:root {
  --bg: #050c0b;
  --bg-soft: #081310;
  --panel: rgba(10, 21, 18, 0.9);
  --panel-solid: #0b1815;
  --line: rgba(133, 191, 166, 0.18);
  --line-strong: rgba(151, 211, 183, 0.35);
  --ink: #efe7cd;
  --muted: #8ea79b;
  --dim: #5c746a;
  --gold: #e7c653;
  --gold-bright: #ffe987;
  --green: #6cc68d;
  --green-bright: #a8f0bd;
  --cyan: #7dd8e7;
  --red: #ef7b63;
  --pink: #e994b9;
  --shadow: 0 24px 65px rgba(0, 0, 0, 0.55);
  --mono: "Courier New", "Consolas", "Microsoft YaHei UI", monospace;
  --sans: "Trebuchet MS", "Microsoft YaHei", "PingFang SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 8%, rgba(64, 129, 102, 0.16), transparent 34%),
    radial-gradient(circle at 85% 90%, rgba(112, 88, 40, 0.12), transparent 30%),
    linear-gradient(160deg, #040b0a 0%, #07110f 52%, #040a09 100%);
  font-family: var(--sans);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(120, 174, 148, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 174, 148, 0.035) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at center, black 10%, transparent 78%);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.hidden {
  display: none !important;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  padding: 18px 0 38px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 48px;
  margin-bottom: 16px;
  padding: 0 2px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
}

.brand-star {
  color: var(--gold);
  font-size: 18px;
  text-shadow: 0 0 14px rgba(231, 198, 83, 0.6);
}

.brand-name {
  font-weight: 800;
  font-size: 15px;
}

.brand-sub {
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.mode-chip {
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(11, 24, 20, 0.6);
  padding: 7px 11px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-right: 3px;
}

.icon-btn {
  border: 1px solid var(--line);
  background: rgba(12, 27, 22, 0.66);
  color: var(--muted);
  border-radius: 3px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: 150ms ease;
}

.icon-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(19, 42, 34, 0.9);
  transform: translateY(-1px);
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 294px;
  gap: 20px;
  align-items: start;
}

.board-column {
  min-width: 0;
}

.board-frame {
  position: relative;
  border: 1px solid rgba(150, 211, 184, 0.3);
  background: #06100e;
  padding: 7px;
  border-radius: 4px;
  box-shadow:
    0 0 0 4px rgba(6, 15, 13, 0.8),
    0 0 0 5px rgba(120, 181, 155, 0.13),
    0 32px 90px rgba(0, 0, 0, 0.62),
    inset 0 0 40px rgba(0, 0, 0, 0.6);
}

.board-frame::before,
.board-frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--gold);
  opacity: 0.72;
  pointer-events: none;
  z-index: 5;
}

.board-frame::before {
  top: -2px;
  left: -2px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.board-frame::after {
  bottom: -2px;
  right: -2px;
  border-bottom: 1px solid;
  border-right: 1px solid;
}

#game-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #07110f;
  border-radius: 2px;
  touch-action: none;
}

.crt-overlay {
  position: absolute;
  inset: 7px;
  pointer-events: none;
  border-radius: 2px;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.1) 0,
      rgba(0, 0, 0, 0.1) 1px,
      transparent 1px,
      transparent 3px
    );
  mix-blend-mode: multiply;
  opacity: 0.45;
  z-index: 2;
}

.crt-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 46%, transparent 52%, rgba(0, 0, 0, 0.34) 100%);
}

.board-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 3px 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}

.footer-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.footer-sep {
  color: rgba(117, 151, 136, 0.35);
}

.game-overlay {
  position: absolute;
  inset: 7px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  border-radius: 2px;
  background:
    radial-gradient(circle at 50% 45%, rgba(10, 26, 21, 0.58), rgba(3, 9, 8, 0.9) 72%),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.16) 0 1px, transparent 1px 3px);
  backdrop-filter: blur(2px);
  animation: overlayIn 180ms ease-out;
}

@keyframes overlayIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.overlay-card {
  width: min(430px, 100%);
  padding: 30px 28px 26px;
  border: 1px solid rgba(151, 211, 183, 0.32);
  background:
    linear-gradient(145deg, rgba(17, 37, 30, 0.96), rgba(7, 17, 14, 0.97));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), inset 0 0 50px rgba(93, 160, 132, 0.05);
  text-align: center;
  position: relative;
}

