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28px));max-height:calc(100dvh - 35px);padding:34px;border:1px solid #b59b6599;border-radius:16px;background:linear-gradient(135deg,#263e4d,#102533);color:var(--text);box-shadow:0 25px 100px #000b;overflow:auto;overscroll-behavior:contain}.modal::backdrop{background:#061522c9;backdrop-filter:blur(7px)}.modal-close{position:absolute;right:12px;top:12px;z-index:2}.modal h2{font-family:var(--serif);font-size:32px;font-weight:400;color:#e8cf98;margin:11px 0 13px;line-height:1.15;padding-right:20px}.modal .lead{font-size:12px;color:#9ab0ba;line-height:1.8;margin:0 0 24px}.modal-note{font-size:10px;color:#7396a5;line-height:1.8;margin:20px 0 0}.collection-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.collection-card{display:flex;align-items:center;flex-direction:column;border:1px solid #8aa5ae60;background:linear-gradient(145deg,#2b4856,#142d3a);border-radius:9px;padding:10px 7px 13px;text-align:center;min-width:0}.collection-card 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p{font-size:10px;line-height:1.7;color:#81a4b4;margin:6px 0 0}.setting-line button,.setting-line select{background:#254b5b;border:1px solid #7dbbc580;border-radius:6px;color:#c6ebee;padding:9px 12px;font-size:10px}.setting-danger{margin-top:20px;padding:11px 14px;border:1px solid #b7a06677;border-radius:6px;background:#c6b16a0e;color:#d6bf88;font-size:11px}.campaign-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.campaign-card{position:relative;overflow:hidden;border:1px solid #8b7d5d66;border-radius:12px;background:#112c3b;padding:14px;min-width:0}.campaign-card .mission-art{height:140px;border:1px solid #829aa353;border-radius:7px;background:url('./assets/arena-v2-runtime.webp') center 44%/cover;position:relative;overflow:hidden}.mission-art:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent,#0c2235b3)}.campaign-card:nth-child(2) .mission-art{filter:hue-rotate(15deg)}.campaign-card:nth-child(3) .mission-art{filter:hue-rotate(35deg)}.campaign-card.locked .mission-art{filter:grayscale(.6);opacity:.45}.campaign-card .mission-art>span{position:absolute;left:10px;top:8px;border:1px solid #dfc28970;background:#102431d9;border-radius:6px;padding:6px 9px;z-index:1;color:#e7cb8f;font-family:var(--serif);font-size:16px}.campaign-card h3{font-family:var(--serif);font-weight:400;font-size:19px;line-height:1.2;margin:15px 0 9px;color:#e2cfaa;min-height:45px}.campaign-card p{font-size:10px;line-height:1.7;color:#87a6b3;margin:0 0 13px;min-height:51px}.campaign-card .stars{font-size:15px;letter-spacing:3px;color:#c8ae6f;margin-bottom:12px}.campaign-card button{width:100%;font-size:10px;border-radius:6px;border:1px solid #b59a5f88;background:#8f733325;color:#e7cb8a;padding:10px 5px}.campaign-card button:disabled{color:#718e9a;border-color:#4b6876}.result{padding:10px 15px 8px;text-align:center}.result .result-emblem{width:90px;height:90px;display:grid;place-items:center;margin:5px auto 16px;border:1px solid #d0b77c77;border-radius:50%;background:radial-gradient(#a486362b,transparent);color:#e8c577;font-size:40px;box-shadow:0 0 45px #f0d07310}.result h2{padding-right:0}.result .stars{font-size:35px;letter-spacing:9px;color:#e8bc62;margin:20px 0;text-shadow:0 0 22px #ffe37a33}.result .result-stats{display:flex;justify-content:center;gap:30px;margin:20px 0 25px}.result-stats div{font-size:11px;color:#7fa3b3}.result-stats