:root{--bg-deep: #0f1419;--bg-surface: #1a2332;--bg-elevated: #243447;--accent-gold: #d4a853;--accent-rust: #b85c38;--accent-iron: #8c9aae;--accent-myth: #e84a4a;--text-bright: #f0e6d3;--text-dim: #a29482;--success: #5a9e6f;--line: rgba(240, 230, 211, .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-bright);background:var(--bg-deep)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg-deep)}button,input,select{font:inherit}button{touch-action:manipulation}.app-shell{min-height:100vh;display:grid;grid-template-rows:68px 1fr 72px;background:linear-gradient(180deg,rgba(184,92,56,.08),transparent 30%),var(--bg-deep)}.topbar{display:grid;grid-template-columns:minmax(170px,1fr) auto auto;gap:16px;align-items:center;padding:12px 18px;border-bottom:1px solid var(--line);background:#0f1419f0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:3}.top-actions{display:flex;gap:8px}.brand-mark{display:flex;flex-direction:column;min-width:0}.brand-mark span,.auth-panel h1{font-family:Georgia,Times New Roman,serif;font-size:clamp(26px,4vw,38px);color:var(--accent-gold);line-height:1}.brand-mark small{color:var(--text-dim);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.resource-bar span{display:inline-flex;align-items:center;gap:5px;min-height:34px;padding:0 10px;border:1px solid var(--line);background:#243447b8;color:var(--text-bright)}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;min-height:0}.stage{position:relative;min-width:0;min-height:calc(100vh - 140px);overflow:hidden}.viewport{position:relative;width:100%;height:100%;min-height:calc(100vh - 140px);overflow:hidden;cursor:crosshair;background:#0f1419}.viewport canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.game-layer{display:block}.side-panel{padding:18px;border-left:1px solid var(--line);background:#0f1419e6;overflow-y:auto}.panel-stack{display:flex;flex-direction:column;gap:16px}.eyebrow{margin:0 0 6px;color:var(--accent-iron);text-transform:uppercase;letter-spacing:0;font-size:12px;font-weight:800}h2,p{margin-top:0}h2{margin-bottom:8px;font-size:24px;line-height:1.1}p,.muted{color:var(--text-dim);line-height:1.55}.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}.metric-grid div{padding:12px;background:var(--bg-surface);border:1px solid var(--line)}.metric-grid dt{color:var(--text-dim);font-size:12px}.metric-grid dd{margin:4px 0 0;font-size:20px;color:var(--accent-gold);font-weight:800}.action-row{display:flex;flex-wrap:wrap;gap:10px}.battle-controls{display:flex;flex-wrap:wrap;gap:8px}.primary-button,.secondary-button,.text-button,.icon-button,.nav-button,.tile-button,.unit-card,.chest-card{border:0;min-height:44px;cursor:pointer}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;border:1px solid transparent;font-weight:800}.primary-button{background:var(--accent-gold);color:#12100c}.primary-button:active,.secondary-button:active,.nav-button:active{transform:scale(.97)}.secondary-button{background:var(--bg-elevated);color:var(--text-bright);border-color:var(--line)}.secondary-button.active{border-color:var(--accent-gold);color:var(--accent-gold);background:#d4a8531f}.text-button{background:transparent;color:var(--accent-gold)}.icon-button{width:44px;height:44px;display:grid;place-items:center;color:var(--text-bright);background:var(--bg-elevated);border:1px solid var(--line)}.icon-button.small{width:32px;height:32px;min-height:32px;font-weight:800}.hint-card{display:grid;grid-template-columns:minmax(0,1fr) 32px;gap:12px;align-items:start;margin-bottom:16px;padding:14px;background:#243447b8;border:1px solid rgba(212,168,83,.32)}.hint-card .eyebrow{display:inline-flex;align-items:center;gap:6px}.hint-card strong,.hint-card span{display:block}.hint-card span{margin-top:6px;color:var(--text-dim);line-height:1.45}.bottom-nav{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);background:#0f1419f7;z-index:3}.nav-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:var(--text-dim);background:transparent;border-right:1px solid rgba(240,230,211,.08);min-width:0}.nav-button span{font-size:12px;white-space:nowrap}.nav-button.active{color:var(--accent-gold);background:#d4a85314}.busy-rune{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;padding:10px 12px;background:#0f1419e0;border:1px solid var(--line);color:var(--text-bright)}.select,.auth-panel input{width:100%;min-height:44px;border:1px solid var(--line);background:#111821;color:var(--text-bright);padding:0 12px;outline:none}.select:focus,.auth-panel input:focus{border-color:var(--accent-gold)}.build-grid,.