px;
  background: var(--color-border);
}

.profile-timeline-item {
  position: relative;
  margin-bottom: 1.75rem;
}

.profile-timeline-item:last-child {
  margin-bottom: 0;
}

.profile-timeline-item::before {
  content: '';
  position: absolute;
  top: 0.3rem;
  left: -1.85rem;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px rgba(8, 145, 178, 0.2);
}

.profile-timeline-item h4 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.profile-timeline-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.profile-timeline-meta i {
  margin-right: 0.25rem;
}

.profile-tab-panel {
  display: none;
}

.profile-tab-panel.is-active {
  display: block;
}

/* Booking toolbar & mentor cards */
.profile-booking-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) auto;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.profile-booking-toolbar .form-control {
  min-width: 0;
}

.mentor-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.25rem;
}

.mentor-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.mentor-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.mentor-card__head {
  display: flex;
  gap: 0.9rem;
  padding: 1.15rem;
  align-items: center;
}

.mentor-card__photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-bg);
  flex-shrink: 0;
}

.mentor-card__name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--color-text-main);
  font-family: var(--font-family-heading);
}

.mentor-card__field {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
}

.mentor-card__body {
  padding: 0 1.15rem 1.15rem;
}

.mentor-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  min-height: 2.6em;
  margin-bottom: 0.75rem;
}

.mentor-card__meta {
  font-size: 0.85rem;
  color: #475569;
  margin-bottom: 1rem;
}

.mentor-card__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.booking-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.booking-pagination .btn {
  min-width: 2.5rem;
}

.availability-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  margin-bottom: 1.5rem;
}

.availability-form .row {
  align-items: flex-end;
}

.availability-form .row > [class*="col-"] {
  margin-bottom: 0.75rem;
}

.slot-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-pill);
  background: #ecfdf3;
  color: #166534;
  font-size: 0.85rem;
  margin: 0 0.5rem 0.5rem 0;
  flex-wrap: wrap;
}

.slot-badge.is-booked {
  background: #fef2f2;
  color: #991b1b;
}

.meeting-form-inline {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin-top: 0.35rem;
  min-width: 220px;
}

.meeting-form-inline .form-group {
  margin-bottom: 0.6rem;
}

.meeting-form-inline .btn {
  margin: 0.2rem 0.25rem 0.2rem 0;
}

.appointment-status {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.appointment-status.confirmed { background: #dcfce7; color: #166534; }
.appointment-status.cancelled { background: #fee2e2; color: #991b1b; }
.appointment-status.pending { background: #fef9c3; color: #854d0e; }

.google-calendar-banner {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.google-calendar-banner.is-connected {
  background: #ecfdf3;
  border-color: #bbf7d0;
}

.google-calendar-banner p {
  margin-bottom: 0.75rem;
}

.booking-empty {
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px dashed #cbd5e1;
}

/* Form widget chrome */
.input-group-modern {
  position: relative;
  display: block;
}

.input-group-modern .form-control {
  padding-right: 2.75rem;
}

.input-group-modern__icon {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: 1rem;
}

.input-group-modern .form-control:focus + .input-group-modern__icon {
  color: var(--color-primary);
}

/* Select2 theming */
.select2-container--default .select2-selection--single {
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 0.35rem 0.5rem;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: 32px;
  color: var(--color-text-main);
  padding-left: 0.45rem;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 42px;
  right: 6px;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--single {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}

.select2-dropdown {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 2200 !important;
}

.select2-container {
  z-index: 1;
}

.select2-container--open {
  z-index: 2200 !important;
}

/* Booking modal: Select2 opens on body — must sit above modal (10040) + backdrop */
body > .select2-container,
body > .select2-container--open,
body > .select2-container .select2-dropdown {
  z-index: 10150 !important;
}

.booking-slot-select-wrap {
  position: relative;
  width: 100%;
}

.booking-slot-select-wrap .select2-container {
  width: 100% !important;
  z-index: 2;
}

.booking-slot-hint {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background: var(--color-primary);
}

