/**
 * GLASSTERMINAL DESIGN SYSTEM
 * components.css - UI Components
 *
 * Cards, panels, badges, alerts, modals,
 * tooltips, and other UI building blocks.
 */

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-md), var(--glass-shadow-inset);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-subtle);
  border-bottom: 1px solid var(--color-border-light);
}

.card-title {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-accent);
}

.card-body {
  padding: var(--space-4);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-subtle);
  border-top: 1px solid var(--color-border-light);
}

/* Card variants */
.card-compact .card-body {
  padding: var(--space-3);
}

.card-compact .card-header,
.card-compact .card-footer {
  padding: var(--space-2) var(--space-3);
}

.card-interactive {
  cursor: pointer;
  transition:
    transform var(--transition-fast) var(--ease-out),
    box-shadow var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
}

.card-interactive:hover {
  transform: translateY(-2px);
  border-color: var(--glass-border-glow);
  box-shadow:
    var(--glass-shadow-lg),
    0 0 20px var(--color-accent-subtle);
}

.card-selected {
  border-color: var(--color-accent);
  box-shadow:
    var(--glass-shadow-md),
    0 0 0 1px var(--color-accent),
    var(--glow-accent);
}

/* ============================================
   PANELS (TERMINAL STYLE)
   ============================================ */

.panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--glass-bg-subtle);
  border-bottom: 1px solid var(--glass-border-glow);
}

.panel-title {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-accent);
}

.panel-body {
  padding: var(--space-3);
}

/* Bloomberg-style accent border */
.panel-accent {
  border-left: 3px solid var(--color-accent);
}

.panel-accent-success {
  border-left: 3px solid var(--color-success);
}

.panel-accent-warning {
  border-left: 3px solid var(--color-warning);
}

.panel-accent-error {
  border-left: 3px solid var(--color-error);
}

/* Glass panel */
.panel-glass {
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--glass-blur-lg));
  -webkit-backdrop-filter: blur(var(--glass-blur-lg));
  border-color: var(--glass-border-medium);
  box-shadow: var(--glass-shadow-md);
}

/* Panel with scan line */
.panel-scanline {
  position: relative;
  overflow: hidden;
}

.panel-scanline::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent),
    transparent
  );
  opacity: 0.3;
  animation: panelScan 4s linear infinite;
  pointer-events: none;
}

@keyframes panelScan {
  0% { top: -10%; }
  100% { top: 110%; }
}

/* ============================================
   BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
  height: 18px;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-3xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.badge-default {
  background: var(--glass-bg-medium);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
}

.badge-primary {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-muted);
}

.badge-success {
  background: var(--color-success-subtle);
  color: var(--color-success);
  border: 1px solid var(--color-success-muted);
}

.badge-warning {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-muted);
}

.badge-error {
  background: var(--color-error-subtle);
  color: var(--color-error);
  border: 1px solid var(--color-error-muted);
}

.badge-info {
  background: var(--color-info-subtle);
  color: var(--color-info);
  border: 1px solid var(--color-info-muted);
}

/* Glowing badge */
.badge-glow {
  box-shadow: 0 0 8px currentColor;
}

/* Count badge */
.badge-count {
  min-width: 18px;
  height: 18px;
  padding: 0 var(--space-1);
  border-radius: var(--radius-full);
  background: var(--color-error);
  color: var(--color-bg-deep);
  font-weight: var(--font-weight-bold);
  box-shadow: 0 0 8px var(--color-error-muted);
}

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-light);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.alert-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.alert-close {
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.alert-close:hover {
  opacity: 1;
}

/* Alert variants */
.alert-success {
  border-left-color: var(--color-success);
  background: var(--color-success-subtle);
}

.alert-success .alert-icon,
.alert-success .alert-title {
  color: var(--color-success);
}

.alert-warning {
  border-left-color: var(--color-warning);
  background: var(--color-warning-subtle);
}

.alert-warning .alert-icon,
.alert-warning .alert-title {
  color: var(--color-warning);
}

.alert-error {
  border-left-color: var(--color-error);
  background: var(--color-error-subtle);
}

