@font-face {
  font-family: "Share Tech Mono";
  src: url("ShareTechMono-Regular.9ceab1f874.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "DotGothic16";
  src: url("DotGothic16-subset.c44b31eefa.ttf") format("truetype");
  font-display: swap;
}

:root {
  --bg: #04050d;
  --fg: #b9c6e4;
  --dim: #5b6890;
  --accent: #7fe8ff;
  --hot: #ff7ac8;
  --warn: #ff9a5b;
  --mono: "Share Tech Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --jp: "DotGothic16", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#stage {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline: none;
}

#boot {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background:
    radial-gradient(1px 1px at 12% 22%, #fff8 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 14%, #9fe 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 63% 71%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 83%, #f9c8 50%, transparent 51%),
    radial-gradient(1px 1px at 91% 58%, #fff7 50%, transparent 51%),
    radial-gradient(1px 1px at 41% 9%, #fff6 50%, transparent 51%),
    radial-gradient(ellipse at 50% 40%, #121a3a 0%, var(--bg) 70%);
  transition: opacity 0.8s ease;
}

#boot[data-state="running"] {
  opacity: 0;
  pointer-events: none;
}

#boot[hidden] {
  display: none;
}

.panel {
  position: relative;
  width: min(32rem, 100%);
  padding: 2rem 1.75rem 1.75rem;
  border: 1px solid #7fe8ff22;
  background: linear-gradient(180deg, #0a0f24cc, #060914cc);
  box-shadow: 0 0 3rem #7fe8ff10 inset;
  animation: rise 0.7s ease both;
}

.corner {
  position: absolute;
  width: 0.9rem;
  height: 0.9rem;
  border: 0 solid var(--accent);
}
.corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.corner.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.corner.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

header {
  margin-bottom: 1.75rem;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(1.6rem, 7vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.35em;
  padding-left: 0.35em;
  color: #fff;
  text-shadow: 0 0 1.2rem #7fe8ff66;
}

.jp {
  margin: 0.4rem 0 0;
  font-family: var(--jp);
  font-size: 1rem;
  letter-spacing: 0.5em;
  padding-left: 0.5em;
  color: var(--hot);
}

.tasks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.tasks li {
  display: grid;
  grid-template-columns: 7.5rem 1fr 6.5rem;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  transition: color 0.3s;
}

.tasks li[data-state="active"],
.tasks li[data-state="done"] {
  color: var(--fg);
}

.tasks li[data-state="error"] {
  color: var(--warn);
}

.label small {
  margin-left: 0.6em;
  font-family: var(--jp);
  font-size: 0.8rem;
  letter-spacing: 0;
  color: var(--dim);
}

.bar {
  height: 4px;
  background: #7fe8ff14;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: var(--accent);
  box-shadow: 0 0 0.6rem var(--accent);
  transform-origin: left;
  transform: scaleX(var(--p, 0));
  transition: transform 0.15s linear;
}

li[data-state="active"] .bar i[data-indeterminate] {
  width: 35%;
  transform: none;
  animation: sweep 1.1s ease-in-out infinite;
}

li[data-state="error"] .bar i {
  background: var(--warn);
  box-shadow: 0 0 0.6rem var(--warn);
}

.value {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

#start {
  display: block;
  width: 100%;
  margin-top: 2rem;
  padding: 0.95rem 1rem;
  font: inherit;
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  background: #7fe8ff0d;
  border: 1px solid var(--accent);
  cursor: pointer;
  animation: pulse 1.8s ease-in-out infinite;
  transition: background 0.2s, color 0.2s;
}

#start[hidden] {
  display: none;
}

#start small {
  margin-left: 0.8em;
  font-family: var(--jp);
  letter-spacing: 0;
  color: var(--hot);
}

#start:hover {
  background: var(--accent);
  color: var(--bg);
}

#start:hover small {
  color: var(--bg);
}

#start:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 3px;
}

#start:disabled {
  animation: none;
  opacity: 0.5;
  cursor: progress;
}

#message {
  min-height: 1.2em;
  margin: 1.25rem 0 0;
  font-size: 0.8rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--dim);
  -webkit-user-select: text;
  user-select: text;
}

#boot[data-state="error"] #message {
  color: var(--warn);
}

#boot[data-state="error"] .panel {
  border-color: #ff9a5b55;
}

.static-message {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  background: var(--bg);
}

.static-message h1 {
  font-size: 1.4rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(0.75rem); }
}

@keyframes sweep {
  from { margin-left: -35%; }
  to { margin-left: 100%; }
}

@keyframes pulse {
  50% { box-shadow: 0 0 1.4rem #7fe8ff55; }
}

@media (max-width: 30rem) {
  .panel { padding: 1.5rem 1rem 1.25rem; }
  .tasks li { grid-template-columns: 6rem 1fr 5.5rem; gap: 0.6rem; font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .panel, #start, li[data-state="active"] .bar i[data-indeterminate] { animation: none; }
  #boot { transition: none; }
}