:root {
  --page: #101412;
  --cream: #f4ead4;
  --page-soft: #171d1a;
  --panel: #fff7e7;
  --panel-2: #f3e8d2;
  --ink: #151b18;
  --muted: #718178;
  --line: rgba(255, 247, 231, 0.18);
  --line-dark: rgba(21, 27, 24, 0.14);
  --teal: #19a99a;
  --coral: #ef6b53;
  --amber: #f4b343;
  --lime: #a9d85f;
  --blue: #5da7c9;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--cream);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgba(16, 20, 18, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 20, 18, 0.04) 1px, transparent 1px),
    var(--cream);
  background-size: 30px 30px, 30px 30px, auto;
  color: var(--panel);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  display: grid;
  grid-template-columns: minmax(224px, 260px) minmax(0, 1fr);
  gap: 18px;
  width: min(1360px, calc(100vw - 28px));
  min-height: min(790px, calc(100vh - 28px));
  margin: 14px auto;
}

.rail,
.arena {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 18, 16, 0.94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 247, 231, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), var(--coral));
  color: var(--page);
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

.brand h1 {
  font-size: 1.15rem;
  line-height: 1.1;
}

.brand p,
.mode-card small,
.quick-panel p,
.eyebrow {
  color: rgba(255, 247, 231, 0.66);
  font-size: 0.82rem;
}

.mode-list {
  display: grid;
  gap: 9px;
}

.mode-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 66px;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.045);
  color: var(--panel);
  text-align: left;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.mode-card:hover,
.mode-card:focus-visible {
  border-color: rgba(25, 169, 154, 0.48);
  background: rgba(255, 247, 231, 0.08);
  outline: none;
  transform: translateY(-1px);
}

.mode-card.active {
  border-color: rgba(25, 169, 154, 0.7);
  background: rgba(25, 169, 154, 0.16);
}

.mode-card strong,
.mode-card small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-icon {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: #26302b;
  overflow: hidden;
}

.mode-icon::before,
.mode-icon::after {
  content: "";
  position: absolute;
}

.mode-icon.meteor::before {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: -12px 10px 0 var(--amber), 12px -9px 0 var(--teal);
  left: 13px;
  top: 12px;
}

.mode-icon.brick {
  background:
    linear-gradient(90deg, var(--coral) 0 45%, transparent 45% 55%, var(--amber) 55%),
    linear-gradient(var(--teal) 0 44%, transparent 44% 56%, var(--lime) 56%);
  background-size: 100% 50%, 100% 100%;
}

.mode-icon.match::before {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--lime);
  box-shadow: 15px 0 0 var(--teal), 0 15px 0 var(--amber), 15px 15px 0 var(--coral);
  left: 7px;
  top: 7px;
}

.mode-icon.word::before {
  width: 18px;
  height: 13px;
  border-radius: 7px 7px 4px 4px;
  background: var(--lime);
  box-shadow: 13px 8px 0 -4px var(--amber), -5px 13px 0 -5px var(--teal);
  left: 8px;
  top: 15px;
}

.mode-icon.word::after {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--coral);
  left: 24px;
  top: 12px;
}

.mode-icon.trail::before {
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--teal);
  box-shadow: 10px 0 0 var(--teal), 20px 0 0 var(--teal), 20px 10px 0 var(--lime), 20px 20px 0 var(--coral);
  left: 7px;
  top: 7px;
}

.quick-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.07);
}

.quick-panel h2 {
  font-size: 0.98rem;
}

.arena {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
}

.topbar {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
}

.topbar h2 {
  color: var(--panel);
  font-size: clamp(1.7rem, 2.2vw, 2.55rem);
  line-height: 1.02;
}

.eyebrow {
  margin-bottom: 5px;
  font-weight: 800;
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(104px, auto)) 46px;
  gap: 8px;
  align-items: stretch;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080c0b;
}

.hud span {
  display: grid;
  min-height: 56px;
  align-content: center;
  gap: 1px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.07);
  color: rgba(255, 247, 231, 0.62);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hud strong {
  color: var(--panel);
  font-size: 1.12rem;
  text-transform: none;
}