.alert-error .alert-icon,
.alert-error .alert-title {
  color: var(--color-error);
}

.alert-info {
  border-left-color: var(--color-info);
  background: var(--color-info-subtle);
}

.alert-info .alert-icon,
.alert-info .alert-title {
  color: var(--color-info);
}

/* ============================================
   TOOLTIPS
   ============================================ */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-overlay);
  backdrop-filter: blur(var(--glass-blur-lg));
  -webkit-backdrop-filter: blur(var(--glass-blur-lg));
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-primary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-fast) var(--ease-out),
    transform var(--transition-fast) var(--ease-out);
  z-index: var(--z-tooltip);
  box-shadow: var(--glass-shadow-lg);
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--glass-border-medium);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* Tooltip positions */
.tooltip-bottom .tooltip-content {
  bottom: auto;
  top: 100%;
  transform: translateX(-50%) translateY(8px);
}

.tooltip-bottom:hover .tooltip-content {
  transform: translateX(-50%) translateY(4px);
}

.tooltip-bottom .tooltip-content::after {
  top: auto;
  bottom: 100%;
  border-top-color: transparent;
  border-bottom-color: var(--glass-border-medium);
}

/* ============================================
   MODAL / DIALOG
   ============================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-normal) var(--ease-out),
    visibility var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  background: var(--color-bg-elevated);
  backdrop-filter: blur(var(--glass-blur-xl));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl));
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-xl);
  box-shadow:
    var(--glass-shadow-lg),
    0 0 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.9) translateY(20px);
  transition:
    transform var(--transition-normal) var(--ease-bounce),
    opacity var(--transition-normal) var(--ease-out);
  overflow: hidden;
}

.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--glass-border-glow);
  background: var(--glass-bg-subtle);
}

.modal-title {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--space-5);
  overflow-y: auto;
  max-height: 60vh;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  background: var(--glass-bg-subtle);
}

/* Modal sizes */
.modal-sm {
  max-width: 400px;
}

.modal-lg {
  max-width: 700px;
}

.modal-xl {
  max-width: 900px;
}

.modal-full {
  max-width: calc(100vw - var(--space-8));
  max-height: calc(100vh - var(--space-8));
}

/* ============================================
   DROPDOWN MENU
   ============================================ */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  margin-top: var(--space-1);
  padding: var(--space-1);
  background: var(--color-bg-overlay);
  backdrop-filter: blur(var(--glass-blur-xl));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl));
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity var(--transition-fast) var(--ease-out),
    transform var(--transition-fast) var(--ease-out),
    visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background var(--transition-fast) var(--ease-out),
    color var(--transition-fast) var(--ease-out);
}

.dropdown-item:hover {
  background: var(--glass-bg-light);
  color: var(--color-accent);
}

.dropdown-item.active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.dropdown-divider {
  height: 1px;
  margin: var(--space-1) 0;
  background: var(--color-border-light);
}

.dropdown-header {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-tertiary);
}

/* ============================================
   TABS
   ============================================ */

.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border-light);
}

.tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition:
    color var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
}

.tab:hover {
  color: var(--color-text-primary);
}

.tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-content {
  padding: var(--space-4) 0;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Glass tabs */
.tabs-glass {
  background: var(--glass-bg-subtle);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: var(--space-1);
  border-bottom: none;
}

.tabs-glass .tab {
  border-radius: var(--radius-sm);
  border-bottom: none;
}

.tabs-glass .tab.active {
  background: var(--glass-bg-medium);
  box-shadow: 0 0 10px var(--color-accent-subtle);
}

/* ============================================
   ACCORDION
   ============================================ */

.accordion {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border-light);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-subtle);
  border: none;
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  transition:
    background var(--transition-fast) var(--ease-out),
    color var(--transition-fast) var(--ease-out);
}

.accordion-header:hover {
  background: var(--glass-bg-light);
  color: var(--color-accent);
}

.accordion-header:focus {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--color-accent-muted);
}

