:root {
  --slot: clamp(34px, 5.2vw, 50px);
  --font: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
  --dirt: none;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #fff;
  font-family: var(--font);
  user-select: none;
  -webkit-user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  outline: none;
}

/* ------------------------------------------------------------------ HUD */

#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  text-shadow: 2px 2px 0 #3a3a3a;
}

#underwater {
  position: absolute;
  inset: 0;
  background: rgba(24, 70, 170, 0.28);
  opacity: 0;
  transition: opacity 0.2s;
}
#underwater.on {
  opacity: 1;
}
#underwater.lava {
  background: rgba(220, 80, 10, 0.55);
}

#crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 20px;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}
#crosshair::before,
#crosshair::after {
  content: '';
  position: absolute;
  background: #fff;
}
#crosshair::before {
  left: 9px;
  top: 0;
  width: 2px;
  height: 20px;
}
#crosshair::after {
  left: 0;
  top: 9px;
  width: 20px;
  height: 2px;
}

#hotbar {
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  display: flex;
  padding: 3px;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(0, 0, 0, 0.8);
  box-shadow: inset 0 0 0 2px rgba(120, 120, 120, 0.6);
}
#hotbar .slot {
  width: var(--slot);
  height: var(--slot);
  margin: 0;
  border: 2px solid rgba(160, 160, 160, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
#hotbar .slot.selected {
  outline: 3px solid #fff;
  outline-offset: -1px;
  z-index: 1;
  box-shadow: 0 0 0 2px #000;
}
.slot img {
  width: 78%;
  height: 78%;
  image-rendering: pixelated;
  pointer-events: none;
}
.slot .num {
  position: absolute;
  left: 3px;
  top: 1px;
  font-size: 10px;
  color: #ddd;
  opacity: 0.7;
}

#item-name {
  position: absolute;
  left: 50%;
  bottom: calc(var(--slot) + 30px);
  transform: translateX(-50%);
  font-weight: bold;
  font-size: 16px;
  opacity: 0;
  transition: opacity 0.4s;
  white-space: nowrap;
}
#item-name.show {
  opacity: 1;
  transition: none;
}

#debug {
  position: absolute;
  left: 4px;
  top: 4px;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre;
}
#debug span {
  background: rgba(40, 40, 40, 0.55);
  padding: 0 3px;
}
#fps {
  position: absolute;
  right: 6px;
  top: 4px;
  font-size: 13px;
}

#toast {
  position: absolute;
  left: 50%;
  top: 18%;
  transform: translateX(-50%);
  font-weight: bold;
  font-size: 18px;
  opacity: 0;
  transition: opacity 0.6s;
  text-align: center;
}
#toast.show {
  opacity: 1;
  transition: none;
}

#chat-log {
  position: absolute;
  left: 4px;
  bottom: calc(var(--slot) + 70px);
  width: min(560px, 90vw);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
/* With chat open, the log sits above the quick-command buttons. */
#hud.chatting #chat-log {
  bottom: calc(var(--slot) + 112px);
}
body.touch-mode #hud.chatting #chat-log {
  bottom: calc(var(--slot) + 124px);
}
#chat-log div {
  background: rgba(0, 0, 0, 0.45);
  padding: 2px 6px;
  transition: opacity 1s;
  white-space: pre-wrap;
}
#chat-log div.fade {
  opacity: 0;
}
#chat {
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: calc(var(--slot) + 36px);
  pointer-events: auto;
}
#chat-quick[hidden] {
  display: none;
}
#chat-quick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin-bottom: 4px;
  font-size: 13px;
}
#chat-quick button,
#chat-send,
#chat-close {
  height: 30px;
  padding: 0 10px;
  font-size: 13px;
}
.chat-row {
  display: flex;
  gap: 4px;
}
#chat-send,
#chat-close {
  display: none;
}
body.touch-mode #chat-send,
body.touch-mode #chat-close {
  display: block;
  height: auto;
}
body.touch-mode #chat-quick button {
  height: 38px;
  padding: 0 14px;
}
#chat input {
  flex: 1;
  min-width: 0;
  width: 100%;
  font: 15px var(--font);
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  outline: none;
  padding: 6px 8px;
}

#nametags {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.nametag {
  position: absolute;
  left: 0;
  top: 0;
  padding: 1px 6px;
  background: rgba(0, 0, 0, 0.4);
  font-size: 14px;
  white-space: nowrap;
  text-shadow: none;
  will-change: transform;
}
.nametag.sneak {
  opacity: 0.45;
}
#mp-status {
  min-height: 1.5em;
  margin: 0;
  color: #ff8a8a;
}
#mp-status.info {
  color: #d8d8d8;
}
.screen p.note {
  font-size: 12px;
  color: #c8c8c8;
}

