/* ═══════════════════════════════════════════════════════════════
   NOVA DESIGN SYSTEM — Components
   Requires: nova-tokens.css
   ═══════════════════════════════════════════════════════════════

   COMPONENT INDEX:
   1.  Reset & Base
   2.  Typography
   3.  Layout
   4.  Glass Cards
   5.  Buttons
   6.  Badges & Chips
   7.  Inputs & Forms
   8.  Navigation
   9.  Avatars & Status
   10. Tables
   11. Modals & Overlays
   12. Toasts & Alerts
   13. Progress & Metrics
   14. Aurora Background
   15. Animations & Keyframes
   16. Utilities
   ═══════════════════════════════════════════════════════════════ */

/* ═══ 1. RESET & BASE ═══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--nova-font);
  background: var(--nova-bg);
  color: var(--nova-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: var(--nova-font); }
ul, ol { list-style: none; }
input, textarea, select { font-family: var(--nova-font); }

/* Scrollbar */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--nova-bg); }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.35); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.6); }

/* ═══ 2. TYPOGRAPHY ═════════════════════════════════════════════ */

/* Display headings */
.nova-display-xl {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: var(--nova-weight-black);
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--nova-text-primary);
}

.nova-display-lg {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: var(--nova-weight-black);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--nova-text-primary);
}

.nova-display-md {
  font-size: clamp(28px, 4vw, 56px);
  font-weight: var(--nova-weight-bold);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--nova-text-primary);
}

.nova-heading-xl { font-size: var(--nova-text-3xl); font-weight: var(--nova-weight-bold); letter-spacing: -0.025em; line-height: 1.15; }
.nova-heading-lg { font-size: var(--nova-text-2xl); font-weight: var(--nova-weight-bold); letter-spacing: -0.02em; line-height: 1.2; }
.nova-heading-md { font-size: var(--nova-text-xl);  font-weight: var(--nova-weight-semi); letter-spacing: -0.015em; line-height: 1.3; }
.nova-heading-sm { font-size: var(--nova-text-lg);  font-weight: var(--nova-weight-semi); letter-spacing: -0.01em; line-height: 1.4; }

.nova-body-lg { font-size: var(--nova-text-md); color: var(--nova-text-secondary); line-height: 1.7; }
.nova-body-md { font-size: var(--nova-text-base); color: var(--nova-text-secondary); line-height: 1.65; }
.nova-body-sm { font-size: var(--nova-text-sm);  color: var(--nova-text-secondary); line-height: 1.6; }

.nova-label {
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nova-text-tertiary);
}

.nova-mono {
  font-family: var(--nova-font-mono);
  font-size: 13px;
  color: var(--nova-text-secondary);
}

/* Gradient text effect */
.nova-gradient-text {
  background: var(--nova-gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nova-gradient-text-brand {
  background: var(--nova-gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nova-gradient-text-cyan {
  background: var(--nova-gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nova-text-primary   { color: var(--nova-text-primary); }
.nova-text-secondary { color: var(--nova-text-secondary); }
.nova-text-tertiary  { color: var(--nova-text-tertiary); }
.nova-text-indigo    { color: var(--nova-indigo-light); }
.nova-text-green     { color: var(--nova-green-light); }
.nova-text-red       { color: var(--nova-red-light); }
.nova-text-amber     { color: var(--nova-amber-light); }
.nova-text-cyan      { color: var(--nova-cyan-light); }

/* ═══ 3. LAYOUT ═════════════════════════════════════════════════ */
.nova-container {
  max-width: var(--nova-max-width);
  margin: 0 auto;
  padding: 0 var(--nova-space-6);
  width: 100%;
}

.nova-section {
  padding: var(--nova-space-20) 0;
  position: relative;
}

.nova-grid-2  { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--nova-space-5); }
.nova-grid-3  { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--nova-space-5); }
.nova-grid-4  { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--nova-space-5); }
.nova-grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--nova-space-5); }

