/* Title screen: use the actual pixel-city illustration, not the battle HUD behind a blur. */
.start-screen.overlay{
  display:none;
  align-items:center;
  justify-content:flex-start;
  padding:clamp(30px,5.5vw,78px);
  overflow-y:auto;
  background:#142f67 url('assets/x-survivors-title-world-v1.png') 24% center/cover no-repeat;
  backdrop-filter:none;
}
.start-screen.overlay.open{display:flex}
.start-copy .touch-controls{display:none}
.start-screen::after{display:none}
.start-copy{width:min(510px,43vw);max-width:none;margin:0}
.start-copy .start-eyebrow{display:flex;align-items:center;gap:14px;margin:0 0 24px;color:#a8d7ff;font-size:12px;font-weight:900;letter-spacing:2.5px;text-shadow:1px 2px 0 #0b2251}
.start-eyebrow span{border-left:2px solid #71aeeb;padding-left:14px;color:#ddeaff;font-size:10px;letter-spacing:1px}
.start-copy h1{margin:0;color:#fff5dc;font-size:clamp(54px,6vw,82px);line-height:1.05;letter-spacing:-4px;text-shadow:4px 5px 0 #194f9a,7px 8px 0 #061d48}
.start-copy h2{margin:18px 0 10px;color:#e8f1ff;font-size:clamp(18px,1.8vw,24px);font-weight:900;line-height:1.4;text-shadow:2px 3px 0 #0b2454}
.start-copy .start-premise{max-width:455px;margin:0;color:#c9ddf6;font-size:14px;font-weight:600;line-height:1.8;text-shadow:1px 2px 0 #0b2251}
.start-highlights{display:flex;gap:0;width:max-content;max-width:100%;margin:30px 0 29px;border-top:2px solid #85b8ed;border-bottom:2px solid #456da8;background:#0d2d61ad}
.start-highlights span{display:flex;flex-direction:column;justify-content:center;min-width:105px;padding:11px 15px 10px}
.start-highlights span+span{border-left:1px solid #598cc5}
.start-highlights b{color:#ffdf94;font-size:28px;line-height:1;font-weight:950;letter-spacing:1px;text-shadow:2px 2px 0 #784c28}
.start-highlights small{margin-top:6px;color:#e4efff;font-size:11px;font-weight:800;letter-spacing:1px}
.start-actions{display:flex;align-items:center;gap:12px}
.start-actions .primary,.start-actions .secondary{display:inline-flex;align-items:center;justify-content:center;gap:23px;min-height:54px;margin:0;padding:11px 19px;font-size:16px;letter-spacing:1px;text-decoration:none}
.start-actions .primary{min-width:208px;border-color:#fff0c4;background:#ffcf75;color:#31203b;box-shadow:5px 6px 0 #142952!important}
.start-actions .primary:hover,.start-actions .primary:focus-visible{background:#ffe09e}
.start-actions .secondary{min-width:132px;border-color:#91b9e3;background:#1a477e;color:#f2f7ff}
.start-actions button:focus-visible,.start-actions a:focus-visible,.start-copy .bestiary-open:focus-visible{outline:3px solid #fff;outline-offset:4px}
.start-how{display:grid;gap:7px;max-width:460px;margin-top:15px;padding:11px 13px;border:2px solid #82b7e5;background:#102c58;color:#e1efff;box-shadow:4px 5px 0 #071a3f;font-size:11px;line-height:1.4}
.start-how[hidden]{display:none}
.start-how>b{color:#ffdc97;font-size:12px;letter-spacing:1px}
.start-how span{display:block}.start-how strong{margin-right:7px;color:#ffdc97}
.start-copy .bestiary-open{display:block;width:max-content;margin:24px 0 0;padding:0 0 5px;border:0;border-bottom:2px solid #a9d8ff;background:none;color:#d9edff;font-size:13px;font-weight:900;letter-spacing:.5px;text-align:left}
