:root{--panel:rgba(12,16,34,.9);--panel-2:rgba(15,20,42,.96);--border:rgba(91,233,255,.35);--cyan:#59f3ff;--pink:#ff5edc;--lime:#a5ff68;--yellow:#ffe66b;--text:#eafaff;--muted:#93adc0;--danger:#ff667f;--radius:18px}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;font-family:Inter,Arial,sans-serif;background:radial-gradient(circle at top,rgba(255,94,220,.1),transparent 32%),radial-gradient(circle at bottom,rgba(89,243,255,.1),transparent 36%),linear-gradient(180deg,#06070f,#0a1020 55%,#06070f);color:var(--text)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:30px 30px}
button,input,textarea,select{font:inherit}
.screen{position:absolute;inset:0;display:none;align-items:center;justify-content:center;padding:clamp(8px,2vw,24px)}
.screen.active{display:flex}
.menu-card{width:min(1200px,100%);max-height:100%;background:var(--panel);border:1px solid var(--border);border-radius:28px;backdrop-filter:blur(16px);padding:clamp(14px,2vw,28px);overflow:auto}
.title-wrap{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:.28em;font-size:12px;font-weight:700}
h1,h2,h3,p{margin:0}
h1{font-size:clamp(36px,7vw,68px);line-height:.96;letter-spacing:-.04em}
.subtitle{color:var(--muted);max-width:780px;line-height:1.5;font-size:16px}
.menu-grid,.settings-layout{display:grid;grid-template-columns:1fr .9fr;gap:18px}
.panel{background:var(--panel-2);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:16px}
.panel h3{margin-bottom:10px;font-size:18px;color:var(--cyan)}
.panel p,.footer-note{color:var(--muted);line-height:1.45}
.button-list{display:flex;flex-direction:column;gap:12px}
.btn{border:1px solid rgba(89,243,255,.35);background:linear-gradient(180deg,rgba(22,30,60,.95),rgba(12,18,40,.95));color:var(--text);padding:14px 16px;border-radius:14px;cursor:pointer;text-align:left;font-weight:700;transition:.15s}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,94,220,.55)}
.btn.primary{border-color:rgba(89,243,255,.5)}
.btn.small{padding:10px 12px;font-size:14px}
.btn.center{text-align:center}
.btn.locked{opacity:.55}
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
.info-box{background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:12px}
.label{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:6px}
.value{font-size:22px;font-weight:800}
.setting-row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.setting-row:last-child{border-bottom:none}
.setting-copy strong{display:block;margin-bottom:5px}
.setting-copy span{color:var(--muted);font-size:14px;line-height:1.4}
.number-control{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:8px}
.number-control input{width:88px;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.07);border-radius:10px;color:var(--text);padding:10px;text-align:center;outline:none}
.research-full{width:100%;height:100%}
.research-card{width:100%;height:100%;background:var(--panel);border:1px solid var(--border);border-radius:28px;backdrop-filter:blur(16px);padding:18px;display:flex;flex-direction:column;min-height:0}
.research-tree{position:relative;flex:1;min-height:360px;height:100%;border:1px solid rgba(255,255,255,.06);border-radius:18px;background:rgba(255,255,255,.02);overflow:hidden;cursor:grab}
.research-tree.panning{cursor:grabbing}
.research-lines,.dev-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.research-content,.dev-content{position:absolute;left:0;top:0;width:6400px;height:3600px;transform-origin:0 0}
.research-node{position:absolute;width:180px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:8px;min-height:104px}
.research-node.locked{opacity:.62}
.research-node.researched{border-color:rgba(125,255,176,.42)}
.node-title{font-weight:800}
.node-copy{color:var(--muted);font-size:13px;line-height:1.35;flex:1}
.node-req{color:var(--yellow);font-size:12px}
.research-hover-box{background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:12px;min-height:160px;color:var(--muted);line-height:1.45}
.dev-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}
.dev-canvas{position:relative;height:560px;border:1px solid rgba(255,255,255,.06);border-radius:18px;background:rgba(255,255,255,.02);overflow:hidden;cursor:grab}
.dev-canvas.panning{cursor:grabbing}
.dev-node{position:absolute;width:170px;background:rgba(18,24,48,.96);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:10px;cursor:grab;display:flex;flex-direction:column;gap:6px}
.dev-node.selected{border-color:rgba(89,243,255,.8)}
.dev-node .mini{font-size:12px;color:var(--muted)}
.dev-side{display:flex;flex-direction:column;gap:12px}
.dev-side input,.dev-side textarea,.dev-side select{width:100%;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.07);border-radius:10px;color:var(--text);padding:10px;outline:none}
.dev-side textarea{min-height:84px;resize:vertical}
#gameScreen{padding:16px;align-items:stretch;justify-content:stretch}
.game-shell{width:100%;height:100%;display:grid;grid-template-columns:clamp(280px,26vw,390px) minmax(0,1fr);gap:16px}
.sidebar{background:var(--panel);border:1px solid var(--border);border-radius:24px;backdrop-filter:blur(16px);padding:16px;display:flex;flex-direction:column;gap:14px;overflow:auto}
.game-card{background:rgba(9,15,30,.92);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:14px}
.hud-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.hud-stat{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:12px}
.hud-stat .label{font-size:11px}
.hud-stat .value{font-size:24px}
.section-title{font-size:15px;font-weight:800;color:var(--cyan);margin-bottom:10px;text-transform:uppercase}
.tower-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-height:420px;overflow:auto}
.tower-btn{width:100%;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:linear-gradient(180deg,rgba(20,27,56,.95),rgba(12,18,38,.95));color:var(--text);padding:10px 12px;cursor:pointer;text-align:left;display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:8px;align-items:center;transition:.15s;min-height:52px;overflow:hidden}
.tower-btn:hover,.tower-btn.active{border-color:rgba(89,243,255,.45);transform:translateY(-1px)}
.tower-btn .icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);font-size:14px;font-weight:900;line-height:1}
.name-row{display:block;font-weight:800;margin-bottom:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.cost-tag{font-weight:800;color:var(--text);font-size:13px;white-space:nowrap}
.status-line{color:var(--yellow);min-height:20px;font-size:14px}
.status-line.error{color:var(--danger)}
.game-area{position:relative;min-width:0;min-height:0;background:rgba(6,8,18,.75);border:1px solid rgba(89,243,255,.3);border-radius:24px;overflow:hidden}
canvas{display:block;width:100%;height:100%}
.top-overlay{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;pointer-events:none}
.overlay-chip{background:rgba(10,14,30,.85);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:10px 12px;pointer-events:auto}
.overlay-chip span{color:var(--muted);font-size:13px}
@media (max-width:1100px){.game-shell,.menu-grid,.settings-layout,.dev-layout{grid-template-columns:1fr}#gameScreen{overflow:auto}.game-area{min-height:60vh}.tower-list{grid-template-columns:1fr}}
.card-slot-grid{display:grid;grid-template-columns:repeat(var(--slot-columns,1),minmax(180px,260px));justify-content:center;gap:12px}
.card-slot{min-height:120px;border:1px dashed rgba(255,255,255,.22);border-radius:14px;background:rgba(255,255,255,.02);padding:12px;display:flex;align-items:center;justify-content:center;text-align:center}
.card-slot.unlocked{border-style:solid;border-color:rgba(89,243,255,.35)}
.card-search{min-width:260px;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.07);border-radius:10px;color:var(--text);padding:10px;outline:none}
.card-pool-grid{margin-top:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;max-height:min(48vh,480px);overflow:auto;padding-bottom:6px}
.owned-card{border:2px solid rgba(255,255,255,.2);border-radius:14px;background:linear-gradient(180deg,rgba(20,27,56,.95),rgba(12,18,38,.95));padding:10px;display:flex;flex-direction:column;gap:8px;text-align:left;color:var(--text);cursor:pointer;min-height:140px}
.owned-card-image{font-size:28px;font-weight:900}
.owned-card-name{font-weight:800}
.owned-card-desc{font-size:12px;color:var(--muted);line-height:1.35}
.mini{font-size:12px;color:var(--muted)}
.menu-version{position:absolute;right:22px;bottom:18px;color:var(--muted);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.menu-card{position:relative}
.owned-card-meta{font-size:11px;color:var(--muted);margin-top:auto}
.owned-card.locked{opacity:.55;filter:saturate(.6);cursor:not-allowed}

