/* ==============================================================================
   SOF-XI ENTERPRISE — COMMAND RAIL DESIGN SYSTEM (v58.0)
   "Precision with Warmth" Visual Tokens & Unified Identity
   ============================================================================== */

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

:root {
  --sof-navy-950: #0A1024;
  --sof-navy-900: #101936;
  --sof-navy-800: #162447;
  --sof-navy-700: #1F3260;
  --sof-gold: #C7A447;
  --sof-gold-hover: #DFBD5F;
  --sof-gold-glow: rgba(199, 164, 71, 0.28);
  --sof-gold-subtle: rgba(199, 164, 71, 0.12);
  --sof-canvas: #F7F7F3;
  --sof-slate-text: #94A3B8;
  --sof-slate-border: rgba(255, 255, 255, 0.10);
  --sof-font-display: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
  --sof-font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --sof-font-mono: 'JetBrains Mono', monospace;
  --sof-rail-width: 68px;
  --sof-rail-expanded-width: 260px;
  --sof-z-command-rail: 99990;
}

/* Floating Dock & Rail Toggle */
#sofCommandRail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sof-rail-width);
  background: var(--sof-navy-950);
  border-right: 1px solid var(--sof-slate-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 16px 0;
  z-index: var(--sof-z-command-rail);
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  font-family: var(--sof-font-sans);
  user-select: none;
  overflow: visible;
}

#sofCommandRail.expanded {
  width: var(--sof-rail-expanded-width);
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.65);
}

/* Top Section: XI Motif & Brand */
.sof-rail-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.sof-brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  width: 100%;
  cursor: pointer;
  text-decoration: none;
  overflow: hidden;
}

.sof-xi-motif {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--sof-navy-800) 0%, var(--sof-navy-950) 100%);
  border: 1px solid var(--sof-gold);
  box-shadow: 0 0 14px var(--sof-gold-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sof-gold);
  font-family: var(--sof-font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.05em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sof-brand-container:hover .sof-xi-motif {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(199, 164, 71, 0.45);
}

.sof-brand-text {
  display: none;
  white-space: nowrap;
}

#sofCommandRail.expanded .sof-brand-text {
  display: block;
}

.sof-brand-title {
  font-family: var(--sof-font-display);
  font-weight: 800;
  font-size: 14.5px;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.sof-brand-title span {
  color: var(--sof-gold);
}

.sof-brand-subtitle {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sof-slate-text);
  margin-top: 2px;
}

/* Rail Divider */
.sof-rail-divider {
  width: calc(100% - 24px);
  height: 1px;
  background: var(--sof-slate-border);
  margin: 14px 0;
}

/* Nav Items Container */
.sof-rail-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 0 10px;
}

.sof-rail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--sof-slate-text);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  transition: all 0.15s ease;
  position: relative;
  cursor: pointer;
  white-space: nowrap;
}

.sof-rail-item:hover {
  background: var(--sof-navy-800);
  color: #FFFFFF;
}

.sof-rail-item.active {
  background: var(--sof-gold-subtle);
  border: 1px solid var(--sof-gold);
  color: var(--sof-gold-hover);
  box-shadow: 0 0 12px var(--sof-gold-glow);
}

.sof-rail-item.active .sof-item-icon {
  filter: drop-shadow(0 0 6px var(--sof-gold));
}

.sof-rail-item::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--sof-gold);
  border-radius: 0 2px 2px 0;
  transition: height 0.2s ease;
}

.sof-rail-item.active::before {
  height: 20px;
}

.sof-item-icon {
  font-size: 17px;
  width: 24px;
  min-width: 24px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sof-item-label {
  display: none;
  font-family: var(--sof-font-sans);
  font-weight: 600;
  color: inherit;
}

#sofCommandRail.expanded .sof-item-label {
  display: block;
}

/* Tooltips when rail is collapsed */
.sof-rail-item .sof-tooltip {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--sof-navy-900);
  border: 1px solid var(--sof-slate-border);
  color: #FFFFFF;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, transform 0.15s ease;
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
  z-index: 99999;
}

#sofCommandRail:not(.expanded) .sof-rail-item:hover .sof-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(2px);
}

/* Bottom Section: Tenant Pill & Toggle */
.sof-rail-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 0 10px;
  gap: 10px;
}

.sof-tenant-pill {
  width: 100%;
  background: var(--sof-navy-900);
  border: 1px solid var(--sof-slate-border);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: border-color 0.2s ease;
  overflow: hidden;
}

.sof-tenant-pill:hover {
  border-color: var(--sof-gold);
}

.sof-tenant-flag {
  font-size: 16px;
  min-width: 22px;
  text-align: center;
}

.sof-tenant-details {
  display: none;
  flex-direction: column;
  overflow: hidden;
}

#sofCommandRail.expanded .sof-tenant-details {
  display: flex;
}

.sof-tenant-name {
  font-size: 11.5px;
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.sof-tenant-tier {
  font-size: 9.5px;
  font-weight: 800;
  color: var(--sof-gold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 5px;
}

.sof-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
  display: inline-block;
}

/* Rail Expand/Collapse Toggle Button */
.sof-rail-toggle-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--sof-navy-800);
  border: 1px solid var(--sof-slate-border);
  color: var(--sof-slate-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sof-rail-toggle-btn:hover {
  background: var(--sof-navy-700);
  color: var(--sof-gold);
  border-color: var(--sof-gold);
}

/* Body margin adjustment to prevent Command Rail overlapping content */
body.sof-rail-active {
  margin-left: var(--sof-rail-width) !important;
  transition: margin-left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 768px) {
  #sofCommandRail {
    display: none; /* Mobile utilizes floating FAB toggle */
  }
  body.sof-rail-active {
    margin-left: 0 !important;
  }
}