:root {
  --bg: #050505;
  --bg-layer: #0f0f0f;
  --bg-panel: #101010;
  --fg: #f5f5f5;
  --fg-soft: #bdbdbd;
  --fg-muted: #808080;
  --accent: #ffffff;
  --accent-soft: #dcdcdc;
  --border: #f5f5f5;
  --border-soft: #2d2d2d;
  --shadow: #000000;
  --shadow-soft: rgba(0, 0, 0, 0.65);
  --glow-soft: rgba(255, 255, 255, 0.2);
  --glow-strong: rgba(255, 255, 255, 0.45);
  --speed-slow: 18s;
  --speed-medium: 8s;
  --speed-fast: 0.45s;
}

@keyframes grid-shift {
  0% {
    background-position: 0 0, 0 0, 0 0;
  }

  50% {
    background-position: 0 0, 4px 2px, 0 0;
  }

  100% {
    background-position: 0 0, 0 4px, 0 0;
  }
}

@keyframes screen-sweep {
  0% {
    opacity: 0.3;
    transform: translateY(-12%);
  }

  50% {
    opacity: 0.15;
  }

  100% {
    opacity: 0.3;
    transform: translateY(12%);
  }
}

@keyframes crt-flicker {
  0%, 100% {
    opacity: 0.45;
  }

  50% {
    opacity: 0.35;
  }

  60% {
    opacity: 0.5;
  }
}

@keyframes glitch-shift {
  0% {
    clip-path: inset(0 0 0 0);
    transform: translate(0, 0);
  }

  20% {
    clip-path: inset(10% 0 0 0);
    transform: translate(-2px, -1px);
  }

  40% {
    clip-path: inset(0 0 14% 0);
    transform: translate(2px, 1px);
  }

  60% {
    clip-path: inset(40% 0 0 0);
    transform: translate(-1px, 0);
  }

  80% {
    clip-path: inset(0 0 45% 0);
    transform: translate(1px, 0);
  }

  100% {
    clip-path: inset(0 0 0 0);
    transform: translate(0, 0);
  }
}

@keyframes pixel-float {
  0% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -4px, 0);
  }

  100% {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes pixel-shimmer {
  0% {
    transform: translateX(-120%);
  }

  100% {
    transform: translateX(120%);
  }
}

@keyframes reveal-up {
  0% {
    opacity: 0;
    transform: translate3d(0, 26px, 0) scale(0.98);
  }

  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes pixel-loader-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.95;
  }

  50% {
    transform: scale(0.9);
    opacity: 0.55;
  }
}

@keyframes pixel-loader-hop {
  0% {
    transform: translate(-50%, -50%);
  }

  25% {
    transform: translate(-20%, -20%);
  }

  50% {
    transform: translate(-80%, -50%);
  }

  75% {
    transform: translate(-20%, -80%);
  }

  100% {
    transform: translate(-50%, -50%);
  }
}

@keyframes intro-rise {
  0% {
    opacity: 0;
    transform: translate3d(0, 26px, 0) scale(0.98);
    filter: blur(0.6px);
  }

  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0);
  }
}

@keyframes hero-scan {
  0% {
    opacity: 0;
    transform: translateY(-120%);
  }

  15% {
    opacity: 0.45;
  }

  100% {
    opacity: 0;
    transform: translateY(120%);
  }
}

@keyframes bar-flow {
  0% {
    background-position: 0% 50%;
  }

  100% {
    background-position: 200% 50%;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "VT323", "Press Start 2P", monospace;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.015em;
}

body {
  overflow-x: hidden;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 5, 0.75);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 8;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.progress-overlay {
  position: fixed;
  inset: 0;
  padding: 24px;
  display: grid;
  place-items: center;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(12px) saturate(140%);
  z-index: 22;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.progress-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

body.progress-open {
  overflow: hidden;
}

body.progress-open .progress-dialog {
  animation: reveal-up 0.45s cubic-bezier(0.16, 0.84, 0.44, 1) both, pixel-float calc(var(--speed-slow) * 0.9) ease-in-out infinite;
}

.progress-dialog {
  position: relative;
  width: min(460px, calc(100% - 32px));
  padding: 28px 24px 26px;
  border: 4px solid var(--border);
  background: var(--bg-panel);
  box-shadow: 8px 8px 0 var(--shadow);
  display: grid;
  gap: 18px;
  overflow: hidden;
}

.progress-dialog::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 45%, rgba(255, 255, 255, 0) 60%);
  mix-blend-mode: screen;
  opacity: 0.35;
}

