@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.25);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-emerald: #059669;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  
  --card-radius: 16px;
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px -5px rgba(59, 130, 246, 0.15);
}

.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-glow: rgba(59, 130, 246, 0.2);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  
  --shadow-subtle: 0 4px 15px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.08);
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-subtle);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.glass-panel:hover {
  border-color: var(--border-glow);
}

/* Navigation & Header */
header {
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1540px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text p {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.nav-tabs {
  display: flex;
  gap: 0.35rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.tab-btn {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: white;
  background: var(--accent-blue);
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pulse-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.dot-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  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 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* Main Content Area */
main {
  flex: 1;
  max-width: 1540px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* KPI Summary Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.kpi-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-blue);
}

.kpi-card.green::after { background: var(--accent-green); }
.kpi-card.amber::after { background: var(--accent-amber); }
.kpi-card.purple::after { background: var(--accent-purple); }
.kpi-card.cyan::after { background: var(--accent-cyan); }

.kpi-info h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.kpi-subtitle {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.kpi-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent-blue);
}

/* Section Header */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Link Cards */
.link-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.link-card {
  padding: 1.5rem;
}

.link-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.link-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.link-badge {
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.link-badge.down {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.3);
}

.bandwidth-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.metric-box {
  background: rgba(0, 0, 0, 0.2);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.metric-val {
  font-size: 1.4rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
}

.metric-val.in { color: var(--accent-cyan); }
.metric-val.out { color: var(--accent-blue); }

.progress-bar-container {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* Chart Canvas Box */
.chart-container {
  height: 200px;
  position: relative;
  width: 100%;
  margin-top: 1rem;
}

/* Two-column layout */
.dashboard-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
  .dashboard-columns { grid-template-columns: 1fr; }
  .link-cards-grid { grid-template-columns: 1fr; }
}

/* Toner Cards */
.toner-card {
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-card);
}

.toner-gauge-wrapper {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toner-info {
  flex: 1;
}

.toner-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.toner-model {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.toner-stats {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
}

/* Proxmox Node Cards */
.proxmox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.pve-card {
  padding: 1.25rem;
}

.pve-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.pve-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.temp-badge {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.temp-cool { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.temp-warm { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.temp-hot { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }

.pve-metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.65rem;
  margin-bottom: 0.25rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.service-card {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-details h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.service-url {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 170px;
  display: block;
}

.service-url:hover {
  color: var(--accent-blue);
}

.service-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.status-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  text-transform: uppercase;
}

.status-healthy { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.status-warning { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.status-offline { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }

.service-latency {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  margin-top: 0.2rem;
}

/* Documentation Wiki Screen */
.docs-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  height: calc(100vh - 170px);
}

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; height: auto; }
}

.docs-sidebar {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.docs-search {
  position: relative;
  margin-bottom: 1rem;
}

.docs-search input {
  width: 100%;
  padding: 0.65rem 0.85rem 0.65rem 2.2rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
}

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

.docs-search svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  width: 16px;
  height: 16px;
}

.docs-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-right: 0.3rem;
}

.doc-item {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.doc-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.doc-item.active {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.4);
}

.doc-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-item-date {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.docs-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.btn-primary {
  flex: 1;
  background: var(--accent-blue);
  color: white;
  border: none;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.docs-viewer {
  padding: 2rem;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.doc-view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.doc-view-title h2 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.doc-view-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

.doc-view-actions {
  display: flex;
  gap: 0.5rem;
}

.markdown-body {
  line-height: 1.7;
  color: var(--text-main);
  flex: 1;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  color: var(--text-main);
}

.markdown-body h1 { font-size: 1.5rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; }
.markdown-body h2 { font-size: 1.25rem; }
.markdown-body h3 { font-size: 1.05rem; }

.markdown-body p { margin-bottom: 1rem; }

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.88rem;
}

.markdown-body th, .markdown-body td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.markdown-body th {
  background: rgba(255, 255, 255, 0.04);
  font-weight: 700;
}

.markdown-body code {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  font-size: 0.85em;
  color: #38bdf8;
}

.markdown-body pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.markdown-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  width: 100%;
  max-width: 650px;
  padding: 2rem;
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.dropzone {
  border: 2px dashed var(--border-glow);
  border-radius: 14px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  background: rgba(59, 130, 246, 0.03);
  transition: all 0.2s ease;
  margin-bottom: 1.25rem;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
}

.dropzone-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
}

/* Editor Modal Fullscreen */
.editor-box {
  max-width: 950px;
  height: 85vh;
  display: flex;
  flex-direction: column;
}

.editor-inputs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.editor-inputs input {
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 600;
}

.editor-inputs textarea {
  flex: 1;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  resize: none;
  outline: none;
}

/* Data Table */
.data-table-container {
  overflow-x: auto;
  border-radius: var(--card-radius);
}

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

.data-table th {
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.3);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
}

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

.device-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.device-up { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.device-down { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }