/* ========================================================================
   Notification System - Premium (Scoped)
   ======================================================================== */

.notification-root {
  position: relative;
  flex-shrink: 0;
  isolation: isolate;
}

.notification-root .notification-bell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--text-soft);
  cursor: pointer;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease;
}

.notification-root .notification-bell:hover {
  color: var(--accent);
  background: var(--surface-strong);
  border-color: var(--border-strong);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.08);
  transform: translateY(-1px);
}

.notification-root .notification-bell:active {
  transform: scale(0.94);
}

.notification-root .notification-bell.has-unread {
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.2);
}

.notification-root .notification-bell.has-unread .bell-icon {
  animation: bellSwing 2.5s ease-in-out infinite;
  transform-origin: top center;
}

@keyframes bellSwing {
  0%,
  100% { transform: rotate(0deg); }
  5% { transform: rotate(14deg); }
  10% { transform: rotate(-12deg); }
  15% { transform: rotate(8deg); }
  20% { transform: rotate(-4deg); }
  25% { transform: rotate(0deg); }
}

.notification-root .notification-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  letter-spacing: -0.02em;
  border: 2px solid var(--bg-main);
  box-shadow:
    0 2px 8px rgba(220, 38, 38, 0.45),
    0 0 0 1px rgba(220, 38, 38, 0.15);
  animation: badgePop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 2;
}

@keyframes badgePop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.notification-root .notification-ping {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.5);
  animation: pingRing 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes pingRing {
  0% { transform: scale(1); opacity: 0.7; }
  75%,
  100% { transform: scale(2.2); opacity: 0; }
}

.notification-root .notification-overlay {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}

.notification-root .notification-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.notification-root .notification-dropdown {
  --notif-panel-offset-x: 0;
  position: absolute;
  top: 60px;
  right: 0;
  width: 340px;
  max-width: 90vw;
  max-height: 400px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  z-index: 9999;
  overflow-x: hidden;
  overflow-y: auto;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateX(var(--notif-panel-offset-x)) translateY(-8px) scale(0.98);
  transition:
    opacity 0.24s ease,
    transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 0.28s;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.92) 100%);
  border: 1px solid var(--border);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.45),
    0 8px 32px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  transform-origin: top right;
}

body.light .notification-root .notification-dropdown {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.94) 100%);
  box-shadow:
    0 24px 80px rgba(15, 23, 42, 0.14),
    0 8px 32px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.notification-root .notification-dropdown.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(var(--notif-panel-offset-x)) translateY(0) scale(1);
  transition-delay: 0s, 0s, 0s;
}

.notification-root .notification-dropdown.closing {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(var(--notif-panel-offset-x)) translateY(-6px) scale(0.98);
  transition-delay: 0s, 0s, 0.2s;
}

.notification-root .notification-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
}

.notification-root .notification-panel-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.notification-root .notification-panel-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.notification-root .notification-mark-all {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.2s ease;
}

.notification-root .notification-mark-all:hover {
  background: var(--surface-strong);
  color: var(--accent);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.notification-root .notification-mark-all:active {
  transform: scale(0.96);
}

.notification-root .notification-filters {
  display: flex;
  gap: 6px;
  padding: 0 20px 8px;
  border-bottom: 1px solid var(--border);
}

.notification-root .notif-filter {
  background: transparent;
  border: none;
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.notification-root .notif-filter:hover {
  color: var(--text-main);
  background: var(--surface-soft);
}

.notification-root .notif-filter.active {
  color: var(--bg-main);
  background: var(--text-main);
}

.notification-root .notif-filter .filter-badge {
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 999px;
  line-height: 1;
}

.notification-root .notification-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.notification-root .notification-list::-webkit-scrollbar {
  width: 4px;
}

.notification-root .notification-list::-webkit-scrollbar-track {
  background: transparent;
}

.notification-root .notification-list::-webkit-scrollbar-thumb {
  background: var(--surface-strong);
  border-radius: 999px;
}

.notification-root .notification-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-soft);
}

.notification-root .notification-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 220px;
  padding: 56px 24px;
  color: var(--text-soft);
  text-align: center;
}

.notification-root .notification-empty-icon {
  font-size: 2.8rem;
  opacity: 0.35;
  animation: emptyBellFloat 3s ease-in-out infinite;
}

@keyframes emptyBellFloat {
  0%,
  100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(5deg); }
}

.notification-root .notification-empty p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  opacity: 0.74;
}

.notification-root .notification-empty > span {
  font-size: 0.78rem;
  opacity: 0.58;
  max-width: 26ch;
}

