:root {
  --primary-text-color: #1a1a1a;
  --secondary-text-color: #666;
  --background-color: #f7f7f7;
  --border-color: #e0e0e0;
  --accent-color: #007bff;
  --card-background-color: #fff;
  --font-family-main: "Inter", sans-serif;
  --font-family-mono: "Roboto Mono", monospace;
  --spacing-unit: 1rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-family-main);
  color: var(--primary-text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  overflow-x: hidden;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 4);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--card-background-color);
}
.logo {
  font-weight: 700;
  letter-spacing: 0.05em;
}
.nav {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
}
.nav-item {
  text-decoration: none;
  color: var(--primary-text-color);
  font-weight: 400;
  text-transform: uppercase;
  transition: color 0.3s ease;
}
.nav-item:hover {
  color: var(--accent-color);
}
#theme-switcher {
  cursor: pointer;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 4);
}
.hero {
  margin-bottom: calc(var(--spacing-unit) * 4);
  padding-bottom: calc(var(--spacing-unit) * 2);
  border-bottom: 1px solid var(--border-color);
}
.hero h1 {
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-unit);
}
.hero .dot {
  color: var(--accent-color);
}
.subtitle {
  font-size: 1.5rem;
  color: var(--secondary-text-color);
  margin-top: var(--spacing-unit);
}
.about-content p {
  margin-bottom: 1.5rem;
  color: var(--primary-text-color);
  font-size: 1rem;
  line-height: 1.7;
}
.about-content h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-text-color);
}
.about-content ul {
  list-style-position: outside;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.about-content li {
  margin-bottom: 0.5rem;
  font-family: var(--font-family-mono);
}
.about-content strong {
  font-family: var(--font-family-main);
  font-weight: 700;
  color: var(--primary-text-color);
  margin-right: 8px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 2);
}
.metric-card.large-card {
  grid-column: span 2;
}
.metric-card.full-width {
  grid-column: 1 / -1;
}

.metric-card {
  background-color: var(--card-background-color);
  border: 1px solid var(--border-color);
  padding: calc(var(--spacing-unit) * 2);
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  min-height: 200px;
}
.metric-label {
  font-size: 0.9rem;
  color: var(--secondary-text-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-unit);
}
.metric-value {
  font-family: var(--font-family-mono);
  font-size: 2.2rem;
  font-weight: 700;
}

.card-body,
.cpu-main-stats {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-top: auto;
}
.progress-bar {
  height: 100%;
  background-color: var(--accent-color);
  border-radius: 4px;
  transition: width 0.5s ease-out;
}

.fas,
.fab {
  margin-right: 10px;
  color: var(--secondary-text-color);
  width: 20px;
  text-align: center;
}

.cpu-main-stats {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--spacing-unit);
}
.cpu-temp-value {
  font-family: var(--font-family-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-text-color);
}
.cpu-temp-value .fas {
  margin-right: 8px;
  color: var(--accent-color);
}

.zfs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-family-mono);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-unit);
  padding-bottom: var(--spacing-unit);
  border-bottom: 1px solid var(--border-color);
}
.pool-name {
  font-weight: 700;
}
.pool-status {
  font-size: 0.9rem;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 700;
}
.pool-status.online {
  color: #28a745;
  background-color: rgba(40, 167, 69, 0.1);
}
.zfs-layout {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  margin-top: var(--spacing-unit);
}
.zfs-column {
  flex: 1;
}
.column-title {
  font-weight: 700;
  margin-bottom: var(--spacing-unit);
  display: block;
}
.zfs-tree {
  list-style-type: none;
  padding-left: 0;
  font-family: var(--font-family-mono);
}
.zfs-tree ul {
  list-style-type: none;
  padding-left: calc(var(--spacing-unit) * 2);
  margin-top: 0.5rem;
  border-left: 1px solid var(--border-color);
}
.zfs-tree li {
  padding: 0.4rem 0;
  position: relative;
}

.zfs-tree ul li {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  word-break: break-all;
}
.device-status {
  float: right;
  color: var(--secondary-text-color);
  font-size: 0.9rem;
}

.sysinfo-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-unit);
  height: 100%;
  justify-content: center;
}
.sysinfo-list li {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-family-mono);
  font-size: 1rem;
}
.sysinfo-list li span:first-child {
  color: var(--secondary-text-color);
}
.sysinfo-list li span:last-child {
  font-weight: 700;
  text-align: right;
}

