:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #1e2130;
  --bg-hover: #252838;
  --border: #2a2d3a;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #6b7280;
  --accent: #4f8cff;
  --accent-hover: #6b9fff;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --nozzle-color: #f59e0b;
  --bed-color: #ef4444;
  --chamber-color: #8b5cf6;
  --fan-color: #06b6d4;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

#app {
  display: flex;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.printer-list {
  list-style: none;
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.printer-list-item {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.15s;
}

.printer-list-item:hover {
  background: var(--bg-hover);
}

.printer-list-item.active {
  background: var(--bg-hover);
  border: 1px solid var(--accent);
}

.printer-list-item .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.printer-list-item .status-dot.online {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.printer-list-item .printer-item-name {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.btn:hover { background: var(--accent-hover); }

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #ef5350; }

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 12px;
  padding: 40px;
}

.empty-icon { font-size: 48px; opacity: 0.6; }
.empty-state h2 { font-size: 20px; color: var(--text-primary); }
.empty-state p { color: var(--text-secondary); margin-bottom: 8px; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-online { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.badge-online::before { background: var(--success); }
.badge-offline { background: rgba(107, 114, 128, 0.15); color: var(--text-muted); }
.badge-offline::before { background: var(--text-muted); }
.badge-printing { background: rgba(79, 140, 255, 0.15); color: var(--accent); }
.badge-printing::before { background: var(--accent); }

/* Printer View */
.printer-view {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.printer-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.printer-title {
  font-size: 22px;
  font-weight: 600;
}

/* Dashboard Grid */
.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 1200px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
}

.camera-section { grid-column: 1; }
.info-section {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (max-width: 1200px) {
  .camera-section, .info-section { grid-column: 1; }
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.card-body {
  padding: 18px;
}

/* Camera */
.camera-container {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}

.camera-container canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.camera-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* Print Progress */
.print-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 6px;
}

.idle-text {
  color: var(--text-muted);
  font-size: 16px;
}

.idle-subtext {
  color: var(--text-muted);
  font-size: 12px;
}

.job-name {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-bar-container {
  position: relative;
  height: 24px;
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #7c5cff);
  border-radius: 12px;
  transition: width 0.5s ease;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: 600;
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.progress-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.detail-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.detail-value {
  font-size: 15px;
  font-weight: 600;
}

/* Temperatures */
.temp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.temp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
}

.temp-icon {
  font-size: 24px;
  line-height: 1;
}

.nozzle-icon { color: var(--nozzle-color); }
.bed-icon { color: var(--bed-color); }
.chamber-icon { color: var(--chamber-color); }

.temp-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.temp-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.temp-value {
  font-size: 18px;
  font-weight: 700;
}

.temp-target {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Fans */
.fan-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fan-item {
  display: grid;
  grid-template-columns: 100px 1fr 50px;
  align-items: center;
  gap: 12px;
}

.fan-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.fan-bar-container {
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
}

.fan-bar {
  height: 100%;
  background: var(--fan-color);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.fan-value {
  font-size: 13px;
  font-weight: 600;
  text-align: right;
  color: var(--text-primary);
}

/* Manage Page */
.manage-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px;
}

.manage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.manage-header h1 {
  font-size: 24px;
}

.printer-form {
  padding: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus {
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.printer-table {
  width: 100%;
  border-collapse: collapse;
}

.printer-table th,
.printer-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.printer-table th {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.printer-table td {
  font-size: 14px;
}

.printer-table tr:hover td {
  background: var(--bg-hover);
}

.table-actions {
  display: flex;
  gap: 8px;
}

.btn-icon {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-icon.delete:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* Modal overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow);
}

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

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: slideIn 0.2s ease;
}

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

@keyframes slideIn {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}