.nova-flex        { display: flex; }
.nova-flex-col    { display: flex; flex-direction: column; }
.nova-flex-center { display: flex; align-items: center; justify-content: center; }
.nova-items-center { align-items: center; }
.nova-justify-between { justify-content: space-between; }
.nova-gap-2  { gap: var(--nova-space-2); }
.nova-gap-3  { gap: var(--nova-space-3); }
.nova-gap-4  { gap: var(--nova-space-4); }
.nova-gap-6  { gap: var(--nova-space-6); }

@media (max-width: 1024px) { .nova-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px)  {
  .nova-grid-2, .nova-grid-3, .nova-grid-4 { grid-template-columns: 1fr; }
  .nova-container { padding: 0 var(--nova-space-4); }
  .nova-section   { padding: var(--nova-space-12) 0; }
}

/* ═══ 4. GLASS CARDS ════════════════════════════════════════════ */

/* Base glass card */
.nova-card {
  background: var(--nova-surface-01);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-xl);
  backdrop-filter: var(--nova-blur-md) saturate(180%);
  -webkit-backdrop-filter: var(--nova-blur-md) saturate(180%);
  padding: var(--nova-space-6);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--nova-transition-spring),
    border-color var(--nova-transition),
    box-shadow var(--nova-transition);
}

/* Inner top-left light reflection */
.nova-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.nova-card:hover {
  border-color: var(--nova-border-md);
  box-shadow: var(--nova-shadow-xl), 0 0 0 1px rgba(99,102,241,0.1);
}

/* Card variants */
.nova-card-sm { padding: var(--nova-space-4); border-radius: var(--nova-radius-lg); }
.nova-card-lg { padding: var(--nova-space-8); border-radius: var(--nova-radius-2xl); }

.nova-card-hover:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.25);
  box-shadow: var(--nova-shadow-xl), 0 0 60px rgba(99,102,241,0.08);
}

/* Glowing featured card */
.nova-card-featured {
  border-color: rgba(99,102,241,0.3);
  background: rgba(99,102,241,0.05);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.2), 0 20px 60px rgba(0,0,0,0.4), 0 0 80px rgba(99,102,241,0.08);
}

/* Solid dark card (less blur, for denser UIs like CRM) */
.nova-card-solid {
  background: var(--nova-bg-03);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-xl);
  padding: var(--nova-space-6);
  position: relative;
  overflow: hidden;
  transition: border-color var(--nova-transition), box-shadow var(--nova-transition);
}

.nova-card-solid:hover {
  border-color: var(--nova-border-md);
  box-shadow: var(--nova-shadow-lg);
}

/* Stat / metric card */
.nova-card-metric {
  background: var(--nova-surface-01);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-lg);
  padding: var(--nova-space-5) var(--nova-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--nova-space-2);
  transition: border-color var(--nova-transition);
  position: relative;
  overflow: hidden;
}

.nova-card-metric:hover { border-color: var(--nova-border-md); }

.nova-metric-label {
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-semi);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--nova-text-tertiary);
}

.nova-metric-value {
  font-size: var(--nova-text-3xl);
  font-weight: var(--nova-weight-black);
  letter-spacing: -0.04em;
  color: var(--nova-text-primary);
  line-height: 1;
}

.nova-metric-change {
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-semi);
  display: flex;
  align-items: center;
  gap: var(--nova-space-1);
}

.nova-metric-change.up    { color: var(--nova-green-light); }
.nova-metric-change.down  { color: var(--nova-red-light); }
.nova-metric-change.flat  { color: var(--nova-text-tertiary); }

/* ═══ 5. BUTTONS ════════════════════════════════════════════════ */

/* Base */
.nova-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--nova-space-2);
  padding: 10px 20px;
  border-radius: var(--nova-radius-md);
  font-family: var(--nova-font);
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-semi);
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--nova-transition-spring), opacity var(--nova-transition), box-shadow var(--nova-transition), background var(--nova-transition);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.nova-btn:active { transform: scale(0.97); }

