:root{--bg-dark:#0f172a;--bg-panel:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#10b981;--accent-glow:#10b98199;--accent-alt:#8b5cf6;--accent-alt-glow:#8b5cf699;--border-light:#ffffff1a;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);background-image:radial-gradient(circle at 15%,#10b9811a,#0000 25%),linear-gradient(#ffffff05 1px,#0000 1px),linear-gradient(90deg,#ffffff05 1px,#0000 1px);background-size:100% 100%,20px 20px,20px 20px;justify-content:center;align-items:center;min-height:100vh;font-family:Inter,sans-serif;display:flex}#root{width:100%;min-height:100vh;display:flex}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif}.panel{background:var(--bg-panel);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-light);border-radius:16px;padding:2rem;box-shadow:0 8px 32px #0000004d}.btn{cursor:pointer;border:none;border-radius:8px;padding:.8rem 1.2rem;font-family:Inter,sans-serif;font-weight:600;transition:all .2s}.primary-btn{background:var(--accent);color:#fff;box-shadow:0 4px 15px var(--accent-glow)}.primary-btn:hover{box-shadow:0 6px 20px var(--accent-glow);transform:translateY(-2px)}.secondary-btn{color:var(--text-main);border:1px solid var(--border-light);background:0 0}.secondary-btn:hover{background:#ffffff1a}.hidden{display:none!important}.app-container{flex-direction:column;gap:2rem;width:100%;max-width:1200px;margin:0 auto;padding:2rem;display:flex}.top-nav{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-bottom:1rem;display:flex}.logo{color:var(--accent);letter-spacing:2px;font-family:Outfit,sans-serif}.main-menu{flex-direction:column;align-items:center;gap:3rem;display:flex}.header{text-align:center}.module-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;width:100%;display:grid}.module-card{background:var(--bg-panel);border:1px solid var(--border-light);color:var(--text-main);border-radius:16px;flex-direction:column;align-items:center;gap:1rem;padding:2rem;text-decoration:none;transition:all .3s;display:flex;box-shadow:0 4px 6px #0000001a}.module-card:hover{background:#ffffff0d;border-color:#fff3;transform:translateY(-5px);box-shadow:0 10px 20px #0003}.module-icon{opacity:.9;margin-bottom:.5rem}.module-card h3{font-family:Outfit,sans-serif;font-size:1.5rem}.module-card p{color:var(--text-muted);text-align:center;font-size:.9rem}.dashboard-section{flex-direction:column;gap:1.5rem;width:100%;display:flex}.section-header{color:var(--accent);text-transform:uppercase;letter-spacing:2px;border-bottom:2px solid #ffffff0d;align-items:baseline;gap:10px;padding-bottom:.5rem;font-family:Outfit,sans-serif;font-size:1.25rem;display:flex}.section-header small{color:var(--text-muted);text-transform:none;letter-spacing:0;font-size:.85rem}.responsive-container{grid-template-columns:1fr 300px;gap:1.5rem;display:grid}@media (width<=900px){.responsive-container{grid-template-columns:1fr}.app-container{padding:1rem}.top-nav{text-align:center;flex-direction:column;gap:1rem}}@media (width<=600px){.module-grid{grid-template-columns:1fr}h2{font-size:1.5rem}.btn{padding:.5rem 1rem;font-size:.85rem}}.recipe-visual{background:#0003;border-radius:12px;flex-wrap:wrap;justify-content:center;gap:10px;padding:1rem;display:flex}.sphere{border-radius:50%;width:30px;height:30px;box-shadow:inset -5px -5px 10px #00000080,0 0 10px #fff3}.sphere.copper{background:radial-gradient(circle at 30% 30%,#fca5a5,#ef4444);box-shadow:0 0 15px #ef444499}.sphere.zinc{background:radial-gradient(circle at 30% 30%,#93c5fd,#3b82f6);box-shadow:0 0 15px #3b82f699}.tank-visual-wrapper{gap:1rem;height:250px;display:flex}.tank{border:2px solid var(--border-light);background:#0006;border-radius:12px 12px 4px 4px;flex-wrap:wrap-reverse;flex:1;align-content:flex-start;gap:5px;padding:10px;display:flex;position:relative;overflow:hidden}.tank .sphere{width:25px;height:25px;animation:.3s cubic-bezier(.175,.885,.32,1.275) forwards fallIn}@keyframes fallIn{0%{opacity:0;transform:translateY(-50px)scale(.5)}to{opacity:1;transform:translateY(0)scale(1)}}.tank-level{background:#00000080;border-radius:8px;width:30px;position:relative;overflow:hidden}.fill-level{background:linear-gradient(#ffffff80,#ffffff1a);width:100%;transition:height .5s ease-in-out;position:absolute;bottom:0}.math-board{background:#0000004d;border:1px dashed #fff3;border-radius:12px;justify-content:center;align-items:center;gap:1.5rem;padding:1.5rem;display:flex}.fraction-box{flex-direction:column;align-items:center;display:flex}.fraction{flex-direction:column;align-items:center;font-family:Outfit,sans-serif;font-size:2rem;font-weight:700;display:flex}.numerator{border-bottom:2px solid var(--text-main);padding:0 .5rem}.denominator{padding:0 .5rem}.equals{font-size:2rem;font-weight:700}.copper-text{color:#ef4444;font-weight:700}.zinc-text{color:#3b82f6;font-weight:700}.stats{background:#0003;border-radius:8px;flex-direction:column;gap:.5rem;padding:1rem;display:flex}.stat-row{justify-content:space-between;display:flex}.input-group{align-items:center;gap:.5rem;margin-top:10px;display:flex}.input-group input{border:1px solid var(--border-light);color:#fff;text-align:center;background:#0000004d;border-radius:8px;width:60px;padding:.5rem;font-family:Outfit,sans-serif;font-size:1.2rem}.reactor-ui{justify-content:center;align-items:center;gap:1rem;margin:1rem 0;display:flex}.splicer-slot-container{flex-direction:column;align-items:center;gap:.5rem;display:flex}.slot-label{color:var(--text-muted);text-transform:uppercase;font-size:.8rem}.splicer-slot{color:#ffffff4d;border:2px dashed #ffffff4d;border-radius:25px;justify-content:center;align-items:center;width:130px;height:50px;font-size:.8rem;transition:all .2s;display:flex}.splicer-slot.filled{border:none}.dna-strand{cursor:grab;-webkit-user-select:none;user-select:none;border-radius:20px;padding:.8rem 1rem;font-family:Inter,sans-serif;transition:all .2s;display:inline-block;box-shadow:0 4px 6px #0000004d}.dna-strand:hover{filter:brightness(1.2);transform:translateY(-2px);box-shadow:0 6px 12px #0006}.dna-strand:active{transform:translateY(0)}.dna-strand.prefix-strand{color:#fff;background:linear-gradient(135deg,#064e3b,#10b981);border:1px solid #34d399}.dna-strand.root{color:#fff;background:linear-gradient(135deg,#1e3a8a,#3b82f6);border:1px solid #60a5fa}.dna-strand.suffix{color:#fff;background:linear-gradient(135deg,#4c1d95,#8b5cf6);border:1px solid #a78bfa}.splicer-slot .dna-strand{width:100%;height:100%;box-shadow:none;border:none;justify-content:center;align-items:center;margin:0;display:flex}.plus-sign{color:#fff3;font-size:2rem;font-weight:700}.message-box.neutral{border-left:4px solid var(--accent);background:#0006}.message-box.error{color:#fecaca;background:#ef44441a;border-left:4px solid #ef4444}.message-box.warning{color:#fde68a;background:#f59e0b1a;border-left:4px solid #f59e0b}:root{--beam-bg:#334155;--beam-border:#64748b}.bridge-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-bottom:.5rem;display:flex}.objective{color:var(--text-muted);font-style:italic}.bridge-chasm{background:#00000080;border-radius:8px;justify-content:space-between;align-items:center;padding:2rem 