.overlay-card::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(151, 211, 183, 0.1);
  pointer-events: none;
}

.overlay-kicker {
  color: var(--green);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  margin-bottom: 12px;
}

.overlay-title {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.12;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  text-shadow: 0 0 30px rgba(231, 198, 83, 0.25);
}

.overlay-title.green {
  color: var(--green-bright);
  text-shadow: 0 0 30px rgba(108, 198, 141, 0.22);
}

.overlay-title.red {
  color: #ff9a80;
  text-shadow: 0 0 30px rgba(239, 123, 99, 0.24);
}

.overlay-desc {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.overlay-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0 0;
}

.overlay-stat {
  border: 1px solid var(--line);
  background: rgba(5, 14, 11, 0.6);
  padding: 10px 8px;
}

.overlay-stat span {
  display: block;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.13em;
  margin-bottom: 4px;
}

.overlay-stat b {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--ink);
  font-weight: 700;
}

.overlay-countdown {
  margin: 18px 0 0;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.overlay-countdown b {
  color: var(--ink);
  font-size: 18px;
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 23px;
}

.overlay-btn {
  border: 1px solid var(--line-strong);
  background: rgba(24, 49, 40, 0.8);
  color: var(--ink);
  border-radius: 2px;
  padding: 11px 17px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: 150ms ease;
}

.overlay-btn:hover {
  background: rgba(35, 70, 56, 0.95);
  transform: translateY(-1px);
}

.overlay-btn.primary {
  border-color: rgba(231, 198, 83, 0.55);
  color: #1c1a0c;
  background: linear-gradient(180deg, #f2d76f, #d5ae35);
  font-weight: 800;
}

.overlay-btn.primary:hover {
  background: linear-gradient(180deg, #ffe98b, #e3be49);
}

.overlay-btn.ghost {
  background: transparent;
  color: var(--muted);
}

.hud {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.hud-card {
  position: relative;
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(14, 31, 25, 0.88), rgba(7, 17, 14, 0.9));
  padding: 14px 14px 13px;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.24);
}

.hud-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 1px;
  background: var(--gold);
  opacity: 0.65;
}

.hud-eyebrow {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.22em;
  margin-bottom: 9px;
}

.stage-line {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stage-number {
  font-family: var(--mono);
  font-size: 38px;
  font-weight: 800;
  line-height: 0.9;
  color: var(--gold-bright);
  text-shadow: 0 0 20px rgba(231, 198, 83, 0.22);
}

.stage-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.stage-meta strong {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stage-meta span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
}

.enemy-counter {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 15px;
  padding-top: 12px;
  border-top: 1px solid rgba(133, 191, 166, 0.1);
}

.enemy-number {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: #ffb18f;
  min-width: 52px;
}

.enemy-label {
  color: var(--ink);
  font-size: 11px;
  line-height: 1.35;
}

.enemy-label span {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.14em;
}

.enemy-icons {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  margin-top: 11px;
  min-height: 9px;
}

.enemy-mini {
  display: block;
  width: 100%;
  aspect-ratio: 1.25 / 1;
  background: linear-gradient(180deg, #a8b6ab, #5f7267);
  border-radius: 1px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.18);
  opacity: 0.78;
}

.enemy-mini.cleared {
  background: rgba(97, 127, 110, 0.16);
  box-shadow: none;
}

.player-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.player-hud {
  border: 1px solid rgba(126, 180, 155, 0.14);
  background: rgba(5, 14, 11, 0.46);
  padding: 10px 10px 9px;
}

.player-hud.p1 {
  border-left: 2px solid rgba(232, 201, 74, 0.75);
}

.player-hud.p2 {
  border-left: 2px solid rgba(121, 185, 120, 0.75);
}

.player-hud.eliminated {
  opacity: 0.5;
  filter: grayscale(0.6);
}

.player-hud-head {
  display: flex;
  align-items: center;
  gap: 7px;
}

.player-hud-head b {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.player-tag {
  border: 1px solid rgba(125, 216, 231, 0.4);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  padding: 1px 4px;
}