/* Primary — gradient indigo/violet */
.nova-btn-primary {
  background: var(--nova-gradient-brand);
  color: white;
  box-shadow: 0 0 0 1px rgba(99,102,241,0.4), 0 4px 16px rgba(99,102,241,0.35);
}

.nova-btn-primary:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.5), 0 8px 24px rgba(99,102,241,0.4);
}

/* Inner shine on primary button */
.nova-btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

/* Secondary — ghost glass */
.nova-btn-secondary {
  background: var(--nova-surface-02);
  border-color: var(--nova-border-bright);
  color: var(--nova-text-primary);
  backdrop-filter: var(--nova-blur-sm);
  -webkit-backdrop-filter: var(--nova-blur-sm);
}

.nova-btn-secondary:hover {
  background: var(--nova-surface-03);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}

/* Ghost — outline only */
.nova-btn-ghost {
  background: transparent;
  border-color: rgba(99,102,241,0.35);
  color: var(--nova-indigo-light);
}

.nova-btn-ghost:hover {
  background: rgba(99,102,241,0.1);
  border-color: rgba(99,102,241,0.6);
}

/* Danger */
.nova-btn-danger {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.35);
  color: var(--nova-red-light);
}

.nova-btn-danger:hover {
  background: rgba(239,68,68,0.25);
  border-color: rgba(239,68,68,0.6);
}

/* Success */
.nova-btn-success {
  background: rgba(16,185,129,0.15);
  border-color: rgba(16,185,129,0.35);
  color: var(--nova-green-light);
}

.nova-btn-success:hover {
  background: rgba(16,185,129,0.25);
  border-color: rgba(16,185,129,0.6);
}

/* Sizes */
.nova-btn-xs { padding: 6px 12px;  font-size: var(--nova-text-xs); border-radius: var(--nova-radius-sm); }
.nova-btn-sm { padding: 8px 16px;  font-size: var(--nova-text-sm); }
.nova-btn-lg { padding: 14px 28px; font-size: var(--nova-text-base); border-radius: var(--nova-radius-lg); }
.nova-btn-xl { padding: 16px 32px; font-size: var(--nova-text-md);  border-radius: var(--nova-radius-lg); }

/* Icon button */
.nova-btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--nova-radius-md);
  background: var(--nova-surface-02);
  border: 1px solid var(--nova-border);
  color: var(--nova-text-secondary);
  flex-shrink: 0;
}

.nova-btn-icon:hover {
  background: var(--nova-surface-03);
  color: var(--nova-text-primary);
  border-color: var(--nova-border-md);
}

.nova-btn-icon-sm { width: 28px; height: 28px; border-radius: var(--nova-radius-sm); }
.nova-btn-icon-lg { width: 44px; height: 44px; border-radius: var(--nova-radius-lg); }

/* Glow effect (add to any .nova-btn-primary) */
.nova-btn-glow::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: radial-gradient(circle at center, rgba(99,102,241,0.4), transparent 70%);
  filter: blur(6px);
  opacity: 0;
  transition: opacity var(--nova-transition);
  z-index: -1;
  border-radius: inherit;
}

.nova-btn-glow:hover::before { opacity: 1; }

/* ═══ 6. BADGES & CHIPS ═════════════════════════════════════════ */

/* Section/feature badge */
.nova-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--nova-space-2);
  padding: 5px 14px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.22);
  border-radius: var(--nova-radius-full);
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-semi);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--nova-indigo-light);
}

/* Status badges */
.nova-status {
  display: inline-flex;
  align-items: center;
  gap: var(--nova-space-2);
  padding: 3px 10px;
  border-radius: var(--nova-radius-full);
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-semi);
}