b{display:block;font-family:var(--serif);font-size:24px;font-weight:400;color:#dfc895;margin-bottom:5px}.result .gold-button{margin:0 auto}.result .secondary{display:block;margin:16px auto 0;background:none;color:#8dabb9;font-size:11px}.cell-a11y{position:absolute;left:20.5%;top:26.4%;width:60.5%;height:35.5%;display:grid;grid-template-columns:repeat(5,1fr);grid-template-rows:repeat(3,1fr);pointer-events:none;z-index:2}.cell-a11y button{background:transparent;pointer-events:none;color:transparent}.cell-a11y:focus-within,.cell-a11y:focus-within button{pointer-events:auto}.cell-a11y button:focus-visible{outline:2px solid #b6fffa}.noscript{position:fixed;inset:0;display:grid;place-items:center;background:#102b3a;z-index:100}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}@keyframes loading{to{transform:translateX(100%)}}
@media(min-width:1550px){.main-layout{grid-template-columns:245px minmax(0,760px) 245px;gap:45px}.mission-intro h1{font-size:43px}.unit-portrait{height:170px}.portrait{width:148px}.panel{padding:21px}.unit-panel h2{font-size:22px}}
@media(max-width:1150px){.main-layout{grid-template-columns:185px minmax(0,600px) 185px;gap:20px;padding-inline:18px}.topbar{padding-inline:24px}.panel{padding:13px}.mission-intro h1{font-size:31px}.mission-intro p{font-size:10px}.unit-panel h2{font-size:17px}.boss-preview{gap:7px;padding-inline:8px}.boss-thumbnail{width:56px}.boss-preview h3{font-size:12px}.footer-stamp{font-size:7px;letter-spacing:1px}.bottom-bar{padding-inline:24px}.bottom-bar nav{gap:22px}}
@media(max-height:850px) and (min-width:901px){.left-sidebar,.right-sidebar{gap:16px}.mission-intro h1{font-size:30px;margin:11px 0}.mission-intro p{font-size:10px}.mission-tags{margin-top:11px}.mission-row{padding:12px 0}.unit-portrait{height:114px}.portrait{width:107px}.unit-panel>p{font-size:9px;margin-bottom:12px}.unit-panel h2{font-size:17px}.unit-stat-row{padding:9px 0}.boss-thumbnail{width:52px}.field-note p{font-size:8px}.panel{padding:14px}}
@media(max-width:900px){.app-shell{grid-template-rows:63px minmax(0,1fr) 59px}.main-layout{grid-template-columns:minmax(0,640px);padding:8px 14px 8px;gap:0}.left-sidebar,.right-sidebar{display:none}.mode-title{font-size:9px;letter-spacing:2px}.mode-sub{display:none}.arena-frame{width:min(100%,calc((100dvh - 325px)*1.263158))}.battle-shell{grid-template-rows:26px minmax(0,1fr) 151px}.topbar{padding-inline:18px}.bottom-bar{grid-template-columns:1fr auto;padding-inline:17px}.footer-stamp{display:none}.bottom-bar nav{justify-self:center;gap:26px}.footer-tools{gap:2px}.help-mini{display:block}.control-foot>span{font-size:8px}.deck-card{height:67px}.deck-card .sprite{height:93.333px;width:70px}.action-row{height:50px}.battle-controls{width:min(100%,540px)}.toast{bottom:235px}}
@media(max-width:520px){.app-shell{grid-template-rows:55px minmax(0,1fr) calc(54px + env(safe-area-inset-bottom,0px))}.topbar{padding-inline:11px;gap:9px}.brand{gap:7px;font-size:7px;letter-spacing:2.2px}.brand strong{font-size:14px;letter-spacing:3px}.brand img{width:34px;height:34px}.mode-title{display:none}.resources{gap:6px}.resource{gap:6px;padding:5px 8px;min-width:65px;border-radius:6px}.resource strong{font-size:13px}.resource .energy-drop{width:13px;height:20px}.coin-icon{width:17px;height:17px;font-size:12px}.coins-resource{min-width:54px}.icon-button{width:29px;height:30px;border-radius:5px}.icon-button