.dialog-header {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
  z-index: 1;
}

.dialog-text h2 {
  margin: 0;
  font-size: 1rem;
  text-transform: uppercase;
}

.dialog-text p {
  margin: 6px 0 0;
  font-size: 0.92rem;
  color: var(--fg-soft);
  letter-spacing: 0.02em;
}

.progress-group.overlay {
  position: relative;
  display: grid;
  gap: 14px;
  z-index: 1;
}

.progress-group.overlay > div {
  display: grid;
  gap: 6px;
}

.progress-group.overlay .hint {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pixel-loader {
  position: relative;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
}

.pixel-loader::before {
  content: "";
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.08), 0 0 0 3px rgba(255, 255, 255, 0.05);
  animation: pixel-loader-pulse 1.4s steps(2, end) infinite;
}

.pixel-loader::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--fg);
  box-shadow: 3px 3px 0 var(--shadow);
  animation: pixel-loader-hop 0.9s steps(4, end) infinite;
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand,
.menu a,
.btn,
.card h3,
label,
.site-footer span {
  font-family: "Press Start 2P", "VT323", monospace;
  letter-spacing: 0.05em;
}

.pixel-theme {
  min-height: 100vh;
  position: relative;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 4px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 4px),
    var(--bg);
  background-size: 4px 4px, 4px 4px, auto;
  animation: grid-shift var(--speed-slow) linear infinite;
  will-change: background-position;
}

.pixel-theme::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0, transparent 60%),
    repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.12) 0, rgba(0, 0, 0, 0.12) 1px, transparent 1px, transparent 2px);
  mix-blend-mode: screen;
  opacity: 0.55;
  animation: screen-sweep calc(var(--speed-slow) * 1.1) ease-in-out infinite, crt-flicker 4.5s steps(2, end) infinite;
}

.pixel-theme::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.12), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(255, 255, 255, 0.08), transparent 50%),
    radial-gradient(circle at 50% 120%, rgba(0, 0, 0, 0.5), transparent 55%);
  mix-blend-mode: screen;
  opacity: 0.35;
}

a {
  color: var(--fg);
}

.pixel-reveal {
  opacity: 1;
  transform: none;
}

body.pixel-motion .pixel-reveal {
  opacity: 0;
  transform: translate3d(0, 26px, 0) scale(0.99);
  transition: opacity 0.45s ease, transform 0.6s cubic-bezier(0.16, 0.84, 0.44, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

body.pixel-motion .pixel-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  animation: reveal-up 0.7s cubic-bezier(0.16, 0.84, 0.44, 1) both;
  animation-delay: var(--reveal-delay, 0s);
}

.glitch-title {
  position: relative;
  display: inline-block;
  padding-right: 6px;
  white-space: normal;
  animation: glitch-shift calc(var(--speed-slow) * 0.65) steps(6, end) infinite;
}

.glitch-title::before,
.glitch-title::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
}

.glitch-title::before {
  color: rgba(255, 255, 255, 0.65);
  transform: translate3d(1px, 0, 0);
  animation: glitch-shift calc(var(--speed-fast) * 8) steps(12, end) infinite;
}

.glitch-title::after {
  color: rgba(200, 200, 200, 0.35);
  transform: translate3d(-1px, 0, 0);
  animation: glitch-shift calc(var(--speed-fast) * 10) steps(10, end) infinite reverse;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px clamp(20px, 4vw, 36px) 72px;
}

.container.nav {
  padding: 18px clamp(18px, 4vw, 32px);
}

.page {
  display: grid;
  gap: 32px;
}

.page > * {
  min-width: 0;
}

.stack {
  display: grid;
  gap: 20px;
}

.page-header,
.section-head {
  display: grid;
  gap: 10px;
  max-width: 72ch;
}

.page-header h1,
.section-head h2 {
  margin: 0;
}

.page-header p,
.section-head p {
  margin: 0;
  color: var(--fg-soft);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.section-head h2 {
  text-transform: uppercase;
  font-size: 1.05rem;
}

.page-header .glitch-title {
  font-size: 1.5rem;
  line-height: 1.3;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 var(--shadow);
}

.site-header {
  --nav-height: 86px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-layer);
  border-bottom: 4px solid var(--border);
  box-shadow: 0 6px 0 var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border: 3px solid var(--border);
  background: var(--bg-panel);
  color: var(--fg);
  box-shadow: 3px 3px 0 var(--shadow);
  cursor: pointer;
  gap: 12px;
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.nav-toggle:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

