* {
  font-family: "Courier New", Courier, monospace;
}

body {
  margin: 0;
  overflow: hidden;
  position: absolute;
}

canvas {
  position: absolute;
}

.inventoryCanvas {
  position: relative;
  padding: 0;
  margin: auto;
  display: block;
  /* background-color: #8d8d8d; */
}

.itemLabel {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 0.25em;
}

.guiContainer {
  position: relative;
}

.button {
  font-size: inherit;
  font-family: inherit;
  background: linear-gradient(#d34c62, #d34c62, #93205d);
  color: #ffffff;
  text-shadow: -2px 0 black, 0 2px black, 2px 0 black, 0 -2px black;
  border: 2px solid black;
  border-radius: 5px;
  font-weight: bold;
  box-shadow: inset 0 0.7em 0 rgba(255, 255, 255, 0.2);
  padding: 5px 20px;
  transition: all 0.1s;
  cursor: pointer;
}

.button:hover {
  box-shadow: inset 0 0.7em 0 rgba(255, 255, 255, 0.2),
    inset 0 0 0.5em rgba(0, 0, 255, 0.2);
}

.button:active {
  box-shadow: inset 0 0.1em 0 rgba(255, 255, 255, 0.2),
    inset 0 0 0.5em rgba(0, 0, 255, 0.2);
}

.listButton {
  position: relative;
  font-size: inherit;
  font-family: inherit;
  background-color: transparent;
  color: white;
  text-shadow: -1px 0 black, 0 1px black, 1px 0 black, 0 -1px black;
  width: 100%;
  text-align: left;
}

.checkboxContainer {
  display: block;
  position: relative;
  margin-bottom: 12px;
  cursor: pointer;
  font-size: inherit;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  color: cyan;
}

.checkboxContainer input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0.05em;
  line-height: 0.7em;
  width: 1.5em;
  background-color: transparent;
  border: 0.1em solid cyan;
  border-radius: 10%;
  box-shadow: inset 0 0 0 cyan;
  transition: all 0.2s;
  vertical-align: middle;
}

.checkmark:before {
  position: relative;
  left: 0.1em;
  content: "OFF";
  font-size: 0.6em;
  color: cyan;
}

.checkboxContainer:hover input ~ .checkmark {
  background-color: rgba(255, 255, 255, 0.2);
}

.checkboxContainer:hover input:checked ~ .checkmark {
  box-shadow: inset 1.6em 0 0 rgba(0, 255, 255, 0.8);
}

.checkboxContainer input:checked ~ .checkmark {
  box-shadow: inset 1.6em 0 0 cyan;
}

.checkboxContainer input:checked ~ .checkmark:before {
  position: relative;
  content: "ON";
  color: black;
  left: 1.2em;
  font-size: 0.6em;
}

.slider {
  -webkit-appearance: none;
  font-size: inherit;
  height: 0.5em;
  width: 10em;
  border-radius: 10%;
  background: rgba(0, 255, 255, 0.2);
  outline: none;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}

.slider:hover {
  background: rgba(0, 255, 255, 0.4);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  background: cyan;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 1em;
  height: 1em;
  border-radius: 50%;
  background: cyan;
  cursor: pointer;
}

.sliderLabel {
  font-size: inherit;
  color: cyan;
}

/* ── Main Menu ── */

.main-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #08060a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 1s ease, visibility 1s;
}

.main-menu.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ── Skybox background ── */

.menu-skybox {
  position: absolute;
  inset: -20px;
  background-image: url("Assets/Skybox/front.png");
  background-size: cover;
  background-position: center;
  animation: skyboxDrift 60s linear infinite alternate;
}

@keyframes skyboxDrift {
  from {
    transform: translate(0, 0) scale(1.05);
  }
  to {
    transform: translate(-15px, 10px) scale(1.1);
  }
}