.accordion-header:focus-visible {
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.accordion-icon {
  transition: transform var(--transition-normal) var(--ease-out);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0 var(--space-4);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) var(--ease-out),
              padding var(--transition-normal) var(--ease-out);
}

.accordion-item.active .accordion-body {
  padding: var(--space-4);
  max-height: 500px;
}

/* ============================================
   CHAT / MESSAGE COMPONENTS
   ============================================ */

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.chat-message {
  display: flex;
  gap: var(--space-3);
  max-width: 80%;
}

.chat-message.sent {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--glass-bg-medium);
  border: 1px solid var(--glass-border-medium);
  flex-shrink: 0;
}

.chat-bubble {
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  border-top-left-radius: var(--radius-sm);
}

.chat-message.sent .chat-bubble {
  background: var(--color-accent-subtle);
  border-color: var(--color-accent-muted);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-sm);
}

.chat-meta {
  font-size: var(--font-size-2xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.chat-input {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  background: var(--glass-bg-subtle);
}

/* ============================================
   SKELETON LOADING
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-bg-light) 0%,
    var(--glass-bg-strong) 50%,
    var(--glass-bg-light) 100%
  );
  background-size: 200% 100%;
  animation: skeletonPulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeletonPulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: var(--space-3);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.skeleton-button {
  height: 36px;
  width: 100px;
}

/* ============================================
   AVATAR
   ============================================ */

.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--glass-bg-medium);
  border: 2px solid var(--glass-border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 28px;
  height: 28px;
  font-size: var(--font-size-xs);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--font-size-lg);
}

.avatar-xl {
  width: 80px;
  height: 80px;
  font-size: var(--font-size-xl);
}

/* Avatar with status */
.avatar-status {
  position: relative;
}

.avatar-status::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-base);
  background: var(--color-text-muted);
}

.avatar-status.online::after {
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
}

.avatar-status.busy::after {
  background: var(--color-error);
}

.avatar-status.away::after {
  background: var(--color-warning);
}

/* Avatar group */
.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  margin-left: -10px;
  border-color: var(--color-bg-base);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ============================================
   DIVIDERS
   ============================================ */

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border-medium),
    transparent
  );
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--color-border-light);
  margin: 0 var(--space-4);
}

.divider-accent::before,
.divider-accent::after {
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent),
    transparent
  );
  box-shadow: 0 0 10px var(--color-accent-muted);
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
}

.empty-state-icon {
  font-size: 4rem;
  opacity: 0.2;
  margin-bottom: var(--space-4);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.empty-state-message {
  color: var(--color-text-secondary);
  max-width: 400px;
  margin-bottom: var(--space-6);
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--glass-bg-strong);
  border-top-color: var(--color-accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

/* Cyber spinner */
.spinner-cyber {
  width: 40px;
  height: 40px;
  position: relative;
}

.spinner-cyber::before,
.spinner-cyber::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

.spinner-cyber::before {
  border-top-color: var(--color-accent);
  border-right-color: var(--color-accent);
}

.spinner-cyber::after {
  border-bottom-color: var(--color-secondary);
  border-left-color: var(--color-secondary);
  animation-direction: reverse;
  animation-duration: 1.5s;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  min-width: 300px;
  max-width: 400px;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(var(--glass-blur-xl));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl));
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-lg);
  transform: translateX(100%);
  opacity: 0;
  animation: toastSlideIn 0.3s var(--ease-out) forwards;
}

@keyframes toastSlideIn {
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.leaving {
  animation: toastSlideOut 0.3s var(--ease-in) forwards;
}

@keyframes toastSlideOut {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.toast-success {
  border-left: 3px solid var(--color-success);
}

.toast-error {
  border-left: 3px solid var(--color-error);
}

.toast-warning {
  border-left: 3px solid var(--color-warning);
}

.toast-info {
  border-left: 3px solid var(--color-info);
}

/* ============================================
   SECTION TITLES (// TERMINAL STYLE)
   ============================================ */

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.section-title::before {
  content: '//';
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--color-border-medium),
    transparent
  );
}

/* Compact variant */
.section-title-sm {
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-4);
  gap: var(--space-2);
}

