/* BeastBots Arena UI – separates simulation (canvas) from HUD (DOM). */

.arena-open-button {
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 12px;
}

.arena-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: stretch;
  justify-content: center;
  background: rgba(6, 8, 10, 0.92);
  padding: 0;
}

.arena-overlay[hidden] {
  display: none;
}

.arena-dialog {
  position: relative;
  width: 100%;
  max-width: 1180px;
  height: 100%;
  max-height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: linear-gradient(160deg, #171b20 0%, #0e1114 60%, #0a0c0f 100%);
  color: #e6e9ed;
  border: 0;
  outline: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(12px, 2vw, 24px);
}

.arena-dialog:focus-visible {
  box-shadow: inset 0 0 0 2px #39ff14;
}

/* ------------------------------------------------------------------ head */

.arena-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line, #3a3f45);
  padding-bottom: 12px;
}

.arena-head-text {
  min-width: 0;
}

.arena-title {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  letter-spacing: -0.03em;
}

.arena-sub {
  margin: 4px 0 0;
  color: var(--muted, #a0a7af);
  font-size: 0.85rem;
}

.arena-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.arena-body > section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
}

.arena-body > section[hidden] {
  display: none;
}

/* ------------------------------------------------------------------ buttons */

.arena-btn-arena-primary,
.arena-btn-arena-ghost,
.arena-btn-arena-attack,
.arena-btn-arena-special {
  font: inherit;
  cursor: pointer;
  min-height: 48px;
  padding: 10px 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: transform 120ms ease, filter 120ms ease, opacity 120ms ease;
}

.arena-btn-arena-primary {
  background: #39ff14;
  color: #0c100b;
  font-weight: 700;
  border-color: #1fa30b;
}

.arena-select .arena-btn-arena-primary,
.arena-select > .arena-btn-arena-ghost {
  align-self: flex-start;
}

.arena-btn-arena-ghost {
  background: #1a1d21;
  color: #e6e9ed;
  border-color: #3a3f45;
}

.arena-btn-arena-primary:hover,
.arena-btn-arena-ghost:hover {
  filter: brightness(1.1);
}

.arena-btn-arena-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  filter: none;
}

.arena-btn-arena-primary:focus-visible,
.arena-btn-arena-ghost:focus-visible,
.arena-card:focus-visible {
  outline: 2px solid #39ff14;
  outline-offset: 2px;
}

/* ------------------------------------------------------------------ select */

.arena-select {
  overflow-y: auto;
}

.arena-section-title {
  margin: 0;
  font-size: 1.05rem;
}

.arena-roster {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.arena-card {
  display: grid;
  gap: 6px;
  padding: 12px;
  text-align: left;
  background: #15181c;
  border: 1px solid #3a3f45;
  border-radius: 16px;
  color: #e6e9ed;
  cursor: pointer;
}

.arena-card.is-selected {
  border-color: #39ff14;
  box-shadow: 0 0 0 1px rgba(57, 255, 20, 0.35) inset;
}

.arena-card-canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  border-radius: 10px;
  background: #0a0c0f;
  display: block;
}

.arena-card-name {
  font-weight: 700;
  font-size: 0.98rem;
}

.arena-card-meta {
  color: var(--muted, #a0a7af);
  font-size: 0.8rem;
}

.arena-hint,
.arena-controls-hint {
  margin: 0;
  color: var(--muted, #a0a7af);
  font-size: 0.82rem;
  line-height: 1.45;
}

.arena-asset-status {
  margin: 0;
  color: #ff8a6a;
  font-size: 0.85rem;
}

/* ------------------------------------------------------------------ fight */

.arena-fight {
  gap: 10px;
}

.arena-hud {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  background: #15181c;
  border: 1px solid #3a3f45;
  border-radius: 14px;
  padding: 10px 12px;
}

.arena-hud-side {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.arena-hud-side.is-enemy {
  text-align: right;
}

.arena-hud-name {
  font-weight: 700;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arena-hud-bar {
  height: 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.arena-hud-bar-fill {
  display: block;
  height: 100%;
  width: 100%;
  transform-origin: left center;
  background: linear-gradient(90deg, #39ff14, #7cff5c);
  transition: transform 90ms linear;
}

.arena-hud-side.is-enemy .arena-hud-bar-fill {
  transform-origin: right center;
  background: linear-gradient(90deg, #ff8a6a, #ff3040);
}

.arena-hud-hp {
  font-size: 0.78rem;
  color: var(--muted, #a0a7af);
  font-variant-numeric: tabular-nums;
}

.arena-timer {
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  padding: 2px 12px;
  border-radius: 10px;
  background: #0a0c0f;
  border: 1px solid #3a3f45;
}

.arena-timer.is-urgent {
  color: #ff8a6a;
  border-color: #ff3040;
}

.arena-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  max-height: min(62vh, 560px);
  margin-inline: auto;
  background: #05070a;
  border: 1px solid #3a3f45;
  border-radius: 16px;
  overflow: hidden;
}