.start-copy .bestiary-open span{margin-left:8px}
.start-copy .start-controls{display:block;width:max-content;max-width:100%;margin-top:31px;padding:8px 0;border:0;border-top:1px solid #729ed0;background:none;color:#bcd4ed;font-size:11px;font-weight:700;line-height:1.5}
.start-edition{position:absolute;right:5.5vw;bottom:4.5vh;display:flex;align-items:center;gap:12px;border-top:2px solid #b6d7fa;padding-top:8px;color:#fff6de;font-size:18px;font-weight:950;letter-spacing:3px;text-shadow:2px 2px 0 #061a43}
.start-edition span{color:#d5e8ff;font-size:10px;letter-spacing:1px}
.start-screen .enemy-preview{display:none}

/* Upgrade choices keep the paused battlefield unblurred and let content wrap. */
.level-up.overlay{
  align-items:stretch;
  justify-content:flex-end;
  padding:10px;
  background:transparent;
  backdrop-filter:none;
}
.level-up .upgrade-panel{
  width:min(500px,39vw);
  height:calc(100dvh - 20px);
  max-height:none;
  margin:0;
  padding:13px;
  overflow:hidden;
  border:3px solid #93aac0;
  background:#102840;
  box-shadow:inset 0 0 0 3px #284764,5px 6px 0 #061421c9!important;
}
.level-up .upgrade-panel::before{height:3px;background:repeating-linear-gradient(90deg,#69aee0 0 28px,#e1bd77 28px 36px)}
.upgrade-heading{min-height:0;padding:8px 4px 13px;text-align:left}
.upgrade-heading p{color:#a8c9dc;font-size:11px;letter-spacing:1px}
.upgrade-heading h2{margin:4px 0!important;color:#fff0cf!important;font-size:25px!important;letter-spacing:1px;text-align:left;text-shadow:2px 3px 0 #6b4e2d!important}
.upgrade-heading>span{color:#c3d7e3;font-size:12px}
.upgrade-layout{display:flex;flex-direction:column;gap:8px;min-height:0}
.build-sidebar{flex:none;min-height:0;max-height:112px;overflow:hidden;border:2px solid #557793;background:#17344f;box-shadow:none}
.build-sidebar h3{padding:5px 9px;border-bottom:1px solid #577895;color:#ffe0a3;font-size:13px}
.build-sidebar-content{padding:5px 7px;overflow-x:auto;overflow-y:hidden}
.build-weapon-count{margin:0 0 4px;font-size:10px}
.build-weapon-count b{font-size:11px}
.build-weapon-list{display:flex;width:max-content;gap:5px}
.build-weapon{flex:none;width:93px;min-height:40px;grid-template-columns:28px minmax(0,1fr);padding:2px;border-width:1px}
.build-weapon .weapon-pixel-art{width:27px;height:27px}
.build-weapon strong{font-size:9px}.build-weapon small{font-size:8px}
.build-synergy{display:none}
.upgrade-stage{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:8px;min-height:0}
.level-up #upgradeGrid,.level-up #upgradeGrid:has(.super-choice){display:flex;flex-direction:column;gap:9px;min-height:0;max-height:none;overflow-y:auto;overflow-x:hidden;padding:3px 5px 6px 3px;scrollbar-color:#6a91ae #102840}
#upgradeGrid .upgrade{
  display:grid;
  grid-template-columns:70px minmax(0,1fr);
  gap:5px 10px;
  align-items:start;
  flex:none;
  width:100%;
  height:auto;
  min-height:0;
  padding:10px!important;
  overflow:visible;
  border-width:2px;
  background:#f3ecde!important;
  text-align:left;
