/* ========================================
   SysHealth — Dark Theme Dashboard
   ======================================== */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-card-hover: #21262d;
  --bg-input: #0d1117;
  --border: #30363d;
  --border-light: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --green-dim: #238636;
  --yellow: #d29922;
  --orange: #db6d28;
  --red: #f85149;
  --red-dim: #da3633;
  --purple: #bc8cff;
  --cyan: #39d2c0;
  --chart-blue: #58a6ff;
  --chart-green: #3fb950;
  --chart-orange: #d29922;
  --chart-red: #f85149;
  --chart-purple: #bc8cff;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --transition: 150ms ease;
}

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

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

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

/* ========================================
   Login Page
   ======================================== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
}

.login-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 40px;
  width: 380px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.login-logo h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  letter-spacing: -0.5px;
}

.login-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
  margin-bottom: 32px;
}

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

.input-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
}

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

.login-error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--red-dim);
  color: var(--red);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
}

#login-form button[type="submit"] {
  width: 100%;
  padding: 12px;
  background: var(--green-dim);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

#login-form button[type="submit"]:hover {
  background: var(--green);
}

#login-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ========================================
   Header
   ======================================== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.3px;
}

.nav {
  display: flex;
  gap: 4px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-connected {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.status-connecting {
  background: rgba(210, 153, 34, 0.15);
  color: var(--yellow);
}

.status-disconnected {
  background: rgba(248, 81, 73, 0.15);
  color: var(--red);
}

.redis-memory {
  font-size: 12px;
  color: var(--text-secondary);
}

.logout-btn {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all var(--transition);
}

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

/* ========================================
   Views
   ======================================== */
.view {
  display: none;
  padding: 24px;
}

.view.active {
  display: block;
}

.view-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

/* ========================================
   Server Grid (Overview)
   ======================================== */
.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
}

.server-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.server-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.server-card.offline {
  opacity: 0.6;
}

.server-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.server-name {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.online {
  background: var(--green);
  box-shadow: 0 0 6px rgba(63, 185, 80, 0.5);
  animation: pulse 2s infinite;
}

.status-dot.offline {
  background: var(--red);
}

.status-dot.stale {
  background: var(--yellow);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.role-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-primary {
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent);
}

.role-secondary {
  background: rgba(188, 140, 255, 0.15);
  color: var(--purple);
}

.role-worker {
  background: rgba(57, 210, 192, 0.15);
  color: var(--cyan);
}

.server-metrics {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  width: 55px;
  flex-shrink: 0;
}

.metric-bar-container {
  flex: 1;
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  margin: 0 10px;
  overflow: hidden;
}

.metric-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 500ms ease, background 500ms ease;
}

.metric-bar.bar-cpu {
  background: var(--chart-blue);
}

.metric-bar.bar-mem {
  background: var(--chart-green);
}

.metric-value {
  font-size: 13px;
  font-weight: 600;
  width: 50px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.server-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-secondary);
}

.raid-status {
  display: flex;
  align-items: center;
  gap: 4px;
}

.raid-ok {
  color: var(--green);
}

.raid-degraded {
  color: var(--red);
  font-weight: 600;
}

.network-throughput {
  font-variant-numeric: tabular-nums;
}

/* ========================================
   Server Detail View
   ======================================== */
.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.back-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  transition: all var(--transition);
}

.back-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.detail-ip {
  color: var(--text-secondary);
  font-size: 14px;
  font-family: 'SF Mono', Consolas, monospace;
}

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

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.detail-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.detail-card canvas {
  width: 100% !important;
  height: 200px !important;
}

.detail-card-wide {
  grid-column: span 3;
}

/* Disk bars */
.disk-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.disk-entry {
  display: flex;
  align-items: center;
  gap: 12px;
}

.disk-mount {
  font-size: 13px;
  font-family: 'SF Mono', Consolas, monospace;
  color: var(--text-secondary);
  width: 120px;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.disk-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
}

.disk-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 500ms ease;
}

.disk-info {
  font-size: 12px;
  color: var(--text-secondary);
  width: 160px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* RAID detail */
.raid-detail {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.raid-array {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border-radius: 6px;
  border-left: 3px solid var(--green);
}

.raid-array.raid-degraded-border {
  border-left-color: var(--red);
}

.raid-array-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.raid-array-name {
  font-weight: 600;
  font-size: 14px;
  min-width: 40px;
}

.raid-array-level {
  font-size: 12px;
  color: var(--text-muted);
}

.raid-array-size {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.raid-array-mount {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'SF Mono', Consolas, monospace;
}