.player-score {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
}

.player-hud-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 7px;
}

.player-lives {
  display: flex;
  align-items: center;
  gap: 3px;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 9px;
}

.life-block {
  width: 9px;
  height: 9px;
  background: var(--gold);
  clip-path: polygon(18% 0, 82% 0, 82% 22%, 100% 22%, 100% 78%, 82% 78%, 82% 100%, 18% 100%, 18% 78%, 0 78%, 0 22%, 18% 22%);
}

.player-hud.p2 .life-block {
  background: var(--green);
}

.life-block.lost {
  background: rgba(147, 173, 160, 0.17);
}

.player-power {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
}

.power-star {
  color: rgba(138, 160, 148, 0.25);
  font-size: 11px;
}

.power-star.lit {
  color: var(--gold-bright);
  text-shadow: 0 0 6px rgba(255, 233, 135, 0.5);
}

.player-status {
  margin-top: 6px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.player-status .alive {
  color: var(--green);
}

.player-status .dead {
  color: var(--red);
}

.player-status .ai {
  color: var(--cyan);
}

.effect-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 22px;
}

.effect-chip {
  border: 1px solid rgba(125, 216, 231, 0.3);
  color: var(--cyan);
  background: rgba(39, 91, 91, 0.18);
  padding: 4px 7px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
}

.effect-chip.gold {
  border-color: rgba(231, 198, 83, 0.32);
  color: var(--gold);
  background: rgba(112, 89, 24, 0.16);
}

.effect-chip.red {
  border-color: rgba(239, 123, 99, 0.32);
  color: #ffa68e;
  background: rgba(100, 40, 29, 0.18);
}

.empty-effect {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
}

.score-total {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid rgba(133, 191, 166, 0.1);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.11em;
}

.control-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 8px;
}

.control-row:first-of-type {
  margin-top: 0;
}

.player-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 4px;
  flex: 0 0 auto;
}

.player-dot.p1 {
  background: var(--gold);
  box-shadow: 0 0 7px rgba(232, 201, 74, 0.5);
}

.player-dot.p2 {
  background: var(--green);
  box-shadow: 0 0 7px rgba(108, 198, 141, 0.5);
}

.control-row div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.control-row b {
  font-family: var(--mono);
  font-size: 9px;
}

.control-row span {
  color: var(--muted);
  font-size: 10px;
}

.control-tips {
  margin-top: 10px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.02em;
}

.hud-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.secondary-btn,
.primary-btn {
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(15, 34, 27, 0.7);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  padding: 10px 12px;
  cursor: pointer;
  transition: 150ms ease;
}

.secondary-btn:hover {
  color: var(--ink);
  background: rgba(27, 58, 46, 0.85);
  border-color: rgba(162, 227, 196, 0.45);
}

.primary-btn {
  border-color: rgba(231, 198, 83, 0.55);
  background: linear-gradient(180deg, #efd56a, #d0a932);
  color: #1c1a0c;
  font-weight: 800;
  font-size: 11px;
}

.primary-btn:hover {
  background: linear-gradient(180deg, #ffeb91, #e1bb43);
}

.green-btn {
  border-color: rgba(108, 198, 141, 0.55);
  background: linear-gradient(180deg, #85dca2, #56ad76);
}

.green-btn:hover {
  background: linear-gradient(180deg, #a0efb9, #6bc38b);
}

.danger-ghost {
  color: #cf7d6b;
  border-color: rgba(207, 125, 107, 0.25);
}

.danger-ghost:hover {
  color: #ffad98;
  border-color: rgba(239, 123, 99, 0.45);
  background: rgba(63, 24, 19, 0.45);
}

/* Start screen */

.start-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  overflow: auto;
  background:
    radial-gradient(circle at 22% 25%, rgba(49, 106, 85, 0.2), transparent 35%),
    radial-gradient(circle at 80% 75%, rgba(126, 100, 34, 0.12), transparent 30%),
    rgba(3, 9, 8, 0.94);
  backdrop-filter: blur(5px);
}

.start-bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(123, 177, 151, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 177, 151, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black, transparent 76%);
}