}
#upgradeGrid .upgrade.kind-passive{background:#ecf3ea!important}
#upgradeGrid .upgrade.rarity-epic{background:#f2eaf5!important}
#upgradeGrid .upgrade.rarity-legendary{background:#f8eccf!important}
#upgradeGrid .upgrade.super-choice{background:#f8e5b6!important}
#upgradeGrid .upgrade.top-pick{padding-top:27px!important}
#upgradeGrid .upgrade.top-pick .build-best-badge{top:5px;left:9px;max-width:calc(100% - 18px);padding:3px 7px;font-size:10px}
#upgradeGrid .ticket-visual{grid-column:1;grid-row:1;align-self:start;width:70px;height:76px;border:1px solid #d0c3ad;background:#e6e0d5}
#upgradeGrid .upgrade-icon{width:68px;height:68px}
#upgradeGrid .ticket-copy{grid-column:2;grid-row:1;display:flex;flex-direction:column;gap:5px;width:100%;height:auto;min-width:0;padding:0;overflow:visible}
#upgradeGrid .choice-meta{gap:7px;line-height:1.25}
#upgradeGrid .kind-tag,#upgradeGrid .rarity-tag{font-size:11px}
#upgradeGrid .ticket-title-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 8px}
#upgradeGrid .ticket-title-row h3{overflow:visible;text-overflow:clip;white-space:normal;font-size:18px;line-height:1.3}
#upgradeGrid .ticket-rank{font-size:11px}
#upgradeGrid .ticket-impact,#upgradeGrid .ticket-impact.ticket-impact-long{overflow:visible;text-overflow:clip;white-space:normal;color:#a43d46;font-size:16px;line-height:1.4;overflow-wrap:anywhere}
#upgradeGrid .upgrade p{display:block;margin:0;overflow:visible;text-overflow:clip;white-space:normal;color:#3c5b70;font-size:13px;line-height:1.5;overflow-wrap:anywhere}
#upgradeGrid .upgrade p[hidden]{display:none!important}
#upgradeGrid .rarity-effect{overflow:visible;text-overflow:clip;white-space:normal;color:#5b6d7b!important;font-size:11px;line-height:1.4}
#upgradeGrid .upgrade-recommendation{display:block;max-height:none;margin:2px 0 0;padding:5px 7px;overflow:visible;border-left:3px solid #3da17e;background:#dbebde!important;color:#1c493c!important;font-size:12px;line-height:1.45;overflow-wrap:anywhere}
#upgradeGrid .upgrade-recommendation b,#upgradeGrid .upgrade-recommendation span{font-size:12px;line-height:1.45}
#upgradeGrid .recipe-tag,#upgradeGrid .weapon-fusion-recipe{overflow:visible;text-overflow:clip;white-space:normal;color:#79561e;font-size:11px;line-height:1.4;overflow-wrap:anywhere}
#upgradeGrid .ticket-action{grid-column:1/-1;grid-row:2;display:block;align-self:auto;padding-top:6px;border:0;border-top:1px solid #c8baa3}
#upgradeGrid .upgrade footer{display:flex;flex-direction:row;justify-content:space-between;align-items:center;gap:8px;text-align:left}
#upgradeGrid .upgrade footer span{font-size:11px}
#upgradeGrid .upgrade footer b{width:auto;min-width:88px;min-height:32px;padding:0 8px;border-width:2px;font-size:13px}
.upgrade-stage-footer{min-height:0;padding:6px 8px}
.level-up .upgrade-reroll{padding:6px 9px;font-size:11px}
.upgrade-ready{font-size:10px}
.upgrade-info,.upgrade-info summary,.upgrade-info .build-hint{font-size:10px}

@media(max-width:780px){
  .start-screen.overlay{align-items:flex-start;padding:31px 22px 26px;background-size:auto 66%;background-position:54% bottom;background-color:#14366f}
  .start-copy{width:100%;max-width:540px}
  .start-copy .start-eyebrow{margin-bottom:16px;font-size:10px;letter-spacing:1px}
  .start-eyebrow span{font-size:9px}
  .start-copy h1{font-size:clamp(44px,12vw,69px);letter-spacing:-3px}
  .start-copy h2{margin:12px 0 7px;font-size:17px}
  .start-copy .start-premise{max-width:450px;font-size:12px;line-height:1.6}
  .start-highlights{margin:17px 0 20px}
  .start-highlights span{min-width:0;padding:8px 11px}
  .start-highlights b{font-size:21px}
  .start-highlights small{font-size:9px}
  .start-actions{gap:7px}
  .start-actions .primary,.start-actions .secondary{min-height:44px;padding:8px 10px;font-size:12px}
  .start-actions .primary{min-width:0;flex:1}
  .start-actions .secondary{min-width:92px}
  .start-copy .bestiary-open{margin-top:17px;font-size:11px}
  .start-copy .start-controls{margin-top:14px;font-size:9px}
  .start-edition{display:none}
  .level-up.overlay{padding:4px}
  .level-up .upgrade-panel{width:100%;height:calc(100dvh - 8px);padding:9px}
  .upgrade-heading{padding:4px 3px 8px}
  .upgrade-heading h2{font-size:21px!important}
  .upgrade-heading>span{display:none}
  .build-sidebar{max-height:88px}
  .build-sidebar h3{padding:3px 7px;font-size:11px}
  .build-sidebar-content{padding:3px 5px}
  .level-up #upgradeGrid{gap:7px}
  #upgradeGrid .upgrade{grid-template-columns:53px minmax(0,1fr);gap:4px 7px;padding:7px!important}
  #upgradeGrid .upgrade.top-pick{padding-top:25px!important}
  #upgradeGrid .ticket-visual{width:53px;height:57px}
  #upgradeGrid .upgrade-icon{width:51px;height:51px}
  #upgradeGrid .ticket-copy{gap:3px}
  #upgradeGrid .kind-tag,#upgradeGrid .rarity-tag{font-size:9px}
  #upgradeGrid .ticket-title-row h3{font-size:16px}
  #upgradeGrid .ticket-rank{font-size:10px}
  #upgradeGrid .ticket-impact,#upgradeGrid .ticket-impact.ticket-impact-long{font-size:13px}
  #upgradeGrid .upgrade p,#upgradeGrid .rarity-effect,#upgradeGrid .upgrade-recommendation,#upgradeGrid .upgrade-recommendation b,#upgradeGrid .upgrade-recommendation span,#upgradeGrid .recipe-tag,#upgradeGrid .weapon-fusion-recipe{font-size:10px}
  #upgradeGrid .upgrade footer b{min-width:76px;min-height:28px;font-size:11px}
}

/* The wide-screen selector keeps the original centered, two-column structure.
   Cards can now grow and scroll instead of being squeezed into three fixed rows. */
@media(min-width:781px){
  .level-up.overlay{align-items:center;justify-content:center;padding:16px}
  .level-up .upgrade-panel{width:min(1000px,calc(100vw - 32px));height:min(760px,calc(100dvh - 32px));padding:15px 16px;border-color:#7190a6;background:#e3edf3;color:#183850;box-shadow:inset 0 0 0 3px #f5f9fb,5px 6px 0 #061421b0!important}
  .level-up .upgrade-panel::before{background:repeating-linear-gradient(90deg,#80a9c5 0 34px,#d7e7ef 34px 43px)}
  .upgrade-heading{min-height:69px;padding:8px 4px 11px;text-align:center}
  .upgrade-heading p{color:#4d748c;font-size:12px}
  .upgrade-heading h2{margin:3px 0!important;color:#183c59!important;font-size:28px!important;text-align:center;text-shadow:2px 2px 0 #bbd3e2!important}
