/* Nova Trillion — Glass Morphism System
   visionOS-grade depth. Multi-layer backdrop-filter. Rim light. Inner shadow.
*/

/* ─── Glass Panel (the workhorse) ──────────────────────────────── */
.glass {
  position: relative;
  background: var(--glass-1);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow:
    inset 0 1px 0 var(--rim-light),
    0 1px 0 var(--rim-shadow),
    var(--shadow-md);
  isolation: isolate;
  overflow: hidden;
}

.glass::before {
  /* top rim highlight gradient */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    oklch(85% 0.10 270 / 0.10) 0%,
    oklch(85% 0.10 270 / 0.02) 30%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 0;
}

.glass > * { position: relative; z-index: 1; }

/* ─── Glass elevations ─────────────────────────────────────────── */
.glass--raised {
  background: var(--glass-2);
  box-shadow:
    inset 0 1px 0 var(--rim-light),
    0 1px 0 var(--rim-shadow),
    var(--shadow-lg);
}

.glass--floating {
  background: var(--glass-3);
  box-shadow:
    inset 0 1px 0 var(--rim-light),
    0 1px 0 var(--rim-shadow),
    var(--shadow-xl);
}

.glass--accent {
  border-color: oklch(72% 0.190 268 / 0.40);
  box-shadow:
    inset 0 1px 0 oklch(82% 0.20 268 / 0.20),
    0 1px 0 var(--rim-shadow),
    0 16px 40px oklch(0% 0 0 / 0.45),
    0 0 64px oklch(72% 0.190 268 / 0.18);
}

/* ─── Hover gleam (Linear-style) ──────────────────────────────── */
.glass--interactive {
  cursor: pointer;
  transition:
    transform var(--t-base) var(--ease-out-soft),
    border-color var(--t-base) var(--ease-out-soft),
    box-shadow var(--t-base) var(--ease-out-soft);
}

.glass--interactive:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow:
    inset 0 1px 0 var(--rim-light),
    0 1px 0 var(--rim-shadow),
    var(--shadow-lg),
    0 0 48px oklch(72% 0.190 268 / 0.18);
}

.glass--interactive::after {
  /* moving gleam on hover */
  content: "";
  position: absolute;
  top: 0;
  left: var(--gleam-x, -50%);
  width: 50%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 30%,
    oklch(95% 0.10 270 / 0.06) 50%,
    transparent 70%
  );
  pointer-events: none;
  transition: --gleam-x 0.8s var(--ease-out);
  z-index: 0;
}

.glass--interactive:hover::after { --gleam-x: 150%; }

.glass--interactive:active {
  transform: translateY(0) scale(0.99);
  transition-duration: var(--t-fast);
}

/* ─── Pill / Chip ───────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 12px;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-norm);
  background: var(--glass-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-pill);
  color: var(--text-2);
  backdrop-filter: blur(12px);
}

.pill--accent { color: var(--nova-primary); border-color: oklch(72% 0.190 268 / 0.30); background: oklch(72% 0.190 268 / 0.08); }
.pill--success { color: var(--success); border-color: oklch(72% 0.170 152 / 0.30); background: oklch(72% 0.170 152 / 0.08); }
.pill--warning { color: var(--warning); border-color: oklch(80% 0.160 80 / 0.30); background: oklch(80% 0.160 80 / 0.08); }
.pill--danger  { color: var(--danger); border-color: oklch(67% 0.220 25 / 0.30); background: oklch(67% 0.220 25 / 0.08); }

/* ─── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 10px 18px;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-norm);
  background: var(--glass-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text);
  cursor: pointer;
  transition:
    transform var(--t-fast) var(--ease-out),
    background var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: var(--glass-3);
  border-color: var(--border-strong);
}

.btn:active { transform: scale(0.97); }
.btn:focus-visible { box-shadow: 0 0 0 3px oklch(72% 0.190 268 / 0.40); }

.btn--primary {
  background: linear-gradient(180deg, oklch(74% 0.20 268), oklch(64% 0.21 270));
  border-color: oklch(82% 0.20 268 / 0.50);
  color: oklch(98% 0.02 268);
  box-shadow:
    inset 0 1px 0 oklch(95% 0.10 268 / 0.35),
    0 1px 2px oklch(0% 0 0 / 0.40),
    0 8px 24px oklch(72% 0.190 268 / 0.30);
}