.arena-stage.is-live {
  border-color: rgba(57, 255, 20, 0.45);
}

.arena-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.arena-countdown {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 0 24px rgba(57, 255, 20, 0.6);
  pointer-events: none;
}

.arena-countdown[hidden] {
  display: none;
}

.arena-countdown.is-pop {
  animation: arena-pop 260ms ease-out;
}

@keyframes arena-pop {
  from { transform: scale(1.5); opacity: 0.2; }
  to { transform: scale(1); opacity: 1; }
}

.arena-pane {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  text-align: center;
  background: rgba(6, 8, 10, 0.82);
}

.arena-pane[hidden] {
  display: none;
}

.arena-pane-title {
  margin: 0;
  font-size: clamp(1.4rem, 5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.arena-pane-title.is-player { color: #39ff14; }
.arena-pane-title.is-enemy { color: #ff5a5a; }
.arena-pane-title.is-draw { color: #ffd76a; }

.arena-pane-text {
  margin: 0;
  max-width: 42ch;
  color: var(--muted, #a0a7af);
  line-height: 1.45;
}

.arena-pane-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

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

.arena-controls {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(150px, 1fr);
  gap: 12px;
  align-items: stretch;
}

.arena-pad {
  position: relative;
  min-height: 132px;
  border-radius: 18px;
  border: 1px solid #3a3f45;
  background:
    radial-gradient(circle at 50% 50%, rgba(57, 255, 20, 0.08) 0%, rgba(10, 12, 15, 0.9) 70%);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
}

.arena-pad.is-active {
  border-color: #39ff14;
}

.arena-stick {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(57, 255, 20, 0.22);
  border: 2px solid rgba(57, 255, 20, 0.7);
  pointer-events: none;
  transition: left 120ms ease, top 120ms ease;
}

.arena-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.arena-btn-arena-attack,
.arena-btn-arena-special {
  position: relative;
  min-height: 72px;
  min-width: 72px;
  display: grid;
  place-content: center;
  gap: 2px;
  font-weight: 700;
  font-size: 1rem;
  color: #0c100b;
  border-radius: 20px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
}

.arena-btn-arena-attack {
  background: #39ff14;
  border-color: #1fa30b;
}

.arena-btn-arena-special {
  background: #ffd76a;
  border-color: #c79a26;
}

.arena-btn-arena-attack::after,
.arena-btn-arena-special::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(6, 8, 10, 0.55);
  transform-origin: bottom center;
  transform: scaleY(var(--cd, 0));
  pointer-events: none;
}

.arena-btn-arena-attack.is-cooling::after,
.arena-btn-arena-special.is-cooling::after {
  transform: scaleY(var(--cd, 0));
}

.arena-btn-arena-attack.is-disabled,
.arena-btn-arena-special.is-disabled {
  opacity: 0.55;
}

.arena-btn-arena-attack.is-held,
.arena-btn-arena-special.is-held {
  filter: brightness(0.9);
}

.arena-cd {
  font-size: 0.72rem;
  font-weight: 700;
  min-height: 1em;
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------------ responsive */

@media (max-width: 720px) {
  .arena-dialog {
    gap: 10px;
  }

  .arena-hud {
    gap: 8px;
    padding: 8px 10px;
  }

  /* Portrait keeps the ergonomic layout: stick left, action buttons right. */
  .arena-controls {
    grid-template-columns: minmax(120px, 1fr) minmax(104px, auto);
    gap: 10px;
  }

  .arena-pad {
    min-height: 148px;
  }

  .arena-buttons {
    grid-template-columns: 1fr;
    align-content: center;
  }

  .arena-btn-arena-attack,
  .arena-btn-arena-special {
    min-height: 64px;
    min-width: 56px;
  }
}

@media (max-width: 420px) {
  .arena-overlay {
    align-items: flex-start;
  }

  .arena-hud-name { font-size: 0.8rem; }
  .arena-hud-hp { font-size: 0.72rem; }
  .arena-card-meta { font-size: 0.74rem; }
}

/* Landscape / short viewports: keep the playfield dominant and controls reachable. */
@media (max-height: 560px) and (orientation: landscape) {
  .arena-dialog {
    gap: 10px 14px;
  }

  .arena-sub,
  .arena-hint,
  .arena-controls-hint {
    display: none;
  }

  .arena-stage {
    max-height: 46vh;
  }

  .arena-controls {
    grid-template-columns: minmax(110px, 1fr) minmax(96px, auto);
    gap: 10px;
  }

  .arena-pad {
    min-height: 104px;
  }

  /* Buttons stay vertically stacked and comfortably tappable. */
  .arena-buttons {
    grid-template-columns: 1fr;
  }

  .arena-btn-arena-attack,
  .arena-btn-arena-special {
    min-height: 56px;
    min-width: 56px;
  }

  .arena-roster {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .arena-countdown.is-pop {
    animation: none;
  }

  .arena-hud-bar-fill {
    transition: none;
  }
}