  .upgrade-heading>span{color:#4f6e81;font-size:12px}
  .upgrade-layout{display:grid;grid-template-columns:202px minmax(0,1fr);gap:12px}
  .build-sidebar{display:flex;flex-direction:column;max-height:none;border-color:#779bb3;background:#d6e5ed;color:#173950}
  .build-sidebar h3{padding:9px;border-bottom:2px solid #a6c3d3;color:#1e435c;font-size:16px}
  .build-sidebar-content{min-height:0;overflow-x:hidden;overflow-y:auto;padding:8px}
  .build-weapon-count{margin-bottom:8px;color:#385d75;font-size:11px}
  .build-weapon-count b{color:#173a52;font-size:13px}
  .build-weapon-count span{color:#507189}
  .build-weapon-list{display:grid;width:auto;gap:6px}
  .build-weapon{width:auto;min-height:46px;grid-template-columns:32px minmax(0,1fr);border:1px solid #9bb8ca;background:#f1f7fa;color:#163a55}
  .build-weapon:first-child{border-color:#b89d70;background:#f6eedc}
  .build-weapon .weapon-pixel-art{width:32px;height:32px}
  .build-weapon strong{font-size:11px}.build-weapon small{color:#536f85;font-size:10px}
  .build-synergy{display:block;margin-top:12px;border-top:2px solid #afc7d4;color:#315773}
  .build-synergy>b{color:#294d67}.build-synergy p{color:#38637b}.build-synergy small{color:#54748a}
  .level-up #upgradeGrid,.level-up #upgradeGrid:has(.super-choice){display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:none;grid-auto-rows:max-content;align-content:start;gap:9px}
  #upgradeGrid .upgrade{grid-template-columns:84px minmax(0,1fr) 87px;gap:9px;min-height:150px;padding:9px!important;border-color:var(--rarity,#7598b2);background:#f8fbfc!important;box-shadow:inset 0 0 0 3px #edf4f7,3px 4px 0 #6f8ba2a8!important}
  #upgradeGrid .upgrade.kind-passive{background:#f1f8f2!important}
  #upgradeGrid .upgrade.rarity-epic{background:#f7f2fb!important}
  #upgradeGrid .upgrade.rarity-legendary{background:#fff6e5!important}
  #upgradeGrid .upgrade.super-choice{background:#fff0d1!important}
  #upgradeGrid .upgrade.top-pick{padding-top:25px!important;outline-color:#c49548;box-shadow:inset 0 0 0 3px #fbf1dc,4px 5px 0 #92703e99!important}
  #upgradeGrid .upgrade.recommended:not(.top-pick){outline-color:#5b9f8c}
  #upgradeGrid .upgrade.top-pick .build-best-badge{top:4px;left:96px;border-color:#946f3a;background:#ffdf9a;color:#513c20;box-shadow:2px 2px 0 #a98958}
  #upgradeGrid .ticket-visual{grid-column:1;grid-row:1;align-self:stretch;width:84px;height:auto;min-height:84px;border:1px solid #c6d5dd;background:#e5eef2}
  #upgradeGrid .upgrade-icon{width:80px;height:80px}
  #upgradeGrid .ticket-copy{grid-column:2;grid-row:1;justify-content:center;gap:3px}
  #upgradeGrid .ticket-title-row h3{color:#153954;font-size:19px}
  #upgradeGrid .ticket-impact,#upgradeGrid .ticket-impact.ticket-impact-long{color:#a64b49;font-size:16px}
  #upgradeGrid .upgrade p{color:#405e71;font-size:12px}
  #upgradeGrid .rarity-effect{color:#5a7484!important;font-size:11px}
  #upgradeGrid .upgrade-recommendation{padding:4px 6px;border-left-color:#55a98b;background:#e0f1e9!important;color:#295644!important;font-size:11px}
  #upgradeGrid .upgrade-recommendation b,#upgradeGrid .upgrade-recommendation span{font-size:11px}