.nav-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow);
  background: var(--fg);
  color: var(--bg);
}

.nav-toggle:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.nav-toggle-label {
  font-size: 0.7rem;
}

.nav-toggle-box {
  display: grid;
  gap: 4px;
}

.nav-toggle-bar {
  width: 22px;
  height: 3px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

body.nav-open .nav-toggle {
  color: var(--bg);
}

body.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

body.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.brand {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--bg);
  background: var(--fg);
  border: 4px solid var(--border);
  box-shadow: 4px 4px 0 var(--shadow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.brand:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--shadow);
}

.menu {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  color: var(--fg);
  text-decoration: none;
  border: 3px solid var(--border);
  background: var(--bg-panel);
  box-shadow: 3px 3px 0 var(--shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.menu a.active,
.menu a[aria-current="page"] {
  background: var(--fg);
  color: var(--bg);
  box-shadow: 5px 5px 0 var(--shadow);
}

.menu a:hover,
.menu a:focus {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow);
  background: var(--fg);
  color: var(--bg);
}

.menu a:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.menu a:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 3px;
}

.menu a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
  transform: translateX(-120%);
  transition: transform 0.35s ease;
  mix-blend-mode: screen;
}

.menu a:hover::after,
.menu a:focus::after {
  transform: translateX(120%);
}

@media (max-width: 860px) {
  .nav {
    gap: 12px;
  }

  .menu {
    position: fixed;
    inset: calc(var(--nav-height, 86px) + 12px) 18px auto 18px;
    display: grid;
    gap: 14px;
    padding: 22px 20px;
    border: 4px solid var(--border);
    background: var(--bg-layer);
    box-shadow: 6px 6px 0 var(--shadow);
    width: min(320px, calc(100% - 36px));
    max-width: 360px;
    margin-left: auto;
    margin-right: 0;
    transform-origin: top right;
    transform: translate3d(0, -18px, 0) scale(0.96);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: transform 0.24s cubic-bezier(0.16, 0.84, 0.44, 1), opacity 0.24s ease, visibility 0.24s;
    z-index: 9;
  }

  .menu a {
    justify-content: flex-start;
    min-height: 52px;
    padding: 0 18px;
    font-size: 0.95rem;
    box-shadow: 3px 3px 0 var(--shadow);
  }

  .nav-toggle {
    display: inline-flex;
  }

  body.nav-open .menu {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

.site-footer {
  border-top: 4px solid var(--border);
  background: var(--bg-layer);
  padding: 24px 0;
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

body.home-intro [data-intro] {
  opacity: 0;
  transform: translate3d(0, 26px, 0) scale(0.98);
  will-change: opacity, transform;
}

body.home-intro.intro-play [data-intro] {
  animation: intro-rise 0.85s cubic-bezier(0.16, 0.84, 0.44, 1) both;
  animation-delay: var(--intro-delay, 0s);
}

body.home-intro.intro-play .card[data-intro] {
  animation: intro-rise 0.75s cubic-bezier(0.16, 0.84, 0.44, 1) both,
    pixel-float calc(var(--speed-slow) * 0.9) ease-in-out infinite;
}

.hero {
  position: relative;
  padding: 40px 0 28px;
  display: grid;
  gap: 20px;
  isolation: isolate;
  overflow: hidden;
}

.hero-intro {
  position: relative;
}

.hero-scan {
  position: absolute;
  inset: -80% -20%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 15%, rgba(255, 255, 255, 0.22) 45%, rgba(255, 255, 255, 0) 75%);
  mix-blend-mode: screen;
  opacity: 0;
  pointer-events: none;
  animation: hero-scan 4.6s ease-in-out infinite;
}

body.home-intro.intro-play .hero-scan {
  opacity: 0.35;
}

.hero h1 {
  margin: 0;
  font-size: 1.65rem;
  line-height: 1.3;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 var(--shadow);
}

.hero p {
  margin: 0;
  max-width: 60ch;
  font-size: 1.1rem;
  color: var(--fg-soft);
  letter-spacing: 0.01em;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0.3;
  filter: blur(0.5px);
  animation: pixel-float calc(var(--speed-slow) * 1.1) ease-in-out infinite;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 55%);
  mix-blend-mode: screen;
  opacity: 0.22;
  transform: translateX(-120%);
  animation: pixel-shimmer 6s linear infinite;
  pointer-events: none;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 12px 16px;
  border: 4px solid var(--border);
  background: var(--bg-panel);
  color: var(--fg);
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--shadow);
  letter-spacing: 0.06em;
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--px, 50%) var(--py, 50%), rgba(255, 255, 255, 0.45), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s ease;
  mix-blend-mode: screen;
  pointer-events: none;
}