#click-to-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: auto;
  cursor: pointer;
  font-size: 22px;
  font-weight: bold;
}
#click-to-play span {
  padding: 14px 26px;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

/* ------------------------------------------------------------------ screens */

.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px;
  text-shadow: 2px 2px 0 #3a3a3a;
  overflow-y: auto;
}
.screen.dirt {
  background-color: #2b1f16;
  background-image: var(--dirt);
  background-size: 64px 64px;
  image-rendering: pixelated;
}
.screen.shade {
  background: rgba(0, 0, 0, 0.55);
}
.screen.pano {
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.5) 100%);
}
.screen.pano.dim {
  background: rgba(0, 0, 0, 0.5);
}
.screen h2 {
  margin: 0 0 8px;
  font-size: 20px;
}
.screen p {
  max-width: 640px;
  text-align: center;
  line-height: 1.5;
}

.logo-wrap {
  position: relative;
  margin-bottom: 32px;
}
.logo {
  margin: 0;
  font-size: clamp(40px, 9vw, 92px);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #cfcfcf;
  background: linear-gradient(#f4f4f4 0%, #b8b8b8 45%, #8e8e8e 55%, #6c6c6c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(3px 3px 0 #2a2a2a) drop-shadow(0 0 1px #000);
  text-shadow: none;
}
.splash {
  position: absolute;
  right: -30px;
  bottom: -8px;
  color: #ffff3c;
  font-weight: bold;
  font-size: clamp(14px, 2vw, 20px);
  transform: rotate(-18deg);
  animation: splash 0.5s ease-in-out infinite alternate;
  white-space: nowrap;
  text-shadow: 2px 2px 0 #3f3f00;
}
@keyframes splash {
  from {
    transform: rotate(-18deg) scale(1);
  }
  to {
    transform: rotate(-18deg) scale(1.08);
  }
}
.footer {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 12px;
  color: #ddd;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(400px, 92vw);
}
.menu.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(620px, 92vw);
}

button {
  font: bold 15px var(--font);
  color: #e6e6e6;
  text-shadow: 2px 2px 0 #383838;
  height: 40px;
  padding: 0 10px;
  background: #6f6f6f;
  border: 2px solid #000;
  box-shadow: inset 2px 2px 0 #a9a9a9, inset -2px -3px 0 #4d4d4d;
  cursor: pointer;
  image-rendering: pixelated;
}
button:hover:not(:disabled),
button:focus-visible {
  background: #7b86c2;
  box-shadow: inset 2px 2px 0 #b4bde9, inset -2px -3px 0 #505a8e;
  color: #ffffa0;
  outline: none;
}
button:disabled {
  background: #2d2d2d;
  box-shadow: none;
  color: #8f8f8f;
  cursor: default;
}

.list {
  width: min(620px, 92vw);
  height: min(46vh, 380px);
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.55);
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
  padding: 6px;
}
.list .item {
  padding: 8px 10px;
  border: 2px solid transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.list .item:hover {
  background: rgba(255, 255, 255, 0.06);
}
.list .item.selected {
  border-color: #c0c0c0;
  background: rgba(0, 0, 0, 0.4);
}
.list .item small {
  color: #9a9a9a;
}
.list .empty {
  color: #aaa;
  text-align: center;
  padding: 30px 10px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: min(400px, 92vw);
  margin-bottom: 10px;
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #a0a0a0;
  font-size: 13px;
}
input[type='text'],
.form input,
#inv-search {
  font: 15px var(--font);
  color: #fff;
  background: #000;
  border: 2px solid #a0a0a0;
  padding: 8px;
  outline: none;
}
.form input:focus,
#inv-search:focus {
  border-color: #fff;
}

.settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  width: min(640px, 92vw);
  margin-bottom: 8px;
}
.settings label {
  font-size: 13px;
  font-weight: bold;
}
.settings .slider {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #3a3a3a;
  border: 2px solid #000;
  padding: 6px 8px;
}
.settings .check {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #3a3a3a;
  border: 2px solid #000;
  padding: 10px 8px;
  cursor: pointer;
}
input[type='range'] {
  width: 100%;
  accent-color: #9aa3d6;
}
input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: #9aa3d6;
}

.controls {
  border-collapse: collapse;
  background: rgba(0, 0, 0, 0.5);
  font-size: 14px;
  margin-bottom: 10px;
}
.controls td {
  padding: 5px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.controls td:first-child {
  color: #ffff9a;
  text-align: right;
  white-space: nowrap;
}