  #upgradeGrid .upgrade[data-recommend-tier="none"] .upgrade-recommendation{border-left-color:#90a9ba;background:#e9f1f4!important;color:#526e7d!important}
  #upgradeGrid .ticket-action{grid-column:3;grid-row:1;align-self:stretch;display:grid;place-items:center;padding:0 0 0 9px;border:0;border-left:1px solid #c6d5dd}
  #upgradeGrid .upgrade footer{flex-direction:column;justify-content:center;gap:7px;text-align:center}
  #upgradeGrid .upgrade footer span{color:#526f82;font-size:11px}
  #upgradeGrid .upgrade footer b{min-width:76px;min-height:36px;border-color:#50748c;background:#2a82ad;color:#fff;font-size:12px;box-shadow:2px 3px 0 #8caabd}
  #upgradeGrid .upgrade.top-pick footer b,#upgradeGrid .upgrade.rarity-legendary footer b{border-color:#91672e;background:#f4c266;color:#473215;box-shadow:2px 3px 0 #bea475}
  .upgrade-stage-footer{border-color:#aac4d1;background:#d5e5ed;color:#34566d}
  .level-up .upgrade-reroll{border-color:#527b96;background:#eaf5fa;color:#224f6b;box-shadow:2px 3px 0 #91afc2}
  .upgrade-ready{color:#306950}
  .upgrade-info,.upgrade-info summary,.upgrade-info .build-hint{color:#345e76}
}

/* Final upgrade surface: preserve the familiar layout with a restrained dark palette. */
.level-up .upgrade-panel{border-color:#6b91ae;background:#10273d;color:#eaf3fb;box-shadow:inset 0 0 0 3px #294b65,5px 6px 0 #061421b0!important}
.level-up .upgrade-panel::before{background:repeating-linear-gradient(90deg,#658da9 0 34px,#b4c9d6 34px 43px)}
.upgrade-heading p{color:#8dbdd6}
.upgrade-heading h2{color:#f7e4bc!important;text-shadow:2px 3px 0 #6c5537!important}
.upgrade-heading>span{color:#b8ccda}
.build-sidebar{display:block;flex:none;max-height:none;overflow:visible;border:1px solid #537994;background:#18364d;color:#d8e9f5;box-shadow:none}
.build-weapon-count{color:#aecbdc}.build-weapon-count b{color:#f6e5bb}.build-weapon-count span{color:#9bb9cd}
.build-weapon-list{display:flex;flex-wrap:wrap;width:auto;gap:5px}
.build-weapon{width:125px;min-height:40px;border:1px solid #4d708b;background:#21445f;color:#edf7fc}
.build-weapon:first-child{border-color:#b39460;background:#493b2c}
.build-weapon strong{font-size:10px}.build-weapon small{color:#bad2de;font-size:9px}
.build-synergy{display:block;margin-top:8px;border-top:1px solid #52728c;padding-top:6px;color:#b4d1df}
.build-synergy>b{color:#efd69e}.build-synergy p{color:#e0dbc1}.build-synergy small{color:#b4cad8}
#upgradeGrid .upgrade{color:#e9f3f9;border-color:var(--rarity,#587fa0);background:#19374f!important;box-shadow:inset 0 0 0 2px #2e5067,3px 4px 0 #061421a8!important}
#upgradeGrid .upgrade.kind-passive{background:#183c3e!important}
#upgradeGrid .upgrade.rarity-epic{background:#31294c!important}
#upgradeGrid .upgrade.rarity-legendary{background:#483720!important}
#upgradeGrid .upgrade.super-choice{background:#533f24!important}
#upgradeGrid .upgrade.top-pick{outline-color:#e2b964;box-shadow:inset 0 0 0 2px #8f784b,4px 5px 0 #061421a8!important}
#upgradeGrid .upgrade.recommended:not(.top-pick){outline-color:#69c5a1}