.nova-status-success { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.25); color: var(--nova-green-light); }
.nova-status-warning { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.25); color: var(--nova-amber-light); }
.nova-status-danger  { background: rgba(239,68,68,0.12);  border: 1px solid rgba(239,68,68,0.25);  color: var(--nova-red-light); }
.nova-status-info    { background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); color: var(--nova-indigo-light); }
.nova-status-neutral { background: var(--nova-surface-02); border: 1px solid var(--nova-border); color: var(--nova-text-secondary); }

/* Dot indicator */
.nova-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.nova-dot-success { background: var(--nova-green);  box-shadow: 0 0 6px rgba(16,185,129,0.7); }
.nova-dot-warning { background: var(--nova-amber);  box-shadow: 0 0 6px rgba(245,158,11,0.7); }
.nova-dot-danger  { background: var(--nova-red);    box-shadow: 0 0 6px rgba(239,68,68,0.7); }
.nova-dot-info    { background: var(--nova-indigo); box-shadow: 0 0 6px rgba(99,102,241,0.7); }
.nova-dot-pulse   { animation: nova-dot-pulse 2s ease-in-out infinite; }

@keyframes nova-dot-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 currentColor; }
  50%       { opacity: 0.7; box-shadow: 0 0 0 4px transparent; }
}

/* Tag chip */
.nova-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: var(--nova-surface-02);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-full);
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-medium);
  color: var(--nova-text-secondary);
  cursor: default;
  transition: background var(--nova-transition), border-color var(--nova-transition);
}

.nova-tag:hover { background: var(--nova-surface-03); border-color: var(--nova-border-md); color: var(--nova-text-primary); }

/* Priority indicators */
.nova-priority-high   { color: var(--nova-red-light);   }
.nova-priority-medium { color: var(--nova-amber-light);  }
.nova-priority-low    { color: var(--nova-green-light); }

/* ═══ 7. INPUTS & FORMS ═════════════════════════════════════════ */

.nova-input-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--nova-space-2);
}

.nova-input-label {
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-medium);
  color: var(--nova-text-secondary);
}

.nova-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--nova-surface-01);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-md);
  font-size: var(--nova-text-sm);
  color: var(--nova-text-primary);
  outline: none;
  transition: border-color var(--nova-transition), box-shadow var(--nova-transition), background var(--nova-transition);
}

.nova-input::placeholder { color: var(--nova-text-tertiary); }

.nova-input:focus {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
  background: var(--nova-surface-02);
}

.nova-input:hover:not(:focus) { border-color: var(--nova-border-md); }

.nova-input-error       { border-color: rgba(239,68,68,0.5) !important; }
.nova-input-error:focus { box-shadow: 0 0 0 3px rgba(239,68,68,0.15) !important; }

.nova-input-success       { border-color: rgba(16,185,129,0.5) !important; }
.nova-input-success:focus { box-shadow: 0 0 0 3px rgba(16,185,129,0.15) !important; }

/* Input with icon */
.nova-input-group { position: relative; }
.nova-input-group .nova-input { padding-left: 40px; }
.nova-input-group .nova-input-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--nova-text-tertiary);
  pointer-events: none;
  width: 16px;
  height: 16px;
}

/* Search input */
.nova-search {
  width: 100%;
  padding: 9px 14px 9px 38px;
  background: var(--nova-surface-02);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-full);
  font-size: var(--nova-text-sm);
  color: var(--nova-text-primary);
  outline: none;
  transition: border-color var(--nova-transition), box-shadow var(--nova-transition);
}

.nova-search:focus {
  border-color: rgba(99,102,241,0.4);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

/* Select */
.nova-select {
  width: 100%;
  padding: 10px 36px 10px 14px;
  background: var(--nova-surface-01);
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-md);
  font-size: var(--nova-text-sm);
  color: var(--nova-text-primary);
  outline: none;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--nova-transition), box-shadow var(--nova-transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 4L6 8L10 4' stroke='rgba(255,255,255,0.35)' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.nova-select:focus {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.nova-select option { background: var(--nova-bg-03); color: var(--nova-text-primary); }

