:root {
  color-scheme: dark;
  --bg: #07100f;
  --panel: #101b1b;
  --panel-2: #152324;
  --line: #2e4542;
  --text: #d7f8de;
  --muted: #87aaa0;
  --green: #009e73;
  --yellow: #f0e442;
  --red: #d55e00;
  --cyan: #56b4e9;
  --blue: #0072b2;
  --orange: #e69f00;
  --purple: #cc79a7;
  --violet: #cc79a7;
  --cell: #091514;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 12%, rgba(79, 207, 173, 0.12), transparent 24rem),
    linear-gradient(135deg, #07100f 0%, #0d1719 52%, #111313 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.start-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  gap: 1rem;
  padding: 2rem;
  background:
    radial-gradient(circle at center, rgba(86, 180, 233, 0.16), transparent 32rem),
    linear-gradient(135deg, rgba(3, 9, 9, 0.98), rgba(8, 17, 18, 0.98));
  cursor: pointer;
}

.start-screen[hidden] {
  display: none;
}

.start-screen img {
  display: block;
  width: min(46rem, 86vw);
  max-height: min(72vh, 34rem);
  object-fit: contain;
  filter: drop-shadow(0 0 1.6rem rgba(86, 180, 233, 0.34));
  animation: title-flash 1.25s ease-in-out infinite;
}

.start-screen button {
  min-width: 11rem;
  border-color: var(--cyan);
  background: rgba(23, 43, 42, 0.92);
  color: var(--text);
  box-shadow: 0 0 1.2rem rgba(86, 180, 233, 0.18);
}

@keyframes title-flash {
  0%,
  100% {
    opacity: 0.82;
    scale: 0.995;
  }

  42% {
    opacity: 1;
    scale: 1;
    filter: drop-shadow(0 0 2.2rem rgba(86, 180, 233, 0.58));
  }

  58% {
    opacity: 0.9;
  }
}

.app {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 19rem;
  gap: 0.55rem;
  width: 100vw;
  height: 100vh;
  min-height: 0;
  margin: 0;
  padding: 0.5rem;
}

.app.red-alert {
  animation: red-alert-pulse 2.4s ease-in-out infinite;
}

.app.screen-shake {
  animation: screen-shake 0.32s linear;
}

.app.red-alert::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background:
    radial-gradient(circle at center, transparent 38%, rgba(213, 94, 0, 0.18) 100%),
    rgba(204, 121, 167, 0.08);
  animation: red-alert-wash 2.4s ease-in-out infinite;
}

@keyframes red-alert-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 rgba(204, 121, 167, 0);
    filter: none;
  }

  45% {
    box-shadow: 0 0 0 2px rgba(204, 121, 167, 0.55), 0 0 3rem rgba(204, 121, 167, 0.35);
    filter: saturate(1.12);
  }

  70% {
    box-shadow: 0 0 0 2px rgba(213, 94, 0, 0.55), 0 0 5rem rgba(213, 94, 0, 0.34);
  }
}

@keyframes red-alert-wash {
  0%,
  100% {
    opacity: 0;
  }

  45% {
    opacity: 0.9;
  }

  70% {
    opacity: 0.55;
  }
}

@keyframes screen-shake {
  0%,
  100% {
    transform: translate(0, 0);
  }

  15% {
    transform: translate(-3px, 2px);
  }

  30% {
    transform: translate(4px, -2px);
  }

  45% {
    transform: translate(-2px, -3px);
  }

  60% {
    transform: translate(3px, 2px);
  }

  75% {
    transform: translate(-1px, 2px);
  }
}

.display,
.panel,
.sector-panel,
.terminal-panel {
  border: 1px solid var(--line);
  background: rgba(13, 25, 24, 0.92);
}

.display {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  height: 100%;
}

.bridge-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 38%);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 21, 20, 0.94);
}

.bridge-controls {
  display: grid;
  grid-template-rows: auto auto;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 30, 28, 0.88);
}

.top-actions {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.4rem;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 1.35rem;
  line-height: 1.1;
}

h2 {
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.08em;
}

h3 {
  font-size: 1rem;
}

.topbar p,
.section-head p,
.hint {
  color: var(--muted);
  font-size: 0.86rem;
}