.btn::after {
  content: "";
  position: absolute;
  inset: -55% -70%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
  transform: translateX(-120%);
  transition: transform 0.4s ease;
  mix-blend-mode: screen;
}

.btn:hover,
.btn:focus {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow);
  background: var(--fg);
  color: var(--bg);
}

.btn:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.btn:hover::before,
.btn:focus::before {
  opacity: 0.35;
}

.btn:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

.btn:hover::after,
.btn:focus::after {
  transform: translateX(120%);
}

.btn.primary {
  background: var(--fg);
  color: var(--bg);
}

.btn.primary:hover,
.btn.primary:focus {
  background: var(--bg-panel);
  color: var(--fg);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 4px solid var(--border);
  background: var(--bg-panel);
  color: var(--fg);
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--shadow);
  line-height: 1.5;
  position: relative;
  overflow: hidden;
  animation: pixel-float calc(var(--speed-slow) * 0.9) ease-in-out infinite;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease, color 0.2s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  opacity: 0.45;
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--px, 50%) var(--py, 50%), rgba(255, 255, 255, 0.35), transparent 65%),
    linear-gradient(120deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 55%);
  opacity: 0;
  transform: translateX(-120%);
  mix-blend-mode: screen;
  transition: opacity 0.25s ease;
}

.card:hover,
.card:focus {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow);
  background: var(--fg);
  color: var(--bg);
}

.card:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.card:hover::after,
.card:focus::after {
  opacity: 0.6;
  animation: pixel-shimmer 0.8s linear forwards;
}

.card h3 {
  margin: 0;
  text-transform: uppercase;
}

.card p {
  margin: 0;
  color: var(--fg-soft);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.panel-header {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 2px dashed var(--border-soft);
  margin-bottom: 4px;
}

.panel-header h2,
.panel-header h3 {
  margin: 0;
  font-size: 0.98rem;
  text-transform: uppercase;
}

.panel-header p {
  margin: 0;
  color: var(--fg-soft);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.advanced {
  border: 3px dashed var(--border-soft);
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 14px;
  display: grid;
  gap: 12px;
}

.advanced summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  user-select: none;
}

.advanced summary::-webkit-details-marker {
  display: none;
}

.advanced summary::after {
  content: "▾";
  margin-left: auto;
  transition: transform 0.2s ease;
}

.advanced[open] summary::after {
  transform: rotate(180deg);
}

.advanced-text {
  display: grid;
  gap: 4px;
}

.advanced-title {
  font-family: "Press Start 2P", "VT323", monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}

.advanced-sub {
  color: var(--fg-muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.advanced-body {
  display: grid;
  gap: 14px;
  padding-top: 4px;
}

form.panel,
.panel {
  padding: 24px;
  border: 4px solid var(--border);
  background: var(--bg-panel);
  box-shadow: 4px 4px 0 var(--shadow);
  display: grid;
  gap: 16px;
  line-height: 1.45;
  position: relative;
  overflow: hidden;
  animation: pixel-float calc(var(--speed-slow) * 1.1) ease-in-out infinite;
}

/* Accordion (details/summary) styling for panels */
details.panel {
  padding: 0; /* summary and body will handle padding */
}

details.panel summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  user-select: none;
}

details.panel[open] summary {
  background: rgba(255, 255, 255, 0.04);
}

details.panel summary:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

details.panel summary::-webkit-details-marker { display: none; }

details.panel summary h3 {
  margin: 0;
  text-transform: uppercase;
}

details.panel summary::after {
  content: '▸';
  margin-left: auto;
  transition: transform 0.2s ease;
}

details.panel[open] summary::after {
  transform: rotate(90deg);
}

details.panel .acc-body {
  padding: 0 20px 18px 20px;
}

form.panel::before,
.panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  opacity: 0.4;
  pointer-events: none;
}

form.panel::after,
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--px, 55%) var(--py, 45%), rgba(255, 255, 255, 0.28), transparent 65%),
    linear-gradient(120deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 55%);
  opacity: 0;
  transform: translateX(-120%);
  mix-blend-mode: screen;
  transition: opacity 0.25s ease;
}

form.panel:hover::after,
.panel:hover::after {
  opacity: 0.45;
  animation: pixel-shimmer 0.95s linear forwards;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--fg);
  letter-spacing: 0.04em;
}