/* Toggle switch */
.nova-toggle {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.nova-toggle input { opacity: 0; width: 0; height: 0; }

.nova-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--nova-surface-03);
  border: 1px solid var(--nova-border-bright);
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--nova-transition);
}

.nova-toggle-slider::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 1px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform var(--nova-transition-spring);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.nova-toggle input:checked + .nova-toggle-slider {
  background: var(--nova-gradient-brand);
  border-color: transparent;
}

.nova-toggle input:checked + .nova-toggle-slider::after {
  transform: translateX(18px);
}

/* Checkbox */
.nova-checkbox-wrap {
  display: flex;
  align-items: center;
  gap: var(--nova-space-3);
  cursor: pointer;
}

.nova-checkbox {
  width: 17px;
  height: 17px;
  background: var(--nova-surface-01);
  border: 1px solid var(--nova-border-md);
  border-radius: var(--nova-radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--nova-transition), border-color var(--nova-transition);
}

.nova-checkbox.checked {
  background: var(--nova-gradient-brand);
  border-color: transparent;
}

/* ═══ 8. NAVIGATION ══════════════════════════════════════════════ */

/* Top nav bar */
.nova-topbar {
  height: var(--nova-nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--nova-space-6);
  gap: var(--nova-space-4);
  background: rgba(0,0,0,0.6);
  border-bottom: 1px solid var(--nova-border);
  backdrop-filter: var(--nova-blur-lg) saturate(200%);
  -webkit-backdrop-filter: var(--nova-blur-lg) saturate(200%);
  position: sticky;
  top: 0;
  z-index: var(--nova-z-overlay);
}

/* Sidebar */
.nova-sidebar {
  width: 240px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: rgba(0,0,0,0.7);
  border-right: 1px solid var(--nova-border);
  backdrop-filter: var(--nova-blur-md);
  -webkit-backdrop-filter: var(--nova-blur-md);
  display: flex;
  flex-direction: column;
  padding: var(--nova-space-4) var(--nova-space-3);
  gap: var(--nova-space-1);
  z-index: var(--nova-z-overlay);
  overflow-y: auto;
}

.nova-sidebar-section-label {
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nova-text-tertiary);
  padding: var(--nova-space-3) var(--nova-space-3) var(--nova-space-2);
  margin-top: var(--nova-space-2);
}

/* Nav item */
.nova-nav-item {
  display: flex;
  align-items: center;
  gap: var(--nova-space-3);
  padding: 9px var(--nova-space-3);
  border-radius: var(--nova-radius-md);
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-medium);
  color: var(--nova-text-secondary);
  cursor: pointer;
  transition: background var(--nova-transition), color var(--nova-transition);
  text-decoration: none;
  position: relative;
}

.nova-nav-item:hover {
  background: var(--nova-surface-02);
  color: var(--nova-text-primary);
}

.nova-nav-item.active {
  background: rgba(99,102,241,0.12);
  color: var(--nova-indigo-light);
  border: 1px solid rgba(99,102,241,0.18);
}

.nova-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 60%;
  background: var(--nova-indigo);
  border-radius: 0 2px 2px 0;
}

/* Breadcrumb */
.nova-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--nova-space-2);
  font-size: var(--nova-text-sm);
  color: var(--nova-text-tertiary);
}

.nova-breadcrumb a:hover { color: var(--nova-text-primary); }
.nova-breadcrumb-sep { opacity: 0.4; }
.nova-breadcrumb-current { color: var(--nova-text-primary); font-weight: var(--nova-weight-medium); }

/* Tabs */
.nova-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--nova-border);
  padding-bottom: 0;
}

.nova-tab {
  padding: 10px 18px;
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-medium);
  color: var(--nova-text-tertiary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--nova-transition), border-color var(--nova-transition);
  white-space: nowrap;
}

.nova-tab:hover { color: var(--nova-text-secondary); }

.nova-tab.active {
  color: var(--nova-indigo-light);
  border-bottom-color: var(--nova-indigo);
}