.start-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 52px;
  width: min(1040px, 100%);
  padding: 44px 48px;
  border: 1px solid rgba(151, 211, 183, 0.22);
  background:
    linear-gradient(145deg, rgba(12, 28, 23, 0.9), rgba(5, 13, 11, 0.94));
  box-shadow: var(--shadow), inset 0 0 100px rgba(84, 150, 123, 0.04);
}

.start-card::before,
.start-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.start-card::before {
  inset: 8px;
  border: 1px solid rgba(151, 211, 183, 0.08);
}

.start-card::after {
  top: -1px;
  left: 48px;
  width: 110px;
  height: 1px;
  background: var(--gold);
  box-shadow: 0 0 12px rgba(231, 198, 83, 0.45);
}

.start-art {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(133, 191, 166, 0.12);
  padding-right: 46px;
}

.art-topline,
.art-scores {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
}

.art-topline {
  color: var(--dim);
  font-size: 8px;
  letter-spacing: 0.11em;
}

.art-scores {
  color: var(--gold);
  font-size: 12px;
  margin-top: 4px;
}

.art-scores span:nth-child(2) {
  color: var(--red);
}

.tank-art {
  width: 100%;
  max-width: 340px;
  margin: 22px auto 16px;
  filter: drop-shadow(0 26px 28px rgba(0, 0, 0, 0.38));
  animation: artFloat 5.5s ease-in-out infinite;
}

@keyframes artFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.art-caption {
  text-align: center;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.start-menu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.start-kicker {
  color: var(--green);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.27em;
  margin-bottom: 10px;
}

.game-title {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(48px, 7vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.055em;
  font-weight: 900;
  color: var(--ink);
  text-shadow:
    3px 3px 0 rgba(0, 0, 0, 0.5),
    0 0 35px rgba(239, 231, 205, 0.08);
}

.game-title span {
  color: var(--gold-bright);
  text-shadow:
    3px 3px 0 rgba(0, 0, 0, 0.5),
    0 0 35px rgba(231, 198, 83, 0.22);
}

.game-subtitle {
  margin: 14px 0 24px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.game-subtitle span {
  color: var(--gold);
}

.mode-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mode-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  min-height: 59px;
  border: 1px solid rgba(139, 197, 171, 0.18);
  background: rgba(7, 18, 14, 0.7);
  padding: 11px 14px;
  text-align: left;
  cursor: pointer;
  transition: 160ms ease;
  overflow: hidden;
}

.mode-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(231, 198, 83, 0.06), transparent 55%);
  opacity: 0;
  transition: 160ms ease;
}

.mode-btn:hover {
  border-color: rgba(168, 226, 199, 0.42);
  background: rgba(16, 36, 28, 0.88);
  transform: translateX(2px);
}

.mode-btn:hover::after {
  opacity: 1;
}

.mode-btn.primary {
  border-color: rgba(231, 198, 83, 0.48);
  background: linear-gradient(95deg, rgba(126, 102, 27, 0.28), rgba(15, 30, 23, 0.7));
}

.mode-btn.outline {
  border-style: dashed;
}

.mode-icon {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 34px;
  border: 1px solid rgba(231, 198, 83, 0.32);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: -0.08em;
  background: rgba(95, 78, 22, 0.2);
}

.mode-icon.green {
  color: var(--green);
  border-color: rgba(108, 198, 141, 0.3);
  background: rgba(38, 91, 58, 0.18);
}

.mode-icon.cyan {
  color: var(--cyan);
  border-color: rgba(125, 216, 231, 0.3);
  background: rgba(36, 79, 86, 0.2);
  font-size: 9px;
}

.mode-text {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.mode-text b {
  font-size: 14px;
  font-weight: 700;
}

.mode-text small {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mode-arrow {
  position: relative;
  z-index: 1;
  color: var(--dim);
  font-size: 24px;
  line-height: 1;
  transition: 160ms ease;
}

.mode-btn:hover .mode-arrow {
  color: var(--gold);
  transform: translateX(3px);
}

.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mode-btn.compact {
  min-height: 56px;
  padding: 9px 11px;
  gap: 9px;
}

.mode-btn.compact .mode-icon {
  width: 31px;
  height: 29px;
  font-size: 9px;
}