.select2-container--default .select2-search--dropdown .select2-search__field {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}

.meeting-form-inline .select2-container {
  margin-bottom: 0.35rem;
}

.meeting-form-inline .select2-container--default .select2-selection--single {
  height: 36px;
  padding: 0.15rem 0.35rem;
}

.meeting-form-inline .select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: 28px;
  font-size: 0.875rem;
}

.meeting-form-inline .select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 34px;
}

/* FullCalendar availability scheduling */
.availability-calendar-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.availability-legend {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.availability-legend__swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 0.25rem;
  background: var(--color-primary);
}

.availability-calendar-hint {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.availability-calendar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  min-height: 560px;
}

.availability-calendar .fc {
  font-family: var(--font-family-sans);
}

.availability-calendar .fc .fc-toolbar-title {
  font-family: var(--font-family-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.availability-calendar .fc .fc-button {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  text-transform: none;
  box-shadow: none;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.availability-calendar .fc .fc-button:hover,
.availability-calendar .fc .fc-button:focus {
  background: rgba(8, 145, 178, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.availability-calendar .fc .fc-button-primary:not(:disabled).fc-button-active,
.availability-calendar .fc .fc-button-primary:not(:disabled):active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.availability-calendar .fc .fc-timegrid-slot {
  height: 2.1rem;
}

.availability-calendar .fc .fc-timegrid-slot-label-cushion,
.availability-calendar .fc .fc-col-header-cell-cushion {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.availability-calendar .fc .fc-day-today {
  background: rgba(8, 145, 178, 0.04) !important;
}

.availability-calendar .fc .fc-highlight {
  background: rgba(8, 145, 178, 0.18) !important;
}

.availability-calendar .fc .availability-event,
.availability-calendar .fc .fc-event {
  background: var(--color-primary);
  border-color: var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.availability-calendar .fc .fc-event:hover {
  filter: brightness(0.95);
}

.availability-calendar .fc .fc-event .fc-event-main {
  padding: 0.15rem 0.35rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .availability-calendar {
    padding: 0.4rem;
    min-height: 480px;
  }

  .availability-calendar .fc .fc-toolbar {
    flex-direction: column;
    gap: 0.5rem;
  }

  .availability-calendar .fc .fc-toolbar-title {
    font-size: 1rem;
  }
}

.mentor-public-actions {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mentor-public-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.mentor-public-sidebar,
.mentor-public-main {
  min-width: 0;
}

.mentor-public-sidebar {
  position: sticky;
  top: 6rem;
}

/* Profile page section spacing */
.section-modern.profile-page-section {
  padding-top: 3.5rem;
  padding-bottom: 4rem;
  background:
    radial-gradient(circle at top right, rgba(8, 145, 178, 0.07), transparent 40%),
    var(--color-bg);
}

.section-modern.profile-page-section .section-title-modern {
  margin-bottom: 2rem;
  text-align: left;
}

.section-modern.profile-page-section .section-title-modern h2 {
  font-size: 2rem;
}

/* Responsive helper titles */
.section-modern.profile-page-section .section-title-modern p {
  margin: 0;
  max-width: none;
}

/* ==========================================================================
   Modern Mentor Availability Redesign — International Standard Aesthetics
   ========================================================================== */

.availability-header-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.availability-header-main {
  flex: 1 1 300px;
}

.availability-header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.timezone-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  background: rgba(8, 145, 178, 0.08);
  border: 1px solid rgba(8, 145, 178, 0.2);
  color: var(--color-primary);
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.availability-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #334155;
  font-size: 0.825rem;
  font-weight: 500;
  border-radius: var(--radius-pill);
}

.availability-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: var(--color-bg);
  padding: 0.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.availability-subtab-btn {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.availability-subtab-btn:hover {
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.05);
}

.availability-subtab-btn.active {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.availability-view-panel {
  display: none;
}

.availability-view-panel.is-active {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Generator Section */
.availability-generator-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.generator-mode-selector {
  display: inline-flex;
  gap: 0.5rem;
  background: var(--color-surface);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.generator-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.generator-mode-btn.active {
  background: var(--color-primary);
  color: #fff;
}

.availability-form-modern {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-section-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: -0.75rem 0 0.5rem;
}

.form-row-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-group-modern {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label-modern {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.days-checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.day-checkbox-label {
  position: relative;
  cursor: pointer;
}

.day-checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.day-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  height: 2.35rem;
  padding: 0 0.65rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-main);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  user-select: none;
}

.day-checkbox-label input[type="checkbox"]:checked + .day-chip {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 4px rgba(8, 145, 178, 0.25);
}

.form-actions-modern {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* Modern Buttons */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-modern--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-modern--primary:hover {
  background: #0e7490;
  border-color: #0e7490;
  color: #fff;
}

.btn-modern--outline {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.btn-modern--outline:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: var(--color-primary);
}

.btn-modern--danger {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}

.btn-modern--danger:hover:not(:disabled) {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #fff;
}

.btn-modern--danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-modern--danger-outline {
  background: transparent;
  border-color: #fca5a5;
  color: #dc2626;
}

.btn-modern--danger-outline:hover {
  background: #fef2f2;
  border-color: #f87171;
  color: #991b1b;
}

/* Management Toolbar & Table */
.availability-manage-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.manage-toolbar-left,
.manage-toolbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.published-slots-table-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

.published-slots-table {
  margin-bottom: 0;
}

.published-slots-table th {
  background: #f8fafc;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  border-bottom: 1px solid var(--color-border);
}

.slot-time-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background: rgba(8, 145, 178, 0.08);
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================================================
   Animated Mentee Cards Redesign
   ========================================================================== */

.mentee-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.mentee-card-modern {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-normal);
  animation: cardEntrance 0.4s ease-out forwards;
  opacity: 0;
  transform: translateY(12px);
  position: relative;
  overflow: hidden;
}

.mentee-card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mentee-card-modern:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(8, 145, 178, 0.3);
}

.mentee-card-modern:hover::before {
  opacity: 1;
}

@keyframes cardEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mentee-card-top {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mentee-avatar-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.15), rgba(99, 102, 241, 0.15));
  border: 2px solid rgba(8, 145, 178, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mentee-avatar-initials {
  font-family: var(--font-family-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.mentee-card-info {
  min-width: 0;
  flex: 1;
}

.mentee-id-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.mentee-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0.15rem 0 0.25rem;
  color: var(--color-text-main);
  font-family: var(--font-family-heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mentee-discipline-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.08);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mentee-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.75rem 0;
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.85rem;
}

.mentee-detail-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #475569;
}

.mentee-detail-row i {
  width: 1.1rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.text-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mentee-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mentee-stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #0f766e;
  background: #ccfbf1;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
}

.mentee-card-actions {
  display: flex;
  gap: 0.35rem;
}

.btn-xs {
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
}

/* ==========================================================================
   Modern Appointments Section Redesign
   ========================================================================== */

.google-calendar-banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.google-calendar-banner.is-connected {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.gcal-banner-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ea4335;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(234, 67, 53, 0.25);
}

.google-calendar-banner.is-connected .gcal-banner-icon {
  background: #16a34a;
  box-shadow: 0 4px 10px rgba(22, 163, 74, 0.25);
}

.gcal-banner-content {
  flex: 1;
}

.gcal-banner-content p {
  margin: 0;
  font-size: 0.925rem;
  color: var(--color-text-main);
}

.gcal-banner-content code {
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-primary);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.gcal-banner-action {
  flex-shrink: 0;
}

/* Appointment Cards */
.appointment-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.appointment-card-modern {
  display: flex;
  gap: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.appointment-card-modern:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(8, 145, 178, 0.3);
}

.appointment-card-modern.is-cancelled {
  opacity: 0.65;
  background: #f8fafc;
}

