.panel-loader {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  place-items: center;
  background: linear-gradient(160deg, rgba(5, 7, 15, 0.98), rgba(8, 12, 24, 0.98));
}

.panel-loader.is-active {
  display: grid;
}

.loader-core {
  text-align: center;
}

.loader-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(42, 246, 255, 0.2);
  border-top-color: var(--line);
  margin: 0 auto 1.5rem;
  animation: spin 1.2s linear infinite;
}

.panel-grid {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 246, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 246, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at center, black 60%, transparent 100%);
  z-index: -1;
}

.panel-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.panel-sidebar {
  width: 260px;
  min-height: 100vh;
  background: linear-gradient(180deg, rgba(9, 19, 34, 0.95), rgba(6, 12, 21, 0.98));
  border-right: 1px solid rgba(42, 246, 255, 0.1);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(42, 246, 255, 0.1);
  margin-bottom: 1.5rem;
}

.avatar-ring {
  position: relative;
  width: 50px;
  height: 50px;
}

.avatar-glow {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--line), var(--violetx), var(--magx), var(--line));
  animation: avatarSpin 3s linear infinite;
  opacity: 0.6;
}

.avatar-ring-large {
  position: relative;
  width: 80px;
  height: 80px;
}

.avatar-ring-large .avatar-glow {
  width: 100%;
  height: 100%;
}

@keyframes avatarSpin {
  to { transform: rotate(360deg); }
}

.avatar-text {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(42, 246, 255, 0.15), rgba(150, 87, 255, 0.15));
  border: 2px solid rgba(42, 246, 255, 0.3);
  color: var(--line);
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  z-index: 1;
}

.avatar-text-large {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(42, 246, 255, 0.2), rgba(150, 87, 255, 0.2));
  border: 2px solid rgba(42, 246, 255, 0.4);
  color: var(--line);
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  z-index: 1;
}

.user-info {
  flex: 1;
}

.username {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.user-tier {
  font-size: 0.75rem;
  color: var(--line);
  letter-spacing: 0.05em;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--muted);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.nav-item:hover {
  background: rgba(42, 246, 255, 0.08);
  color: var(--text);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(42, 246, 255, 0.15), transparent);
  color: var(--line);
  border: 1px solid rgba(42, 246, 255, 0.2);
}

.nav-item svg {
  width: 18px;
  height: 18px;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(42, 246, 255, 0.1);
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 58, 152, 0.1);
  border: 1px solid rgba(255, 58, 152, 0.2);
  border-radius: 8px;
  color: var(--hot);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.logout-btn:hover {
  background: rgba(255, 58, 152, 0.2);
  border-color: var(--hot);
}

.logout-btn svg {
  width: 18px;
  height: 18px;
}

/* Main Content */
.panel-main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  background: linear-gradient(180deg, rgba(5, 7, 15, 0.9), rgba(9, 19, 34, 0.8));
}

.panel-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(6, 12, 21, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(42, 246, 255, 0.1);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  padding: 0.5rem;
  background: none;
  border: 1px solid rgba(42, 246, 255, 0.2);
  border-radius: 6px;
  color: var(--line);
  cursor: pointer;
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(42, 246, 255, 0.1);
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

.page-title {
  font-family: "Orbitron", sans-serif;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: 0.05em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(42, 246, 255, 0.1);
  border: 1px solid rgba(42, 246, 255, 0.2);
  border-radius: 20px;
  font-size: 0.8rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  box-shadow: 0 0 8px var(--line);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-text {
  color: var(--line);
}

.btn-sm {
  padding: 0.45rem 0.8rem;
  font-size: 0.75rem;
}

/* Panel Sections */
.panel-section {
  display: none;
  padding: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.panel-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: linear-gradient(135deg, rgba(9, 19, 34, 0.8), rgba(6, 12, 21, 0.9));
  border: 1px solid rgba(42, 246, 255, 0.15);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: rgba(42, 246, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(42, 246, 255, 0.1);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.cyan {
  background: rgba(42, 246, 255, 0.15);
  color: var(--line);
}

.stat-icon.magenta {
  background: rgba(255, 58, 152, 0.15);
  color: var(--hot);
}

.stat-icon.violet {
  background: rgba(150, 87, 255, 0.15);
  color: var(--violetx);
}

.stat-info {
  flex: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-family: "Orbitron", sans-serif;
  font-size: 1.5rem;
  color: var(--text);
  font-weight: 700;
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
}

.stat-trend.up {
  color: var(--line);
}

.stat-trend.down {
  color: var(--hot);
}

.stat-trend svg {
  width: 14px;
  height: 14px;
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.panel-card {
  background: linear-gradient(135deg, rgba(9, 19, 34, 0.8), rgba(6, 12, 21, 0.9));
  border: 1px solid rgba(42, 246, 255, 0.15);
  border-radius: 12px;
  padding: 1.25rem;
}

.card-title {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  color: var(--line);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(42, 246, 255, 0.1);
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.activity-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.6rem;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.activity-item:hover {
  background: rgba(42, 246, 255, 0.05);
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 0.4rem;
  flex-shrink: 0;
}

.activity-dot.cyan {
  background: var(--line);
  box-shadow: 0 0 6px var(--line);
}