.mode-btn.compact .mode-text b {
  font-size: 12px;
}

.mode-btn.compact .mode-text small {
  font-size: 7px;
}

.start-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid rgba(133, 191, 166, 0.1);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.03em;
}

.text-btn {
  margin-left: auto;
  background: none;
  border: 0;
  color: var(--muted);
  border-bottom: 1px solid rgba(142, 167, 155, 0.3);
  padding: 0 0 2px;
  font-family: var(--mono);
  font-size: 8px;
  cursor: pointer;
}

.text-btn:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* Editor */

.editor-screen {
  position: fixed;
  inset: 0;
  z-index: 90;
  overflow: auto;
  padding: 24px;
  background:
    radial-gradient(circle at 80% 10%, rgba(56, 103, 84, 0.14), transparent 30%),
    rgba(3, 9, 8, 0.97);
  backdrop-filter: blur(6px);
}

.editor-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  border: 1px solid rgba(151, 211, 183, 0.22);
  background: rgba(7, 17, 14, 0.88);
  box-shadow: var(--shadow);
}

.editor-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}

.editor-header h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: 28px;
  letter-spacing: 0.02em;
}

.editor-header p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  padding: 22px;
}

.editor-board-wrap {
  min-width: 0;
  padding: 7px;
  border: 1px solid rgba(151, 211, 183, 0.25);
  background: #06100e;
  align-self: start;
}

#editor-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  cursor: crosshair;
  image-rendering: pixelated;
}

.editor-board-hint {
  padding: 9px 4px 2px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.02em;
}

.editor-panel {
  display: flex;
  flex-direction: column;
  gap: 13px;
  max-height: calc(100vh - 190px);
  overflow: auto;
  padding-right: 3px;
}

.editor-section {
  border: 1px solid var(--line);
  background: rgba(9, 22, 18, 0.62);
  padding: 13px;
}

.field-label {
  display: block;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.13em;
  margin-bottom: 6px;
}

.text-input {
  width: 100%;
  border: 1px solid rgba(139, 197, 171, 0.22);
  background: rgba(3, 10, 8, 0.72);
  color: var(--ink);
  border-radius: 2px;
  padding: 9px 10px;
  font-family: var(--mono);
  font-size: 11px;
  outline: none;
  transition: 150ms ease;
}

.text-input:focus {
  border-color: rgba(231, 198, 83, 0.5);
  box-shadow: 0 0 0 2px rgba(231, 198, 83, 0.08);
}

.field-row {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  margin-top: 12px;
}

.mix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.mix-grid label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  color: var(--muted);
  font-size: 9px;
  border: 1px solid rgba(139, 197, 171, 0.12);
  padding: 4px 6px;
}

.mix-grid input {
  width: 34px;
  border: 0;
  background: rgba(3, 10, 8, 0.7);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 3px;
  text-align: right;
  outline: none;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(139, 197, 171, 0.14);
  background: rgba(5, 14, 11, 0.6);
  color: var(--muted);
  padding: 8px 7px;
  font-size: 10px;
  cursor: pointer;
  transition: 140ms ease;
}

.tool-btn i {
  width: 12px;
  height: 12px;
  background: var(--swatch);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35);
  flex: 0 0 auto;
}

.tool-btn:hover {
  border-color: rgba(162, 227, 196, 0.32);
  color: var(--ink);
}

.tool-btn.active {
  border-color: rgba(231, 198, 83, 0.55);
  color: var(--gold-bright);
  background: rgba(112, 89, 24, 0.17);
}

.editor-button-row {
  display: flex;
  gap: 6px;
  margin-top: 9px;
}

.editor-button-row .secondary-btn,
.editor-button-row .primary-btn {
  flex: 1;
  padding: 9px 8px;
  font-size: 9px;
}

.play-row {
  margin-top: 0;
  margin-bottom: 7px;
}

.secondary-btn.small {
  flex: 0 0 auto;
  padding: 8px 9px;
  font-size: 8px;
}

.saved-row {
  display: flex;
  gap: 5px;
}

.saved-row .text-input {
  flex: 1;
  min-width: 0;
  padding: 8px;
}

.json-area {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  border: 1px solid rgba(139, 197, 171, 0.16);
  background: rgba(2, 8, 6, 0.7);
  color: #9fc6b3;
  padding: 8px;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.5;
  outline: none;
}