.file-field {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 18px 16px;
  border: 3px dashed var(--border);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px var(--border-soft);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  animation: pixel-float calc(var(--speed-slow) * 1.05) ease-in-out infinite;
}

.file-field::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--px, 55%) var(--py, 45%), rgba(255, 255, 255, 0.28), transparent 65%),
    linear-gradient(120deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 55%);
  opacity: 0;
  transform: translateX(-120%);
  mix-blend-mode: screen;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.file-field:hover,
.file-field:focus-within {
  border-color: var(--fg);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.05);
}

.file-field.is-dragover {
  border-style: solid;
  border-color: var(--fg);
  background: rgba(255, 255, 255, 0.08);
}

.file-field:hover::before,
.file-field:focus-within::before {
  opacity: 0.55;
  animation: pixel-shimmer 1.2s linear forwards;
}

.file-input {
  position: absolute;
  inset: 0;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  pointer-events: none;
}

.file-name {
  display: block;
  padding: 10px 12px;
  border: 3px solid var(--border);
  background: var(--bg-layer);
  color: var(--fg-soft);
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  white-space: normal;
  word-break: break-word;
  min-height: 2.6rem;
  box-shadow: inset 0 0 0 1px var(--border-soft);
}

.file-field[data-empty="true"] .file-name {
  color: var(--fg-muted);
  opacity: 0.8;
}

.file-field .hint {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

input[type="text"],
input[type="number"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 3px solid var(--border);
  background: var(--bg-layer);
  color: var(--fg);
  font: inherit;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  box-shadow: inset 0 0 0 1px var(--border-soft);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

input::placeholder,
textarea::placeholder {
  color: var(--fg-muted);
  font-size: 0.85rem;
  font-family: inherit;
  line-height: 1.2;
  letter-spacing: 0.015em;
  opacity: 0.85;
}

input[type="file"] {
  margin-top: 8px;
  color: var(--fg-soft);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--fg);
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px 18px;
  align-items: end;
}

.row > label {
  min-width: 0;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: flex-start;
}

.two-col > * {
  min-width: 0;
}

.two-col.layout-uneven {
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
}

.two-col.layout-even {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.two-col.layout-even > * {
  height: 100%;
}

@media (max-width: 900px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .two-col.layout-even > * {
    height: auto;
  }

  .page-header,
  .section-head {
    max-width: 100%;
  }

  .container {
    padding: 28px clamp(18px, 5vw, 32px) 64px;
  }

  .hero {
    padding: 32px 0 24px;
    gap: 18px;
  }

  .hero h1 {
    font-size: 1.48rem;
  }
}

@media (max-width: 720px) {
  .row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .est-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .est-grid .est-value {
    justify-self: start;
    text-align: left;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .actions .btn {
    width: 100%;
  }

  .advanced {
    padding: 10px 12px;
  }

  .advanced-title {
    font-size: 0.74rem;
  }

  .advanced-sub {
    font-size: 0.86rem;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 24px clamp(16px, 6vw, 28px) 56px;
  }

  .container.nav {
    padding: 16px clamp(14px, 6vw, 24px);
  }

  .nav {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .brand {
    font-size: 0.78rem;
    padding: 9px 14px;
  }

  .hero {
    padding: 26px 0 20px;
    gap: 16px;
  }

  .hero h1 {
    font-size: 1.32rem;
    line-height: 1.28;
  }

  .hero p {
    font-size: 1rem;
  }

  .page-header .glitch-title {
    font-size: 1.28rem;
  }

  .page {
    gap: 26px;
  }

  .stack {
    gap: 16px;
  }

  .page-header p,
  .section-head p {
    font-size: 0.98rem;
  }

  .section-head h2 {
    font-size: 0.98rem;
  }

  .actions {
    gap: 12px;
  }

  .btn {
    min-width: 0;
    width: 100%;
    justify-content: center;
  }

  .grid {
    gap: 14px;
  }

  .card {
    padding: 20px 18px;
  }

  .est-row {
    padding: 8px 10px;
  }

  .file-field {
    padding: 16px 14px;
    gap: 10px;
  }

  .file-name {
    font-size: 0.9rem;
  }

  .row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .container.nav {
    padding: 14px 16px;
  }