/* ═══ 9. AVATARS & STATUS ═══════════════════════════════════════ */

.nova-avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.nova-avatar-xs { width: 24px; height: 24px; }
.nova-avatar-sm { width: 32px; height: 32px; }
.nova-avatar-md { width: 40px; height: 40px; }
.nova-avatar-lg { width: 48px; height: 48px; }
.nova-avatar-xl { width: 64px; height: 64px; }

/* Gradient placeholder avatar */
.nova-avatar-placeholder {
  border-radius: 50%;
  background: var(--nova-gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-bold);
  color: white;
  flex-shrink: 0;
}

/* Avatar stack */
.nova-avatar-stack { display: flex; }
.nova-avatar-stack .nova-avatar,
.nova-avatar-stack .nova-avatar-placeholder {
  border: 2px solid var(--nova-bg);
  margin-left: -8px;
}
.nova-avatar-stack > :first-child { margin-left: 0; }

/* Online indicator */
.nova-avatar-wrap {
  position: relative;
  display: inline-flex;
}

.nova-avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--nova-bg);
}

.nova-avatar-status.online  { background: var(--nova-green); }
.nova-avatar-status.away    { background: var(--nova-amber); }
.nova-avatar-status.offline { background: var(--nova-text-tertiary); }
.nova-avatar-status.busy    { background: var(--nova-red); }

/* ═══ 10. TABLES ════════════════════════════════════════════════ */

.nova-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--nova-border);
  border-radius: var(--nova-radius-xl);
  background: var(--nova-surface-01);
}

.nova-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--nova-text-sm);
}

.nova-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: var(--nova-text-xs);
  font-weight: var(--nova-weight-semi);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--nova-text-tertiary);
  border-bottom: 1px solid var(--nova-border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--nova-transition);
}

.nova-table thead th:hover { color: var(--nova-text-secondary); }

.nova-table tbody tr {
  border-bottom: 1px solid var(--nova-border);
  transition: background var(--nova-transition);
  cursor: pointer;
}

.nova-table tbody tr:last-child { border-bottom: none; }

.nova-table tbody tr:hover { background: var(--nova-surface-02); }

.nova-table tbody td {
  padding: 13px 16px;
  color: var(--nova-text-secondary);
  vertical-align: middle;
}

.nova-table tbody td:first-child { color: var(--nova-text-primary); font-weight: var(--nova-weight-medium); }

/* ═══ 11. MODALS & OVERLAYS ══════════════════════════════════════ */

.nova-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: var(--nova-blur-sm);
  -webkit-backdrop-filter: var(--nova-blur-sm);
  z-index: var(--nova-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--nova-space-4);
  opacity: 0;
  transition: opacity var(--nova-transition);
  pointer-events: none;
}

.nova-overlay.open { opacity: 1; pointer-events: auto; }

.nova-modal {
  background: var(--nova-bg-02);
  border: 1px solid var(--nova-border-md);
  border-radius: var(--nova-radius-2xl);
  padding: var(--nova-space-8);
  width: 100%;
  max-width: 520px;
  position: relative;
  box-shadow: var(--nova-shadow-2xl);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--nova-transition-spring);
}

.nova-overlay.open .nova-modal { transform: scale(1) translateY(0); }

.nova-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--nova-space-6);
}

.nova-modal-title {
  font-size: var(--nova-text-xl);
  font-weight: var(--nova-weight-bold);
  letter-spacing: -0.02em;
}

.nova-modal-body { margin-bottom: var(--nova-space-8); }

.nova-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--nova-space-3);
}

/* Drawer (side panel) */
.nova-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 420px;
  max-width: 100%;
  background: var(--nova-bg-02);
  border-left: 1px solid var(--nova-border-md);
  z-index: var(--nova-z-modal);
  padding: var(--nova-space-8);
  display: flex;
  flex-direction: column;
  box-shadow: -40px 0 80px rgba(0,0,0,0.5);
  transform: translateX(100%);
  transition: transform var(--nova-transition-spring);
  overflow-y: auto;
}

