/* ================================
   GRID DYNAMICS — Dashboard CSS v2
   Top Nav + Glassmorphism Edition
   ================================ */

/* ---- AMBIENT BACKGROUND ORBS ---- */
.ambient-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}
.ambient-orb-1 {
  width: 700px; height: 700px;
  top: -280px; left: -200px;
  background: radial-gradient(circle, rgba(0,229,255,0.07) 0%, transparent 65%);
  filter: blur(60px);
  animation: orbDrift1 18s ease-in-out infinite alternate;
}
.ambient-orb-2 {
  width: 600px; height: 600px;
  bottom: -200px; right: -150px;
  background: radial-gradient(circle, rgba(0,188,212,0.05) 0%, transparent 65%);
  filter: blur(60px);
  animation: orbDrift2 22s ease-in-out infinite alternate;
}
@keyframes orbDrift1 {
  from { transform: translate(0, 0); }
  to   { transform: translate(60px, 40px); }
}
@keyframes orbDrift2 {
  from { transform: translate(0, 0); }
  to   { transform: translate(-50px, -30px); }
}

/* ---- LAYOUT ---- */
.app-layout {
  display: grid;
  grid-template-rows: 60px 1fr;
  min-height: 100dvh;
  position: relative;
}

/* ---- TOPBAR ---- */
.topbar {
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-inline: var(--space-6);
  background: rgba(5, 10, 13, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Logo */
.topbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
  padding-right: var(--space-5);
  border-right: 1px solid var(--border);
  transition: opacity 0.2s;
}
.topbar-logo:hover { opacity: 0.85; }
.topbar-logo svg { flex-shrink: 0; }
.topbar-logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.topbar-logo .logo-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.15em;
}
.topbar-logo .logo-sub {
  font-size: 9px;
  color: var(--cyan);
  letter-spacing: 0.25em;
  font-family: var(--font-mono);
}

/* Top nav links */
.topbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  padding-left: var(--space-3);
}
.topbar-nav::-webkit-scrollbar { display: none; }

.topnav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  color: var(--text2);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  transition: all 0.2s var(--ease-cyber);
  position: relative;
  border: 1px solid transparent;
}
.topnav-link svg {
  width: 15px;
  height: 15px;
  stroke-width: 1.75;
  flex-shrink: 0;
}
.topnav-link:hover {
  color: var(--text);
  background: var(--p-blue);
  border-color: var(--border);
}
.topnav-link.active {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.2);
}
.topnav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px 2px 0 0;
  box-shadow: 0 0 8px rgba(0,229,255,0.7);
}

/* Topbar right actions */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  flex-shrink: 0;
}
.topbar-icon-btn {
  position: relative;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text2);
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.topbar-icon-btn svg {
  width: 18px; height: 18px;
  stroke-width: 1.75;
}
.topbar-icon-btn:hover {
  color: var(--cyan);
  background: var(--p-blue);
}
.topbar-icon-btn .badge-dot {
  position: absolute;
  top: 7px; right: 7px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  border: 1.5px solid var(--bg);
  box-shadow: 0 0 6px var(--cyan);
}

/* User chip */
.user-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  user-select: none;
}
.user-chip:hover { border-color: rgba(0,229,255,0.35); }
.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--p-green);
  border: 1px solid var(--border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}
.user-avatar svg { width: 15px; height: 15px; stroke-width: 1.75; }
.user-chip-info { display: flex; flex-direction: column; line-height: 1.2; }
.user-chip-info strong {
  font-size: 12px;
  color: var(--text);
  font-weight: 700;
}
.user-chip-info span { font-size: 10px; color: var(--text3); }
.user-chip .chevron {
  width: 13px; height: 13px;
  stroke-width: 2.5;
  color: var(--text3);
  transition: transform 0.25s var(--ease-cyber);
  flex-shrink: 0;
}
.user-chip.open .chevron { transform: rotate(180deg); }

/* User dropdown */
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: rgba(8, 18, 23, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: 200;
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.2s var(--ease-cyber), transform 0.2s var(--ease-cyber);
}
.user-chip.open .user-dropdown {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.user-dropdown-header {
  padding: var(--space-3) var(--space-3) var(--space-2);
  font-size: var(--text-xs);
  color: var(--text3);
  letter-spacing: 0.05em;
}
.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  color: var(--text2);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-ui);
}
.user-dropdown-item svg { width: 15px; height: 15px; stroke-width: 1.75; flex-shrink: 0; }
.user-dropdown-item:hover { color: var(--text); background: var(--p-blue); }
.user-dropdown-item.danger { color: #ff3250; }
.user-dropdown-item.danger:hover { background: rgba(255, 50, 80, 0.1); }
.user-dropdown-divider { height: 1px; background: var(--border); margin: var(--space-1) 0; }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  color: var(--text2);
  border-radius: var(--radius);
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.nav-toggle svg { width: 20px; height: 20px; stroke-width: 2; }
.nav-toggle:hover { color: var(--cyan); background: var(--p-blue); }

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0; bottom: 0;
  background: rgba(5, 10, 13, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 90;
  flex-direction: column;
  padding: var(--space-6) var(--space-4);
  gap: var(--space-1);
  overflow-y: auto;
  border-top: 1px solid var(--border);
}
.nav-drawer.open { display: flex; }
.nav-drawer .topnav-link {
  font-size: var(--text-base);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
}
.nav-drawer .topnav-link::after { display: none; }
.nav-drawer-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-3) 0;
}

/* ---- MAIN CONTENT ---- */
.main-content {
  grid-row: 2;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg);
  padding: var(--space-8);
  position: relative;
  z-index: 1;
}