#upgradeGrid .ticket-visual{border-color:#456680;background:#10273d}
#upgradeGrid .choice-meta .kind-tag{color:#9cc6de}
#upgradeGrid .kind-passive .choice-meta .kind-tag{color:#9de2c8}
#upgradeGrid .rarity-tag{color:#c6d8e5;background:transparent}
#upgradeGrid .rarity-elite .rarity-tag{color:#8cddd6}
#upgradeGrid .rarity-epic .rarity-tag{color:#d1b4fa}
#upgradeGrid .rarity-legendary .rarity-tag{color:#f3d28b}
#upgradeGrid .ticket-title-row h3{color:#f5f9fc}
#upgradeGrid .ticket-rank{color:#aac3d5}
#upgradeGrid .ticket-impact,#upgradeGrid .ticket-impact.ticket-impact-long{color:#f4a29c}
#upgradeGrid .upgrade p{color:#c5d6e2}
#upgradeGrid .rarity-effect{color:#b4ccda!important}
#upgradeGrid .upgrade.rarity-basic .rarity-effect{display:none}
#upgradeGrid .upgrade-recommendation{border-left-color:#62b998;background:#173f3e!important;color:#dcf5e8!important}
#upgradeGrid .upgrade-recommendation b,#upgradeGrid .upgrade-recommendation span{color:#dcf5e8!important}
#upgradeGrid .upgrade[data-recommend-tier="none"] .upgrade-recommendation{display:none}
#upgradeGrid .recipe-tag,#upgradeGrid .weapon-fusion-recipe{color:#e7c994}
#upgradeGrid .ticket-action{border-color:#456981}
#upgradeGrid .upgrade footer span{color:#afc9d8}
#upgradeGrid .upgrade footer b{border-color:#80b8d0;background:#317ca0;color:#fff;box-shadow:2px 3px 0 #0b2438}
#upgradeGrid .upgrade.top-pick footer b,#upgradeGrid .upgrade.rarity-legendary footer b{border-color:#d8b36b;background:#e5b96b;color:#30271a;box-shadow:2px 3px 0 #765a35}
.upgrade-stage-footer{border-color:#456b87;background:#17364f;color:#dcecf4}
.level-up .upgrade-reroll{border-color:#759bb7;background:#254966;color:#f0f7fb;box-shadow:2px 3px 0 #0b2438}
.upgrade-ready{color:#9bddbe}
.upgrade-info,.upgrade-info summary,.upgrade-info .build-hint{color:#b6d0df}

@media(max-width:780px){
  .level-up .upgrade-panel{background:#10273d}
  .build-sidebar{max-height:none}
}

/* Keep the original live-build rail; the repeated signs are world props, not UI. */
@media(min-width:781px){
  .level-up .upgrade-panel{width:min(1000px,calc(100vw - 32px));height:min(760px,calc(100dvh - 32px))}
  .upgrade-heading{min-height:69px}
  .upgrade-layout{display:grid;grid-template-columns:202px minmax(0,1fr);gap:12px}
  .build-sidebar{display:flex;flex-direction:column;min-height:0;max-height:none;overflow:hidden;border:2px solid #547590;background:#18364d}
  .build-sidebar h3{flex:none;margin:0;padding:9px;border-bottom:1px solid #496b84;color:#e9d29e;font-size:16px}
  .build-sidebar-content{min-height:0;overflow-x:hidden;overflow-y:auto;padding:8px}
  .build-weapon-list{display:grid;width:auto;gap:6px}
  .build-weapon{width:auto;min-height:46px}
}
@media(max-width:780px){
  .build-sidebar{display:flex;flex-direction:column;max-height:112px;overflow:hidden}
  .build-sidebar h3{margin:0;padding:4px 7px;border-bottom:1px solid #496b84;color:#e9d29e;font-size:12px}
  .build-sidebar-content{overflow-x:auto;overflow-y:hidden;padding:3px 5px}
  .build-weapon-list{display:flex;flex-wrap:nowrap;width:max-content}
  .build-weapon{width:90px;min-height:37px}
  .build-synergy{display:none}
}