.activity-dot.magenta {
  background: var(--hot);
  box-shadow: 0 0 6px var(--hot);
}

.activity-dot.violet {
  background: var(--violetx);
  box-shadow: 0 0 6px var(--violetx);
}

.activity-content {
  flex: 1;
}

.activity-text {
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.activity-text strong {
  color: var(--line);
}

.activity-time {
  font-size: 0.7rem;
  color: var(--muted);
}

/* Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.5rem;
  background: rgba(42, 246, 255, 0.05);
  border: 1px solid rgba(42, 246, 255, 0.15);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.quick-action-btn:hover {
  background: rgba(42, 246, 255, 0.1);
  border-color: var(--line);
  transform: translateY(-2px);
}

.quick-action-btn svg {
  width: 20px;
  height: 20px;
  color: var(--line);
}

.quick-action-btn span {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* Profile Section */
.profile-card {
  max-width: 600px;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(42, 246, 255, 0.1);
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-family: "Orbitron", sans-serif;
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.profile-email {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.profile-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(90deg, var(--line), var(--violetx));
  border-radius: 20px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: #05070f;
  font-weight: 700;
}

.profile-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.detail-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.detail-group label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.profile-input {
  padding: 0.75rem 1rem;
  background: rgba(7, 13, 24, 0.8);
  border: 1px solid rgba(42, 246, 255, 0.2);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.profile-input:focus {
  outline: none;
  border-color: var(--line);
  box-shadow: 0 0 15px rgba(42, 246, 255, 0.15);
}

.profile-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

/* Billing Section */
.billing-card {
  margin-bottom: 1.25rem;
}

.plan-info {
  padding: 1.25rem;
  background: rgba(42, 246, 255, 0.05);
  border: 1px solid rgba(42, 246, 255, 0.15);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.plan-name {
  font-family: "Orbitron", sans-serif;
  font-size: 1.25rem;
  color: var(--line);
  margin-bottom: 0.5rem;
}

.plan-price {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 1rem;
}

.plan-price span {
  font-size: 1rem;
  color: var(--muted);
}

.plan-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(42, 246, 255, 0.1);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--line);
}

.billing-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.billing-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(7, 13, 24, 0.6);
  border-radius: 6px;
  border: 1px solid rgba(42, 246, 255, 0.1);
}

.billing-date {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text);
}

.billing-amount {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  color: var(--line);
  width: 80px;
}

.billing-status {
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.billing-status.paid {
  background: rgba(42, 246, 255, 0.15);
  color: var(--line);
}

.payment-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(7, 13, 24, 0.6);
  border-radius: 8px;
  border: 1px solid rgba(42, 246, 255, 0.1);
}

.payment-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  font-size: 0.9rem;
  color: var(--text);
}

.payment-card svg {
  width: 24px;
  height: 24px;
  color: var(--line);
}

/* Security Section */
.security-card {
  margin-bottom: 1.25rem;
}

.security-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: rgba(7, 13, 24, 0.6);
  border-radius: 8px;
  border: 1px solid rgba(42, 246, 255, 0.1);
  margin-bottom: 0.75rem;
}

.security-info {
  flex: 1;
}

.security-label {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.security-desc {
  font-size: 0.8rem;
  color: var(--muted);
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(42, 246, 255, 0.1);
  border-radius: 24px;
  transition: 0.3s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--text);
  border-radius: 50%;
  transition: 0.3s;
}

input:checked + .slider {
  background: var(--line);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.device-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(7, 13, 24, 0.6);
  border-radius: 8px;
  border: 1px solid rgba(42, 246, 255, 0.1);
}

.device-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(42, 246, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--line);
}

.device-icon svg {
  width: 20px;
  height: 20px;
}

.device-info {
  flex: 1;
}

.device-name {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.device-location {
  font-size: 0.8rem;
  color: var(--muted);
}

.password-change {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Activity Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background: rgba(7, 13, 24, 0.6);
  border-radius: 8px;
  border: 1px solid rgba(42, 246, 255, 0.1);
  position: relative;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 0.3rem;
  flex-shrink: 0;
}

.timeline-dot.cyan {
  background: var(--line);
  box-shadow: 0 0 8px var(--line);
}

.timeline-dot.magenta {
  background: var(--hot);
  box-shadow: 0 0 8px var(--hot);
}

.timeline-dot.violet {
  background: var(--violetx);
  box-shadow: 0 0 8px var(--violetx);
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.timeline-desc {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.timeline-time {
  font-size: 0.7rem;
  color: var(--line);
}

/* Responsive */
@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .panel-sidebar {
    transform: translateX(-100%);
  }

  .panel-sidebar.open {
    transform: translateX(0);
  }

  .panel-main {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .quick-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .panel-header {
    padding: 0.75rem 1rem;
  }

  .page-title {
    font-size: 1rem;
  }

  .panel-section {
    padding: 1rem;
  }

  .profile-header {
    flex-direction: column;
    text-align: center;
  }

  .profile-actions {
    flex-direction: column;
  }

  .billing-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .payment-method {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .avatar-glow {
    animation: none;
  }

  .status-dot {
    animation: none;
  }

  .loader-ring {
    animation: none;
  }
}