/* ==========================================================================
   IIAI Server Management Panel — Luxury Dark Theme
   ========================================================================== */

:root {
  --bg-base: #06080e;
  --bg-surface: #0c101a;
  --bg-surface-elevated: #131926;
  --bg-glass: rgba(16, 22, 36, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --border-active: rgba(85, 231, 255, 0.4);

  --text-main: #f0f4fc;
  --text-muted: #8b9bb4;
  --text-dim: #51627d;

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f00ff;
  --accent-emerald: #00e676;
  --accent-amber: #ffb300;
  --accent-rose: #ff3366;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 25px rgba(0, 242, 254, 0.15);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(79, 172, 254, 0.08), transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(127, 0, 255, 0.07), transparent 40%);
  background-attachment: fixed;
}

/* Glass panel */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

/* Top Navbar */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(6, 8, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #030712;
  font-weight: 800;
  font-size: 16px;
  box-shadow: var(--shadow-glow);
}

.brand-text h1 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-tabs {
  display: flex;
  gap: 6px;
  background: var(--bg-surface);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.nav-tab {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-tab:hover {
  color: var(--text-main);
}

.nav-tab.active {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(79, 172, 254, 0.15));
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

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

.pulse-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Layout container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Tab panes */
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* Bento Grid for Metrics */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

@media (max-width: 1024px) {
  .col-8, .col-6, .col-4, .col-3 { grid-column: span 12; }
}

.bento-card {
  padding: 22px;
  position: relative;
  overflow: hidden;
}

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

.card-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-val-big {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.card-val-sub {
  font-size: 13px;
  color: var(--text-muted);
}

/* Progress bar */
.bar-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 12px 0;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}

.bar-fill.warning {
  background: linear-gradient(90deg, var(--accent-amber), var(--accent-rose));
}

.bar-fill.danger {
  background: linear-gradient(90deg, var(--accent-rose), #e60039);
}

/* Disks Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 600;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

/* File Manager layout */
.file-manager {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  min-height: 650px;
}

@media (max-width: 900px) {
  .file-manager {
    grid-template-columns: 1fr;
  }
}

.sidebar-panel {
  padding: 18px;
  height: fit-content;
}

.sidebar-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.bookmark-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bookmark-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.bookmark-item:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-subtle);
}

.bookmark-item.active {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border-color: rgba(0, 242, 254, 0.25);
}

/* Breadcrumbs bar */
.fm-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
}

.crumb-btn {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  padding: 2px 6px;
  border-radius: 4px;
}

.crumb-btn:hover {
  background: rgba(0, 242, 254, 0.15);
}

.crumb-btn.current {
  color: var(--text-main);
  font-weight: 700;
  cursor: default;
}

.crumb-sep {
  color: var(--text-dim);
}

.fm-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #030712;
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-ghost:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-hover);
}

.btn-danger {
  background: rgba(255, 51, 102, 0.15);
  color: var(--accent-rose);
  border-color: rgba(255, 51, 102, 0.3);
}

.btn-danger:hover {
  background: rgba(255, 51, 102, 0.25);
}

/* File items row */
.file-row {
  cursor: pointer;
}

.file-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.file-name-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.file-icon {
  font-size: 18px;
  width: 22px;
  text-align: center;
}

/* Editor Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

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

.modal-window {
  width: 100%;
  max-width: 1100px;
  height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  flex: 1;
  padding: 0;
  overflow: hidden;
  position: relative;
}

.code-editor {
  width: 100%;
  height: 100%;
  background: #05070c;
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  padding: 16px;
  border: none;
  resize: none;
  outline: none;
  tab-size: 4;
}

.badge {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success { background: rgba(0, 230, 118, 0.15); color: var(--accent-emerald); }
.badge-warning { background: rgba(255, 179, 0, 0.15); color: var(--accent-amber); }
.badge-danger { background: rgba(255, 51, 102, 0.15); color: var(--accent-rose); }
.badge-web { background: rgba(0, 242, 254, 0.15); color: var(--accent-cyan); border: 1px solid rgba(0, 242, 254, 0.25); }
.badge-ai { background: rgba(127, 0, 255, 0.2); color: #d8b4fe; border: 1px solid rgba(127, 0, 255, 0.3); }
.badge-shield { background: rgba(79, 172, 254, 0.15); color: var(--accent-blue); border: 1px solid rgba(79, 172, 254, 0.25); }
.badge-db { background: rgba(255, 179, 0, 0.15); color: var(--accent-amber); border: 1px solid rgba(255, 179, 0, 0.25); }
.badge-admin { background: rgba(255, 51, 102, 0.15); color: var(--accent-rose); border: 1px solid rgba(255, 51, 102, 0.25); }
.badge-panel { background: rgba(0, 242, 254, 0.15); color: var(--accent-cyan); border: 1px solid rgba(0, 242, 254, 0.25); }
.badge-info { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); }