:root{--ink:#253331;--muted:#667572;--line:#dce9e4;--mint-deep:#2f8f70;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",system-ui,sans-serif;color-scheme:light}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:linear-gradient(180deg,#fff,#f6fbf8);font-size:16px;line-height:1.8}.battle-page{width:min(1080px,calc(100% - 32px));margin:auto}a{color:var(--mint-deep)}.breadcrumb{font-size:.85rem;margin-top:18px}.hero{padding:30px 0 20px}.series-label{color:var(--mint-deep);font-size:.8rem;font-weight:800;margin:0 0 8px}h1{font-size:clamp(1.55rem,3.4vw,2.3rem);line-height:1.4;margin:0}h2{font-size:1.25rem;margin:0 0 10px}p{margin:8px 0}.battle-frame,.info-panel{border:1px solid var(--line);border-radius:18px;background:#fffefa;box-shadow:0 18px 45px rgba(45,92,78,.1);overflow:hidden}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;background:#f4faf7;flex-wrap:wrap}.toolbar>span{font-weight:800}.toolbar>div{display:flex;gap:6px}button,select{font:inherit;border:1px solid #bdd3c9;border-radius:10px;padding:8px 12px;background:white;color:var(--ink)}button{cursor:pointer;line-height:1.3}button:hover{background:#edf8f2}button:disabled{cursor:default;opacity:.6}.primary{background:#2f8f70;color:#fff;border-color:#2f8f70;font-weight:800}.primary:hover{background:#23765c}button:focus-visible,select:focus-visible{outline:3px solid #4c9bb2;outline-offset:2px}.arena-wrap{position:relative;height:clamp(300px,42vw,460px)}#arena{width:100%;height:100%;display:block}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:14px;background:rgba(237,246,240,.25)}.overlay[hidden],[hidden]{display:none!important}#menu,#message{width:min(610px,100%);max-height:100%;overflow:auto;background:rgba(255,254,250,.98);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 10px 25px #34584420}#menu>label{display:flex;align-items:center;gap:12px}label{font-weight:700}select{display:block;width:100%;min-width:0}#mode{width:auto;flex:1}.vehicle-picks{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:12px 0}.trait{display:block;font-weight:400;font-size:.84rem;line-height:1.5;min-height:42px;margin-top:6px}.hud{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:7px 14px;background:#f4faf7;font-size:.86rem}.hud p{margin:0}.hud p:first-child{color:#174f72}.hud p:last-child{color:#963e2b;text-align:right}.message-buttons{display:flex;gap:10px;flex-wrap:wrap}.touch-controls{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;touch-action:none}.control-set{display:grid;gap:5px;justify-items:center}.control-set>span{font-size:.78rem;font-weight:800}.control-set>div{display:flex;gap:4px}.control-set button{min-width:46px;min-height:40px;user-select:none;-webkit-user-select:none;touch-action:none}.control-set button.pressed{background:#b5decf}.in-frame-help{text-align:center;font-size:.8rem;padding:0 8px 10px;color:var(--muted)}.info-panel{padding:20px 24px;margin:24px 0}.battle-frame.maximized{position:fixed;inset:0;z-index:10000;border:0;border-radius:0;display:flex;flex-direction:column;height:100dvh;touch-action:none}.maximized .arena-wrap{height:auto;flex:1;min-height:160px}.maximized .toolbar{flex-shrink:0}.maximized .touch-controls{padding:5px 12px}.maximized .in-frame-help{margin:0;font-size:.72rem}.maximized .hud{padding-top:3px;padding-bottom:3px}body.game-maximized{overflow:hidden}.countdown #message{width:auto;text-align:center;background:#fffefaeb}.countdown #message-title{font-size:3rem}.countdown .message-buttons{display:none}@media(max-width:640px){.battle-page{width:calc(100% - 24px)}.hero{padding:20px 0 16px}.toolbar{padding:8px}.toolbar button{font-size:.78rem;padding:7px 8px}.arena-wrap{height:360px}.overlay{padding:8px}#menu,#message{padding:12px}.vehicle-picks{gap:8px}.trait{font-size:.75rem}.hud{gap:6px;padding:7px 8px;font-size:.75rem}.touch-controls{padding:8px;gap:6px}.control-set button{min-width:42px;padding:7px 8px;font-size:.78rem}.info-panel{padding:16px;margin:18px 0}}@media(max-height:500px) and (orientation:landscape){.maximized .touch-controls{position:absolute;bottom:6px;left:8px;right:8px;pointer-events:none}.maximized .control-set{pointer-events:auto}.maximized .arena-wrap{min-height:180px}.maximized .in-frame-help{display:none}.maximized .hud{padding-bottom:100px}.maximized .overlay{z-index:2}}