.btn--primary:hover {
  background: linear-gradient(180deg, oklch(78% 0.20 268), oklch(68% 0.21 270));
  box-shadow:
    inset 0 1px 0 oklch(95% 0.10 268 / 0.45),
    0 1px 2px oklch(0% 0 0 / 0.40),
    0 12px 32px oklch(72% 0.190 268 / 0.45);
}

.btn--ghost { background: transparent; border-color: var(--border-subtle); }
.btn--ghost:hover { background: var(--glass-1); }

.btn--icon { padding: 10px; aspect-ratio: 1; }

.btn--lg { padding: 14px 28px; font-size: var(--fs-base); border-radius: var(--r-lg); }

/* ─── Input field ───────────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--fs-sm);
  background: var(--glass-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: var(--text);
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out), background var(--t-base) var(--ease-out);
}

.input:hover { background: var(--glass-2); border-color: var(--border); }
.input:focus { background: var(--glass-2); border-color: var(--nova-primary); box-shadow: 0 0 0 3px oklch(72% 0.190 268 / 0.20); }
.input::placeholder { color: var(--text-faint); }

textarea.input { resize: vertical; min-height: 80px; line-height: var(--lh-norm); }

/* ─── Native popover ───────────────────────────────────────────── */
[popover] {
  background: var(--glass-3);
  border: 1px solid var(--border);
  border-radius: var(--r-2xl);
  padding: 0;
  color: var(--text);
  margin: auto;
  inset: 0;
  width: min(560px, 92vw);
  max-height: 88vh;
  overflow: auto;
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow:
    inset 0 1px 0 var(--rim-light),
    var(--shadow-xl),
    0 0 0 1px oklch(0% 0 0 / 0.5);
  transition:
    opacity var(--t-base) var(--ease-out),
    transform var(--t-base) var(--ease-out),
    overlay var(--t-base) allow-discrete,
    display var(--t-base) allow-discrete;
}

[popover]:not(:popover-open) { opacity: 0; transform: scale(0.96) translateY(8px); }

@starting-style {
  [popover]:popover-open { opacity: 0; transform: scale(0.96) translateY(8px); }
}

[popover]::backdrop {
  background: oklch(5% 0.01 268 / 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity var(--t-base) var(--ease-out), overlay var(--t-base) allow-discrete, display var(--t-base) allow-discrete;
}

@starting-style {
  [popover]:popover-open::backdrop { opacity: 0; }
}

/* ─── Stat card ────────────────────────────────────────────────── */
.stat {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding: var(--s-6);
}

.stat__label {
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: var(--tracking-mega);
  text-transform: uppercase;
  color: var(--text-3);
}

.stat__value {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.stat__delta {
  font-size: var(--fs-xs);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.stat__delta--up   { color: var(--success); }
.stat__delta--down { color: var(--danger); }

/* ─── Skeleton (loading) ───────────────────────────────────────── */
@keyframes skeleton-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-1) 0%,
    var(--glass-2) 50%,
    var(--glass-1) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s linear infinite;
  border-radius: var(--r-md);
}

/* ─── Aurora hero glow (real depth, not just gradient) ──────── */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--bg-0);
  overflow: hidden;
}

.aurora-bg::before, .aurora-bg::after {
  content: "";
  position: absolute;
  width: 80vmax;
  height: 80vmax;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
  mix-blend-mode: screen;
  pointer-events: none;
}

.aurora-bg::before {
  top: -30vmax;
  left: -20vmax;
  background: radial-gradient(circle, var(--nova-primary), transparent 60%);
  animation: aurora-drift-1 22s ease-in-out infinite;
}

.aurora-bg::after {
  bottom: -30vmax;
  right: -20vmax;
  background: radial-gradient(circle, var(--nova-magenta), transparent 60%);
  animation: aurora-drift-2 28s ease-in-out infinite;
}

@keyframes aurora-drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(15vw, 12vh) scale(1.1); }
}
@keyframes aurora-drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-15vw, -12vh) scale(1.15); }
}