.icon-button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.1);
  color: var(--panel);
  font-weight: 900;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  border-color: rgba(25, 169, 154, 0.62);
  background: rgba(25, 169, 154, 0.16);
  outline: none;
  transform: translateY(-1px);
}

.help-bar {
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.08);
  color: rgba(255, 247, 231, 0.78);
  line-height: 1.35;
}

.stage-frame {
  display: block;
  min-height: 0;
  flex: 1;
  place-items: center;
  border: 1px solid rgba(255, 247, 231, 0.2);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 247, 231, 0.08), rgba(255, 247, 231, 0.03)),
    #0a0f0d;
  overflow: hidden;
}

.play-zone {
  display: grid;
  width: 100%;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) 260px;
  align-items: stretch;
  padding: 14px;
}

.stage {
  display: grid;
  width: 100%;
  min-height: 500px;
  max-height: calc(100vh - 222px);
  place-items: center;
  padding: 0;
  outline: none;
}

.canvas-wrap {
  position: relative;
  width: 100%;
  min-width: 0;
}

.canvas-wrap::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(255, 247, 231, 0.08);
  border-radius: 8px;
  pointer-events: none;
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255, 247, 231, 0.24);
  border-radius: 8px;
  background: #080d0b;
  box-shadow: inset 0 0 0 2px rgba(255, 247, 231, 0.04);
}

.mode-info {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(255, 247, 231, 0.2);
  border-radius: 8px;
  background: #080c0b;
}

.ship-badge {
  display: grid;
  height: 92px;
  place-items: center;
}

.ship-badge span {
  position: relative;
  display: block;
  width: 58px;
  height: 76px;
  filter: drop-shadow(0 0 14px rgba(25, 169, 154, 0.72));
}

.ship-badge span::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0, 86% 82%, 58% 66%, 50% 94%, 42% 66%, 14% 82%);
  background: linear-gradient(180deg, #fff7e7, #19a99a 50%, #0f5f58);
}

.ship-badge span::after {
  content: "";
  position: absolute;
  left: 24px;
  top: 25px;
  width: 10px;
  height: 18px;
  border-radius: 5px;
  background: #5deee0;
}

.mode-info h3 {
  margin: 0;
  color: var(--teal);
  font-size: 1.65rem;
  line-height: 1.03;
  text-transform: uppercase;
}

.mode-info p {
  color: rgba(255, 247, 231, 0.78);
  line-height: 1.45;
}

.mode-info ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(25, 169, 154, 0.44);
  color: rgba(255, 247, 231, 0.78);
  list-style: none;
}

.mode-info li {
  position: relative;
  padding-left: 26px;
  line-height: 1.35;
}

.mode-info li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.34em;
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: var(--amber);
  box-shadow: 0 0 14px rgba(244, 179, 67, 0.6);
}

.info-action {
  min-height: 56px;
  margin-top: auto;
  border: 1px solid rgba(25, 169, 154, 0.72);
  border-radius: 8px;
  background: linear-gradient(180deg, #49d5c5, #19a99a);
  color: #08100d;
  font-size: 1.08rem;
  font-weight: 900;
  text-transform: uppercase;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
}

.control,
.mini-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.09);
  color: var(--panel);
  font-weight: 900;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.control {
  min-width: 104px;
  padding: 0 15px;
}

.control.primary {
  border-color: rgba(25, 169, 154, 0.72);
  background: var(--teal);
  color: #07100d;
}

.control:hover,
.control:focus-visible,
.mini-button:hover,
.mini-button:focus-visible {
  border-color: rgba(244, 179, 67, 0.72);
  background: rgba(244, 179, 67, 0.16);
  outline: none;
  transform: translateY(-1px);
}

.control.primary:hover,
.control.primary:focus-visible {
  background: var(--lime);
}

.extra-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.mini-button {
  min-width: 42px;
  padding: 0 12px;
}