.topbar p {
  margin-top: 0.15rem;
}

button,
select {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #172b2a;
  color: var(--text);
  min-height: 1.9rem;
}

button {
  padding: 0 0.7rem;
  cursor: pointer;
}

select {
  padding: 0 2rem 0 0.7rem;
}

button:hover,
button:focus-visible,
select:focus-visible {
  border-color: var(--green);
  outline: none;
}

button:disabled {
  color: #58736e;
  cursor: not-allowed;
  opacity: 0.65;
}

.select-label {
  display: grid;
  gap: 0.25rem;
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.play-area {
  display: grid;
  grid-template-columns: minmax(28rem, 1.15fr) minmax(0, 0.85fr);
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.55rem;
  min-height: 0;
  padding: 0.55rem;
  overflow: hidden;
}

.sector-panel,
.terminal-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
}

.terminal-panel {
  grid-template-rows: auto minmax(0, 1fr);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 30, 28, 0.72);
}

.end-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--yellow);
  white-space: nowrap;
}

.splash-art {
  margin: 0;
  border: 1px solid var(--line);
  background: #050c0c;
}

.scene-banner {
  align-self: stretch;
  width: 100%;
  min-width: 0;
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
}

.splash-art img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 6rem;
  max-height: 7.4rem;
  object-fit: cover;
  object-position: center;
}

.sector-stage {
  position: relative;
  padding: 0.45rem;
  overflow: visible;
}

.sector-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.3rem;
  align-content: start;
  overflow: visible;
}

.effects-layer {
  position: absolute;
  inset: 0.45rem;
  pointer-events: none;
  overflow: hidden;
  z-index: 5;
}

.sector-cell {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-width: 0;
  border: 1px solid #1e3532;
  border-radius: 6px;
  background: var(--cell);
  color: var(--muted);
  min-height: 0;
  font: clamp(0.82rem, 1.55vw, 1.15rem) "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  line-height: 1;
  overflow: hidden;
}

.sector-icon {
  display: block;
  width: min(94%, 4.5rem);
  height: min(94%, 4.5rem);
  object-fit: contain;
  filter: drop-shadow(0 0 0.35rem rgba(0, 0, 0, 0.75));
  pointer-events: none;
  user-select: none;
}

.sector-cell.hit-flash::after {
  content: "";
  position: absolute;
  inset: -0.25rem;
  border-radius: 8px;
  background: radial-gradient(circle, rgba(240, 228, 66, 0.75), rgba(213, 94, 0, 0.28), transparent 68%);
  animation: hit-flash 0.55s ease-out forwards;
  pointer-events: none;
}

.sector-cell.shield-flash::after {
  content: "";
  position: absolute;
  inset: -0.3rem;
  border-radius: 50%;
  border: 2px solid rgba(86, 180, 233, 0.82);
  box-shadow: 0 0 1rem rgba(86, 180, 233, 0.55);
  animation: shield-flash 0.55s ease-out forwards;
  pointer-events: none;
}

.sector-cell.ship {
  border-color: var(--cyan);
  color: var(--cyan);
  background: linear-gradient(135deg, rgba(86, 180, 233, 0.32), rgba(0, 158, 115, 0.12));
  box-shadow: 0 0 0 2px rgba(86, 180, 233, 0.22), 0 0 1.1rem rgba(86, 180, 233, 0.24);
  font-weight: 800;
}

.sector-cell.ship .sector-icon {
  width: min(104%, 4.8rem);
  height: min(104%, 4.8rem);
}

.sector-cell.enemy {
  border-color: var(--red);
  color: var(--red);
  border-style: dashed;
  border-width: 2px;
  background: rgba(213, 94, 0, 0.12);
  font-weight: 800;
}

.sector-cell.enemy .sector-icon,
.sector-cell.romulan .sector-icon {
  width: min(102%, 4.7rem);
  height: min(102%, 4.7rem);
}

.sector-cell.romulan {
  border-color: var(--purple);
  color: var(--purple);
  border-style: dotted;
  border-width: 2px;
  background: rgba(204, 121, 167, 0.13);
  font-weight: 900;
}

.sector-cell.base {
  border-color: var(--blue);
  color: var(--blue);
  border-style: double;
  border-width: 3px;
  background: rgba(0, 114, 178, 0.12);
  font-weight: 800;
  overflow: visible;
  z-index: 4;
}

.sector-cell.base .sector-icon {
  width: 165%;
  height: 165%;
  max-width: none;
  max-height: none;
  filter: drop-shadow(0 0 0.55rem rgba(86, 180, 233, 0.45)) drop-shadow(0 0 0.35rem rgba(0, 0, 0, 0.8));
  z-index: 3;
}

