/* ============================================================
   GATED-8BIT — Xbox Streaming VM Simulator
   Static, self-contained, WCAG-AA aware, dark CRT default.
   ============================================================ */

:root {
  --bg: #07090c;
  --bg-2: #0d1118;
  --bg-3: #131a23;
  --panel: #0f141c;
  --panel-edge: #1f2a38;
  --fg: #e6f4d8;
  --fg-soft: #aec5a0;
  --fg-mute: #7d937a;
  --green: #b6f095;
  --green-deep: #5fb061;
  --amber: #ffae42;
  --red: #ff6a6a;
  --blue: #79c8ff;
  --violet: #c8a8ff;
  --shadow: 0 2px 0 #000, 0 0 0 1px var(--panel-edge);
  --radius: 6px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Consolas, Menlo, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --scan-opacity: 0.18;
  --crt-curve: 0;
}

/* high contrast mode (toggled by JS) */
:root.hi-contrast {
  --bg: #000;
  --bg-2: #000;
  --bg-3: #060606;
  --panel: #000;
  --panel-edge: #ffffff;
  --fg: #ffffff;
  --fg-soft: #ffffff;
  --fg-mute: #d8d8d8;
  --green: #80ff80;
  --green-deep: #80ff80;
  --amber: #ffd166;
  --red: #ff8a8a;
  --blue: #9be0ff;
  --shadow: 0 0 0 2px #ffffff;
  --scan-opacity: 0;
}

/* light-mode fallback for users who really prefer light */
@media (prefers-color-scheme: light) {
  :root:not(.hi-contrast):not(.force-dark) {
    --bg: #f1ecdf;
    --bg-2: #e7e0cc;
    --bg-3: #d8cfb6;
    --panel: #fbf6e8;
    --panel-edge: #6c5a2e;
    --fg: #18170f;
    --fg-soft: #2d2a1a;
    --fg-mute: #56503a;
    --green: #2d6a18;
    --green-deep: #2d6a18;
    --amber: #a85b00;
    --red: #b21a1a;
    --blue: #0b5a8a;
    --shadow: 0 2px 0 rgba(0,0,0,0.15), 0 0 0 1px var(--panel-edge);
    --scan-opacity: 0;
  }
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  font-family: var(--sans);
  color: var(--fg);
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(95,176,97,0.10), transparent 60%),
    radial-gradient(800px 500px at 90% 110%, rgba(255,174,66,0.08), transparent 60%),
    var(--bg);
  min-height: 100dvh;
  line-height: 1.5;
  font-size: 16px;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.scanlines::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,var(--scan-opacity)) 0 1px,
    transparent 1px 3px
  );
  z-index: 999;
  mix-blend-mode: multiply;
}

::selection { background: var(--green-deep); color: #06080a; }

a { color: var(--blue); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.skip {
  position: fixed; top: -100px; left: 12px;
  background: var(--amber); color: #1a1200;
  padding: 8px 12px; border-radius: 4px;
  font-weight: 700; z-index: 2000; text-decoration: none;
}
.skip:focus { top: 12px; }

kbd {
  font-family: var(--mono);
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 0.9em;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--panel-edge);
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-text strong { font-family: var(--mono); letter-spacing: 0.15em; font-size: 14px; }
.brand-sub { display: block; font-size: 11px; color: var(--fg-mute); letter-spacing: 0.08em; }

.logo {
  display: inline-grid;
  grid-template-columns: repeat(2, 8px);
  grid-template-rows: repeat(2, 8px);
  gap: 2px;
  padding: 4px;
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
}
.logo-pixel { width: 8px; height: 8px; }
.logo-a { background: var(--green); }
.logo-b { background: var(--amber); }
.logo-c { background: var(--blue); }
.logo-d { background: var(--violet); }

.topbar-controls { display: flex; gap: 6px; flex-wrap: wrap; }
.pill {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  background: var(--bg-3);
  color: var(--fg-soft);
  border: 1px solid var(--panel-edge);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
}
.pill[aria-pressed="true"] {
  background: var(--green);
  color: #06080a;
  border-color: var(--green);
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: 20px;
  max-width: 1280px;
  margin: 0 auto;
}
@media (min-width: 900px) {
  .layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.4fr);
    grid-auto-flow: dense;
  }
  .card-intro { grid-column: 1 / -1; }
  .card-stream { grid-column: 2; grid-row: span 2; }
  .card-lifecycle { grid-column: 1; }
  .card-tos { grid-column: 1; }
  .card-queue { grid-column: 2; }
  .card-inspect { grid-column: 1; }
  .card-log { grid-column: 1 / -1; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  position: relative;
}
.card::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--green) 0 30%, var(--amber) 30% 60%, var(--blue) 60% 100%);
  border-top-left-radius: var(--radius); border-top-right-radius: var(--radius);
  opacity: 0.7;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 12px;
}
.card-head h2 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0;
  color: var(--fg-soft);
}
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card-sub { color: var(--fg-mute); font-size: 14px; margin: 0 0 12px; }