.progress {
  width: min(400px, 80vw);
  height: 10px;
  background: #222;
  border: 2px solid #000;
}
#load-bar {
  height: 100%;
  width: 0;
  background: #7fce5c;
  transition: width 0.15s;
}

/* ------------------------------------------------------------------ inventory */

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
}
.panel {
  background: #c6c6c6;
  color: #3f3f3f;
  text-shadow: none;
  padding: 12px;
  border: 2px solid #000;
  box-shadow: inset 3px 3px 0 #fff, inset -3px -3px 0 #555;
  max-width: 96vw;
  max-height: 96vh;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-weight: bold;
}
#inv-search {
  font-size: 13px;
  padding: 4px 6px;
  width: 180px;
  border-color: #555;
  background: #000;
}
.slot-grid {
  display: grid;
  grid-template-columns: repeat(9, var(--slot));
  gap: 2px;
}
#inv-grid {
  max-height: 52vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  scrollbar-width: thin;
}
.hotbar-row {
  margin-top: 6px;
}
.slot-grid .slot {
  width: var(--slot);
  height: var(--slot);
  background: #8b8b8b;
  box-shadow: inset 2px 2px 0 #373737, inset -2px -2px 0 #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}
.slot-grid .slot:hover {
  background: #a8a8a8;
}
.slot-grid .slot.selected {
  outline: 3px solid #fff;
  outline-offset: -3px;
}
.panel .hint {
  margin: 0;
  font-size: 11px;
  color: #555;
  max-width: calc(var(--slot) * 9 + 16px);
}
#tooltip {
  position: fixed;
  pointer-events: none;
  background: rgba(16, 0, 16, 0.94);
  border: 2px solid #28006a;
  color: #fff;
  padding: 4px 8px;
  font-size: 13px;
  text-shadow: 2px 2px 0 #3a3a3a;
  z-index: 10;
}

.noscript {
  color: #fff;
  text-align: center;
  margin-top: 40vh;
}

@media (max-width: 640px) {
  .settings {
    grid-template-columns: 1fr;
  }
  .menu.grid2 {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------------ touch */

#touch {
  position: fixed;
  inset: 0;
  touch-action: none;
  -webkit-touch-callout: none;
}
#touch-area {
  position: absolute;
  inset: 0;
  touch-action: none;
}
#joy {
  position: absolute;
  width: 112px;
  height: 112px;
  margin: -56px 0 0 -56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 2px solid rgba(255, 255, 255, 0.35);
  pointer-events: none;
}
#joy-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: translate(-50%, -50%);
}
.tbtn {
  position: absolute;
  width: 64px;
  height: 64px;
  padding: 0;
  font-size: 26px;
  background: rgba(40, 40, 40, 0.45);
  border: 2px solid rgba(255, 255, 255, 0.45);
  box-shadow: none;
  color: #fff;
  touch-action: none;
}
.tbtn:hover,
.tbtn:focus-visible {
  background: rgba(40, 40, 40, 0.45);
  box-shadow: none;
  color: #fff;
}
.tbtn:active {
  background: rgba(255, 255, 255, 0.35);
}
.tbtn.small {
  width: 44px;
  height: 44px;
  font-size: 18px;
}
#t-jump {
  right: 24px;
  bottom: calc(var(--slot) + 40px);
}
#t-sneak {
  right: 100px;
  bottom: calc(var(--slot) + 28px);
  width: 52px;
  height: 52px;
}
#t-pause {
  right: 12px;
  top: 12px;
}
#t-inv {
  right: 64px;
  top: 12px;
}
#t-chat {
  right: 116px;
  top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
body.touch-mode #hotbar .slot {
  pointer-events: auto;
}
body.touch-mode #crosshair {
  opacity: 0.7;
}

/* ------------------------------------------------------------------ sign editor */

#sign-editor {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
#sign-editor[hidden] {
  display: none;
}
.sign-board {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: min(420px, 92vw);
  padding: 18px 14px 14px;
  background: #b48f5a;
  border: 4px solid #6e5233;
  box-shadow: inset 0 0 0 2px #c9a46c;
}
.sign-line {
  width: 100%;
  font: bold 22px monospace;
  text-align: center;
  color: #1d1208;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  outline: none;
  padding: 4px;
}
.sign-line:focus {
  background: rgba(255, 255, 255, 0.22);
}
.sign-board button {
  margin-top: 10px;
  width: 60%;
}