.json-area:focus {
  border-color: rgba(125, 216, 231, 0.35);
}

/* Modal */

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: rgba(2, 8, 7, 0.82);
  backdrop-filter: blur(5px);
}

.modal-card {
  width: min(760px, 100%);
  max-height: calc(100vh - 60px);
  overflow: auto;
  border: 1px solid rgba(151, 211, 183, 0.25);
  background: linear-gradient(145deg, rgba(14, 31, 25, 0.98), rgba(6, 15, 12, 0.99));
  box-shadow: var(--shadow);
  padding: 26px 28px;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.modal-head h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: 27px;
}

.help-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 22px;
  padding-top: 20px;
}

.help-grid h3 {
  margin: 0 0 12px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
}

.help-wide {
  grid-column: 1 / -1;
}

.key-table {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.key-table > div {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 11px;
}

.key-table > div > span:first-child {
  width: 74px;
  color: var(--ink);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 23px;
  height: 23px;
  padding: 0 5px;
  border: 1px solid rgba(151, 211, 183, 0.3);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: rgba(18, 39, 31, 0.72);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
}

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

.rule-list {
  margin: 0;
  padding-left: 17px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}

.powerup-legend {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.powerup-legend span {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(133, 191, 166, 0.12);
  background: rgba(5, 14, 11, 0.5);
  padding: 9px 11px;
  color: var(--muted);
  font-size: 10px;
}

.powerup-legend i {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 13px;
  border: 1px solid currentColor;
}

.legend-star {
  color: var(--gold);
}

.legend-helmet {
  color: var(--cyan);
}

.legend-grenade {
  color: var(--red);
}

.legend-clock {
  color: #c8a7ff;
}

.legend-shovel {
  color: #b7c6d6;
}

.legend-life {
  color: var(--pink);
}

/* Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 200;
  transform: translateX(-50%);
  border: 1px solid rgba(151, 211, 183, 0.35);
  background: rgba(7, 20, 16, 0.96);
  color: var(--ink);
  padding: 11px 18px;
  font-family: var(--mono);
  font-size: 11px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
  animation: toastIn 180ms ease-out;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Scrollbars */

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(127, 183, 157, 0.28) transparent;
}

*::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

*::-webkit-scrollbar-thumb {
  background: rgba(127, 183, 157, 0.28);
  border-radius: 8px;
}

@media (max-width: 1000px) {
  .game-layout {
    grid-template-columns: 1fr;
  }

  .hud {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .hud-actions {
    grid-column: 1 / -1;
    max-width: 380px;
  }

  .start-card {
    gap: 36px;
    padding: 38px;
  }

  .start-art {
    padding-right: 32px;
  }

  .editor-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (max-width: 820px) {
  .app-shell {
    width: min(100% - 24px, 720px);
    padding-top: 12px;
  }

  .topbar {
    align-items: flex-start;
  }

  .brand-sub,
  .mode-chip {
    display: none;
  }

  .start-screen {
    padding: 16px;
    align-items: flex-start;
  }

  .start-card {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 28px 24px;
  }

  .start-art {
    border-right: 0;
    border-bottom: 1px solid rgba(133, 191, 166, 0.12);
    padding: 0 0 24px;
  }

  .tank-art {
    max-width: 230px;
    margin: 14px auto 8px;
  }

  .game-title {
    font-size: 58px;
  }

  .editor-screen {
    padding: 10px;
  }

  .editor-layout {
    grid-template-columns: 1fr;
  }

  .editor-panel {
    max-height: none;
    overflow: visible;
  }

  .editor-header {
    padding: 18px;
  }

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

  .powerup-legend {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .hud {
    grid-template-columns: 1fr;
  }

  .top-actions .icon-btn:not(#sound-btn) {
    display: none;
  }

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

  .start-footer span:nth-child(2),
  .start-footer span:nth-child(3) {
    display: none;
  }

  .board-footer {
    font-size: 8px;
  }

  .overlay-card {
    padding: 24px 18px 20px;
  }

  .overlay-stats {
    grid-template-columns: 1fr 1fr;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .editor-panel {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}