.appointment-card-modern.is-past {
  opacity: 0.85;
}

.appointment-card-sidebar {
  flex-shrink: 0;
}

.appt-date-box {
  width: 72px;
  padding: 0.6rem 0.4rem;
  background: rgba(8, 145, 178, 0.08);
  border: 1px solid rgba(8, 145, 178, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.appt-date-month {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.appt-date-day {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text-main);
  font-family: var(--font-family-heading);
}

.appt-date-weekday {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.appointment-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.appt-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.appt-user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.appt-user-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text-main);
  font-family: var(--font-family-heading);
}

.appt-user-email {
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

.appt-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.85rem;
  color: #475569;
}

.appt-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.appt-meta-item i {
  color: var(--color-primary);
}

.appt-notes-box {
  background: #f8fafc;
  border-left: 3px solid var(--color-primary);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #334155;
}

.appt-meeting-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.appt-join-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.no-link-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  color: #854d0e;
  background: #fef9c3;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
}

.appt-setup-details {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

.appt-setup-summary {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  user-select: none;
}

.meeting-form-modern {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.appt-setup-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.appointment-card-actions {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
}

@media (max-width: 640px) {
  .appointment-card-modern {
    flex-direction: column;
    gap: 0.85rem;
  }

  .google-calendar-banner {
    flex-direction: column;
    text-align: center;
  }

  .appt-date-box {
    width: 100%;
    flex-direction: row;
    gap: 0.5rem;
    padding: 0.4rem;
  }
}

/* ==========================================================================
   Button Contrast Safeguards — Guarantee high-contrast text on white/light hover
   ========================================================================== */

.btn-modern--outline:hover,
.btn-modern--outline:focus,
.btn-default:hover,
.btn-default:focus,
.btn-outline:hover,
.btn-outline:focus,
button.btn-default:hover,
a.btn-default:hover {
  background: #ffffff !important;
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
  box-shadow: 0 2px 8px rgba(8, 145, 178, 0.15);
}

.availability-subtab-btn:hover,
.availability-subtab-btn:focus,
.availability-subtab-btn.active {
  background: #ffffff !important;
  color: var(--color-primary) !important;
}

.generator-mode-btn:hover:not(.active),
.generator-mode-btn:focus:not(.active) {
  background: #ffffff !important;
  color: var(--color-primary) !important;
}

.btn-modern--danger-outline:hover,
.btn-modern--danger-outline:focus {
  background: #fef2f2 !important;
  border-color: #f87171 !important;
  color: #991b1b !important;
}

.js-preset-standard-hours:hover,
.js-preset-standard-hours:focus,
.js-select-all-slots:hover,
.js-select-all-slots:focus {
  background: #ffffff !important;
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
}

/* ==========================================================================
   International Standard Profile Layout CSS
   ========================================================================== */

/* Sidebar Profile Heading */
.profile-avatar-frame {
  position: relative;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.profile-avatar-frame img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.profile-active-status {
  position: absolute;
  bottom: 6px;
  right: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.profile-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.profile-user-email {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Hero Cover Banner */
.profile-hero-cover {
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.08), rgba(99, 102, 241, 0.08));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.profile-hero-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.profile-hero-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.profile-discipline-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.12);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.5rem;
}

.profile-hero-name {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
  color: var(--color-text-main);
  font-family: var(--font-family-heading);
}

.profile-hero-meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.profile-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.profile-hero-stats {
  display: flex;
  gap: 1rem;
}

.profile-stat-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  min-width: 90px;
}

.stat-number {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-family-heading);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* Detail Cards Grid */
.profile-info-block {
  margin-bottom: 2rem;
}

.profile-block-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.profile-block-title i {
  color: var(--color-primary);
}

.bio-detail-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.detail-card-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.detail-card-item:hover {
  border-color: rgba(8, 145, 178, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.detail-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(8, 145, 178, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.detail-card-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.detail-card-label {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.detail-card-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  word-break: break-word;
  overflow-wrap: break-word;
}

.profile-about-text {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #334155;
  box-shadow: var(--shadow-sm);
}

/* Timeline Cards Modernization */
.timeline-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text-main);
  font-family: var(--font-family-heading);
}