svg{width:17px;height:17px}.main-layout{padding:6px 10px 7px}.battle-shell{grid-template-rows:23px minmax(0,1fr) 148px}.battle-topline{padding-inline:3px;padding-bottom:5px}.mission-chip{font-size:8px}.auto-button{font-size:8px}.arena-frame{width:min(100%,calc((100dvh - 293px - env(safe-area-inset-bottom,0px))*1.263158));border-radius:11px;box-shadow:0 10px 30px #0006,0 0 0 3px #0b1825aa}.arena-frame:after{border-radius:10px}.arena-hud{top:8px;left:8px;right:8px;gap:6px}.life-chip{min-width:48px;padding:5px 7px;gap:5px}.life-chip strong{font-size:12px}.heart-shape{font-size:19px}.wave-chip{min-width:116px;padding:5px 12px}.wave-chip>span{font-size:7px}.wave-chip b{font-size:12px}.wave-chip i{font-size:8px}.wave-track{gap:2px;margin-top:4px}.wave-track i{width:8px;height:2px}.arena-pause{width:28px;height:29px}.arena-pause svg{width:13px;height:13px}.phase-label{font-size:6px;letter-spacing:.5px;padding:4px 5px}.boss-health>span{font-size:5px;letter-spacing:1px}.boss-health>div{height:3px;margin-top:3px}.arena-plaque{gap:8px;left:10%;right:10%}.arena-plaque p{font-size:11px}.arena-plaque>span{font-size:8px}.arena-banner{padding:14px 4px}.arena-banner strong{font-size:18px;letter-spacing:.5px}.arena-banner small{font-size:6px;margin-bottom:6px}.battle-controls{padding-top:8px}.action-row{height:47px;grid-template-columns:.64fr 1.38fr 1fr;gap:6px}.energy-well{gap:7px}.energy-well strong{font-size:18px}.energy-well .energy-drop{width:17px;height:24px}.summon-button>span{font-size:22px}.summon-button small{font-size:7px}.boost-button{gap:3px}.boost-button>span{font-size:12px}.boost-button>svg{width:15px;height:22px}.boost-button small{font-size:6px}.deck{margin-top:9px;gap:5px}.deck-card{height:62px;border-radius:6px}.deck-card:before{inset:2px;border-radius:4px}.deck-card .sprite{width:64px;height:85.333px}.deck-card small{font-size:6px;right:4px}.deck-card:after{width:3px;height:3px;left:4px;bottom:4px;box-shadow:5px 0 var(--accent)}.control-foot{padding-top:8px;gap:5px}.control-foot>button:first-child{font-size:7px;gap:4px}.control-foot>span{font-size:6px;letter-spacing:0;overflow:hidden;text-overflow:ellipsis}.check-box{width:9px;height:9px}.help-mini{width:16px;height:16px;font-size:9px}.bottom-bar{padding:0 9px env(safe-area-inset-bottom,0px);gap:5px}.bottom-bar nav{justify-self:start;gap:9px}.nav-button{min-width:58px;flex-direction:column;gap:3px;padding-inline:4px;font-size:7px}.nav-button svg{width:17px;height:17px}.footer-tools{gap:0}.footer-tools .icon-button{width:27px}.footer-tools #help-button{display:none}.toast{bottom:224px;font-size:10px;padding:10px 14px}.modal{padding:29px 20px 23px;border-radius:12px}.modal h2{font-size:27px}.modal .lead{font-size:11px}.collection-grid{grid-template-columns:repeat(2,1fr)}.collection-card .sprite{width:115px}.collection-card strong{font-size:16px;min-height:32px}.collection-card small{font-size:8px}.collection-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:100px 1fr;gap:5px}.collection-card:last-child .sprite{grid-row:1/4;width:100px}.collection-card:last-child strong{min-height:0}.help-list{grid-template-columns:1fr}.help-item{padding:14px}.help-item h3{margin:7px 0}.campaign-grid{grid-template-columns:1fr}.campaign-card{display:grid;grid-template-columns:100px minmax(0,1fr);gap:0 13px;padding:11px}.campaign-card .mission-art{height:147px;grid-row:1/5}.campaign-card h3{font-size:19px;min-height:0;margin:3px 0 7px}.campaign-card p{min-height:0;font-size:9px;margin-bottom:8px}.campaign-card .stars{font-size:12px;margin-bottom:7px}.campaign-card button{font-size:9px;padding:8px}.result{padding-inline:0}.result .result-stats{gap:20px}.loading-screen h2,.paused-screen h2{font-size:23px}.loading-screen p,.paused-screen p{font-size:10px}}