.notification-root .notification-panel-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.74rem;
  color: var(--text-soft);
  opacity: 0.7;
  flex-shrink: 0;
}

.notification-root #notificationCountLabel {
  opacity: 0.8;
  letter-spacing: 0.01em;
}

.notification-root .error-state {
  margin: 14px;
  min-height: 220px;
  border: 1px solid rgba(244, 114, 182, 0.25);
  border-radius: 18px;
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.6), rgba(30, 41, 59, 0.38));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
  padding: 24px 18px;
}

body.light .notification-root .error-state {
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.85));
  border-color: rgba(244, 114, 182, 0.2);
}

.notification-root .error-state-icon {
  width: 36px;
  height: 36px;
  color: #fb7185;
  opacity: 0.92;
}

.notification-root .error-state p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.notification-root .retry-btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.notification-root .retry-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(14, 165, 233, 0.34);
  filter: brightness(1.04);
}

.notification-root .retry-btn:active {
  transform: translateY(0) scale(0.97);
}

.notification-root .notification-item {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  cursor: pointer;
  position: relative;
  transition:
    background 0.2s ease,
    transform 0.15s ease,
    opacity 0.3s ease;
  animation: notifItemIn 0.3s ease backwards;
}

.notification-root .notification-item:nth-child(1) { animation-delay: 0.02s; }
.notification-root .notification-item:nth-child(2) { animation-delay: 0.05s; }
.notification-root .notification-item:nth-child(3) { animation-delay: 0.08s; }
.notification-root .notification-item:nth-child(4) { animation-delay: 0.11s; }
.notification-root .notification-item:nth-child(5) { animation-delay: 0.14s; }
.notification-root .notification-item:nth-child(6) { animation-delay: 0.17s; }
.notification-root .notification-item:nth-child(7) { animation-delay: 0.20s; }
.notification-root .notification-item:nth-child(8) { animation-delay: 0.23s; }
.notification-root .notification-item:nth-child(9) { animation-delay: 0.26s; }
.notification-root .notification-item:nth-child(10) { animation-delay: 0.29s; }

@keyframes notifItemIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

.notification-root .notification-item:hover {
  background: var(--surface-strong);
  transform: translateX(2px);
}

.notification-root .notification-item:active {
  transform: scale(0.98);
}

.notification-root .notification-item.unread {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.06) 0%, rgba(59, 130, 246, 0.04) 100%);
}

.notification-root .notification-item.unread::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 5px;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow:
    0 0 8px var(--accent),
    0 0 16px rgba(56, 189, 248, 0.2);
  animation: unreadDotPulse 2s ease-in-out infinite;
}

@keyframes unreadDotPulse {
  0%,
  100% { opacity: 1; transform: translateY(-50%) scale(1); }
  50% { opacity: 0.6; transform: translateY(-50%) scale(0.85); }
}

.notification-root .notification-item.marking-read {
  opacity: 0.5;
  transform: translateX(4px);
}

.notification-root .notification-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.notification-root .notification-item:hover .notification-icon {
  transform: scale(1.08);
}

.notification-root .notification-icon.type-info {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18) 0%, rgba(14, 165, 233, 0.1) 100%);
  color: #38bdf8;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.12);
}

.notification-root .notification-icon.type-success {
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.18) 0%, rgba(16, 185, 129, 0.1) 100%);
  color: #34d399;
  box-shadow: 0 2px 8px rgba(52, 211, 153, 0.12);
}

.notification-root .notification-icon.type-warning {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.18) 0%, rgba(245, 158, 11, 0.1) 100%);
  color: #fbbf24;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.12);
}

.notification-root .notification-body {
  flex: 1;
  min-width: 0;
}

.notification-root .notification-title {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notification-root .notification-message {
  font-size: 0.8rem;
  color: var(--text-soft);
  line-height: 1.45;
  margin: 3px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notification-root .notification-time {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--text-soft);
  opacity: 0.6;
  margin-top: 5px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .notification-root .notification-dropdown {
    position: fixed;
    top: 70px;
    right: 12px;
    left: 12px;
    width: auto;
    max-width: none;
    max-height: calc(100dvh - 90px);
    transform: translateY(-8px) scale(0.98);
    transform-origin: top right;
    border-radius: 20px;
  }

  .notification-root .notification-dropdown.open {
    transform: translateY(0) scale(1);
  }

  .notification-root .notification-panel-header {
    padding: 18px 20px 14px;
  }

  .notification-root .notification-filters {
    padding: 0 16px 8px;
  }

  .notification-root .notification-panel-footer {
    padding: 10px 18px;
  }
}