.timeline-badge-date {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

.timeline-subtext {
  font-size: 0.9rem;
  color: #475569;
  margin: 0;
}

.timeline-company-meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.timeline-company-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   Unified Mobile & Tablet Responsiveness Overhaul (< 1100px, < 768px, < 576px, < 380px)
   ========================================================================== */

/* 1. Large Mobile & Tablet Viewports (< 1100px & < 991px) */
@media (max-width: 1100px) {
  .profile-dashboard-modern,
  .mentor-public-layout {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  .profile-sidebar-modern,
  .mentor-public-sidebar {
    position: static !important;
    width: 100% !important;
  }

  .profile-main-modern {
    width: 100% !important;
    min-width: 0 !important;
  }

  .profile-user-heading {
    display: flex !important;
    align-items: center !important;
    text-align: left !important;
    gap: 1rem !important;
    padding-bottom: 1rem !important;
    margin-bottom: 1rem !important;
  }

  .profile-user-heading-info {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    min-width: 0 !important;
    flex: 1 !important;
  }

  .profile-avatar-frame,
  .profile-user-heading img {
    margin-bottom: 0 !important;
    flex-shrink: 0 !important;
  }

  .profile-nav-tabs-modern {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 0.4rem !important;
    width: 100% !important;
    background: var(--color-bg);
    padding: 0.35rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
  }

  .profile-nav-tabs-modern li {
    flex: 1 1 calc(50% - 0.4rem) !important;
    min-width: 130px !important;
  }

  .profile-nav-tabs-modern a {
    justify-content: center !important;
    text-align: center !important;
    padding: 0.65rem 0.75rem !important;
    font-size: 0.85rem !important;
    white-space: nowrap !important;
  }
}

/* 2. Target Mobile Range (< 768px - covers 745px perfectly) */
@media (max-width: 768px) {
  .section-modern.profile-page-section {
    padding: 1.5rem 0 !important;
  }

  .section-modern.profile-page-section .section-title-modern {
    margin-bottom: 1.25rem !important;
    text-align: center !important;
  }

  .section-modern.profile-page-section .section-title-modern h2 {
    font-size: 1.6rem !important;
  }

  .profile-card-modern {
    padding: 1rem !important;
    border-radius: var(--radius-lg) !important;
  }

  .profile-hero-cover {
    padding: 1rem !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: 1.25rem !important;
  }

  .profile-hero-content {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.85rem !important;
  }

  .profile-hero-info {
    width: 100% !important;
  }

  .profile-hero-name {
    font-size: 1.35rem !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  .profile-hero-meta {
    flex-direction: column !important;
    gap: 0.35rem !important;
  }

  .profile-hero-stats {
    width: 100% !important;
    display: flex !important;
    gap: 0.75rem !important;
  }

  .profile-stat-box {
    flex: 1 1 50% !important;
    min-width: 0 !important;
    padding: 0.5rem 0.75rem !important;
  }

  .bio-detail-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  .detail-card-item {
    grid-column: span 1 !important;
    width: 100% !important;
    padding: 0.85rem !important;
  }

  .detail-card-value {
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
  }

  .mentee-card-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .mentee-card-modern {
    width: 100% !important;
  }

  .availability-header-wrapper {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
  }

  .availability-subtabs {
    flex-direction: column !important;
    gap: 0.35rem !important;
    width: 100% !important;
  }

  .availability-subtab-btn {
    width: 100% !important;
    justify-content: center !important;
  }

  .generator-mode-selector {
    flex-direction: column !important;
    width: 100% !important;
  }

  .generator-mode-btn {
    width: 100% !important;
    justify-content: center !important;
  }

  .days-checkbox-grid {
    gap: 0.35rem !important;
  }

  .day-chip {
    min-width: 2.3rem !important;
    height: 2.3rem !important;
    padding: 0 0.4rem !important;
    font-size: 0.8rem !important;
  }

  .form-row-grid {
    grid-template-columns: 1fr !important;
  }

  .published-slots-toolbar {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
  }