/* Large variant */
.section-title-lg {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-8);
}

/* Accent line variant */
.section-title-accent::after {
  background: linear-gradient(
    90deg,
    var(--color-accent),
    transparent
  );
  box-shadow: 0 0 10px var(--color-accent-muted);
}

/* No line variant */
.section-title-bare::after {
  display: none;
}

/* Centered variant */
.section-title-center {
  justify-content: center;
}

.section-title-center::before {
  content: '//';
}

.section-title-center::after {
  display: none;
}

/* Section title with subtitle */
.section-header {
  margin-bottom: var(--space-8);
}

.section-header .section-title {
  margin-bottom: var(--space-2);
}

.section-subtitle {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  padding-left: calc(var(--space-3) + 1.2em);
}

/* ============================================
   NAVIGATION - TOP BAR
   ============================================ */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-xl));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl));
  border-bottom: 1px solid var(--glass-border-light);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: var(--letter-spacing-wide);
}

.navbar-brand:hover {
  color: var(--color-accent);
}

.navbar-logo {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-bg-base);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast) var(--ease-out);
}

.navbar-link:hover {
  color: var(--color-text-primary);
  background: var(--glass-bg-subtle);
}

.navbar-link.active {
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Dropdown in navbar */
.navbar-dropdown {
  position: relative;
}

.navbar-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  margin-top: var(--space-2);
  padding: var(--space-2);
  background: var(--color-bg-overlay);
  backdrop-filter: blur(var(--glass-blur-xl));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl));
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast) var(--ease-out);
}

.navbar-dropdown:hover .navbar-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-dropdown-item {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast) var(--ease-out);
}

.navbar-dropdown-item:hover {
  color: var(--color-text-primary);
  background: var(--glass-bg-subtle);
}

/* Mobile menu toggle */
.navbar-toggle {
  display: none;
  padding: var(--space-2);
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
}

@media (max-width: 768px) {
  .navbar-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: var(--space-4);
    background: var(--color-bg-overlay);
    backdrop-filter: blur(var(--glass-blur-xl));
    -webkit-backdrop-filter: blur(var(--glass-blur-xl));
    border-bottom: 1px solid var(--glass-border-light);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) var(--ease-out);
  }

  .navbar-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-toggle {
    display: block;
  }

  .navbar-link {
    width: 100%;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  padding: var(--space-16) var(--space-8);
  text-align: center;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-6);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-muted);
  border-radius: var(--radius-full);
}

.hero-title {
  font-family: var(--font-family-display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  background: linear-gradient(
    135deg,
    var(--color-text-primary) 0%,
    var(--color-accent) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-subtle) 0%,
    transparent 70%
  );
  opacity: 0.5;
}

/* ============================================
   FEATURE GRID
   ============================================ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal) var(--ease-out);
}

.feature-card:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border-medium);
  transform: translateY(-4px);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-muted);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  font-size: var(--font-size-xl);
}

.feature-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.feature-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   PRICING CARDS
   ============================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal) var(--ease-out);
}

.pricing-card:hover {
  border-color: var(--glass-border-medium);
  transform: translateY(-4px);
}

.pricing-card.featured {
  background: var(--glass-bg-light);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-subtle);
}

.pricing-badge {
  align-self: flex-start;
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-4);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.pricing-amount {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.pricing-period {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.pricing-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
}

.pricing-features {
  flex: 1;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.pricing-cta {
  margin-top: auto;
}

/* ============================================
   FAQ ACCORDION
   ============================================ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4);
  background: none;
  border: none;
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast) var(--ease-out);
}

.faq-question:hover {
  background: var(--glass-bg-light);
}

.faq-question::after {
  content: '+';
  font-family: var(--font-family-mono);
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  transition: transform var(--transition-fast) var(--ease-out);
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) var(--ease-out);
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
  max-width: 600px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: var(--space-12) var(--space-8);
  background: var(--glass-bg-subtle);
  border-top: 1px solid var(--glass-border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-brand {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.footer-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast) var(--ease-out);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  transition: color var(--transition-fast) var(--ease-out);
}