.memory-board {
  display: grid;
  width: min(100%, 520px);
  aspect-ratio: 1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.memory-card {
  position: relative;
  border: 1px solid rgba(255, 247, 231, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(25, 169, 154, 0.28), rgba(239, 107, 83, 0.16)),
    #17211d;
  color: var(--panel);
  font-size: clamp(1.2rem, 5vw, 2.15rem);
  font-weight: 900;
  overflow: hidden;
  transition:
    transform 220ms ease,
    background 220ms ease,
    border-color 220ms ease;
}

.memory-card::before {
  content: "";
  position: absolute;
  inset: -30% 45% auto -30%;
  height: 90%;
  transform: rotate(35deg);
  background: rgba(255, 247, 231, 0.14);
}

.memory-card::after {
  content: "?";
  position: relative;
}

.memory-card.revealed,
.memory-card.matched {
  border-color: rgba(169, 216, 95, 0.74);
  background: var(--panel);
  color: var(--ink);
  transform: rotateY(180deg);
}

.memory-card.revealed::after,
.memory-card.matched::after {
  content: attr(data-symbol);
  display: inline-block;
  transform: rotateY(180deg);
}

.memory-card.matched {
  background: linear-gradient(135deg, #fff7e7, #dff2ba);
}

.word-panel {
  display: grid;
  width: min(100%, 560px);
  gap: 15px;
  justify-items: center;
}

.word-grid {
  display: grid;
  width: min(100%, 380px);
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.word-cell {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 247, 231, 0.2);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.08);
  color: var(--panel);
  font-size: clamp(1.1rem, 5vw, 1.7rem);
  font-weight: 900;
  text-transform: uppercase;
}

.word-cell.filled {
  border-color: rgba(255, 247, 231, 0.42);
  background: rgba(255, 247, 231, 0.14);
}

.word-cell.correct {
  border-color: rgba(169, 216, 95, 0.8);
  background: #a9d85f;
  color: #121713;
}

.word-cell.present {
  border-color: rgba(244, 179, 67, 0.8);
  background: #f4b343;
  color: #121713;
}

.word-cell.absent {
  background: rgba(255, 247, 231, 0.2);
  color: rgba(255, 247, 231, 0.62);
}

.word-note {
  min-height: 22px;
  color: rgba(255, 247, 231, 0.72);
  text-align: center;
}

.keypad {
  display: grid;
  gap: 6px;
  width: min(100%, 540px);
}

.key-row {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.key {
  min-width: 32px;
  min-height: 38px;
  border: 1px solid rgba(255, 247, 231, 0.18);
  border-radius: 8px;
  background: rgba(255, 247, 231, 0.09);
  color: var(--panel);
  font-size: 0.84rem;
  font-weight: 900;
}

.key.wide {
  min-width: 60px;
}

.key.correct {
  background: var(--lime);
  color: #111711;
}

.key.present {
  background: var(--amber);
  color: #111711;
}

.key.absent {
  background: rgba(255, 247, 231, 0.18);
  color: rgba(255, 247, 231, 0.56);
}

@media (max-width: 860px) {
  .shell {
    grid-template-columns: 1fr;
    width: calc(100vw - 20px);
    max-width: 680px;
    min-height: auto;
    margin: 10px auto;
  }

  .rail {
    gap: 14px;
  }

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

  .quick-panel {
    margin-top: 0;
  }

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

  .hud {
    width: 100%;
    grid-template-columns: repeat(3, 1fr) 46px;
  }

  .play-zone {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .mode-info {
    display: none;
  }

  .stage {
    min-height: 390px;
    max-height: none;
    padding: 12px;
  }

  .controls {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .control {
    flex: 1 1 130px;
  }

  .extra-controls {
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }
}

@media (max-width: 540px) {
  .mode-list {
    grid-template-columns: 1fr;
  }

  .arena,
  .rail {
    padding: 13px;
  }

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

  #resetMode {
    width: auto;
  }

  .stage {
    min-height: 330px;
  }

  .memory-board {
    gap: 7px;
  }

  .key {
    min-width: 25px;
    min-height: 34px;
    padding: 0 4px;
    font-size: 0.75rem;
  }

  .key.wide {
    min-width: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}