@media(max-height:670px) and (min-width:901px){.app-shell{grid-template-rows:56px minmax(0,1fr) 46px}.arena-frame{width:min(100%,calc((100dvh - 306px)*1.263158))}.mission-intro p,.mission-tags,.field-note,.saved-label{display:none}.left-sidebar,.right-sidebar{gap:12px}.mission-intro h1{font-size:28px;margin:8px 0}.mission-row{padding:9px 0}.unit-portrait{height:87px}.portrait{width:85px}.unit-panel>p{font-size:8px;min-height:0}.unit-panel h2{font-size:16px}.unit-stat-row{padding:7px 0}.boss-preview{padding:5px 8px}.boss-thumbnail{width:43px}.panel{padding:12px}.footer-tools .icon-button{height:29px}.bottom-bar nav{gap:18px}}
@media(max-height:500px) and (max-width:900px) and (orientation:landscape){.app-shell{grid-template-rows:43px minmax(0,1fr) 38px}.topbar{padding-inline:12px}.brand img{width:29px;height:29px}.brand{font-size:6px}.brand strong{font-size:12px}.main-layout{display:block;padding:4px 12px}.battle-shell{display:grid;grid-template-columns:minmax(0,1fr) 270px;grid-template-rows:18px minmax(0,1fr);gap:0 17px;max-width:800px;height:100%;margin:auto}.battle-topline{grid-column:1;padding-bottom:2px}.arena-wrap{grid-column:1;grid-row:2}.arena-frame{width:min(100%,calc((100dvh - 107px)*1.263158))}.battle-controls{grid-column:2;grid-row:1/3;align-self:center;padding-top:0}.deck-card{height:52px}.deck-card .sprite{width:54px;height:72px}.control-foot{flex-wrap:wrap;white-space:normal;gap:10px}.control-foot>span{width:100%;order:3;text-align:center}.action-row{grid-template-columns:.65fr 1.4fr;height:46px}.boost-button{grid-column:1/-1;min-height:36px}.boost-button>span{display:flex;align-items:center;gap:12px;font-size:12px}.boost-button small{margin-top:0}.deck{margin-top:47px}.bottom-bar nav{gap:20px}.nav-button{flex-direction:row;gap:7px}.footer-tools .icon-button{height:28px}.phase-label,.arena-plaque{display:none}.toast{bottom:55px}.arena-banner strong{font-size:13px}.arena-banner{padding:8px 3px}.arena-banner small{font-size:5px}.boss-health{top:19%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* The viewport crops decorative stone above and below the complete U road. */
.arena-frame{background:none}
.arena-hud{left:20%;right:20%;gap:6px}
.wave-chip{min-width:130px}
.arena-plaque{bottom:2.2%;gap:8px}
.arena-plaque p{font-size:11px}
.arena-plaque>span{font-size:9px}
.phase-label{top:15.5%;font-size:8px}
.boss-health{top:15.5%}
.deck-card:after{display:none}
@media(max-width:520px){.arena-plaque p{font-size:9px}.phase-label{font-size:6px}.main-layout{padding-inline:7px}.arena-hud{top:6px}}
@media(max-height:500px) and (max-width:900px) and (orientation:landscape){.arena-plaque,.phase-label{display:none}}

@media(max-width:900px) and (orientation:portrait){
  .battle-shell{grid-template-rows:23px auto 148px;align-content:center;row-gap:8px}
  .battle-controls{align-self:start}
}
@media(max-width:520px){
  .arena-hud{left:19%;right:19%;gap:4px}
  .wave-chip{min-width:0;flex:1;padding-inline:4px}
  .life-chip,.arena-pause{flex-shrink:0}
}