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card-grid.compact{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.tile-button,.unit-card,.chest-card,.shop-card,.tier-card,.item-row{border:1px solid var(--line);background:var(--bg-surface);color:var(--text-bright)}.tile-button{display:flex;align-items:center;gap:8px;padding:10px;text-align:left}.tile-button span{overflow-wrap:anywhere;font-size:13px}.tile-button.active{border-color:var(--accent-gold);background:#d4a8531f}.panel-surface{height:100%;min-height:calc(100vh - 140px);overflow:auto;padding:28px;background:linear-gradient(180deg,#24344752,#0f1419db),#111821}.screen-grid{display:grid;gap:26px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}.section-heading h2{margin:0}.section-heading span{color:var(--text-dim)}.unit-card,.chest-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:14px;min-height:132px;text-align:left}.unit-card span,.chest-card span,.shop-card span,.item-row span{color:var(--text-dim);line-height:1.4}.item-list{display:grid;gap:10px}.item-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding:12px;border-left-width:4px}.item-row>div:first-child{min-width:0;display:flex;flex-direction:column;gap:5px}.row-actions{display:flex;gap:8px}.empty-state{margin-top:12px;padding:18px;color:var(--text-dim);border:1px dashed rgba(240,230,211,.22)}.pass-screen{display:grid;gap:16px}.pass-progress{height:12px;background:#111821;border:1px solid var(--line)}.pass-progress span{display:block;height:100%;background:var(--accent-gold)}.tier-track{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.tier-card{padding:12px;display:grid;gap:8px;opacity:.58}.tier-card.unlocked{opacity:1;border-color:#d4a8538c}.tier-card button{min-height:34px;border:1px solid var(--line);color:var(--text-bright);background:var(--bg-elevated)}.tier-card button:disabled,.primary-button:disabled{opacity:.45;cursor:not-allowed}.shop-card{min-height:220px;padding:16px;display:flex;flex-direction:column;gap:10px}.shop-card.featured{border-color:var(--accent-gold);background:#d4a8531a}.shop-card .primary-button{margin-top:auto}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;position:relative;overflow:hidden}.auth-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.auth-panel{position:relative;width:min(430px,100%);display:grid;gap:14px;padding:28px;background:#0f1419e0;border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.auth-panel h1{margin:0;font-size:clamp(40px,12vw,52px)}.auth-panel p{margin-bottom:6px}.auth-panel label{display:grid;gap:7px;color:var(--text-bright)}.auth-panel label svg{vertical-align:-3px;margin-right:6px;color:var(--accent-gold)}.error-line{color:#ffd0c3;background:#b85c382e;border:1px solid rgba(184,92,56,.5);padding:10px 12px}@media(max-width:960px){.app-shell{grid-template-rows:auto 1fr 70px}.topbar{grid-template-columns:1fr auto}.resource-bar{grid-column:1 / -1;justify-content:flex-start}.game-layout{grid-template-columns:1fr}.stage,.viewport,.panel-surface{min-height:calc(100vh - 238px)}.side-panel{position:fixed;left:10px;right:10px;bottom:78px;max-height:38vh;padding:14px;border:1px solid var(--line);background:#0f1419f0;z-index:4}.bottom-nav{grid-template-columns:repeat(6,minmax(0,1fr))}.nav-button span{font-size:10px}.panel-surface{padding:18px}}@media(max-width:620px){.resource-bar span{padding:0 8px;font-size:12px}.brand-mark span{font-size:28px}.build-grid,.card-grid,.tier-track,.item-row{grid-template-columns:1fr}.auth-panel{padding:22px}}