.sector-cell.star {
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(240, 228, 66, 0.09);
}

.sector-cell.star .sector-icon {
  width: min(82%, 4rem);
  height: min(82%, 4rem);
  filter: drop-shadow(0 0 0.55rem currentColor);
}

.sector-cell.star-redGiant {
  border-color: var(--red);
  color: var(--red);
}

.sector-cell.star-blueGiant {
  border-color: var(--cyan);
  color: var(--cyan);
}

.sector-cell.star-whiteDwarf {
  border-color: #f6f2d8;
  color: #f6f2d8;
}

.sector-cell.star-neutron {
  border-color: var(--purple);
  color: var(--purple);
}

.sector-cell.torpedo {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(230, 159, 0, 0.22);
  box-shadow: 0 0 0 2px rgba(230, 159, 0, 0.28), 0 0 1.4rem rgba(230, 159, 0, 0.34);
  font-weight: 900;
  animation: torpedo-blink 0.18s steps(2, end) infinite;
}

@keyframes torpedo-blink {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0.18;
  }
}

.beam {
  position: absolute;
  left: 0;
  top: 0;
  height: 4px;
  border-radius: 999px;
  transform-origin: 0 50%;
  opacity: 0;
  filter: drop-shadow(0 0 0.55rem currentColor);
}

.beam.phaser {
  color: var(--cyan);
  background: linear-gradient(90deg, transparent, var(--cyan), var(--yellow), transparent);
  animation: phaser-flicker 0.82s linear forwards;
}

.beam.enemy-beam {
  color: var(--purple);
  background: linear-gradient(90deg, transparent, var(--purple), var(--red), transparent);
  animation: enemy-beam-flicker 0.72s linear forwards;
}

.torpedo-trail {
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0.8rem rgba(230, 159, 0, 0.9), 0 0 1.6rem rgba(240, 228, 66, 0.55);
  transform: translate(-50%, -50%);
  animation: torpedo-spark 0.18s ease-out forwards;
}

.impact-burst {
  position: absolute;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(240, 228, 66, 0.95), rgba(213, 94, 0, 0.55), rgba(204, 121, 167, 0.18), transparent 70%);
  animation: impact-burst 0.72s ease-out forwards;
}

@keyframes phaser-flicker {
  0%,
  100% {
    opacity: 0;
  }

  8%,
  18%,
  32%,
  48%,
  66%,
  82% {
    opacity: 1;
    height: 5px;
  }

  12%,
  28%,
  40%,
  58%,
  72% {
    opacity: 0.22;
    height: 2px;
  }
}

@keyframes enemy-beam-flicker {
  0%,
  100% {
    opacity: 0;
  }

  10%,
  25%,
  45%,
  70% {
    opacity: 0.9;
    height: 4px;
  }

  18%,
  36%,
  58% {
    opacity: 0.18;
    height: 2px;
  }
}

@keyframes torpedo-spark {
  0% {
    opacity: 1;
    scale: 1;
  }

  100% {
    opacity: 0;
    scale: 2.2;
  }
}

@keyframes impact-burst {
  0% {
    opacity: 0;
    scale: 0.35;
  }

  40% {
    opacity: 1;
    scale: 1;
  }

  100% {
    opacity: 0;
    scale: 1.7;
  }
}

@keyframes hit-flash {
  0% {
    opacity: 1;
    scale: 0.8;
  }

  100% {
    opacity: 0;
    scale: 1.25;
  }
}

@keyframes shield-flash {
  0% {
    opacity: 1;
    scale: 0.7;
  }

  100% {
    opacity: 0;
    scale: 1.4;
  }
}

.terminal {
  overflow: auto;
  padding: 0.65rem;
  font: 0.84rem/1.25 "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  white-space: pre-wrap;
}

.line {
  min-height: 1.35em;
}

.log-group {
  padding: 0.45rem 0 0.5rem;
  border-top: 1px solid rgba(135, 170, 160, 0.2);
}

.log-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.line.command {
  color: var(--cyan);
  font-weight: 700;
}

.line.event-start {
  font-weight: 700;
}

.lrs-row {
  display: inline-grid;
  grid-template-columns: repeat(3, 3.25rem);
  gap: 0.32rem;
  align-items: center;
}

.lrs-cell {
  display: inline-grid;
  place-items: center;
  min-height: 1.75rem;
  border: 1px solid rgba(240, 228, 66, 0.32);
  border-radius: 6px;
  background: rgba(240, 228, 66, 0.06);
}