/* ---------- Intro ---------- */
.card-intro h1 {
  font-family: var(--mono);
  font-size: clamp(22px, 3.2vw, 36px);
  margin: 6px 0 8px;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.lede { font-size: 16px; max-width: 70ch; color: var(--fg-soft); }
.bullets { padding-left: 18px; margin: 12px 0; color: var(--fg-soft); }
.bullets li { margin-bottom: 4px; }
.honest {
  margin-top: 14px;
  padding: 10px 12px;
  background: var(--bg-3);
  border-left: 3px solid var(--amber);
  border-radius: 3px;
  font-size: 14px;
  color: var(--fg-soft);
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--green);
  color: #06080a;
  border: 1px solid var(--green);
  border-radius: 4px;
  padding: 8px 14px;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 2px 0 rgba(0,0,0,0.4);
  transition: transform 0.08s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-ghost {
  background: transparent;
  color: var(--fg-soft);
  border-color: var(--panel-edge);
  box-shadow: none;
}

/* ---------- Lifecycle ---------- */
.lifecycle {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 6px;
}
.lifecycle li {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-mute);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.lc-dot {
  width: 10px; height: 10px;
  background: var(--bg-2);
  border: 1px solid var(--panel-edge);
}
.lc-meta { color: var(--fg-mute); font-size: 11px; }

.lifecycle li.is-active {
  background: linear-gradient(90deg, rgba(182,240,149,0.10), transparent);
  border-color: var(--green);
  color: var(--fg);
}
.lifecycle li.is-active .lc-dot {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(182,240,149,0.25);
  animation: pulse 1.6s ease-in-out infinite;
}
.lifecycle li.is-done {
  border-color: var(--green-deep);
  color: var(--fg-soft);
}
.lifecycle li.is-done .lc-dot {
  background: var(--green-deep);
  border-color: var(--green-deep);
}
.lifecycle li.is-warn {
  border-color: var(--amber);
}
.lifecycle li.is-warn .lc-dot {
  background: var(--amber); border-color: var(--amber);
}

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 3px rgba(182,240,149,0.25); }
  50% { box-shadow: 0 0 0 6px rgba(182,240,149,0.10); }
}
.reduce-motion .lifecycle li.is-active .lc-dot { animation: none; }

/* ---------- Stream preview (WOW) ---------- */
.screen-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 700px) {
  .screen-wrap { grid-template-columns: 1fr 180px; }
}

.screen {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 2px solid var(--panel-edge);
  border-radius: 6px;
  overflow: hidden;
  box-shadow:
    inset 0 0 60px rgba(0,0,0,0.6),
    0 0 0 4px #1a1f28;
}
#stage {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
.screen::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%),
    repeating-linear-gradient(to bottom, rgba(0,0,0,0.18) 0 2px, transparent 2px 4px);
  pointer-events: none;
  mix-blend-mode: multiply;
  opacity: 1;
}
body.no-scanlines .screen::after {
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.45) 100%);
}

.screen-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.65);
  font-family: var(--mono);
  color: var(--green);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 20px;
  transition: opacity 0.3s;
}
.screen-overlay.is-hidden { opacity: 0; pointer-events: none; }
.screen-msg { max-width: 70%; }

.hud {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  margin: 0;
}
@media (min-width: 700px) {
  .hud { grid-template-columns: 1fr; align-content: start; }
}
.hud > div {
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 6px 8px;
  display: flex; justify-content: space-between;
  align-items: baseline;
}
.hud dt { color: var(--fg-mute); letter-spacing: 0.08em; }
.hud dd { margin: 0; color: var(--green); font-weight: 700; }

.controls {
  margin: 14px 0 0;
  padding: 12px;
  border: 1px solid var(--panel-edge);
  border-radius: 6px;
  background: var(--bg-3);
  display: grid;
  gap: 10px;
}
@media (min-width: 700px) {
  .controls { grid-template-columns: 1fr 1fr; gap: 14px; }
}
.controls legend {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  padding: 0 6px;
}
.controls label {
  display: grid;
  grid-template-columns: 110px 1fr 70px;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
}
.ctl-name { color: var(--fg-soft); letter-spacing: 0.08em; }
.controls output {
  color: var(--green);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.controls input[type="range"] {
  width: 100%;
  -webkit-appearance: none; appearance: none;
  background: transparent;
}
.controls input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  background: linear-gradient(90deg, var(--green) 0 var(--p, 50%), var(--bg-2) var(--p, 50%) 100%);
  border-radius: 3px;
  border: 1px solid var(--panel-edge);
}
.controls input[type="range"]::-moz-range-track {
  height: 6px;
  background: var(--bg-2);
  border-radius: 3px;
  border: 1px solid var(--panel-edge);
}
.controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px;
  background: var(--amber);
  border: 1px solid #00000080;
  border-radius: 3px;
  margin-top: -5px;
  cursor: pointer;
}
.controls input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--amber);
  border: 1px solid #00000080;
  border-radius: 3px;
  cursor: pointer;
}
.controls select {
  font-family: var(--mono);
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  padding: 4px 6px;
}

