:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.95);
  --bg-glass: rgba(15, 23, 42, 0.75);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(6, 182, 212, 0.5);

  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  --accent-blue: #3b82f6;
  --accent-red: #ef4444;

  --sidebar-width: 380px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Header Styles */
.app-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-icon-wrapper {
  position: relative;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: white;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.pulse-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  border: 2px solid var(--bg-secondary);
  border-radius: 50%;
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent-text {
  color: var(--accent-cyan);
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
}

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

.connection-pill, .stats-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status-indicator.live {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.stats-pill i {
  color: var(--accent-cyan);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  outline: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: white;
  box-shadow: 0 2px 10px var(--accent-cyan-glow);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.btn-danger:hover {
  background: #ef4444;
  border-color: #ef4444;
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}

.btn-icon {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.btn-icon.active {
  color: var(--accent-cyan);
  border-color: var(--border-focus);
}

/* Main Layout */
.main-container {
  display: flex;
  flex: 1;
  height: calc(100vh - var(--header-height));
  position: relative;
  overflow: hidden;
}

/* Sidebar Styles */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 900;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), margin-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar.collapsed {
  margin-left: calc(-1 * var(--sidebar-width));
}

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

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-title h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-title i {
  color: var(--accent-cyan);
}

.auto-refresh-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.switch {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 18px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #374151;
  transition: .3s;
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-green);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

.switch-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.search-box {
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
}

.search-box i {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-main);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

/* Photo Feed in Sidebar */
.photo-feed {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.photo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  gap: 0.85rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.photo-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.photo-card.active-selected {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
}

.photo-card-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #1f2937;
  flex-shrink: 0;
}

.photo-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.photo-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.2rem;
}

.photo-card-coords {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.photo-card-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.25rem;
}

.photo-card-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.btn-card-action {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: all 0.15s ease;
}

.btn-card-action:hover {
  background: var(--accent-cyan);
  color: black;
  border-color: var(--accent-cyan);
}

.btn-card-action.btn-delete-danger {
  color: #f87171;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.25);
}

.btn-card-action.btn-delete-danger:hover {
  background: #ef4444;
  color: white;
  border-color: #ef4444;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.4;
  color: var(--accent-cyan);
}

.empty-state h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.8rem;
  line-height: 1.4;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 0.75rem 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.api-endpoint-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.endpoint-method {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 700;
}

.endpoint-path {
  color: var(--text-secondary);
}

.btn-copy {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.3rem;
  transition: color 0.2s;
}

.btn-copy:hover {
  color: var(--accent-cyan);
}

/* Map Wrapper & Map */
.map-wrapper {
  flex: 1;
  position: relative;
  height: 100%;
}

#map {
  width: 100%;
  height: 100%;
  background: #000;
}

/* Floating Map Overlay */
.map-floating-panel {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 800;
  display: flex;
  gap: 0.5rem;
}

.layer-switch-buttons {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.3rem;
  display: flex;
  gap: 0.25rem;
  box-shadow: var(--shadow-md);
}

.layer-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.layer-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.layer-btn.active {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: white;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.map-tool-btn {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.85rem;
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-md);
  transition: all 0.2s ease;
}

.map-tool-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

/* Custom Leaflet Marker Styling */
.custom-photo-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.6), 0 4px 10px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
}

.custom-photo-marker:hover {
  transform: scale(1.25);
  border-color: #fff;
  z-index: 1000 !important;
}

.custom-photo-marker img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Leaflet Popup Styling */
.leaflet-popup-content-wrapper {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 0 !important;
  overflow: hidden;
}

.leaflet-popup-content {
  margin: 0 !important;
  line-height: 1.4 !important;
}

.leaflet-popup-tip {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
}

.popup-container {
  width: 260px;
}

.popup-image-wrapper {
  position: relative;
  width: 100%;
  height: 150px;
  background: #000;
  cursor: pointer;
}

.popup-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.popup-image-wrapper:hover img {
  transform: scale(1.04);
}

.popup-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  color: var(--accent-green);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.popup-body {
  padding: 0.85rem;
}

.popup-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.popup-info-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.popup-info-row i {
  color: var(--accent-cyan);
  width: 14px;
}

.popup-coords {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.popup-footer {
  margin-top: 0.6rem;
  display: flex;
  gap: 0.4rem;
}

/* Modals */
.modal-backdrop, .lightbox-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: scaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

.modal-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.modal-title i {
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.modal-title h3 {
  font-size: 1rem;
  font-weight: 700;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

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

.modal-body {
  padding: 1.25rem;
}

.modal-description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.modal-description code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: var(--accent-cyan);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.form-row .col {
  flex: 1;
}

.form-group input[type="text"],
.form-group input[type="number"] {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

.file-dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.file-dropzone:hover {
  border-color: var(--accent-cyan);
  color: var(--text-secondary);
  background: rgba(6, 182, 212, 0.03);
}

.file-dropzone i {
  font-size: 1.8rem;
  color: var(--accent-cyan);
}

.file-dropzone input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

#filePreviewContainer {
  margin-top: 0.75rem;
  text-align: center;
}

#filePreviewImg {
  max-height: 120px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.quick-locations {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.quick-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.btn-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-chip:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* Lightbox Modal */
.lightbox-container {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(239, 68, 68, 0.8);
}

.lightbox-image-wrapper {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 75vh;
  overflow: hidden;
}

#lightboxImg {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-info-bar {
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#lightboxTitle {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.lightbox-metadata {
  display: flex;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.lightbox-metadata i {
  color: var(--accent-cyan);
}

.lightbox-metadata strong {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.lightbox-actions {
  display: flex;
  gap: 0.75rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 9999;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.success {
  border-left: 4px solid var(--accent-green);
}

.toast.error {
  border-left: 4px solid var(--accent-red);
}

.toast.info {
  border-left: 4px solid var(--accent-cyan);
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive queries */
@media (max-width: 768px) {
  .sidebar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    box-shadow: var(--shadow-lg);
  }

  .header-center {
    display: none;
  }
}