.footer-social a:hover {
  color: var(--color-accent);
}

/* ============================================
   PAGE WRAPPER
   ============================================ */

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1400px;
}

/* ============================================
   CODE BLOCKS (ENHANCED FOR PAPERS)
   ============================================ */

.code-block {
  position: relative;
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-deep);
  border: 1px solid var(--glass-border-medium);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  background: var(--glass-bg-light);
  border-bottom: 1px solid var(--color-border-subtle);
}

.code-block-lang {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-accent);
}

.code-block-dots {
  display: flex;
  gap: var(--space-2);
}

.code-block-dots span {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
  opacity: 0.5;
}

.code-block-dots span:first-child {
  background: var(--color-error);
  opacity: 0.7;
}

.code-block-dots span:nth-child(2) {
  background: var(--color-warning);
  opacity: 0.7;
}

.code-block-dots span:last-child {
  background: var(--color-success);
  opacity: 0.7;
}

.code-block pre {
  margin: 0;
  padding: var(--space-4);
  background: transparent;
  border: none;
  border-radius: 0;
}

.code-block code {
  font-size: var(--font-size-xs);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
}

/* ASCII diagram blocks */
.ascii-block {
  margin: var(--space-6) 0;
  padding: var(--space-4);
  background: var(--color-bg-deep);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.ascii-block pre {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  line-height: 1.4;
  color: var(--color-accent);
}

/* ============================================
   PAPER/ARTICLE COMPONENTS
   ============================================ */

.paper-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

.paper-header {
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-medium);
}

.paper-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-muted);
  border-radius: var(--radius-full);
}

.paper-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.paper-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.paper-meta-label {
  color: var(--color-text-muted);
}

.paper-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.paper-topic {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--glass-bg-medium);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
}

.paper-abstract {
  padding: var(--space-5);
  margin-bottom: var(--space-8);
  background: var(--glass-bg-subtle);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.paper-abstract-title {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.paper-section {
  margin-bottom: var(--space-10);
}

.paper-section-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
}

.paper-subsection-title {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.paper-content p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.paper-content strong {
  color: var(--color-text-primary);
}

.paper-highlight {
  padding: var(--space-4);
  margin: var(--space-4) 0;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-muted);
  border-radius: var(--radius-md);
}

.paper-highlight strong {
  color: var(--color-accent);
}

/* Paper tables wrapper */
.paper-table-wrapper {
  margin: var(--space-6) 0;
  overflow-x: auto;
}

.paper-table-wrapper table {
  font-size: var(--font-size-xs);
}

/* Paper back link */
.paper-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast) var(--ease-out);
}

.paper-back-link:hover {
  color: var(--color-accent);
}

/* Paper navigation */
.paper-nav {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-8);
  margin-top: var(--space-12);
  border-top: 1px solid var(--color-border-medium);
}

.paper-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    background var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
  max-width: 45%;
}

.paper-nav-link:hover {
  background: var(--glass-bg-light);
  border-color: var(--color-accent-muted);
}

.paper-nav-label {
  font-size: var(--font-size-2xs);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-tertiary);
}

.paper-nav-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
}

/* Callout box */
.callout {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-md);
}

.callout-icon {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.callout-content {
  flex: 1;
}

.callout-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.callout-info {
  border-left: 3px solid var(--color-info);
}

.callout-warning {
  border-left: 3px solid var(--color-warning);
  background: var(--color-warning-subtle);
}

.callout-tip {
  border-left: 3px solid var(--color-success);
  background: var(--color-success-subtle);
}

/* ============================================
   DASHBOARD / APP SHELL COMPONENTS
   ============================================ */

/* Sidebar / Left Rail */
.sidebar {
  grid-row: 1 / -1;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-xl));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl));
  border-right: 1px solid var(--glass-border-medium);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--glass-border-glow);
}

.sidebar-logo {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  text-shadow: 0 0 20px var(--color-accent-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-logo::before {
  content: '◈';
  font-size: 1.2em;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--space-6);
}

