/* ============================================================================
   KLIO.IM - CENTRO DE NOTIFICACIONES Y TOPBAR BELL
   Diseño profesional, consistente con AGENTS.md y tema Klio.IM
   ============================================================================ */

/* ----------------------------------------------------------------------------
   1. TOPBAR NOTIFICATION BELL
   ---------------------------------------------------------------------------- */
.topbar-notif-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: 4px;
}

.topbar-notif-trigger {
  position: relative;
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-bottom-color: var(--line-strong);
  background: var(--3d-btn-bg, linear-gradient(180deg, #ffffff 0%, #f7fbfa 100%));
  color: var(--muted);
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: all .16s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: var(--3d-btn-shadow, var(--shadow-sm));
}

.topbar-notif-trigger:hover,
.topbar-notif-trigger:focus-visible,
.topbar-notif-trigger[aria-expanded="true"] {
  background: var(--3d-btn-hover-bg, linear-gradient(180deg, #ffffff 0%, var(--tint) 100%));
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--line));
  box-shadow: var(--3d-btn-hover-shadow, 0 2px 6px rgba(18, 56, 53, 0.08));
  transform: translateY(-0.5px);
}

.topbar-notif-trigger:active {
  transform: translateY(1px);
  box-shadow: var(--3d-btn-active-shadow);
}

.topbar-notif-trigger .icon {
  width: 18px;
  height: 18px;
  transition: transform .2s ease;
}

.topbar-notif-trigger:hover .icon {
  transform: rotate(8deg);
}

.topbar-notif-trigger.has-unread {
  color: var(--primary);
}

.topbar-notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 30%, #ff6b6b 0%, var(--danger, #e02424) 65%, #991b1b 100%);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  border: 2px solid #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 2px 6px rgba(224, 36, 36, 0.45);
  pointer-events: none;
  animation: notifPulse 2.4s infinite;
}

@keyframes notifPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* ----------------------------------------------------------------------------
   2. TOPBAR POPOVER DROPDOWN
   ---------------------------------------------------------------------------- */
.topbar-notif-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 410px;
  max-width: calc(100vw - 28px);
  max-height: 560px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 20px 48px -8px rgba(18, 56, 53, 0.18), 0 4px 14px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: notifDropIn .18s cubic-bezier(.16, 1, .3, 1);
}

.topbar-notif-popover.is-open {
  display: flex;
}

@keyframes notifDropIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.topbar-notif-popover-header {
  padding: 14px 16px 12px;
  background: linear-gradient(180deg, #ffffff 0%, var(--tint-subtle) 100%);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar-notif-popover-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.topbar-notif-popover-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--tint);
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
}

.topbar-notif-popover-badge.is-unread {
  background: var(--danger-tint, #fef2f2);
  color: var(--danger, #b91c1c);
  border-color: color-mix(in srgb, var(--danger) 25%, transparent);
}

.notif-quick-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.notif-link-btn {
  background: none;
  border: 0;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  border-radius: var(--radius-sm, 6px);
  transition: all .14s ease;
}

.notif-link-btn:hover {
  background: var(--tint);
  color: var(--primary-dark);
}

.notif-popover-filters {
  display: flex;
  padding: 8px 14px;
  gap: 6px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.notif-popover-filter-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all .14s ease;
}

.notif-popover-filter-btn:hover {
  background: var(--tint-subtle);
  color: var(--ink);
}

.notif-popover-filter-btn.active {
  background: var(--tint);
  border-color: color-mix(in srgb, var(--primary) 25%, var(--line));
  color: var(--primary);
  font-weight: 700;
}

.topbar-notif-popover-body {
  flex: 1;
  overflow-y: auto;
  max-height: 380px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.notif-popover-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .14s ease;
  position: relative;
}

.notif-popover-item:hover {
  background: var(--tint-subtle);
  border-color: var(--line);
}

.notif-popover-item.is-unread {
  background: color-mix(in srgb, var(--tint) 45%, #ffffff);
  border-color: color-mix(in srgb, var(--primary) 15%, var(--line));
}

.notif-popover-item.is-unread::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.notif-item-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.notif-item-icon-box.type-clinic_invite {
  background: color-mix(in srgb, var(--primary) 14%, #ffffff);
  color: var(--primary);
}

.notif-item-icon-box.type-clinic_accepted,
.notif-item-icon-box.type-friend_accepted {
  background: var(--success-tint, #ecfdf5);
  color: var(--success-dark, #047857);
}

.notif-item-icon-box.type-referral_registered {
  background: #eff6ff;
  color: #2563eb;
}

.notif-item-icon-box.type-system {
  background: var(--tint);
  color: var(--primary);
}