  .appointment-card-list {
    gap: 1rem !important;
  }

  .appointment-card-modern {
    flex-direction: column !important;
    gap: 0.85rem !important;
    padding: 1rem !important;
    width: 100% !important;
  }

  .appt-date-box {
    width: 100% !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
    height: auto !important;
    padding: 0.5rem 0.85rem !important;
  }

  .appt-header-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.5rem !important;
  }

  .appt-setup-actions {
    flex-direction: column !important;
    width: 100% !important;
  }

  .appt-setup-actions .btn-modern {
    width: 100% !important;
    justify-content: center !important;
  }

  .google-calendar-banner {
    flex-direction: column !important;
    text-align: center !important;
    padding: 1rem !important;
  }

  .gcal-banner-action {
    width: 100% !important;
  }

  .gcal-banner-action .btn-modern {
    width: 100% !important;
    justify-content: center !important;
  }

  /* FullCalendar Responsive Fix */
  .fc .fc-toolbar {
    flex-direction: column !important;
    gap: 0.75rem !important;
    align-items: center !important;
  }

  .fc .fc-toolbar-title {
    font-size: 1.1rem !important;
  }
}

/* 3. Small Mobile Viewports (< 480px) */
@media (max-width: 480px) {
  .profile-nav-tabs-modern li {
    flex: 1 1 100% !important; /* 1 full-width tab button per row on phone screens */
  }

  .profile-user-heading {
    flex-direction: column !important;
    text-align: center !important;
  }

  .profile-user-heading-info {
    align-items: center !important;
  }

  .profile-avatar-frame img,
  .profile-user-heading img {
    width: 80px !important;
    height: 80px !important;
    margin-bottom: 0.5rem !important;
  }
}

/* ==========================================================================
   Animated Toast Notifications & Modern Confirmation Pop-Ups CSS
   ========================================================================== */

/* Toast Container */
.scietech-toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
  max-width: 420px;
  width: calc(100vw - 3rem);
}

.scietech-toast {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  pointer-events: auto;
  overflow: hidden;
  animation: toastEntrance 0.35s cubic-bezier(0.21, 1.02, 0.73, 1) forwards;
  transform-origin: top right;
}

.scietech-toast.is-hiding {
  animation: toastExit 0.3s ease-in forwards;
}

.scietech-toast__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.scietech-toast--success { border-left: 4px solid #22c55e; }
.scietech-toast--success .scietech-toast__icon { background: #dcfce7; color: #15803d; }

.scietech-toast--error { border-left: 4px solid #f43f5e; }
.scietech-toast--error .scietech-toast__icon { background: #ffe4e6; color: #be123c; }

.scietech-toast--warning { border-left: 4px solid #f59e0b; }
.scietech-toast--warning .scietech-toast__icon { background: #fef3c7; color: #b45309; }

.scietech-toast--info { border-left: 4px solid var(--color-primary); }
.scietech-toast--info .scietech-toast__icon { background: rgba(8, 145, 178, 0.12); color: var(--color-primary); }

.scietech-toast__content {
  flex: 1;
  min-width: 0;
}

.scietech-toast__message {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.4;
}

.scietech-toast__close {
  background: transparent;
  border: none;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.2rem;
  transition: color var(--transition-fast);
}

.scietech-toast__close:hover {
  color: var(--color-text-main);
}

.scietech-toast__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: rgba(0, 0, 0, 0.15);
  animation: progressShrink linear forwards;
}

.scietech-toast--success .scietech-toast__progress { background: #22c55e; }
.scietech-toast--error .scietech-toast__progress { background: #f43f5e; }
.scietech-toast--warning .scietech-toast__progress { background: #f59e0b; }
.scietech-toast--info .scietech-toast__progress { background: var(--color-primary); }

@keyframes toastEntrance {
  from { opacity: 0; transform: translateY(-12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastExit {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-12px) scale(0.92); }
}

@keyframes progressShrink {
  from { width: 100%; }
  to { width: 0%; }
}

/* ==========================================================================
   World-Class Modal & Dialog Engine — Uniform Centering Across All Screen Sizes
   ========================================================================== */

