:root {
  color-scheme: dark;
  --bg: #090d1a;
  --surface: #12192d;
  --surface-strong: #1a2440;
  --surface-soft: #202d4e;
  --line: #35466f;
  --text: #f7f8ff;
  --muted: #b3bfdc;
  --accent: #78f0c1;
  --accent-strong: #28c99a;
  --danger: #ff6f91;
  --warning: #ffd166;
  --focus: #bca7ff;
  --shadow: 0 22px 60px rgb(0 0 0 / 35%);
  --radius: 18px;
  --pixel-border: 3px;
  font-family: ui-monospace, "Cascadia Code", "Noto Sans KR", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgb(72 96 170 / 25%), transparent 28rem),
    radial-gradient(circle at 85% 75%, rgb(40 201 154 / 13%), transparent 24rem),
    var(--bg);
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100dvh;
  padding:
    max(12px, env(safe-area-inset-top))
    max(14px, env(safe-area-inset-right))
    max(14px, env(safe-area-inset-bottom))
    max(14px, env(safe-area-inset-left));
}

.top-bar {
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, 100%);
  min-height: 48px;
  margin: 0 auto;
  color: var(--muted);
}

.brand-mark {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--text);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark__dot {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 3px solid var(--text);
  box-shadow: 4px 4px 0 var(--accent-strong);
}

.build-badge,
.status-badge,
.department-code {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgb(9 13 26 / 68%);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.scene-root {
  display: grid;
  width: min(1120px, 100%);
  min-height: 0;
  margin: 0 auto;
}

.scene {
  position: relative;
  width: 100%;
  padding: clamp(22px, 5vw, 64px);
  animation: scene-in 180ms ease-out both;
}

.scene--centered {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: min(760px, calc(100dvh - 80px));
  text-align: center;
}

.scene--panel {
  align-self: center;
  max-width: 920px;
  min-height: auto;
  margin: 28px auto;
  border: var(--pixel-border) solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgb(26 36 64 / 95%), rgb(15 22 42 / 96%));
  box-shadow: var(--shadow), 8px 8px 0 rgb(53 70 111 / 40%);
}

.scene h1,
.scene h2,
.scene h3,
.scene p {
  max-width: 64ch;
}

.scene h1 {
  margin: 0;
  font-size: clamp(2.3rem, 7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.scene h2 {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.scene p {
  line-height: 1.7;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.muted {
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 48px;
  padding: 11px 18px;
  border: 2px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: 0 5px 0 #080b14;
  cursor: pointer;
  font-weight: 900;
  text-decoration: none;
  transition: translate 120ms ease, background 120ms ease, border-color 120ms ease;
}

.button:hover {
  border-color: var(--accent);
  background: var(--surface-soft);
}

.button:active {
  translate: 0 3px;
  box-shadow: 0 2px 0 #080b14;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.button--primary {
  border-color: #a6ffe1;
  color: #07120e;
  background: var(--accent);
}

.button--primary:hover {
  color: #06110d;
  background: #a6ffe1;
}

.button--danger {
  border-color: #ff9eb4;
  background: #7f2940;
}

.button--ghost {
  background: transparent;
  box-shadow: none;
}

.menu-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: min(760px, 100%);
  margin-top: 30px;
}

.menu-card,
.info-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 150px;
  padding: 22px;
  border: 2px solid var(--line);
  border-radius: 16px;
  color: var(--text);
  background: rgb(18 25 45 / 88%);
  text-align: left;
  text-decoration: none;
}

button.menu-card {
  cursor: pointer;
  font: inherit;
}

.menu-card:hover,
.info-card:hover {
  border-color: var(--accent);
  background: rgb(32 45 78 / 94%);
}

.menu-card strong,
.info-card strong {
  font-size: 1.2rem;
}

.menu-card span,
.info-card span {
  color: var(--muted);
  line-height: 1.55;
}

.loading-track {
  width: min(420px, 100%);
  height: 18px;
  margin-top: 26px;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: 99px;
  background: #070b16;
}

.loading-bar {
  width: 0;
  height: 100%;
  background: repeating-linear-gradient(90deg, var(--accent) 0 16px, #b6ffe8 16px 22px);
  transition: width 160ms ease;
}

.list-reset {
  padding: 0;
  margin: 0;
  list-style: none;
}

.settings-list {
  display: grid;
  gap: 18px;
  max-width: 640px;
  margin: 28px auto 0;
  text-align: left;
}

.settings-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(180px, 2fr) 54px;
  gap: 14px;
  align-items: center;
}

.settings-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.toast-root {
  position: fixed;
  z-index: 100;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: grid;
  gap: 8px;
  max-width: min(420px, calc(100vw - 32px));
}

.toast {
  padding: 14px 18px;
  border: 2px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: #18213a;
  box-shadow: var(--shadow);
}

.noscript-message {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: white;
  background: #090d1a;
}

@keyframes scene-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

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