.notif-item-icon-box.type-security {
  background: #fffbeb;
  color: #b45309;
}

.notif-item-icon-box svg {
  width: 16px;
  height: 16px;
}

.notif-item-content {
  flex: 1;
  min-width: 0;
}

.notif-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.notif-item-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.notif-item-time {
  font-size: 10.5px;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.notif-item-msg {
  font-size: 11.5px;
  color: color-mix(in srgb, var(--ink) 78%, var(--muted));
  line-height: 1.45;
  margin: 0;
  word-break: break-word;
}

.notif-item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.notif-btn-sm {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
}

.notif-popover-footer {
  padding: 10px 14px;
  background: #fafafa;
  border-top: 1px solid var(--line);
  text-align: center;
}

.notif-popover-footer button {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: all .14s ease;
}

.notif-popover-footer button:hover {
  background: var(--tint);
  color: var(--primary-dark);
}

.notif-popover-empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--muted);
}

.notif-popover-empty .empty-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--tint-subtle);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.notif-popover-empty h4 {
  margin: 0 0 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}

.notif-popover-empty p {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.4;
}

/* ----------------------------------------------------------------------------
   3. SECCIÓN COMPLETA DE NOTIFICACIONES (CONFIGURACIÓN -> NOTIFICACIONES)
   Layout elástico vertical anclado al viewport
   ---------------------------------------------------------------------------- */
.notifications-workspace {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.notifications-intro {
  margin-bottom: 0;
  flex-shrink: 0;
}

.notifications-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  flex-shrink: 0;
}

.notif-stat-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg, 12px);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}

.notif-stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--primary) 25%, var(--line));
}

.notif-stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notif-stat-icon.unread {
  background: var(--danger-tint, #fef2f2);
  color: var(--danger, #b91c1c);
}

.notif-stat-icon.invites {
  background: #eff6ff;
  color: #2563eb;
}

.notif-stat-icon.system {
  background: #f5f3ff;
  color: #7c3aed;
}

.notif-stat-info {
  display: flex;
  flex-direction: column;
}

.notif-stat-val {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.05;
}

.notif-stat-lbl {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* Barra de control y filtros */
.notif-toolbar-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg, 12px);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.notif-filter-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.notif-pill {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all .14s ease;
}

.notif-pill:hover {
  background: var(--tint-subtle);
  color: var(--ink);
}

.notif-pill.active {
  background: var(--tint);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--line));
  color: var(--primary);
  font-weight: 700;
}

.notif-pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  background: rgba(0,0,0,0.06);
  color: inherit;
}

.notif-pill.active .notif-pill-count {
  background: var(--primary);
  color: #ffffff;
}

.notif-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Panel de configuración de avisos (colapsable) */
.notif-settings-box {
  background: linear-gradient(180deg, #ffffff 0%, var(--tint-subtle) 100%);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, var(--line));
  border-radius: var(--radius-lg, 12px);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  animation: notifDropIn .2s ease;
  flex-shrink: 0;
  max-height: 40%;
  overflow-y: auto;
}

.notif-settings-title {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.notif-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
}

.notif-pref-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md, 10px);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.notif-pref-item:hover {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--line));
  box-shadow: 0 2px 6px rgba(18, 56, 53, 0.05);
}

.notif-pref-item input[type="checkbox"] {
  order: 2;
  appearance: none !important;
  -webkit-appearance: none !important;
  width: 36px !important;
  height: 20px !important;
  background: linear-gradient(180deg, color-mix(in srgb, var(--muted-light, #d1d5db) 60%, var(--line)) 0%, color-mix(in srgb, var(--muted-light, #d1d5db) 45%, var(--line)) 100%) !important;
  border: 1px solid color-mix(in srgb, var(--line) 80%, #000) !important;
  border-radius: var(--radius-pill, 999px) !important;
  position: relative !important;
  outline: none !important;
  cursor: pointer !important;
  transition: background 0.22s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.22s ease, box-shadow 0.22s ease !important;
  box-shadow: inset 0 1.5px 3px rgba(18, 56, 53, 0.16), 0 1px 0 rgba(255, 255, 255, 0.85) !important;
  flex-shrink: 0 !important;
  margin: 0 !important;
}

.notif-pref-item input[type="checkbox"]::before {
  content: "" !important;
  position: absolute !important;
  top: 1px !important;
  left: 1px !important;
  width: 16px !important;
  height: 16px !important;
  border-radius: 50% !important;
  background: linear-gradient(180deg, #ffffff 0%, #f4f6f6 100%) !important;
  box-shadow: 0 1.5px 3px rgba(0, 0, 0, 0.25), 0 0.5px 1px rgba(0, 0, 0, 0.12) !important;
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.notif-pref-item input[type="checkbox"]:checked {
  background: linear-gradient(180deg, var(--primary-dark, #075f66) 0%, var(--primary, #087e85) 100%) !important;
  border-color: color-mix(in srgb, var(--primary-dark) 85%, #000) !important;
  box-shadow: inset 0 1.5px 3px rgba(0, 0, 0, 0.24), 0 1px 0 rgba(255, 255, 255, 0.75) !important;
}