.cache-stats-container {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 3);
  flex-grow: 1;
}
.cache-chart-container {
  text-align: center;
}
.cache-chart {
  width: 120px;
  height: 120px;
}
.chart-bg {
  fill: none;
  stroke: var(--border-color);
  stroke-width: 3;
}
.chart-circle {
  fill: none;
  stroke: var(--accent-color);
  stroke-width: 3;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dasharray 1s ease-out;
}
.chart-text {
  font-family: var(--font-family-mono);
  font-size: 5px;
  font-weight: 700;
  fill: var(--primary-text-color);
  text-anchor: middle;
}
.chart-label {
  font-size: 0.8rem;
  color: var(--secondary-text-color);
  text-transform: uppercase;
  margin-top: 0.5rem;
}
.cache-details {
  flex: 1;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cache-stat {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-family-mono);
  padding: 0.75rem 0;
}
.cache-stat span:first-child {
  color: var(--secondary-text-color);
}
.cache-stat .stat-value {
  font-weight: 700;
}
.cache-details hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0;
}

#streaming-card {
  justify-content: center;
}
.library-counts {
  display: flex;
  justify-content: space-around;
  text-align: center;
  flex-grow: 1;
  align-items: center;
  padding: var(--spacing-unit) 0;
}
.library-stat .count {
  display: block;
  font-family: var(--font-family-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
}
.library-stat .label {
  font-size: 1rem;
  color: var(--secondary-text-color);
}
.streaming-activity {
  display: flex;
  justify-content: space-around;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-unit);
  margin-top: var(--spacing-unit);
  font-family: var(--font-family-mono);
}
.activity-stat {
  color: var(--primary-text-color);
  font-size: 1.1rem;
}

.network-current-stats {
  display: flex;
  justify-content: space-around;
  font-family: var(--font-family-mono);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-unit);
}
.network-stat {
  text-align: center;
}
.network-stat span:first-child {
  font-size: 0.8rem;
  color: var(--secondary-text-color);
  text-transform: uppercase;
  display: block;
}
.network-stat span:first-child .fas {
  margin-right: 5px;
}
.network-stat span:last-child {
  font-weight: 700;
}
.network-chart-container {
  position: relative;
  height: 80px;
}
#ram-card .card-body {
  align-items: center;
}

.ram-usage-main {
  font-family: var(--font-family-mono);
  font-size: 1.5rem;
  font-weight: 700;
  white-space: nowrap;
}

.ram-usage-percent {
  font-family: var(--font-family-mono);
  font-size: 1.2rem;
  color: var(--secondary-text-color);
}
#disk-card .card-body {
  align-items: center;
}
#disk-card .ram-usage-main {
  font-size: 1.7rem;
}
#cpu-card .cpu-main-stats {
  align-items: center;
}
#docker-card .card-body {
  text-align: center;
}
#docker-card .metric-value.with-icon {
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
}
#docker-card .secondary-stats {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  margin-top: 1rem;
}
#docker-card .fab.fa-docker {
  color: #0db7ed;
}

@media (max-width: 1200px) {
  .zfs-tree ul li {
    max-width: calc((100vw - var(--spacing-unit) * 20) / 2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #ram-card .metric-value {
    font-size: 1.5rem;
  }
}
@media (min-width: 1000px) {
  #ram-card .metric-value {
    font-size: 1.7rem;
  }
}
@media (max-width: 900px) {
  .metric-card.large-card {
    grid-column: span 1;
  }
}

@media (max-width: 600px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .zfs-layout {
    flex-direction: column;
  }
  .cache-stats-container {
    flex-direction: column;
  }
  .library-counts {
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
  }
  .container {
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
  }
  .header {
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
  }
  .metrics-grid {
    width: 100%;
  }
  .zfs-tree ul li {
    max-width: calc((100vw - var(--spacing-unit) * 10));
  }
}

@media (max-width: 400px) {
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .container, .header {
    padding: 1rem;
  }
  
  .metric-card {
    min-width: 0;
    max-width: 100%;
  }
  
  .zfs-tree ul li {
    max-width: calc(100vw - 2rem);
    word-break: break-word;
    white-space: normal;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .cache-stats-container {
    gap: 1rem;
  }
  
  .library-counts {
    gap: 1rem;
  }
}

body.dark-mode {
  --primary-text-color: #e0e0e0;
  --secondary-text-color: #999;
  --background-color: #121212;
  --border-color: #333;
  --accent-color: #0099ff;
  --card-background-color: #1e1e1e;
}

body.dark-mode .pool-status.online {
  color: #66bb6a;
  background-color: rgba(102, 187, 106, 0.1);
}

body.dark-mode #docker-card .fab.fa-docker {
  color: #2496ed;
}

body.dark-mode a {
  color: var(--accent-color);
}

body.dark-mode .nav-item:hover {
  color: #ffffff;
}