:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border-color: #334155;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Authentication Overlay */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.auth-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 440px;
  padding: 32px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.auth-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-logo {
  display: inline-flex;
  padding: 12px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  color: var(--accent-color);
  margin-bottom: 12px;
}

.auth-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 4px;
}

.auth-banner {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.auth-banner p {
  margin-top: 6px;
}

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

.form-group label {
  display: block;
  font-size: 0.82rem;
  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-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.auth-footer {
  text-align: center;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* App Layout */
.app-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.brand-title h1 {
  font-size: 1.1rem;
  font-weight: 700;
}

.brand-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
}

.metric-chip {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.metric-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-badge {
  text-align: right;
}

.user-role {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--accent-color);
  font-weight: 600;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Navigation Tabs Bar */
.nav-tabs-bar {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tabs-container {
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 14px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

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

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

/* Workspace Content */
.main-content {
  padding: 24px;
  flex: 1;
}

.tab-pane {
  display: none;
}

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

.content-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 480px;
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.88rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.filter-group {
  display: flex;
  gap: 8px;
}

.filter-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* Devices Grid & Cards */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 18px;
}

.device-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  transition: transform 0.2s, border-color 0.2s;
}

.device-card:hover {
  transform: translateY(-2px);
  border-color: #475569;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.device-name-group h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.device-alias {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-id-row {
  background: var(--bg-primary);
  padding: 8px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.device-id-code {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #38bdf8;
}

.card-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 0.8rem;
  margin-bottom: 16px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

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

.meta-val {
  color: var(--text-secondary);
  font-weight: 500;
}

.card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.card-actions {
  margin-top: auto;
  display: flex;
  gap: 8px;
}

/* Badges & Pills */
.badge {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-offline {
  background: rgba(100, 116, 139, 0.2);
  color: var(--text-muted);
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--success);
}

.status-dot.pulsing {
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--accent-color);
  color: #fff;
}

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

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

.btn-outline:hover {
  background: var(--bg-tertiary);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 0.78rem;
}

.btn-block {
  width: 100%;
}

/* Tables */
.panel-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--card-shadow);
}

.panel-header {
  margin-bottom: 20px;
}

.panel-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

.panel-header p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 4px;
}

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  padding: 12px 14px;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 600;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Config Grid */
.grid-2-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.config-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.config-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.config-key {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.config-val {
  font-size: 0.85rem;
  font-weight: 500;
}

.config-code {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  color: #38bdf8;
}

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ====================================================================
   Tier-1 RMM: Drawer, Modals, Quick Actions & Hardware Meters
   ==================================================================== */

.card-quick-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.btn-icon-sm {
  padding: 6px 10px;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-icon-sm:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent-color);
  color: #fff;
}

.btn-silent-screenshot {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.btn-silent-screenshot:hover {
  background: rgba(16, 185, 129, 0.3);
  border-color: #10b981;
}

.btn-view-only {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.btn-view-only:hover {
  background: rgba(245, 158, 11, 0.3);
  border-color: #f59e0b;
}

.card-metrics-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 10px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.strip-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

.strip-value {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.disk-meter {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin-top: 4px;
  overflow: hidden;
}

.disk-meter-fill {
  height: 100%;
  border-radius: 3px;
  background: #3b82f6;
  transition: width 0.3s ease;
}

.disk-meter-fill.low-space {
  background: #ef4444;
}

/* Modals & Slide-over Drawer */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  padding: 20px;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.6);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.drawer-tabs-nav {
  display: flex;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 16px;
  overflow-x: auto;
}

.drawer-tab-btn {
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: all 0.2s;
}

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

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

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

/* Quick Actions Cards */
.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.action-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: transform 0.2s, border-color 0.2s;
}

.action-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.action-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.action-card-icon {
  padding: 10px;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-card-icon.danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.action-card-icon.warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.action-card-icon.success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.action-card-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.action-card-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Detail Info Grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.detail-item {
  background: rgba(15, 23, 42, 0.5);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-item-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
  word-break: break-all;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 12px 18px;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease;
}

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

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

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