.notif-pref-item input[type="checkbox"]:checked::before {
  transform: translateX(16px) !important;
}

.notif-pref-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--primary, #087e85) !important;
  outline-offset: 2px !important;
}

.notif-pref-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.notif-pref-text strong {
  font-size: 12px;
  color: var(--ink);
}

.notif-pref-text small {
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.3;
}

/* Feed principal de notificaciones (Contenedor elástico con scroll interno) */
.notif-feed {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
}

.notif-feed::-webkit-scrollbar {
  width: 6px;
}

.notif-feed::-webkit-scrollbar-thumb {
  background: rgba(18, 56, 53, 0.16);
  border-radius: 6px;
}

.notif-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg, 12px);
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: all .16s ease;
  position: relative;
  flex-shrink: 0;
}

.notif-card:hover {
  border-color: color-mix(in srgb, var(--primary) 28%, var(--line));
  box-shadow: 0 4px 12px rgba(18, 56, 53, 0.06);
}

.notif-card.is-unread {
  background: color-mix(in srgb, var(--tint) 25%, #ffffff);
  border-left: 4px solid var(--primary);
}

.notif-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notif-card-icon.type-clinic_invite {
  background: color-mix(in srgb, var(--primary) 15%, #ffffff);
  color: var(--primary);
}

.notif-card-icon.type-clinic_accepted,
.notif-card-icon.type-friend_accepted {
  background: var(--success-tint, #ecfdf5);
  color: var(--success-dark, #047857);
}

.notif-card-icon.type-referral_registered {
  background: #eff6ff;
  color: #2563eb;
}

.notif-card-icon.type-system {
  background: var(--tint);
  color: var(--primary);
}

.notif-card-icon.type-security {
  background: #fffbeb;
  color: #b45309;
}

.notif-card-icon svg {
  width: 22px;
  height: 22px;
}

.notif-card-body {
  flex: 1;
  min-width: 0;
}

.notif-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.notif-category-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  background: var(--tint-subtle);
  color: var(--muted);
  border: 1px solid var(--line);
}

.notif-category-chip.chip-clinic {
  background: color-mix(in srgb, var(--primary) 12%, #fff);
  color: var(--primary-dark);
  border-color: color-mix(in srgb, var(--primary) 22%, transparent);
}

.notif-category-chip.chip-friend {
  background: var(--success-tint, #ecfdf5);
  color: var(--success-dark, #047857);
  border-color: color-mix(in srgb, var(--success) 25%, transparent);
}

.notif-category-chip.chip-referral {
  background: #eff6ff;
  color: #1d4ed8;
  border-color: #bfdbfe;
}

.notif-category-chip.chip-security {
  background: #fffbeb;
  color: #92400e;
  border-color: #fde68a;
}

.notif-card-time {
  font-size: 11.5px;
  color: var(--muted);
}

.notif-card-title {
  margin: 2px 0 6px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}

.notif-card-message {
  margin: 0;
  font-size: 12.5px;
  color: color-mix(in srgb, var(--ink) 82%, var(--muted));
  line-height: 1.55;
}

.notif-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.notif-card-side-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
}

.notif-icon-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .14s ease;
}

.notif-icon-btn:hover {
  background: var(--tint-subtle);
  color: var(--ink);
  border-color: var(--line);
}

.notif-icon-btn.danger:hover {
  background: var(--danger-tint, #fef2f2);
  color: var(--danger, #b91c1c);
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
}

/* Empty state para la sección principal */
.notif-main-empty {
  background: #ffffff;
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg, 12px);
  padding: 48px 24px;
  text-align: center;
}

.notif-main-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--tint);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.notif-main-empty-icon svg {
  width: 28px;
  height: 28px;
}

.notif-main-empty h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.notif-main-empty p {
  margin: 0 auto;
  max-width: 420px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ----------------------------------------------------------------------------
   4. ADAPTACIÓN RESPONSIVA
   ---------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .notifications-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .topbar-notif-popover {
    position: fixed;
    top: 70px;
    right: 12px;
    left: 12px;
    width: auto;
    max-width: none;
    max-height: 80vh;
  }
  
  .notifications-workspace {
    overflow: visible;
    height: auto;
  }

  .notif-feed {
    overflow: visible;
  }

  .notifications-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .notif-toolbar-card {
    flex-direction: column;
    align-items: stretch;
  }
  
  .notif-toolbar-actions {
    justify-content: flex-start;
  }
  
  .notif-card {
    padding: 14px;
    flex-direction: column;
  }
  
  .notif-card-side-actions {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
    justify-content: flex-end;
  }
}


@media (max-width: 760px) {
  .notif-settings-box {
    max-height: none !important;
    overflow: visible !important;
  }
}