/* Menu uses the arena space, without the landscape driving-control reserve. */
.battle-page .info-panel h3{font-size:1rem;margin:18px 0 6px}
.battle-page .info-panel ul{margin:8px 0;padding-left:1.4em}
.battle-page .info-panel li{margin:6px 0}
.vehicle-picks .trait{min-height:0;font-size:.75rem;line-height:1.3}
.match-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#menu .match-settings label{display:block}
#menu .match-settings select{width:100%}
#menu>p{font-size:.85rem;margin:4px 0 8px}
#load-status:empty{display:none}
#menu h2{font-size:1.12rem;margin-bottom:4px}
#menu label{font-size:.86rem;line-height:1.5}
#menu select{padding:4px 6px;font-size:.86rem;line-height:1.4}
#menu #start{padding:7px 14px;font-size:.9rem}
#menu .trait{margin-top:3px}
.vehicle-picks{gap:8px 14px;margin:10px 0}
.hud{gap:4px 12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.hud p,.hud p:last-child{text-align:left}
.hud #player-1{color:#297caa}.hud #player-2{color:#be563e}.hud #player-3{color:#35814e}.hud #player-4{color:#8856ac}
.battle-frame.in-menu .hud{display:none}
@media(max-height:500px) and (orientation:landscape){
  .maximized.in-menu .hud{display:none;padding-bottom:0}
  .maximized.in-menu .arena-wrap{min-height:0}
  .maximized.in-menu #menu{padding:10px 16px;max-width:660px}
  .maximized.in-menu #menu h2{font-size:1.05rem;margin-bottom:0}
  .maximized.in-menu #menu>p{margin:2px 0;font-size:.8rem}
  .maximized.in-menu .vehicle-picks{margin:6px 0;gap:12px}
  .maximized.in-menu .trait{font-size:.75rem;min-height:0;margin-top:3px}
  .maximized.in-menu select{padding:4px 8px;font-size:.86rem}
  .maximized.in-menu #start{padding:7px 16px}
}

/* Landscape keeps controls and HUD in their own rows below the unobscured arena. */
@media(max-height:500px) and (orientation:landscape){
  .maximized .touch-controls{position:static;pointer-events:auto;flex-shrink:0;padding:4px 10px;gap:8px}
  .maximized .control-set{display:flex;align-items:center;gap:4px;justify-content:center}
  .maximized .control-set>div{gap:4px}
  .maximized .control-set button{min-width:40px;min-height:36px;padding:6px 8px;font-size:.78rem}
  .maximized .control-set>span{margin-right:3px}
  .maximized .hud{flex-shrink:0;padding:3px 12px;font-size:.75rem}
  .maximized .toolbar{padding:5px 10px}
  .maximized .toolbar button{padding:6px 9px;font-size:.8rem}
  .maximized .arena-wrap{min-height:0}
}

/* Only the menu body scrolls; navigation stays in its own bottom row. */
.battle-frame.in-menu .in-frame-help{display:none}
#menu{display:flex;flex-direction:column;width:min(680px,100%);height:100%;max-height:100%;overflow:hidden;padding:0}
#menu .menu-heading{flex-shrink:0;padding:12px 16px 8px;border-bottom:1px solid var(--line)}
#menu .menu-heading p{margin:0;color:var(--muted);font-size:.8rem}
#menu h2{font-size:1.12rem;margin:0;line-height:1.4}
.menu-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:12px 16px;touch-action:pan-y}
.menu-body section{min-width:0}
.people-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.people-choices button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:130px;padding:16px 8px}
.people-choices strong{font-size:1.6rem}.people-choices span{font-size:.82rem}
.vehicle-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.vehicle-cards button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:6px 4px;min-width:0}
.vehicle-cards img{display:block;width:80px;max-width:100%;height:88px;object-fit:contain}
.vehicle-cards strong{font-size:.82rem;line-height:1.3}
#menu button[aria-pressed="true"]{background:#e3f4ec;border:2px solid #2f8f70;box-shadow:inset 0 0 0 1px #2f8f70}
.stage-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.stage-choices button{min-height:48px;font-size:.9rem}
#menu .selected-description{font-size:.84rem;line-height:1.5;margin:10px 0}
#match-summary{font-size:.78rem;color:var(--muted);line-height:1.5}
#cpu-settings{border-top:1px solid var(--line);padding-top:8px;font-size:.85rem}
#cpu-settings summary{cursor:pointer;font-weight:700;padding:4px 0}
.cpu-picks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:8px}
#menu .menu-footer{flex-shrink:0;border-top:1px solid var(--line);padding:10px 16px;background:#fffefa}
#menu .menu-footer p{margin:0 0 6px;font-size:.8rem;line-height:1.4}
.menu-actions{display:flex;justify-content:flex-end;gap:8px}
.menu-actions #menu-back{margin-right:auto}
#menu .menu-actions button{min-height:42px;padding:8px 18px;font-size:.9rem}
@media(max-width:640px){
  .vehicle-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
  .vehicle-cards img{height:72px;width:66px}
  .people-choices{gap:8px}.people-choices strong{font-size:1.4rem}.people-choices span{font-size:.73rem}
  #menu .menu-heading,.menu-body,#menu .menu-footer{padding:10px 12px}
  .cpu-picks{grid-template-columns:1fr}
}
@media(max-height:500px) and (orientation:landscape){
  .battle-frame.in-menu .arena-wrap{height:calc(100dvh - 64px);min-height:0}
  .maximized.in-menu .arena-wrap{height:auto}
  .maximized.in-menu #menu{padding:0;max-width:680px}
  #menu .menu-heading{padding:6px 14px}
  .menu-body{padding:8px 14px}
  #menu .menu-footer{padding:6px 14px}
  .vehicle-cards{grid-template-columns:repeat(4,minmax(0,1fr))}
  .vehicle-cards img{height:62px;width:56px}
  .people-choices button{min-height:110px}
}