.nav-section-title {
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-text-muted);
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition:
    background var(--transition-fast) var(--ease-out),
    color var(--transition-fast) var(--ease-out),
    box-shadow var(--transition-fast) var(--ease-out);
  border-left: 2px solid transparent;
}

.nav-item:hover {
  background: var(--glass-bg-subtle);
  color: var(--color-text-primary);
}

.nav-item.active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-subtle);
}

.nav-icon {
  width: 18px;
  text-align: center;
  opacity: 0.7;
}

.nav-badge {
  margin-left: auto;
  padding: 2px 6px;
  font-size: var(--font-size-3xs);
  background: var(--color-error);
  color: var(--color-bg-deep);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast) var(--ease-out);
}

.user-info:hover {
  background: var(--glass-bg-subtle);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--glass-bg-medium);
  border: 2px solid var(--color-accent-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: var(--font-size-2xs);
  color: var(--color-text-tertiary);
}

/* Top Bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  background: var(--glass-bg-subtle);
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border-bottom: 1px solid var(--color-border-subtle);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb span {
  color: var(--color-text-primary);
}

.topbar-search {
  position: relative;
  width: 300px;
}

.topbar-search input {
  width: 100%;
  padding-left: var(--space-10);
  background: var(--glass-bg-subtle);
}

.topbar-search::before {
  content: '⌕';
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    background var(--transition-fast) var(--ease-out),
    color var(--transition-fast) var(--ease-out);
  position: relative;
}

.topbar-icon:hover {
  background: var(--glass-bg-light);
  color: var(--color-accent);
}

.notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--color-error);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-base);
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.page-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.main-content {
  padding: var(--space-6);
  overflow-y: auto;
}

/* Stats / KPI Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--color-accent-subtle) 0%, transparent 70%);
  opacity: 0.5;
}

.stat-label {
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.stat-change {
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-4);
}

.dashboard-grid > .full-width {
  grid-column: 1 / -1;
}

/* News Feed */
.news-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.news-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--glass-bg-subtle);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  transition:
    background var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
  cursor: pointer;
}

.news-item:hover {
  background: var(--glass-bg-light);
  border-left-color: var(--color-accent-hover);
}

.news-time {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-2xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

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

.news-headline {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.news-source {
  font-size: var(--font-size-2xs);
  color: var(--color-text-tertiary);
}

.news-item.breaking {
  border-left-color: var(--color-error);
  background: var(--color-error-subtle);
}

.news-item.breaking .news-headline {
  color: var(--color-error);
}

/* Events List */
.events-list {
  display: flex;
  flex-direction: column;
}

.event-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
}

.event-item:last-child {
  border-bottom: none;
}

.event-date {
  text-align: center;
  padding: var(--space-2);
  background: var(--glass-bg-subtle);
  border-radius: var(--radius-md);
  min-width: 50px;
}

.event-date-day {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

.event-date-month {
  font-size: var(--font-size-3xs);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.event-details {
  flex: 1;
}

.event-title {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  margin-bottom: 2px;
}

.event-info {
  font-size: var(--font-size-2xs);
  color: var(--color-text-tertiary);
}

/* City Info Panel */
.city-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.city-stat {
  padding: var(--space-3);
  background: var(--glass-bg-subtle);
  border-radius: var(--radius-md);
}

.city-stat-label {
  font-size: var(--font-size-2xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.city-stat-value {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition:
    background var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out),
    transform var(--transition-fast) var(--ease-out);
}

.quick-action:hover {
  background: var(--glass-bg-light);
  border-color: var(--color-accent-muted);
  transform: translateY(-2px);
}

.quick-action-icon {
  font-size: var(--font-size-xl);
  color: var(--color-accent);
}

.quick-action-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

/* Chat Panel Wrapper */
.chat-panel {
  display: flex;
  flex-direction: column;
  height: 400px;
}

.chat-bubble.assistant {
  border-left: 2px solid var(--color-secondary);
}

.chat-input-area {
  padding: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  gap: var(--space-2);
}

.chat-input-area input {
  flex: 1;
}