/* ── Mars planet ── */

.mars-planet {
  position: absolute;
  bottom: -35vmax;
  right: -5vmax;
  width: 70vmax;
  height: 70vmax;
  border-radius: 50%;
  overflow: hidden;
  animation: marsFloat 20s ease-in-out infinite;
}

/* Wrapper for surface content */
.mars-spin-group {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

/* Surface: uses the actual Mars texture, scrolling horizontally to simulate rotation */
.mars-surface {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image: url("Assets/Textures/2k_mars.jpg");
  background-size: 200% 100%;
  background-repeat: repeat-x;
  animation: marsScroll 120s linear infinite;
}

@keyframes marsScroll {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 200% 50%;
  }
}

/* Atmosphere — limb glow (doesn't spin) */
.mars-atmosphere {
  position: absolute;
  inset: -3%;
  border-radius: 50%;
  background: radial-gradient(
    circle at 38% 45%,
    transparent 44%,
    rgba(220, 150, 80, 0.08) 47%,
    rgba(210, 140, 70, 0.15) 50%,
    rgba(200, 130, 65, 0.18) 54%,
    rgba(180, 110, 55, 0.14) 60%,
    rgba(160, 90, 45, 0.08) 68%,
    transparent 78%
  );
  box-shadow: inset -30px -15px 80px rgba(200, 130, 70, 0.1),
    0 0 60px rgba(220, 140, 65, 0.15), 0 0 120px rgba(200, 120, 55, 0.1),
    0 0 250px rgba(180, 100, 50, 0.06);
}

/* Terminator shadow (doesn't spin) */
.mars-shadow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(
    140deg,
    transparent 25%,
    rgba(0, 0, 0, 0.12) 36%,
    rgba(0, 0, 0, 0.3) 45%,
    rgba(0, 0, 0, 0.55) 55%,
    rgba(0, 0, 0, 0.8) 68%,
    rgba(0, 0, 0, 0.95) 85%
  );
}

/* Bright rim light on the sunlit edge (doesn't spin) */
.mars-rim {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(
    circle at 28% 40%,
    transparent 45%,
    rgba(255, 200, 130, 0.12) 47%,
    rgba(255, 200, 130, 0.05) 50%,
    transparent 53%
  );
}

@keyframes marsFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* ── Content container ── */

.menu-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ── Title ── */

.menu-title {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: bold;
  color: #e8d0b0;
  letter-spacing: 0.3em;
  text-shadow: 0 0 30px rgba(220, 140, 60, 0.4),
    0 0 80px rgba(200, 120, 50, 0.15), 0 2px 4px rgba(0, 0, 0, 0.5);
  line-height: 1;
}

.menu-subtitle {
  margin-top: 0.5rem;
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  color: rgba(220, 160, 90, 0.6);
  letter-spacing: 0.5em;
}

/* ── Story terminal ── */

.menu-story {
  background: rgba(40, 20, 10, 0.5);
  border: 1px solid rgba(220, 140, 60, 0.15);
  border-left: 3px solid rgba(220, 140, 60, 0.4);
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  backdrop-filter: blur(4px);
}

.story-line {
  margin: 0;
  font-size: clamp(0.65rem, 1.5vw, 0.8rem);
  color: rgba(220, 160, 100, 0.55);
  line-height: 1.6;
  opacity: 0;
  animation: typeIn 0.3s ease forwards;
}

.story-line:nth-child(1) {
  animation-delay: 0.2s;
}
.story-line:nth-child(2) {
  animation-delay: 0.6s;
}
.story-line:nth-child(3) {
  animation-delay: 1s;
}
.story-line:nth-child(4) {
  animation-delay: 1.4s;
}

.story-highlight {
  color: rgba(255, 200, 100, 0.95) !important;
  font-weight: bold;
  text-shadow: 0 0 12px rgba(255, 180, 60, 0.3);
}

@keyframes typeIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Buttons ── */

.menu-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.menu-btn {
  font-family: "Courier New", Courier, monospace;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.9rem 1.5rem;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: left;
}

