*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--np-bg);
  color: var(--np-text);
  font-family: var(--np-font);
  font-size: 14px;
  line-height: 1.55;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--np-secondary);
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, color-mix(in srgb, var(--np-primary) 55%, transparent), color-mix(in srgb, var(--np-secondary) 45%, transparent));
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-color: var(--np-bg-deep);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  filter: blur(var(--np-bg-blur)) brightness(var(--np-bg-brightness));
  transform: scale(1.02);
  will-change: transform, filter, opacity;
}

body.bg-preset-cyber-grid .bg-layer {
  background-image:
    radial-gradient(900px 620px at 12% -6%, color-mix(in srgb, var(--np-primary) 42%, transparent), transparent 62%),
    radial-gradient(820px 560px at 88% 4%, color-mix(in srgb, var(--np-secondary) 30%, transparent), transparent 60%),
    radial-gradient(700px 520px at 50% 108%, color-mix(in srgb, var(--np-primary) 16%, transparent), transparent 65%),
    linear-gradient(color-mix(in srgb, var(--np-text) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--np-text) 5%, transparent) 1px, transparent 1px);
  background-size: auto, auto, auto, 46px 46px, 46px 46px;
}

body.bg-preset-aurora .bg-layer {
  background-image:
    radial-gradient(120% 90% at 8% 0%, color-mix(in srgb, var(--np-primary) 46%, transparent), transparent 55%),
    radial-gradient(110% 80% at 92% 12%, color-mix(in srgb, var(--np-secondary) 38%, transparent), transparent 58%),
    conic-gradient(from 210deg at 50% 55%, transparent 0deg, color-mix(in srgb, var(--np-primary) 14%, transparent) 90deg, transparent 200deg);
}

body.bg-preset-plain .bg-layer {
  background-image: radial-gradient(900px 600px at 20% -10%, color-mix(in srgb, var(--np-primary) 18%, transparent), transparent 62%);
}

body.bg-mode-image .bg-layer {
  background-image: var(--np-bg-image);
}

body.bg-mode-color .bg-layer {
  background-image: none;
  background-color: var(--np-bg-color, #0a0710);
}

.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--np-overlay);
  pointer-events: none;
}

.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(120% 100% at 50% 50%, transparent 42%, rgba(0, 0, 0, var(--np-vignette)) 100%);
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 4px);
  opacity: 0.5;
  mix-blend-mode: overlay;
  animation: scan-drift 9s linear infinite;
}

body.no-scanline .scanline {
  display: none;
}

@keyframes scan-drift {
  from {
    background-position-y: 0;
  }
  to {
    background-position-y: 120px;
  }
}

.app-root {
  position: relative;
  z-index: 1;
  height: 100vh;
  height: 100dvh;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--np-sidebar-w) minmax(0, 1fr);
  height: 100%;
}

.sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 14px;
  background: var(--np-glass-bg);
  backdrop-filter: blur(var(--np-glass-blur)) saturate(var(--np-glass-sat));
  -webkit-backdrop-filter: blur(var(--np-glass-blur)) saturate(var(--np-glass-sat));
  border-right: 1px solid var(--np-glass-border);
  overflow: hidden;
}

.sidebar::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--np-primary), var(--np-secondary), transparent);
  opacity: 0.55;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 14px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-size: 17px;
  font-weight: 700;
  color: #0a0710;
  background: linear-gradient(135deg, var(--np-primary), var(--np-secondary));
  clip-path: polygon(24% 0, 100% 0, 100% 76%, 76% 100%, 0 100%, 0 24%);
  box-shadow: var(--np-glow-primary);
  animation: brand-breathe 4.5s ease-in-out infinite;
}

body.motion-off .brand-mark,
body.motion-subtle .brand-mark {
  animation: none;
}

@keyframes brand-breathe {
  0%,
  100% {
    box-shadow: 0 0 0 1px rgba(255, 122, 182, 0.4), 0 0 18px rgba(255, 122, 182, 0.25);
  }
  50% {
    box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.45), 0 0 26px rgba(94, 234, 212, 0.32);
  }
}

.brand-text {
  min-width: 0;
}

.brand-title {
  font-family: var(--np-font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-sub {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--np-text-mute);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  padding-bottom: 6px;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--np-radius);
  color: var(--np-text-dim);
  cursor: pointer;
  transition: background var(--np-transition), color var(--np-transition), border-color var(--np-transition), transform var(--np-transition);
  user-select: none;
}