/* Backdrop overlay with modern blur */
.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.7) !important;
  backdrop-filter: blur(6px) !important;
  -webkit-backdrop-filter: blur(6px) !important;
}

/* Confirm Modal Container & Centering */
.scietech-confirm-modal.modal {
  z-index: 10050 !important;
  text-align: center !important;
  padding: 1rem !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
}

.scietech-confirm-modal.modal.in,
.scietech-confirm-modal.modal.show {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.scietech-confirm-modal .modal-dialog {
  margin: auto !important;
  max-width: 420px !important;
  width: calc(100% - 1.5rem) !important;
  position: relative !important;
  top: auto !important;
  left: auto !important;
  transform: none !important;
  float: none !important;
}

.scietech-confirm-modal .modal-content {
  background: #ffffff !important;
  border-radius: 20px !important;
  border: 1px solid rgba(226, 232, 240, 0.9) !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.05) !important;
  overflow: visible !important;
  padding: 0 !important;
  text-align: center !important;
  width: 100% !important;
  max-width: 420px !important;
  box-sizing: border-box !important;
}

.scietech-confirm-modal .scietech-confirm-body {
  padding: 1.75rem 1.25rem 1rem !important;
  text-align: center !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
}

.scietech-confirm-modal .scietech-confirm-icon-wrap {
  width: 60px !important;
  height: 60px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.65rem !important;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-top: 0 !important;
  margin-bottom: 1rem !important;
  flex-shrink: 0 !important;
  float: none !important;
  position: static !important;
}

.scietech-confirm-icon-wrap--danger {
  background: #ffe4e6 !important;
  color: #be123c !important;
  box-shadow: 0 0 0 8px rgba(244, 63, 94, 0.12) !important;
}

.scietech-confirm-icon-wrap--warning {
  background: #fef3c7 !important;
  color: #b45309 !important;
  box-shadow: 0 0 0 8px rgba(245, 158, 11, 0.12) !important;
}

.scietech-confirm-icon-wrap--primary {
  background: rgba(8, 145, 178, 0.12) !important;
  color: var(--color-primary, #0891b2) !important;
  box-shadow: 0 0 0 8px rgba(8, 145, 178, 0.12) !important;
}

.scietech-confirm-modal .scietech-confirm-title {
  font-size: 1.25rem !important;
  font-weight: 800 !important;
  color: var(--color-text-main, #0f172a) !important;
  margin: 0 0 0.5rem 0 !important;
  font-family: var(--font-family-heading) !important;
  text-align: center !important;
  width: 100% !important;
  line-height: 1.3 !important;
  float: none !important;
}

.scietech-confirm-modal .scietech-confirm-desc {
  font-size: 0.9rem !important;
  color: var(--color-text-muted, #64748b) !important;
  margin: 0 !important;
  line-height: 1.5 !important;
  text-align: center !important;
  width: 100% !important;
  float: none !important;
}

.scietech-confirm-modal .scietech-confirm-footer {
  display: flex !important;
  gap: 0.65rem !important;
  padding: 1rem 1.25rem 1.35rem !important;
  justify-content: center !important;
  align-items: center !important;
  background: #ffffff !important;
  border-top: none !important;
  width: 100% !important;
  float: none !important;
}

.scietech-confirm-modal .scietech-confirm-footer .btn-modern {
  float: none !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin: 0 !important;
  flex: 1 1 50% !important;
  max-width: none !important;
  min-width: 0 !important;
  padding: 0.65rem 0.85rem !important;
  font-size: 0.875rem !important;
  font-weight: 700 !important;
  border-radius: var(--radius-lg, 12px) !important;
}

.btn-modern--danger {
  background-color: #ef4444 !important;
  color: #ffffff !important;
  border: 1px solid #ef4444 !important;
}

.btn-modern--danger:hover,
.btn-modern--danger:focus {
  background-color: #dc2626 !important;
  border-color: #dc2626 !important;
  color: #ffffff !important;
}

/* ==========================================================================
   Modern Mentee Booking Modal Engine Styling
   ========================================================================== */