/* ---------- Badges ---------- */
.badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid var(--panel-edge);
  background: var(--bg-3);
  color: var(--fg-mute);
}
.badge[data-tone="ok"] { color: #06080a; background: var(--green); border-color: var(--green); }
.badge[data-tone="warn"] { color: #1a1200; background: var(--amber); border-color: var(--amber); }
.badge[data-tone="live"] { color: #06080a; background: var(--green); border-color: var(--green); animation: live 1.4s ease-in-out infinite; }
.reduce-motion .badge[data-tone="live"] { animation: none; }
@keyframes live { 0%,100% { box-shadow: 0 0 0 0 rgba(182,240,149,0.5); } 50% { box-shadow: 0 0 0 8px rgba(182,240,149,0); } }

/* ---------- ToS ---------- */
.tos-list { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; }
.tos-list li {
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 10px 12px;
}
.tos-list label {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  cursor: pointer;
  font-size: 14px;
}
.tos-list input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--green);
  margin-top: 1px;
}
.tos-foot {
  display: flex; gap: 12px; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 6px;
  border-top: 1px dashed var(--panel-edge);
}
.tos-hash {
  display: grid; gap: 4px;
  font-family: var(--mono);
  font-size: 12px;
}
.tos-hash code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  padding: 4px 8px; border-radius: 3px;
  color: var(--green);
  word-break: break-all;
}

/* ---------- Queue ---------- */
.queue {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 6px;
}
.queue li {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  gap: 10px;
  align-items: center;
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 12px;
}
.queue li.is-self {
  border-color: var(--green);
  background: linear-gradient(90deg, rgba(182,240,149,0.10), transparent);
}
.queue li.is-done { opacity: 0.55; }
.q-pos { color: var(--fg-mute); }
.q-name { color: var(--fg-soft); }
.q-eta { color: var(--amber); font-variant-numeric: tabular-nums; }
.q-state { color: var(--fg-mute); text-transform: uppercase; letter-spacing: 0.12em; }
.queue-foot { margin-top: 10px; }
.muted { color: var(--fg-mute); font-size: 13px; margin: 0; }

/* ---------- Inspector ---------- */
.inspect {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  margin: 0;
}
@media (min-width: 700px) { .inspect { grid-template-columns: 1fr 1fr 1fr 1fr; } }
.inspect > div {
  background: var(--bg-3);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 8px 10px;
}
.inspect dt { color: var(--fg-mute); letter-spacing: 0.08em; font-size: 10px; text-transform: uppercase; }
.inspect dd { margin: 4px 0 0; color: var(--green); word-break: break-all; }

/* ---------- Log ---------- */
.log {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg);
  color: var(--green);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 12px;
  max-height: 220px;
  overflow: auto;
  margin: 0;
  white-space: pre-wrap;
}
.log:empty::before {
  content: "// awaiting events";
  color: var(--fg-mute);
}

/* ---------- Boot overlay ---------- */
.boot {
  position: fixed; inset: 0;
  background: #000;
  display: flex; align-items: center; justify-content: center;
  z-index: 1500;
  padding: 20px;
}
.boot[hidden] { display: none; }
.boot-window {
  width: min(640px, 100%);
  background: #050707;
  border: 1px solid var(--green-deep);
  border-radius: 4px;
  padding: 20px;
  font-family: var(--mono);
  color: var(--green);
  box-shadow: 0 0 60px rgba(95,176,97,0.2);
}
.boot-title { margin: 0 0 12px; font-size: 14px; letter-spacing: 0.16em; }
.boot-log {
  margin: 0;
  font-size: 12px;
  white-space: pre-wrap;
  min-height: 220px;
  max-height: 50vh;
  overflow: auto;
}
.boot-log .ok { color: var(--green); }
.boot-log .warn { color: var(--amber); }
.boot-log .info { color: var(--fg-mute); }
.boot-actions { margin-top: 12px; display: flex; justify-content: flex-end; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--panel-edge);
  padding: 16px 20px;
  text-align: center;
  color: var(--fg-mute);
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}
.foot-sep { color: var(--panel-edge); }

/* ---------- prefers-reduced-motion baseline ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}