.lrs-cell.current {
  border-color: var(--cyan);
  background: linear-gradient(135deg, rgba(86, 180, 233, 0.34), rgba(0, 158, 115, 0.14));
  color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(86, 180, 233, 0.18), 0 0 1rem rgba(86, 180, 233, 0.2);
  font-weight: 800;
}

.line.red,
.enemy {
  color: var(--red);
}

.romulan {
  color: var(--purple);
}

.line.red {
  color: var(--purple);
  font-weight: 700;
}

.line.green,
.ship,
.base {
  color: var(--green);
}

.line.yellow,
.star {
  color: var(--yellow);
}

.line.yellow {
  color: var(--orange);
}

.base {
  color: var(--blue);
}

.line.cyan {
  color: var(--cyan);
}

.command-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 21, 20, 0.94);
}

.command-line label {
  color: var(--yellow);
  font: 0.95rem "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

.command-line input {
  width: 100%;
  min-height: 2.15rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #071211;
  color: var(--text);
  padding: 0 0.75rem;
}

.command-line input:focus {
  border-color: var(--cyan);
  outline: none;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.55rem;
  min-height: 0;
  overflow: hidden;
}

.panel-block {
  display: grid;
  gap: 0.42rem;
}

.command-grid,
.computer-grid,
.choice-panel {
  display: grid;
  gap: 0.34rem;
}

.command-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.options-rail-button {
  width: 100%;
}

.choice-panel {
  grid-template-columns: 1fr;
}

.computer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-panel:empty::before {
  content: "Context buttons appear here when a command needs input.";
  color: var(--muted);
  font-size: 0.8rem;
}

.choice-panel button.primary {
  border-color: var(--cyan);
  color: var(--cyan);
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.28rem 0.65rem;
  margin: 0;
  font-size: 0.82rem;
}

.status-grid dt {
  color: var(--muted);
}

.status-grid dd {
  margin: 0;
  font-family: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

.legend {
  display: grid;
  gap: 0.22rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.82rem;
}

.legend span {
  display: inline-block;
  min-width: 3.2rem;
  font-family: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

.legend-icon {
  display: inline-grid;
  place-items: center;
  width: 3.2rem;
  min-width: 3.2rem;
  height: 1.35rem;
}

.legend-icon img {
  display: block;
  max-width: 1.35rem;
  max-height: 1.35rem;
  object-fit: contain;
}

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

.help-dialog {
  width: min(820px, calc(100vw - 2rem));
  max-height: min(760px, calc(100vh - 2rem));
  border: 1px solid var(--line);
  background: #0d1918;
  color: var(--text);
  padding: 0;
}

.options-dialog {
  width: min(24rem, calc(100vw - 2rem));
  border: 1px solid var(--line);
  background: #0d1918;
  color: var(--text);
  padding: 0;
}

.help-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
}

.options-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.options-content {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
}

.options-content button,
.options-content select {
  width: 100%;
}

.help-content {
  display: grid;
  gap: 1rem;
  overflow: auto;
  max-height: calc(min(760px, 100vh - 2rem) - 4.5rem);
  padding: 1rem;
}

.help-content p {
  color: var(--muted);
  line-height: 1.45;
}

.help-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.help-content th,
.help-content td {
  border-bottom: 1px solid var(--line);
  padding: 0.5rem;
  text-align: left;
  vertical-align: top;
}

.help-content pre,
code {
  font-family: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

.help-content pre {
  overflow: auto;
  margin: 0;
  color: var(--yellow);
}

@media (max-width: 1040px) {
  .app {
    grid-template-columns: 1fr;
  }

  .display {
    min-height: 72vh;
  }

  .panel {
    min-height: auto;
  }
}

@media (max-width: 780px) {
  .bridge-top {
    grid-template-columns: 1fr;
  }

  .scene-banner {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .splash-art img {
    min-height: 4rem;
    max-height: 5.5rem;
  }

  .play-area {
    grid-template-columns: 1fr;
  }

  .sector-grid {
    max-width: 34rem;
    width: 100%;
  }

  .sector-cell {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .app {
    width: 100%;
    min-height: 100vh;
    margin: 0;
  }

  .display,
  .panel,
  .sector-panel,
  .terminal-panel {
    border-left: 0;
    border-right: 0;
  }

  .topbar,
  .command-line,
  .section-head {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .command-line {
    display: grid;
  }
}