/* Burn Buds gameplay v4 — active battle focus and touch ergonomics.
   The server-authoritative rules and targeting runtime remain unchanged. */

.btn,
.mobile-tab,
input,
select,
textarea {
  min-height: 44px;
}

button,
.btn,
.mobile-tab,
.cell,
input,
select,
textarea {
  touch-action: manipulation;
}

/* Once a multiplayer battle is active, the board is the product. */
body.burn-my-turn > section[data-public-product="Burn Buds"],
body.burn-opponent-turn > section[data-public-product="Burn Buds"] {
  display: none;
}

body.burn-my-turn .main,
body.burn-opponent-turn .main {
  padding-top: clamp(8px, 1vw, 14px);
}

body.burn-my-turn .boards .board-card:nth-child(2) {
  outline: 2px solid rgba(255, 198, 94, .36);
  outline-offset: 2px;
}

body.burn-opponent-turn .boards .board-card:first-child {
  outline: 2px solid rgba(130, 174, 255, .22);
  outline-offset: 2px;
}

body.burn-my-turn .boards .board-card:nth-child(2) .board-title h3,
body.burn-opponent-turn .boards .board-card:first-child .board-title h3 {
  color: #fff3c2;
}

button:focus-visible,
.btn:focus-visible,
.mobile-tab:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid #ffd278;
  outline-offset: 3px;
}

.cell:focus-visible {
  z-index: 4;
  outline: 3px solid #ffd278;
  outline-offset: -3px;
}

@media (max-width: 720px) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  body > section[data-public-product="Burn Buds"] {
    padding-left: max(14px, env(safe-area-inset-left)) !important;
    padding-right: max(14px, env(safe-area-inset-right)) !important;
  }

  body.burn-my-turn .battle-top,
  body.burn-opponent-turn .battle-top {
    margin-bottom: 8px;
    padding-bottom: 8px;
  }

  .burn-turn-banner {
    min-height: 44px;
    margin-bottom: 7px;
  }

  .burn-telemetry {
    margin-bottom: 7px;
  }

  .burn-telemetry section {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      'label label'
      'left stat';
  }

  .burn-telemetry small {
    display: none;
  }

  .burn-telemetry strong {
    font-size: 1.18rem;
  }

  .burn-telemetry b {
    justify-self: end;
    align-self: center;
  }

  .mobile-tabs {
    position: sticky;
    top: max(4px, env(safe-area-inset-top));
    z-index: 24;
    padding: 5px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    background: rgba(5, 11, 8, .94);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .mobile-tab {
    padding-block: 8px;
  }

  .toast {
    max-width: calc(100vw - max(28px, env(safe-area-inset-left) + env(safe-area-inset-right) + 16px));
  }
}

@media (prefers-reduced-motion: reduce) {
  body.burn-my-turn .boards .board-card:nth-child(2),
  body.burn-opponent-turn .boards .board-card:first-child {
    transition: none !important;
  }
}

@media (forced-colors: active) {
  body.burn-my-turn .boards .board-card:nth-child(2),
  body.burn-opponent-turn .boards .board-card:first-child,
  .mobile-tabs {
    outline: 2px solid Highlight;
  }
}