  .est-grid {
    gap: 8px;
  }

  .est-row {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .est-grid .est-value {
    justify-self: start;
    text-align: left;
  }

  .menu {
    inset: calc(var(--nav-height, 86px) + 12px) 16px auto 16px;
    width: calc(100% - 32px);
  }

  .progress-dialog {
    width: calc(100% - 24px);
    padding: 24px 20px;
    gap: 16px;
  }

  .dialog-text p {
    font-size: 0.86rem;
  }

  .progress-group.overlay {
    gap: 12px;
  }
}

@media (max-width: 480px) {
  html,
  body {
    font-size: 16px;
  }

  .container {
    padding: 20px 14px 48px;
  }

  .container.nav {
    padding: 12px 14px;
  }

  .brand {
    font-size: 0.72rem;
    padding: 8px 12px;
  }

  .hero h1 {
    font-size: 1.2rem;
  }

  .hero p {
    font-size: 0.96rem;
  }

  .page-header .glitch-title {
    font-size: 1.18rem;
  }

  .page-header p,
  .section-head p {
    font-size: 0.92rem;
  }

  .page {
    gap: 22px;
  }

  .stack {
    gap: 14px;
  }

  .panel,
  form.panel {
    padding: 18px;
  }

  .panel-header {
    gap: 4px;
    padding-bottom: 10px;
  }

  .card {
    padding: 18px 16px;
  }

  .btn {
    padding: 10px 12px;
  }

  input[type="text"],
  input[type="number"],
  input[type="url"],
  select,
  textarea {
    padding: 10px 12px;
  }

  .file-field {
    padding: 14px 12px;
  }

  .advanced {
    padding: 10px;
  }

  .advanced summary {
    align-items: flex-start;
    gap: 10px;
  }

  .advanced-sub {
    font-size: 0.82rem;
  }

  .est-row {
    padding: 8px;
    gap: 8px;
  }
}

.hint {
  color: var(--fg-muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.hint-block {
  padding: 10px 12px;
  border: 2px dashed var(--border-soft);
  background: rgba(255, 255, 255, 0.03);
}

.hint.warn {
  color: var(--accent-soft);
}

.flash-stack {
  margin: 24px 0;
  display: grid;
  gap: 12px;
}

.flash {
  padding: 16px;
  border: 3px solid var(--border);
  background: var(--bg-layer);
  box-shadow: 3px 3px 0 var(--shadow);
  line-height: 1.4;
}

.flash.error {
  border-color: var(--fg);
  background: #1a1a1a;
}

.est-grid {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.est-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 2px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  min-width: 0;
}

.est-grid .est-label {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.est-grid .est-value {
  justify-self: end;
  text-align: right;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--fg);
  overflow-wrap: anywhere;
}

.preview {
  width: 100%;
  max-width: 640px;
  height: auto;
  border: 4px solid var(--border);
  background: var(--bg-layer);
  box-shadow: 4px 4px 0 var(--shadow);
}

.progress-group {
  margin-top: 18px;
}

.progress {
  height: 18px;
  border: 3px solid var(--border);
  background: var(--bg-layer);
  box-shadow: inset 0 0 0 1px var(--border-soft);
  overflow: hidden;
}

.progress .bar {
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.4), var(--fg), rgba(255, 255, 255, 0.4));
  background-size: 200% 100%;
  width: 0%;
  animation: bar-flow 2.6s linear infinite;
  transition: width 0.25s ease;
  will-change: width;
}

.progress.indeterminate .bar {
  position: relative;
  width: 35%;
  animation: indeterminate 1s steps(6) infinite;
}

ul,
ol {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 6px;
}

@keyframes indeterminate {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(300%);
  }
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  line-height: 1.45;
}

th,
td {
  border: 3px solid var(--border);
  padding: 12px 14px;
  text-align: left;
  letter-spacing: 0.02em;
}

th {
  background: var(--bg-layer);
}

code,
pre {
  font-family: "Press Start 2P", "Courier New", monospace;
  background: var(--bg-layer);
  padding: 6px 8px;
  border: 3px solid var(--border);
  display: inline-block;
}

pre {
  overflow-x: auto;
}

::-webkit-scrollbar {
  height: 12px;
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-layer);
}

::-webkit-scrollbar-thumb {
  background: var(--fg);
  border: 3px solid var(--bg-layer);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  body.home-intro [data-intro] {
    opacity: 1;
    transform: none;
    animation: none;
  }

  body.home-intro .hero-scan {
    display: none;
  }
}