:root {
  --bg-main: #0b0f17;
  --bg-panel: #111827;
  --bg-card: #1a2234;
  --bg-input: #0e1420;
  --border-subtle: #1f293d;
  --border-active: #3b82f6;
  
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-blue: #38bdf8;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #a855f7;

  --terminal-bg: #090d14;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  user-select: none;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* App Wrapper */
.app-wrapper {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Top Navigation */
.top-nav {
  height: 48px;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
}

.nav-left, .nav-center, .nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-icon {
  font-size: 1.2rem;
  color: var(--accent-yellow);
}

.brand-title {
  font-size: 0.95rem;
  color: #fff;
}

.badge {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Nav Metrics */
.quick-metric {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
}

.metric-label {
  font-weight: 600;
  color: var(--text-dim);
  font-size: 0.75rem;
}

.metric-bar-wrap {
  width: 60px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-green);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.cpu-fill {
  background: var(--accent-blue);
}

.metric-val {
  font-family: monospace;
  font-weight: 700;
  color: #fff;
  min-width: 32px;
}

.uptime-badge {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.refresh-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.refresh-selector select {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 4px 8px;
  border-radius: 4px;
  outline: none;
  font-size: 0.8rem;
}

/* Buttons */
.btn-primary {
  background: #2563eb;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.btn-ghost:hover {
  color: #fff;
  border-color: var(--text-muted);
}

.btn-icon {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
}

.btn-icon:hover {
  color: #fff;
  border-color: var(--accent-blue);
}

/* Split Container */
.split-container {
  flex: 1;
  display: flex;
  overflow: hidden;
  height: calc(100vh - 48px);
}

.split-pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.pane-left {
  width: 55%;
  min-width: 350px;
  background-color: var(--terminal-bg);
}

.pane-right {
  flex: 1;
  min-width: 350px;
  background-color: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

/* Resizer Handle */
.resizer {
  width: 6px;
  background: var(--border-subtle);
  cursor: col-resize;
  transition: background 0.2s;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.resizer:hover, .resizer.dragging {
  background: var(--accent-blue);
}

/* Terminal Styles */
.pane-header {
  height: 38px;
  background: #0f1523;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  flex-shrink: 0;
}

.pane-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #e2e8f0;
}

.pane-icon {
  font-family: monospace;
  color: var(--accent-green);
  font-weight: bold;
}

.pane-subinfo {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: monospace;
}

.terminal-body {
  flex: 1;
  overflow: hidden;
  padding: 6px 4px 6px 8px;
  background: var(--terminal-bg);
}

#terminal-container {
  height: 100%;
  width: 100%;
}

/* Right Monitor Styles */
.monitor-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  flex-shrink: 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.stat-badge {
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-green);
}

.cpu-badge {
  color: var(--accent-blue);
}

.progress-container {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #10b981, #059669);
  transition: width 0.3s ease, background 0.3s ease;
}

.stat-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.stat-details-grid strong {
  color: var(--text-main);
  font-family: monospace;
}

/* Summary Pills */
.summary-pills {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.pill {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s;
}

.pill:hover {
  border-color: var(--accent-blue);
}

.pill strong {
  color: #fff;
  font-family: monospace;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chrome-dot {
  background: #f59e0b;
}

.node-dot {
  background: #10b981;
}

/* Process Controls */
.process-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.search-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.search-wrap input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 7px 32px 7px 30px;
  color: var(--text-main);
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-wrap input:focus {
  border-color: var(--accent-blue);
}

.btn-clear {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
}

.filter-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 2px;
}

.filter-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-tab.active {
  background: var(--border-subtle);
  color: #fff;
  font-weight: 600;
}

/* Table */
.table-container {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: auto;
  position: relative;
}

.proc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  text-align: left;
}

.proc-table th {
  position: sticky;
  top: 0;
  background: #151d2d;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  z-index: 2;
}

.proc-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.proc-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.proc-title-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.proc-name {
  font-weight: 600;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  gap: 6px;
}

.proc-cmd {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.pid-pill {
  font-family: monospace;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mem-val, .cpu-val {
  font-family: monospace;
  font-weight: 600;
}

.mem-val {
  color: var(--accent-yellow);
}

.mem-pct {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-left: 4px;
}

.btn-kill-action {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-kill-action:hover {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}

.loading-cell {
  text-align: center;
  padding: 30px !important;
  color: var(--text-dim);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-card, .confirm-card {
  background: #131b2e;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.login-icon, .confirm-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.login-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
  margin-bottom: 24px;
  line-height: 1.4;
}

.input-group {
  position: relative;
  margin-bottom: 16px;
}

.input-group input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 42px 12px 14px;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

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

#toggle-pwd-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
}

.error-msg {
  color: var(--accent-red);
  font-size: 0.8rem;
  margin-top: 10px;
  min-height: 18px;
}

/* Confirm Card */
.confirm-details {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 12px;
  margin: 16px 0;
  text-align: left;
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.confirm-details strong {
  color: var(--text-dim);
}

.confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

.btn-warning {
  background: #f59e0b;
  color: #000;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger {
  background: #ef4444;
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  border-left: 4px solid var(--accent-blue);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  z-index: 2000;
  animation: slideIn 0.3s ease;
}

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