.menu-btn:disabled {
  cursor: default;
  opacity: 0.4;
}

.menu-btn .btn-text {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: bold;
  letter-spacing: 0.2em;
}

.menu-btn .btn-subtext {
  font-size: clamp(0.55rem, 1.2vw, 0.65rem);
  margin-top: 0.2rem;
  letter-spacing: 0.15em;
  opacity: 0.4;
}

.menu-btn-primary {
  border-color: rgba(220, 140, 60, 0.7);
  color: rgba(240, 185, 110, 1);
  background: rgba(40, 20, 10, 0.5);
}

.menu-btn-primary:not(:disabled):hover {
  background: rgba(220, 140, 60, 0.25);
  border-color: rgba(220, 140, 60, 1);
  box-shadow: 0 0 25px rgba(220, 140, 60, 0.2),
    inset 0 0 25px rgba(220, 140, 60, 0.08);
  color: rgba(255, 210, 140, 1);
}

.menu-btn-primary:not(:disabled):active {
  background: rgba(220, 140, 60, 0.35);
  transform: scale(0.98);
}

.menu-btn-primary.ready {
  animation: readyPulse 2.5s ease-in-out infinite;
}

@keyframes readyPulse {
  0%,
  100% {
    border-color: rgba(220, 140, 60, 0.7);
    box-shadow: none;
  }
  50% {
    border-color: rgba(220, 140, 60, 1);
    box-shadow: 0 0 20px rgba(220, 140, 60, 0.2);
  }
}

/* ── Controls panel ── */

.controls-panel {
  overflow: hidden;
  max-height: 300px;
  transition: max-height 0.4s ease, opacity 0.3s ease;
}

.controls-panel.hidden {
  max-height: 0;
  opacity: 0;
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 2rem;
  padding: 0.5rem 0;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: clamp(0.65rem, 1.5vw, 0.8rem);
  color: rgba(200, 160, 120, 0.9);
  text-shadow: -0.5px 0 black, 0 0.5px black, 0.5px 0 black, 0 -0.5px black;
}

.control-item kbd {
  font-family: "Courier New", Courier, monospace;
  color: rgba(220, 160, 90, 0.9);
  background: rgba(220, 140, 60, 0.7);
  border: 1px solid rgba(220, 140, 60, 0.7);
  padding: 0.15em 0.5em;
  min-width: 5em;
  text-align: center;
  font-size: 0.85em;
}

/* ── Footer ── */

.menu-footer {
  font-size: clamp(0.55rem, 1.2vw, 0.65rem);
  color: rgba(200, 160, 120, 0.9);
  letter-spacing: 0.3em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.signal-indicator {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(220, 140, 60, 1);
  box-shadow: 0 0 6px rgba(220, 140, 60, 1);
  animation: signalBlink 3s ease-in-out infinite;
}

@keyframes signalBlink {
  0%,
  100% {
    opacity: 0.2;
  }
  50% {
    opacity: 1;
  }
}

/* ── Static / grain overlay ── */

.main-menu::after {
  content: "";
  position: absolute;
  inset: -200%;
  width: 500%;
  height: 500%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 512px 512px;
  opacity: 0.14;
  pointer-events: none;
  z-index: 2;
  animation: staticFlicker 0.08s steps(8) infinite;
}

/* ── End screen ── */

.signal-indicator--green {
  background: rgba(80, 220, 130, 1) !important;
  box-shadow: 0 0 6px rgba(80, 220, 130, 1) !important;
}

@keyframes staticFlicker {
  0% {
    transform: translate(0, 0);
  }
  12% {
    transform: translate(-120px, 80px);
  }
  25% {
    transform: translate(90px, -150px);
  }
  37% {
    transform: translate(-60px, 200px);
  }
  50% {
    transform: translate(170px, -40px);
  }
  62% {
    transform: translate(-140px, -110px);
  }
  75% {
    transform: translate(50px, 160px);
  }
  87% {
    transform: translate(-180px, 30px);
  }
  100% {
    transform: translate(0, 0);
  }
}