.nav-item:hover {
  color: var(--np-text);
  background: rgba(255, 255, 255, 0.055);
  transform: translateX(2px);
}

.nav-item.active {
  color: var(--np-text);
  background: linear-gradient(90deg, color-mix(in srgb, var(--np-primary) 18%, transparent), transparent);
  border-color: color-mix(in srgb, var(--np-primary) 34%, transparent);
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 18%;
  width: 3px;
  height: 64%;
  background: linear-gradient(180deg, var(--np-primary), var(--np-secondary));
  box-shadow: 0 0 12px color-mix(in srgb, var(--np-primary) 70%, transparent);
}

.nav-icon {
  width: 18px;
  text-align: center;
  font-size: 15px;
  opacity: 0.9;
}

.nav-label {
  font-size: 13px;
  letter-spacing: 0.02em;
}

.sidebar-foot {
  margin-top: auto;
  padding: 10px 8px 4px;
  border-top: 1px dashed var(--np-line);
  font-size: 11px;
  color: var(--np-text-mute);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--np-topbar-h);
  padding: 0 22px;
  border-bottom: 1px solid var(--np-line);
  background: color-mix(in srgb, var(--np-panel) 55%, transparent);
}

.page-title {
  font-family: var(--np-font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-title small {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--np-text-mute);
  font-weight: 400;
}

.topbar-spacer {
  flex: 1;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--np-line);
  background: rgba(255, 255, 255, 0.04);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--np-text-dim);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--np-success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--np-success) 20%, transparent);
  animation: dot-pulse 2s ease-in-out infinite;
}

.pulse-dot.off {
  background: var(--np-danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--np-danger) 20%, transparent);
  animation: none;
}

body.motion-off .pulse-dot,
body.motion-subtle .pulse-dot {
  animation: none;
}

@keyframes dot-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.clock {
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--np-text-mute);
  letter-spacing: 0.04em;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--np-line);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #0a0710;
  background: linear-gradient(135deg, var(--np-primary), var(--np-secondary));
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 22px;
  scroll-behavior: smooth;
}

.glitch {
  position: relative;
  display: inline-block;
}

body.glitch-on .glitch::before,
body.glitch-on .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  clip-path: inset(0 0 55% 0);
}

body.glitch-on .glitch::before {
  color: var(--np-secondary);
  transform: translate(-1.5px, -1px);
  opacity: 0.55;
  animation: glitch-a 5.5s steps(2, end) infinite;
}

body.glitch-on .glitch::after {
  color: var(--np-primary);
  transform: translate(1.5px, 1px);
  clip-path: inset(52% 0 0 0);
  opacity: 0.55;
  animation: glitch-b 6.5s steps(2, end) infinite;
}

@keyframes glitch-a {
  0%, 92%, 100% { transform: translate(-1.5px, -1px); opacity: 0.35; }
  93% { transform: translate(-4px, 1px); opacity: 0.7; }
  95% { transform: translate(3px, -2px); opacity: 0.55; }
}

@keyframes glitch-b {
  0%, 88%, 100% { transform: translate(1.5px, 1px); opacity: 0.35; }
  90% { transform: translate(4px, -1px); opacity: 0.7; }
  94% { transform: translate(-3px, 2px); opacity: 0.55; }
}

body.motion-off .glitch::before,
body.motion-off .glitch::after,
body.motion-subtle .glitch::before,
body.motion-subtle .glitch::after {
  display: none;
}

.hud-corners {
  position: relative;
}

.hud-corners::before,
.hud-corners::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid color-mix(in srgb, var(--np-secondary) 60%, transparent);
  pointer-events: none;
}

.hud-corners::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.hud-corners::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.mobile-bar {
  display: none;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 38% 0 0;
    z-index: 40;
    transform: translateX(-102%);
    transition: transform 220ms ease;
    box-shadow: 24px 0 60px rgba(0, 0, 0, 0.5);
  }

  body.nav-open .sidebar {
    transform: translateX(0);
  }

  .mobile-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--np-line);
    background: color-mix(in srgb, var(--np-panel) 60%, transparent);
  }

  .content {
    padding: 16px 14px 40px;
  }

  .page-title small,
  .clock {
    display: none;
  }
}