:root {
  color-scheme: dark;
  --ink: #eef3ff;
  --muted: #8f99b3;
  --panel: #101525;
  --line: #252d44;
  --cyan: #32d6d2;
  --pink: #ff4f91;
  --amber: #ffb648;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 30% -10%, rgba(50, 214, 210, .15), transparent 34%),
    radial-gradient(circle at 100% 70%, rgba(255, 79, 145, .1), transparent 32%),
    #070913;
}

button {
  font: inherit;
}

.shell {
  width: min(1420px, 100%);
  margin: auto;
  padding: 24px;
}

header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 18px;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.eyebrow,
.label {
  margin: 0 0 5px;
  color: var(--cyan);
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: .85;
  letter-spacing: -.08em;
}

h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  text-shadow: 0 0 25px rgba(50, 214, 210, .35);
}

.ghost-button,
.secondary-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, .7fr)) minmax(220px, 1.4fr);
  overflow: hidden;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(16, 21, 37, .9);
}

.hud div {
  padding: 11px 16px;
  border-right: 1px solid var(--line);
}

.hud div:last-child {
  border: 0;
}

.hud span,
.hud strong {
  display: block;
}

.hud span {
  color: var(--muted);
  font-size: .64rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hud strong {
  margin-top: 2px;
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 10px;
}

.stage,
aside {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: 0 25px 80px rgba(0, 0, 0, .35);
}

.stage {
  position: relative;
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 13 / 9;
}

.scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, .018) 3px 4px);
}

.message {
  position: absolute;
  left: 50%;
  bottom: 18px;
  opacity: 0;
  transform: translate(-50%, 12px);
  border: 1px solid var(--cyan);
  border-radius: 999px;
  padding: 9px 17px;
  color: var(--ink);
  background: rgba(7, 9, 19, .94);
  box-shadow: 0 0 28px rgba(50, 214, 210, .2);
  transition: .2s ease;
  text-align: center;
  white-space: nowrap;
}

.message.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.message.warning {
  border-color: var(--pink);
}

aside {
  overflow: hidden;
}

aside section {
  padding: 19px;
  border-bottom: 1px solid var(--line);
}

aside section:last-child {
  border: 0;
}

.mission h2 {
  margin: 6px 0 8px;
  font-size: 1.35rem;
}

.mission > p:not(.label) {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.5;
}

.objective-list {
  display: grid;
  gap: 7px;
  margin-top: 15px;
}

.objective-list p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: .79rem;
}

.objective-list i {
  width: 8px;
  height: 8px;
  border: 1px solid var(--muted);
  border-radius: 50%;
}

.objective-list p.done {
  color: var(--ink);
}

.objective-list p.done i {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.echo-list {
  display: grid;
  gap: 7px;
}

.echo-list p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
}

.echo-list i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--echo);
  box-shadow: 0 0 12px var(--echo);
}

.echo-list strong {
  color: var(--ink);
}

.echo-list span {
  margin-left: auto;
}

.keys {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7px 12px;
  margin: 11px 0 15px;
  font-size: .75rem;
}

.keys span {
  color: var(--ink);
  font-weight: 700;
}

.keys em {
  color: var(--muted);
  font-style: normal;
}

.primary-button {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  color: #07100f;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(50, 214, 210, .18);
  font-weight: 800;
  cursor: pointer;
}

.secondary-button {
  width: 100%;
  margin-top: 8px;
}

button:disabled {
  opacity: .4;
  cursor: not-allowed;
}

dialog {
  width: min(620px, calc(100% - 30px));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0;
  color: var(--ink);
  background: #0e1322;
  box-shadow: 0 40px 140px rgba(0, 0, 0, .7);
}

dialog::backdrop {
  background: rgba(2, 3, 9, .82);
  backdrop-filter: blur(6px);
}

.dialog-content {
  padding: clamp(26px, 6vw, 48px);
}

.dialog-content h2 {
  margin: 8px 0 18px;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  line-height: 1.05;
}

.dialog-content p,
.dialog-content li {
  color: var(--muted);
  line-height: 1.6;
}

.dialog-content ol {
  padding-left: 20px;
}

.dialog-content .primary-button {
  margin-top: 20px;
}

.result {
  text-align: center;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 25px 0 4px;
}

.result-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 5px;
}

.result-grid strong,
.result-grid span {
  display: block;
}

.mission-list {
  display: grid;
  gap: 9px;
  margin: 20px 0;
}

.mission-list button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 13px 15px;
  color: var(--ink);
  background: #151b2d;
  text-align: left;
  cursor: pointer;
}

.mission-list button:hover:not(:disabled),
.mission-list button:focus-visible:not(:disabled) {
  border-color: var(--cyan);
}

.mission-list button:disabled {
  cursor: not-allowed;
}

.mission-list span,
.mission-list strong,
.mission-list small {
  display: block;
}

.mission-list small {
  margin-top: 3px;
  color: var(--muted);
}

.mission-list em {
  color: var(--cyan);
  font-size: .7rem;
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

[hidden] {
  display: none !important;
}

.wide-dialog {
  width: min(960px, calc(100% - 24px));
}

.editor-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.editor-meta label,
.record-select {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
}

.editor-meta input,
.editor-meta select,
.record-select select,
.editor textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 9px;
  color: var(--ink);
  background: #080b15;
  font: inherit;
}

.editor-help {
  min-height: 1.5em;
  margin: 12px 0 8px !important;
  font-size: .8rem;
}

.editor-grid {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 3px;
  max-width: 780px;
  margin: 0 auto;
}

.editor-grid button {
  aspect-ratio: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0;
  color: var(--cyan);
  background: #11182a;
  font-weight: 900;
  cursor: pointer;
}

.editor-grid button:hover:not(:disabled),
.editor-grid button:focus-visible:not(:disabled) {
  border-color: var(--cyan);
  background: #1b2940;
}

.editor-grid button:disabled {
  color: #313a51;
  background: #080b13;
}

.editor-errors {
  min-height: 2.5em;
  margin: 10px 0;
  color: var(--pink);
  font-size: .78rem;
}

.editor-errors.valid {
  color: #8cff9a;
}

.editor-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.editor-actions .primary-button,
.editor-actions .secondary-button {
  margin: 0;
}

.record-list {
  display: grid;
  gap: 7px;
  margin: 15px 0;
}

.record-list > div {
  display: grid;
  grid-template-columns: 38px 80px 1fr;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 9px 11px;
}

.record-list span {
  color: var(--cyan);
  font-weight: 800;
}

.record-list small,
.record-note {
  color: var(--muted);
}

.record-note {
  font-size: .75rem;
}

.result-grid strong {
  color: var(--cyan);
}

.result-grid span {
  margin-top: 3px;
  color: var(--muted);
  font-size: .62rem;
  text-transform: uppercase;
}

@media (max-width: 880px) {
  .game-layout {
    grid-template-columns: 1fr;
  }

  aside {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  aside section {
    border-right: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  .shell {
    padding: 14px;
  }

  .hud {
    grid-template-columns: 1fr 1fr;
  }

  .hud div {
    border-bottom: 1px solid var(--line);
  }

  .game-layout {
    min-width: 0;
  }

  .editor-meta,
  .editor-actions {
    grid-template-columns: 1fr;
  }

  .result-grid {
    grid-template-columns: 1fr 1fr;
  }

  aside {
    display: block;
  }

  .message {
    max-width: calc(100% - 20px);
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .message {
    transition: none;
  }
}