/* ---- GLASSMORPHISM CARDS ---- */
.glass-card {
  background: rgba(10, 26, 32, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  pointer-events: none;
}
.glass-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Keep .card compatible with glassmorphism */
.card {
  background: rgba(10, 26, 32, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  pointer-events: none;
}
.card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow);
}

/* ---- PAGE HEADER ---- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.page-header-info { display: flex; flex-direction: column; gap: var(--space-1); }
.page-header-info h1 { font-size: var(--text-xl); color: var(--text); }
.page-header-info p { color: var(--text2); font-size: var(--text-sm); }
.page-header-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---- KPI GRID ---- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.kpi-card {
  background: rgba(10, 26, 32, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: all 0.25s var(--ease-cyber);
}
.kpi-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  pointer-events: none;
}
.kpi-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.kpi-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: var(--p-blue);
  border: 1px solid rgba(0, 229, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: var(--space-4);
}
.kpi-icon svg { width: 20px; height: 20px; stroke-width: 1.5; }
.kpi-label {
  font-size: var(--text-xs);
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.kpi-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-ui);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.kpi-value span { font-size: var(--text-sm); color: var(--text3); font-weight: 400; margin-left: 2px; }
.kpi-trend {
  font-size: var(--text-xs);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.kpi-trend svg { width: 12px; height: 12px; stroke-width: 2.5; }
.kpi-trend.up    { color: #00e564; }
.kpi-trend.down  { color: #ff3250; }
.kpi-trend.neutral { color: var(--text3); }

/* ---- GRIDS ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-4); }

/* ---- TABLE ---- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(10, 26, 32, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead tr {
  background: rgba(0, 229, 255, 0.03);
  border-bottom: 1px solid var(--border);
}
.data-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text);
  border-bottom: 1px solid rgba(0, 229, 255, 0.06);
  vertical-align: middle;
}
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover { background: var(--p-blue); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ---- CHART AREA ---- */
.chart-area {
  background: rgba(10, 26, 32, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  min-height: 280px;
}
.chart-area canvas { width: 100% !important; }
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.chart-title { font-size: var(--text-base); font-weight: 700; color: var(--text); }
.chart-legend { display: flex; gap: var(--space-4); font-size: var(--text-xs); flex-wrap: wrap; }
.legend-dot {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text2);
}
.legend-dot::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c, var(--cyan));
  box-shadow: 0 0 6px var(--c, var(--cyan));
}

/* Time filter pills */
.time-filter {
  display: flex;
  gap: 2px;
  background: rgba(0, 229, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3px;
}
.time-filter-btn {
  padding: 3px var(--space-3);
  border-radius: var(--radius-lg);
  font-size: 11px;
  font-weight: 700;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.2s;
  background: none;
  border: none;
  letter-spacing: 0.05em;
  font-family: var(--font-ui);
}
.time-filter-btn:hover { color: var(--text2); }
.time-filter-btn.active {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

/* ---- PROJECT CARD (dashboard) ---- */
.project-card {
  transition: all 0.25s var(--ease-cyber);
  cursor: default;
}
.project-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.project-card-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ---- EDITOR LAYOUT ---- */
.editor-layout {
  display: grid;
  grid-template-columns: 220px 1fr 260px;
  height: calc(100dvh - 60px);
  background: var(--bg);
}
.editor-sidebar-l, .editor-sidebar-r {
  background: rgba(8, 18, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: var(--space-4);
}
.editor-sidebar-r { border-right: none; border-left: 1px solid var(--border); }
.editor-canvas-wrap { background: var(--bg); position: relative; overflow: hidden; }
#topology-canvas { display: block; cursor: crosshair; }
.editor-toolbar {
  position: absolute;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  background: rgba(8, 18, 23, 0.92);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
}
.editor-tool-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text2);
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.editor-tool-btn svg { width: 18px; height: 18px; stroke-width: 1.75; }
.editor-tool-btn:hover,
.editor-tool-btn.active {
  color: var(--cyan);
  background: var(--p-blue);
}
.component-palette h4 {
  font-size: var(--text-xs);
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.palette-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: var(--space-2);
  cursor: grab;
  transition: all 0.2s;
  background: rgba(10, 26, 32, 0.4);
}
.palette-item:hover { border-color: rgba(0, 229, 255, 0.3); background: var(--p-blue); }
.palette-item:active { cursor: grabbing; }
.palette-item svg { width: 20px; height: 20px; stroke-width: 1.5; color: var(--cyan); }
.palette-item span { font-size: var(--text-sm); color: var(--text); }
.props-panel h4 {
  font-size: var(--text-xs);
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.no-selection {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text3);
  text-align: center;
  gap: var(--space-3);
}
.no-selection svg { width: 40px; height: 40px; stroke-width: 1; }
.no-selection p { font-size: var(--text-sm); max-width: 20ch; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .editor-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    height: auto;
    min-height: calc(100dvh - 60px);
  }
  .editor-sidebar-l, .editor-sidebar-r {
    border: none;
    border-bottom: 1px solid var(--border);
  }
  .editor-canvas-wrap { height: 50dvh; }
  .topbar-nav { display: none; }
  .nav-toggle { display: flex; }
  .topbar { gap: var(--space-2); padding-inline: var(--space-4); }
  .topbar-logo { padding-right: var(--space-3); }
  .user-chip-info { display: none; }
  .user-chip { padding: var(--space-2); }
  .user-chip .chevron { display: none; }
}
@media (max-width: 768px) {
  .main-content { padding: var(--space-4); }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
  .chart-header { flex-direction: column; align-items: flex-start; }
}