.nova-drawer.open { transform: translateX(0); }

/* ═══ 12. TOASTS & ALERTS ════════════════════════════════════════ */

.nova-toast-container {
  position: fixed;
  top: var(--nova-space-6);
  right: var(--nova-space-6);
  z-index: var(--nova-z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--nova-space-3);
  max-width: 360px;
  width: 100%;
}

.nova-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--nova-space-3);
  padding: var(--nova-space-4) var(--nova-space-5);
  background: var(--nova-bg-02);
  border: 1px solid var(--nova-border-md);
  border-radius: var(--nova-radius-lg);
  box-shadow: var(--nova-shadow-xl);
  backdrop-filter: var(--nova-blur-lg);
  -webkit-backdrop-filter: var(--nova-blur-lg);
  animation: nova-toast-in 0.35s var(--nova-ease-spring);
}

@keyframes nova-toast-in {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

.nova-toast-success { border-left: 3px solid var(--nova-green); }
.nova-toast-error   { border-left: 3px solid var(--nova-red); }
.nova-toast-warning { border-left: 3px solid var(--nova-amber); }
.nova-toast-info    { border-left: 3px solid var(--nova-indigo); }

.nova-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--nova-space-3);
  padding: var(--nova-space-4) var(--nova-space-5);
  border-radius: var(--nova-radius-lg);
  font-size: var(--nova-text-sm);
  line-height: 1.6;
}

.nova-alert-success { background: rgba(16,185,129,0.1);  border: 1px solid rgba(16,185,129,0.25); color: var(--nova-green-light); }
.nova-alert-error   { background: rgba(239,68,68,0.1);   border: 1px solid rgba(239,68,68,0.25);  color: var(--nova-red-light); }
.nova-alert-warning { background: rgba(245,158,11,0.1);  border: 1px solid rgba(245,158,11,0.25); color: var(--nova-amber-light); }
.nova-alert-info    { background: rgba(99,102,241,0.1);  border: 1px solid rgba(99,102,241,0.25); color: var(--nova-indigo-light); }

/* ═══ 13. PROGRESS & METRICS ════════════════════════════════════ */

/* Progress bar */
.nova-progress-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--nova-space-2);
}

.nova-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--nova-text-sm);
  color: var(--nova-text-secondary);
}

.nova-progress {
  height: 4px;
  background: var(--nova-surface-03);
  border-radius: 99px;
  overflow: hidden;
}

.nova-progress-bar {
  height: 100%;
  background: var(--nova-gradient-brand);
  border-radius: 99px;
  transition: width 1s var(--nova-ease-out);
}

.nova-progress-bar.success { background: var(--nova-gradient-success); }
.nova-progress-bar.danger  { background: var(--nova-gradient-danger); }

.nova-progress-lg  { height: 8px; }
.nova-progress-xl  { height: 12px; border-radius: var(--nova-radius-sm); }

/* Circular progress */
.nova-circular {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nova-circular svg { transform: rotate(-90deg); }
.nova-circular-track { stroke: var(--nova-surface-03); }
.nova-circular-fill  { stroke: url(#nova-circle-grad); transition: stroke-dashoffset 1s var(--nova-ease-out); }
.nova-circular-label {
  position: absolute;
  font-size: var(--nova-text-sm);
  font-weight: var(--nova-weight-bold);
  color: var(--nova-text-primary);
}

/* Sparkline */
.nova-sparkline { width: 100%; height: 40px; }
.nova-sparkline svg { width: 100%; height: 100%; }

/* ═══ 14. AURORA BACKGROUND ══════════════════════════════════════ */

/* Add .nova-aurora-bg to any section/page wrapper */
.nova-aurora-bg {
  position: relative;
  isolation: isolate;
}