0;display:flex;position:relative;overflow:hidden}.cliff{border:2px solid var(--beam-border);background:repeating-linear-gradient(45deg,#1e293b,#1e293b 10px,#0f172a 10px 20px);width:50px;height:120px}.left-cliff{border-left:none;border-radius:0 8px 8px 0}.right-cliff{border-right:none;border-radius:8px 0 0 8px}.bridge-slots{flex:1;justify-content:center;align-items:center;gap:.5rem;padding:0 1rem;display:flex}.slot{background:#f59e0b0d;border:2px dashed #f59e0b;border-radius:8px;justify-content:center;align-items:center;width:180px;height:80px;transition:all .2s;display:flex}.slot.drag-over{background:#f59e0b33;transform:scale(1.05)}.slot.stable{border-color:#10b981}.slot-label{color:#f59e0b;text-transform:uppercase;letter-spacing:1px;opacity:.5;pointer-events:none;font-size:.8rem}.hinge{color:#f59e0b;padding-bottom:20px;font-size:3rem;font-weight:700;line-height:0}.hinge.stable{color:#10b981}.beam-inventory{flex-direction:column;gap:1rem;min-height:200px;display:flex}.beam{background:var(--beam-bg);border:2px solid var(--beam-border);color:#fff;cursor:grab;text-align:center;-webkit-user-select:none;user-select:none;border-radius:4px;padding:1rem;font-family:Outfit,sans-serif;font-size:1rem;box-shadow:inset 0 2px #ffffff1a,0 4px 6px #0000004d}.beam:active{cursor:grabbing}.slot .beam{border-radius:6px;justify-content:center;align-items:center;width:100%;height:100%;margin:0;display:flex;box-shadow:0 0 15px #f59e0b66}.controls{gap:1rem;margin-top:1rem;display:flex}.message-box{border-radius:8px;margin-top:1rem;padding:1rem;font-weight:500}.message-box.success{color:#a7f3d0;background:#10b9811a;border-left:4px solid #10b981}.message-box.error{color:#fecaca;background:#ef44441a;border-left:4px solid #ef4444;animation:.5s shake}.action-btn{color:#fff;background:#f59e0b}.action-btn:hover{background:#d97706}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)rotate(-1deg)}75%{transform:translate(5px)rotate(1deg)}}.collapse-anim{animation:1s forwards fallDown}@keyframes fallDown{0%{transform:translateY(0)rotate(0)}to{opacity:0;transform:translateY(200px)rotate(15deg)}}.scale-apparatus{flex-direction:column;justify-content:flex-end;align-items:center;height:250px;display:flex;position:relative}.fulcrum{border-left:30px solid 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#0000004d}.block:active{transform:scale(.9)}.x-block{color:#fff;background:linear-gradient(135deg,#fbbf24,#d97706);border:2px solid #fff;width:50px;height:50px;font-size:1.5rem}.unit-block{color:#fff;background:linear-gradient(135deg,#64748b,#475569);width:30px;height:30px;font-size:1rem}.math-display{background:#0000004d;border-radius:8px;justify-content:center;gap:2rem;margin-bottom:2rem;padding:1rem;font-family:Outfit,sans-serif;font-size:2.5rem;font-weight:700;transition:all .3s;display:flex}.status-balanced{color:#10b981}.status-unbalanced{color:#ef4444;animation:1s infinite alternate pulse-danger}@keyframes pulse-danger{0%{transform:scale(1)}to{transform:scale(1.1)}}.msg-box{border-left:4px solid var(--accent-alt);background:#0006;border-radius:4px;margin-top:2rem;padding:1rem;font-size:.9rem}.floating-action{color:#fbbf24;pointer-events:none;z-index:100;text-shadow:0 0 10px #fbbf2480;font-size:1.2rem;font-weight:700;animation:1.5s forwards float-up;position:absolute;top:-40px;left:50%;transform:translate(-50%)}@keyframes float-up{0%{opacity:0;transform:translate(-50%)}20%{opacity:1;transform:translate(-50%,-20px)}to{opacity:0;transform:translate(-50%,-60px)}}