.card-slot.drag-over{border-color:rgba(125,255,176,.8);background:rgba(125,255,176,.08)}
.center-placeholder{max-width:420px;width:100%}

.research-card-shop{display:grid;grid-template-rows:repeat(3,minmax(108px,108px));grid-auto-flow:column;grid-auto-columns:170px;gap:10px;max-height:min(60vh,560px);overflow-x:auto;overflow-y:hidden;align-content:start;justify-content:flex-start;padding-bottom:6px}
.research-card-item{width:170px;height:108px;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:9px;background:linear-gradient(180deg,rgba(20,27,56,.95),rgba(12,18,38,.95));display:grid;grid-template-rows:auto auto auto 1fr;gap:5px;text-align:left}
.research-card-item .name{font-weight:800;font-size:13px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.research-card-item .price{font-size:12px;color:var(--yellow);font-weight:700}
.research-card-item .req{font-size:11px;color:var(--muted)}
.research-card-item .btn{padding:6px 8px;font-size:12px;border-radius:8px}
.card-shop-tooltip{position:fixed;z-index:1200;max-width:min(320px,46vw);background:rgba(10,15,30,.97);border:1px solid rgba(89,243,255,.35);border-radius:12px;padding:10px;box-shadow:0 10px 24px rgba(0,0,0,.45);pointer-events:none}
.card-shop-tooltip-title{font-weight:800;margin-bottom:6px}
.card-shop-tooltip-body{font-size:12px;color:var(--muted);line-height:1.45}

.menu-global-hud{position:fixed;top:10px;right:12px;z-index:1300;background:rgba(10,14,30,.92);border:1px solid rgba(89,243,255,.35);border-radius:12px;padding:8px 12px;font-size:13px;color:var(--muted);backdrop-filter:blur(8px)}
.menu-global-hud strong{color:var(--text);font-size:15px}