.nova-aurora-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 10% 20%, rgba(99,102,241,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 30%, rgba(139,92,246,0.14) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(6,182,212,0.10) 0%, transparent 60%);
  animation: nova-aurora-shift 20s ease-in-out infinite alternate;
}

@keyframes nova-aurora-shift {
  0%   { background-position: 0% 0%, 100% 30%, 50% 80%; }
  100% { background-position: 10% 20%, 85% 10%, 55% 90%; }
}

/* Dot grid overlay */
.nova-grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none;
}

/* Line grid overlay */
.nova-line-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* ═══ 15. ANIMATIONS & KEYFRAMES ════════════════════════════════ */

/* Float */
.nova-float {
  animation: nova-float 5s ease-in-out infinite;
}

@keyframes nova-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* Pulse glow */
.nova-pulse-glow {
  animation: nova-pulse-glow 2.5s ease-in-out infinite;
}

@keyframes nova-pulse-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(99,102,241,0.4); }
  50%       { box-shadow: 0 0 28px rgba(99,102,241,0.7), 0 0 60px rgba(99,102,241,0.2); }
}

/* Shimmer / skeleton */
.nova-shimmer {
  background: linear-gradient(90deg, var(--nova-surface-02) 25%, var(--nova-surface-03) 50%, var(--nova-surface-02) 75%);
  background-size: 200% 100%;
  animation: nova-shimmer 1.5s infinite;
}

@keyframes nova-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* Skeleton block */
.nova-skeleton {
  border-radius: var(--nova-radius-sm);
  height: 14px;
  background: linear-gradient(90deg, var(--nova-surface-02) 25%, var(--nova-surface-03) 50%, var(--nova-surface-02) 75%);
  background-size: 200% 100%;
  animation: nova-shimmer 1.5s infinite;
}

/* Reveal on scroll */
.nova-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--nova-ease), transform 0.6s var(--nova-ease);
  will-change: opacity, transform;
}

.nova-reveal.visible { opacity: 1; transform: translateY(0); }

/* Fade in */
.nova-fade-in { animation: nova-fade-in 0.5s var(--nova-ease) forwards; }
@keyframes nova-fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Scale in */
.nova-scale-in { animation: nova-scale-in 0.4s var(--nova-ease-spring) forwards; }
@keyframes nova-scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

/* Slide up */
.nova-slide-up { animation: nova-slide-up 0.45s var(--nova-ease-out) forwards; }
@keyframes nova-slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Typing cursor */
.nova-cursor-blink::after {
  content: '|';
  animation: nova-blink 1s step-end infinite;
  color: var(--nova-indigo-light);
  margin-left: 1px;
}

@keyframes nova-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Spinning loader */
.nova-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--nova-surface-03);
  border-top-color: var(--nova-indigo);
  border-radius: 50%;
  animation: nova-spin 0.7s linear infinite;
}

@keyframes nova-spin { to { transform: rotate(360deg); } }

/* ═══ 16. UTILITIES ═════════════════════════════════════════════ */

.nova-divider {
  width: 100%;
  height: 1px;
  background: var(--nova-border);
}

.nova-divider-glow {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--nova-indigo), transparent);
  opacity: 0.6;
}

/* Glow orb (decorative background element) */
.nova-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(var(--nova-blur-xl));
}

.nova-orb-indigo { background: radial-gradient(circle, rgba(99,102,241,0.3), transparent 70%); }
.nova-orb-violet { background: radial-gradient(circle, rgba(139,92,246,0.25), transparent 70%); }
.nova-orb-cyan   { background: radial-gradient(circle, rgba(6,182,212,0.2), transparent 70%); }

/* Truncate */
.nova-truncate     { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nova-line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nova-line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Visibility */
.nova-hidden   { display: none !important; }
.nova-sr-only  { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Spacing utilities */
.nova-mt-auto { margin-top: auto; }
.nova-ml-auto { margin-left: auto; }
.nova-mx-auto { margin-left: auto; margin-right: auto; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .nova-reveal { opacity: 1; transform: none; }
}