:root {
  --bg: #000000;
  --ink: #c9ecff;
  --select-bg: #c71906;
  --select-fg: #ff7e64;
  --blue-1: #76c9ff;
  --blue-2: #2f7fcb;
  --blue-3: #a6e2ff;
  --sun-a: #ffe761;
  --sun-b: #ffb300;
  --sun-c: #ff5f00;
  --sky-a: #320000;
  --sky-b: #8b1c00;
  --sky-c: #0f0000;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #000;
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
}

.screen-shell {
  position: relative;
  width: min(1280px, 100%);
  margin: 0 auto;
  min-height: 100vh;
  padding: 10px 14px 16px;
  background: #000;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
}

.rom-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  background: rgba(0, 0, 0, 0.84);
  border: 2px solid #2f7fcb;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px;
}

.rom-overlay.hidden {
  display: none;
}

.rom-overlay-box {
  border: 4px solid #76c9ff;
  box-shadow: inset 0 0 0 2px #2f7fcb;
  border-radius: 14px;
  background: #031125;
  padding: 20px 24px;
  max-width: 560px;
}

.rom-overlay-title {
  margin: 0;
  color: #dff3ff;
  font-size: clamp(1.2rem, 3vw, 2rem);
  line-height: 1.1;
}

.rom-overlay-sub {
  margin: 8px 0 0;
  color: #9fc8eb;
  font-size: 0.92rem;
}

.logo-zone {
  position: relative;
  border-bottom: 2px solid #072447;
  padding-bottom: 10px;
}

.sunset {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 95% 24%, var(--sun-a) 0, var(--sun-b) 10%, var(--sun-c) 24%, transparent 36%),
    linear-gradient(180deg, var(--sky-a), var(--sky-b) 35%, var(--sky-c) 65%, #000000 100%);
  opacity: 0.95;
}

.moon-logo-frame,
.sub-logo {
  position: relative;
  z-index: 1;
}

.moon-logo-frame {
  width: min(980px, 95%);
  margin: 8px auto 0;
  border: 6px solid var(--blue-2);
  border-radius: 30px;
  box-shadow: inset 0 0 0 5px var(--blue-1), 0 0 0 3px #0d2b58;
  background: rgba(4, 12, 22, 0.88);
  text-align: center;
  padding: 10px 14px;
}

.moon-logo {
  margin: 0;
  font-size: clamp(2rem, 8vw, 6rem);
  line-height: 0.92;
  letter-spacing: 0.06em;
  color: #eff9ff;
  text-shadow:
    0 0 0 #fff,
    0 0 8px #89d0ff,
    0 0 16px #4ea6f4,
    2px 2px 0 #1f5ea6,
    -2px 2px 0 #1f5ea6,
    2px -2px 0 #1f5ea6,
    -2px -2px 0 #1f5ea6;
}

.sub-logo {
  width: fit-content;
  margin: 8px auto 0;
  border: 4px solid #2b84d5;
  border-top: none;
  background: rgba(179, 214, 255, 0.9);
  color: #edf8ff;
  font-size: clamp(1rem, 2vw, 1.18rem);
  padding: 5px 16px 8px;
  text-shadow: 0 1px 0 #1c5ca6;
}

.menu-zone {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 10px;
}

.disk-menu {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.disk-btn {
  border: 1px solid #4da4ec;
  background: #051328;
  color: #cdeaff;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.86rem;
  padding: 4px 9px;
  cursor: pointer;
}

.disk-btn.active {
  background: #15416f;
  color: #ffffff;
}

.track-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 28px;
  align-content: start;
  max-height: 100%;
  overflow: auto;
  padding-right: 8px;
}

.track {
  border: none;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font-family: "Lucida Console", "Consolas", "Courier New", monospace;
  font-size: clamp(0.86rem, 1.75vw, 2.75rem);
  line-height: 1.03;
  white-space: nowrap;
  overflow: visible;
  padding: 0 6px;
  cursor: pointer;
}

.track.active {
  background: var(--select-bg);
  color: var(--select-fg);
}

.track.unavailable {
  opacity: 0.35;
  cursor: not-allowed;
}

.now-zone {
  display: grid;
  gap: 8px;
}

.now-playing-box {
  border: 5px solid var(--blue-2);
  box-shadow: inset 0 0 0 4px var(--blue-3), 0 0 0 1px #123e74;
  border-radius: 26px;
  color: #d8f1ff;
  text-align: center;
  font-size: clamp(1rem, 2.2vw, 3rem);
  line-height: 1.12;
  padding: 10px 12px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ctrl {
  border: 1px solid #3f91d9;
  background: #08203d;
  color: #dff2ff;
  font-family: "Courier New", Courier, monospace;
  padding: 4px 9px;
  cursor: pointer;
}

.loop-wrap {
  color: #abd8ff;
  font-size: 0.84rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.loop-wrap input {
  width: 52px;
  border: 1px solid #3d8dd6;
  background: #061122;
  color: #e6f5ff;
  padding: 2px 4px;
  font-family: "Courier New", Courier, monospace;
}

.state-pill,
.count-pill {
  border: 1px solid #2e76b9;
  background: #07152b;
  color: #bfe0ff;
  padding: 3px 8px;
  font-size: 0.79rem;
}

.status {
  margin: 0;
  color: #ffe585;
  font-size: 0.8rem;
  min-height: 1.1rem;
}

@media (max-width: 980px) {
  .track-list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .track {
    font-size: clamp(0.96rem, 4vw, 2.2rem);
  }

  .moon-logo {
    letter-spacing: 0.03em;
  }
}