/* Burn Buds battlefield v4.1 — tactical garden presentation.
   Visual-only layer: room state, server-authoritative turns and targeting logic stay unchanged. */
.board{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(rgba(255,255,255,.018),rgba(255,255,255,.018)),
    repeating-linear-gradient(0deg,rgba(233,200,106,.035) 0 1px,transparent 1px 7px),
    repeating-linear-gradient(90deg,rgba(233,200,106,.028) 0 1px,transparent 1px 7px),
    radial-gradient(circle at 50% 0,rgba(96,142,67,.12),transparent 52%),
    #0b0d09;
}
.board-card{
  position:relative;
  overflow:hidden;
}
.board-card::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.34;
  background:linear-gradient(115deg,transparent 0 58%,rgba(255,255,255,.018) 58% 59%,transparent 59% 100%);
}
.board-card>*{position:relative;z-index:1}
.cell:not(.hit):not(.miss):not(.lost){
  background:linear-gradient(145deg,rgba(19,31,19,.92),rgba(10,15,10,.96));
  box-shadow:inset 0 0 0 1px rgba(233,200,106,.035);
}
.boards .board-card:first-child .cell:not(.hit):not(.miss):not(.lost){
  background:linear-gradient(145deg,rgba(22,43,24,.94),rgba(10,20,12,.97));
}
.boards .board-card:nth-child(2) .cell:not(.hit):not(.miss):not(.lost){
  background:linear-gradient(145deg,rgba(34,28,15,.9),rgba(14,14,9,.97));
}
body.burn-my-turn .boards .board-card:nth-child(2){
  box-shadow:
    0 0 0 1px rgba(255,205,99,.12),
    0 22px 56px rgba(0,0,0,.42),
    0 0 42px rgba(255,154,61,.1)!important;
}
body.burn-opponent-turn .boards .board-card:first-child{
  box-shadow:
    0 0 0 1px rgba(118,163,255,.08),
    0 22px 56px rgba(0,0,0,.42),
    0 0 34px rgba(90,132,224,.08)!important;
}
.burn-turn-banner{
  position:relative;
  overflow:hidden;
  isolation:isolate;
}
.burn-turn-banner::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background:linear-gradient(90deg,transparent 0 35%,rgba(255,255,255,.035) 50%,transparent 65% 100%);
  transform:translateX(-85%);
}
.burn-turn-banner.fire::before{animation:burn-buds-scan 2.8s ease-in-out infinite}
.burn-turn-banner.hold::before{animation:burn-buds-scan 4.4s ease-in-out infinite}
.burn-turn-banner.fire{
  text-shadow:0 0 18px rgba(255,190,96,.12);
}
.burn-telemetry section{
  position:relative;
  overflow:hidden;
}
.burn-telemetry section::after{
  content:"";
  position:absolute;
  left:9px;
  right:9px;
  bottom:5px;
  height:2px;
  border-radius:999px;
  opacity:.45;
  background:linear-gradient(90deg,rgba(133,221,154,.52),rgba(233,200,106,.26));
}
.burn-telemetry section:last-child::after{
  background:linear-gradient(90deg,rgba(111,160,231,.42),rgba(233,200,106,.22));
}
.fleet-chip{
  position:relative;
  overflow:hidden;
  border-radius:999px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.018);
}
.fleet-chip:not(.sunk)::after{
  content:"";
  position:absolute;
  inset:auto 10px 4px 10px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg,rgba(134,217,87,.18),rgba(134,217,87,.55),rgba(134,217,87,.18));
}
.fleet-chip.sunk{
  filter:saturate(.5) brightness(.82);
  text-decoration-thickness:2px;
}
@keyframes burn-buds-scan{
  0%,14%{transform:translateX(-88%);opacity:0}
  38%{opacity:.6}
  74%{transform:translateX(88%);opacity:.28}
  100%{transform:translateX(88%);opacity:0}
}
@media(max-width:720px){
  .board-card::after{opacity:.22}
  .cell:not(.hit):not(.miss):not(.lost){box-shadow:inset 0 0 0 1px rgba(233,200,106,.025)}
  .burn-telemetry section::after{left:7px;right:7px}
}
@media(prefers-reduced-motion:reduce){
  .burn-turn-banner.fire::before,.burn-turn-banner.hold::before{animation:none!important;transform:none!important;opacity:.16}
}
@media(forced-colors:active){
  .board,.cell:not(.hit):not(.miss):not(.lost),.board-card::after,.burn-turn-banner::before,.burn-telemetry section::after,.fleet-chip::after{
    background:none!important;
  }
}


/* Burn Buds gameplay v4.2 — play-first shell and compact mobile battlefield.
   Presentation-only: authoritative room, placement, turn, targeting and rematch logic are unchanged. */
body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] {
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:
    "eyebrow back"
    "title back"
    "summary back";
  align-items:center;
  column-gap:18px;
  row-gap:3px;
  max-width:1100px!important;
  padding:10px 20px 8px!important;
}

body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] > p:first-of-type {
  grid-area:eyebrow;
  margin:0!important;
  font-size:.66rem!important;
}

body:not(.burn-my-turn):not(.burn-opponent-turn) #burn-buds-title {
  grid-area:title;
  margin:0!important;
  font-size:clamp(1.55rem,3.2vw,2.35rem)!important;
  line-height:1!important;
}

body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] > p:nth-of-type(2) {
  grid-area:summary;
  max-width:78ch!important;
  margin:2px 0 0!important;
  font-size:.78rem!important;
  line-height:1.4!important;
}

body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] > p:nth-of-type(3) {
  grid-area:back;
  margin:0!important;
  align-self:center;
  white-space:nowrap;
}

@media (max-width:720px) {
  body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] {
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:
      "eyebrow back"
      "title back";
    padding:8px max(10px,env(safe-area-inset-right)) 7px max(10px,env(safe-area-inset-left))!important;
    column-gap:10px;
  }

  body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] > p:nth-of-type(2) {
    display:none;
  }

  body:not(.burn-my-turn):not(.burn-opponent-turn) #burn-buds-title {
    font-size:clamp(1.35rem,7vw,1.85rem)!important;
  }

  body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] > p:nth-of-type(3) a {
    font-size:.72rem;
  }

  .board-card {
    padding:6px;
  }

  .board-title {
    margin-bottom:5px;
  }

  .coordinate-grid {
    grid-template-columns:15px minmax(0,1fr);
    grid-template-rows:15px minmax(0,1fr);
    gap:2px;
  }

  .col-labels,
  .row-labels {
    font-size:clamp(.38rem,1.5vw,.54rem);
  }

  .fleet-legend {
    gap:4px;
    margin-top:6px;
  }

  .fleet-chip {
    padding:4px 6px;
  }
}

@media (pointer:coarse) {
  .cell.can-fire:active,
  .board .cell[data-fire].target-preview {
    filter:brightness(1.2);
  }

  .mobile-tab,
  .btn {
    -webkit-tap-highlight-color:rgba(167,242,109,.16);
  }
}

@media (prefers-reduced-motion:reduce) {
  body:not(.burn-my-turn):not(.burn-opponent-turn) > section[data-public-product="Burn Buds"] {
    scroll-behavior:auto;
  }
}