.raid-array-usage-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.raid-array-usage {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  margin-left: auto;
}

.raid-array-usage-bar {
  display: inline-block;
  width: 60px;
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  overflow: hidden;
  vertical-align: middle;
  margin-right: 6px;
}

.raid-array-usage-fill {
  height: 100%;
  border-radius: 2px;
}

.raid-array-bottom {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--text-muted);
}

.raid-array-status {
  font-family: 'SF Mono', Consolas, monospace;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.raid-array-active {
  font-variant-numeric: tabular-nums;
}

.raid-array-devices {
  color: var(--text-muted);
}

.raid-array-health {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
}

.raid-healthy {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.raid-unhealthy {
  background: rgba(248, 81, 73, 0.15);
  color: var(--red);
}

/* PM2 Table */
.pm2-table-wrap {
  overflow-x: auto;
}

.pm2-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.pm2-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.pm2-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  font-variant-numeric: tabular-nums;
}

.pm2-status {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
}

.pm2-status-online {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.pm2-status-stopped {
  background: rgba(248, 81, 73, 0.15);
  color: var(--red);
}

.pm2-status-errored {
  background: rgba(248, 81, 73, 0.15);
  color: var(--red);
}

/* ========================================
   RAID Overview
   ======================================== */
.raid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 16px;
}

.raid-server-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.raid-server-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ========================================
   PM2 Logs
   ======================================== */
.logs-header {
  margin-bottom: 16px;
}

.logs-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.log-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.log-select:focus {
  border-color: var(--accent);
}

.log-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-primary);
  border-radius: 6px;
  padding: 2px;
}

.log-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

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

.log-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
}

.log-filter {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  width: 200px;
  outline: none;
  transition: border-color var(--transition);
}

.log-filter:focus {
  border-color: var(--accent);
}

.log-pause-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

.log-pause-btn:hover {
  border-color: var(--accent);
}

.log-pause-btn.paused {
  background: rgba(210, 153, 34, 0.15);
  border-color: var(--yellow);
  color: var(--yellow);
}

.log-output {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  line-height: 1.7;
  height: calc(100vh - 240px);
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.log-line {
  padding: 1px 0;
}

.log-line:hover {
  background: rgba(88, 166, 255, 0.05);
}

.log-time {
  color: var(--text-muted);
  margin-right: 8px;
}

.log-line-error {
  color: var(--red);
}

.log-line-info {
  color: var(--text-secondary);
}

.log-highlight {
  background: rgba(210, 153, 34, 0.3);
  border-radius: 2px;
  padding: 0 2px;
}

.log-empty {
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  padding: 40px;
}

/* ---- Metric text (inline values after bars) ---- */
.metric-text {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
}

/* ---- PM2 summary in overview cards ---- */
.pm2-summary {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.pm2-summary-error {
  color: var(--red);
  font-weight: 600;
}

.pm2-summary-restarts-high {
  color: var(--orange);
  font-weight: 600;
}

.pm2-summary-restarts-warn {
  color: var(--yellow);
}

/* ---- RAID device faulty flag ---- */
.raid-device-faulty {
  color: var(--red);
  font-weight: 600;
}

/* ---- SMART drive section in RAID view ---- */
.smart-section {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.smart-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.smart-drives {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.smart-drive {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px;
  background: var(--bg-primary);
  border-radius: 6px;
  border-left: 3px solid var(--green);
}

.smart-drive.smart-warn {
  border-left-color: var(--yellow);
}

.smart-drive.smart-critical {
  border-left-color: var(--red);
}

.smart-drive-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.smart-drive-name {
  font-weight: 600;
  color: var(--text-primary);
}

.smart-drive-model {
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.smart-drive-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 11px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.smart-stat-label {
  color: var(--text-muted);
}

.smart-stat-warn {
  color: var(--yellow);
  font-weight: 600;
}

.smart-stat-critical {
  color: var(--red);
  font-weight: 600;
}

/* ---- Log line server/app tags ---- */
.log-server {
  color: var(--accent);
  margin-right: 6px;
  font-weight: 600;
}

.log-app {
  color: var(--purple);
  margin-right: 6px;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .detail-card-wide {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    height: auto;
    padding: 12px;
    gap: 8px;
  }
  .header-left {
    flex-direction: column;
    gap: 8px;
  }
  .server-grid {
    grid-template-columns: 1fr;
  }
  .raid-grid {
    grid-template-columns: 1fr;
  }
  .logs-controls {
    flex-direction: column;
    align-items: flex-start;
  }
  .log-filter {
    width: 100%;
  }
}