/* Grain overlay — gives surfaces tactile feel */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='400' viewBox='0 0 400 400'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='3'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* ─── Page scaffolding ────────────────────────────────────────── */
#scroller {
  position: relative;
  z-index: 1;
  width: 100vw;
  height: 100dvh;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
#scroller::-webkit-scrollbar { display: none; }

.page {
  flex: 0 0 100vw;
  height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow-y: auto;
  overflow-x: hidden;
  padding: calc(var(--safe-t) + 84px) var(--s-7) calc(var(--safe-b) + 96px);
  position: relative;
  scrollbar-width: thin;
}

.page__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
}

/* Hero typography */
.h-display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  background: linear-gradient(180deg, var(--text) 30%, oklch(72% 0.19 268) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.h1 { font-size: var(--fs-5xl); font-weight: 600; line-height: var(--lh-tight); letter-spacing: var(--tracking-tight); }
.h2 { font-size: var(--fs-3xl); font-weight: 600; line-height: var(--lh-snug); letter-spacing: var(--tracking-snug); }
.h3 { font-size: var(--fs-xl); font-weight: 600; line-height: var(--lh-snug); }
.eyebrow { font-size: var(--fs-xs); font-weight: 500; letter-spacing: var(--tracking-mega); text-transform: uppercase; color: var(--nova-primary); }

.muted   { color: var(--text-3); }
.faint   { color: var(--text-faint); }
.mono    { font-family: var(--font-mono); font-feature-settings: 'ss06'; }
.tabular { font-variant-numeric: tabular-nums; }

/* Grid helpers */
.grid       { display: grid; gap: var(--s-5); }
.grid-2     { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3     { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4     { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto  { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

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

/* Top bar (fixed, glass) */
.topbar {
  position: fixed;
  top: var(--safe-t);
  left: 0; right: 0;
  height: 64px;
  padding: 0 var(--s-7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  background: oklch(8% 0.018 266 / 0.6);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  font-size: var(--fs-sm);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
}

.topbar__brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--nova-primary), var(--nova-magenta));
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: oklch(98% 0.02 268);
  box-shadow:
    inset 0 1px 0 oklch(95% 0.10 268 / 0.4),
    0 4px 12px oklch(72% 0.190 268 / 0.45);
}

.topbar__crumb {
  color: var(--text-3);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-mega);
  text-transform: uppercase;
}

.topbar__nav { display: flex; gap: var(--s-2); align-items: center; }

/* Page indicator */
.page-dots {
  position: fixed;
  bottom: calc(var(--safe-b) + 24px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  background: oklch(8% 0.018 266 / 0.55);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-pill);
  z-index: 1000;
}

.page-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: width var(--t-base) var(--ease-out), background var(--t-base) var(--ease-out);
  cursor: pointer;
  border: 0;
  padding: 0;
}

.page-dot.active {
  width: 22px;
  border-radius: 999px;
  background: var(--nova-primary);
  box-shadow: 0 0 16px oklch(72% 0.190 268 / 0.6);
}

/* Entry animations (for cards, with @starting-style) */
.enter {
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}
@starting-style {
  .enter { opacity: 0; transform: translateY(16px); }
}

/* Stagger helpers */
.stagger > * { animation: stagger-up var(--t-slow) var(--ease-out) backwards; }
.stagger > *:nth-child(1)  { animation-delay: 50ms; }
.stagger > *:nth-child(2)  { animation-delay: 100ms; }
.stagger > *:nth-child(3)  { animation-delay: 150ms; }
.stagger > *:nth-child(4)  { animation-delay: 200ms; }
.stagger > *:nth-child(5)  { animation-delay: 250ms; }
.stagger > *:nth-child(6)  { animation-delay: 300ms; }
.stagger > *:nth-child(7)  { animation-delay: 350ms; }
.stagger > *:nth-child(8)  { animation-delay: 400ms; }
.stagger > *:nth-child(n+9){ animation-delay: 450ms; }

@keyframes stagger-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Lucide icon defaults */
[data-lucide] { width: 18px; height: 18px; stroke: currentColor; flex-shrink: 0; }
.icon-lg [data-lucide], [data-lucide].lg { width: 24px; height: 24px; }
.icon-xl [data-lucide], [data-lucide].xl { width: 32px; height: 32px; }