:root {
  color-scheme: dark;
  --sand: #e0b56c;
  --sand-deep: #b7803e;
  --panel: #182027;
  --panel-soft: #22313a;
  --steel: #5d6c70;
  --cream: #ffe0a2;
  --red: #e44a3f;
  --blue: #3a8bea;
  --green: #77c76b;
  --ink: #f7f1dc;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(16, 26, 31, 0.94), rgba(45, 45, 36, 0.86)),
    radial-gradient(circle at 18% 8%, rgba(255, 214, 130, 0.22), transparent 34%),
    #10191f;
  color: var(--ink);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 16px;
}

.hud {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(260px, 0.85fr) minmax(220px, 1fr);
  gap: 12px;
  align-items: stretch;
  margin-bottom: 12px;
}

.team-panel,
.mission-panel {
  min-width: 0;
  border: 1px solid rgba(255, 231, 166, 0.2);
  border-radius: 8px;
  background: rgba(18, 26, 31, 0.86);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.team-panel {
  padding: 10px 12px;
}

.mission-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-content: center;
  padding: 12px;
}

.team-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 1rem;
}

.team-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

.team-red .team-dot {
  background: var(--red);
}

.team-blue .team-dot {
  background: var(--blue);
}

.health-track {
  position: relative;
  height: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.32);
}

.health-track span {
  display: block;
  width: 100%;
  height: 100%;
  transition: width 180ms ease;
}

.team-red .health-track span {
  background: linear-gradient(90deg, #bd2f29, #ff6b55, #ffc08e);
}

.team-blue .health-track span {
  background: linear-gradient(90deg, #246bd1, #58a8ff, #a9e3ff);
}

.readout {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 7px;
  color: rgba(255, 241, 210, 0.82);
  font-size: 0.9rem;
}

.score-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 7px;
  color: #ffe3aa;
  font-size: 0.86rem;
}

.gear-row,
.scene-tabs {
  display: grid;
  gap: 6px;
}

.gear-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 8px;
}

.scene-tabs {
  grid-column: 1 / -1;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.gear-row button,
.scene-tabs button {
  min-height: 30px;
  border-radius: 6px;
  background: rgba(55, 74, 79, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffefc2;
  font-size: 0.8rem;
  font-weight: 750;
  transition:
    transform 120ms ease,
    filter 120ms ease,
    border-color 120ms ease,
    background 120ms ease;
}

.gear-row button.is-active,
.scene-tabs button.is-active {
  background: #d99b36;
  border-color: rgba(255, 243, 196, 0.72);
  color: #172129;
}

.gear-row button.is-locked {
  cursor: not-allowed;
  color: rgba(255, 241, 210, 0.4);
  background: rgba(31, 42, 46, 0.72);
}

.gear-row button:hover,
.scene-tabs button:hover {
  filter: brightness(1.08);
}

.primary-action,
.secondary-action {
  min-height: 42px;
  border-radius: 7px;
  transition:
    transform 120ms ease,
    filter 120ms ease,
    background 120ms ease;
}

.primary-action {
  background: #e7a931;
  color: #172129;
  font-weight: 800;
}

.secondary-action {
  background: #2d434a;
  color: #f5e9c9;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.primary-action:hover,
.secondary-action:hover,
.control-pad button:hover {
  filter: brightness(1.08);
}

.primary-action:active,
.secondary-action:active,
.control-pad button:active,
.control-pad button.is-held {
  transform: translateY(1px) scale(0.98);
}

.storm-status {
  grid-column: 1 / -1;
  min-height: 28px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: rgba(199, 141, 64, 0.2);
  color: #ffe3aa;
  font-size: 0.9rem;
}

.storm-status.is-active {
  background: rgba(224, 166, 83, 0.36);
  color: #fff5d8;
}

.storm-status.weather-rain {
  background: rgba(64, 126, 155, 0.28);
}

.storm-status.weather-fog {
  background: rgba(158, 179, 156, 0.24);
}

.storm-status.weather-wind {
  background: rgba(165, 199, 111, 0.24);
}

.storm-status.weather-heat {
  background: rgba(206, 114, 60, 0.26);
}

.battle-layout {
  display: grid;
  gap: 12px;
}

.arena-panel {
  position: relative;
  min-height: 410px;
  height: min(58vh, 650px);
  overflow: hidden;
  border: 1px solid rgba(255, 232, 174, 0.28);
  border-radius: 8px;
  background: #79c2dd;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 22px 60px rgba(0, 0, 0, 0.34);
}

#battlefield {
  display: block;
  width: 100%;
  height: 100%;
}

#redCockpit,
#blueCockpit {
  display: block;
  width: 100%;
}

.round-banner {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 9px 16px;
  border-radius: 7px;
  background: rgba(13, 21, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff1c7;
  font-weight: 800;
  text-align: center;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.round-banner.is-hidden {
  opacity: 0;
  transform: translate(-50%, -8px);
}

.cockpit-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cockpit-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 232, 174, 0.24);
  border-radius: 8px;
  background: rgba(16, 23, 27, 0.92);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
}

.cockpit-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  color: #ffedbf;
}

.cockpit-heading span {
  color: rgba(255, 237, 191, 0.76);
}

.cockpit-panel canvas {
  height: 230px;
  background: #121a1d;
}

.control-pad {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
}

.control-pad button {
  min-height: 42px;
  border-radius: 7px;
  background: #2b3d43;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff4d3;
  font-size: 0.95rem;
  font-weight: 750;
  white-space: nowrap;
}

.red-cockpit .control-pad button {
  border-color: rgba(228, 74, 63, 0.32);
}

.blue-cockpit .control-pad button {
  border-color: rgba(58, 139, 234, 0.32);
}

.control-pad .fire-shell {
  background: #a85228;
}

.control-pad .fire-mg {
  background: #42664b;
}

@media (max-width: 900px) {
  .app-shell {
    padding: 10px;
  }

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

  .mission-panel {
    order: -1;
  }

  .arena-panel {
    height: 48vh;
    min-height: 340px;
  }

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

@media (max-width: 560px) {
  .mission-panel,
  .control-pad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scene-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .cockpit-panel canvas {
    height: 210px;
  }

  .readout {
    flex-wrap: wrap;
  }
}