.booking-modal-modern.modal {
  z-index: 10040 !important;
}

.booking-modal-modern.modal.in,
.booking-modal-modern.modal.show {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 1rem !important;
}

.booking-modal-modern .modal-dialog {
  max-width: 520px !important;
  width: calc(100% - 1.5rem) !important;
  margin: auto !important;
  position: relative !important;
  top: auto !important;
  left: auto !important;
  transform: none !important;
}

.booking-modal-modern .modal-content {
  background: #ffffff !important;
  border-radius: 20px !important;
  border: 1px solid rgba(226, 232, 240, 0.9) !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(0, 0, 0, 0.05) !important;
  overflow: hidden !important;
  padding: 0 !important;
}

.modal-header-modern {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 1.5rem 1.75rem 1.25rem !important;
  border-bottom: 1px solid var(--color-border, #e2e8f0) !important;
  background: #f8fafc !important;
}

.booking-modal-title-wrap {
  display: flex !important;
  align-items: center !important;
  gap: 0.85rem !important;
}

.booking-modal-icon {
  width: 44px !important;
  height: 44px !important;
  border-radius: 12px !important;
  background: rgba(8, 145, 178, 0.12) !important;
  color: var(--color-primary, #0891b2) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.25rem !important;
  flex-shrink: 0 !important;
}

.modal-header-modern .modal-title {
  font-size: 1.2rem !important;
  font-weight: 800 !important;
  color: var(--color-text-main, #0f172a) !important;
  margin: 0 !important;
  line-height: 1.3 !important;
  font-family: var(--font-family-heading) !important;
}

.modal-subtitle {
  font-size: 0.875rem !important;
  color: var(--color-text-muted, #64748b) !important;
  margin: 0.2rem 0 0 0 !important;
}

.mentor-name-highlight {
  color: var(--color-primary, #0891b2) !important;
}

.booking-modal-close {
  background: transparent !important;
  border: none !important;
  font-size: 1.6rem !important;
  line-height: 1 !important;
  color: #94a3b8 !important;
  cursor: pointer !important;
  padding: 0.25rem !important;
  transition: color 0.2s ease !important;
}

.booking-modal-close:hover {
  color: #0f172a !important;
}

.modal-body-modern {
  padding: 1.5rem 1.75rem !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 1.25rem !important;
}

.form-group-modern {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.4rem !important;
}

.form-label-modern {
  font-size: 0.875rem !important;
  font-weight: 700 !important;
  color: var(--color-text-main, #0f172a) !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.4rem !important;
}

.form-label-modern i {
  color: var(--color-primary, #0891b2) !important;
}

.required-star {
  color: #ef4444 !important;
}

.booking-slot-hint {
  font-size: 0.825rem !important;
  color: var(--color-text-muted, #64748b) !important;
  margin: 0.25rem 0 0 0 !important;
  line-height: 1.4 !important;
}

.modal-footer-modern {
  display: flex !important;
  gap: 0.75rem !important;
  padding: 1.15rem 1.75rem 1.5rem !important;
  justify-content: flex-end !important;
  align-items: center !important;
  background: #f8fafc !important;
  border-top: 1px solid var(--color-border, #e2e8f0) !important;
}

.modal-footer-modern .btn-modern {
  min-width: 120px !important;
  justify-content: center !important;
  padding: 0.65rem 1.15rem !important;
  font-size: 0.875rem !important;
  font-weight: 700 !important;
}

@media (max-width: 576px) {
  .scietech-toast-container {
    top: 1rem;
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
    max-width: none;
  }

  .modal-header-modern {
    padding: 1.25rem 1.15rem 1rem !important;
  }

  .modal-body-modern {
    padding: 1.25rem 1.15rem !important;
    gap: 1rem !important;
  }

  .modal-footer-modern {
    padding: 1rem 1.15rem 1.25rem !important;
    gap: 0.5rem !important;
  }

  .modal-footer-modern .btn-modern {
    flex: 1 !important;
    min-width: 0 !important;
  }
}