:root{--color-navy-deep:#020838;--color-navy-surface:#070e46;--color-navy-panel:#0d175e;--color-navy-border:#1a2a86;--color-navy-glass:#070e46bf;--color-gold:gold;--color-gold-hover:#ffe44d;--color-gold-glow:#ffd70080;--color-gold-dim:#8b7500;--color-white:#fff;--color-white-muted:#b4c2f0;--color-white-stripe:#ffffffe6;--color-danger:#ff4d4d;--color-success:#4dff88;--color-botch:#f36;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-gold:0 0 15px #ffd70066;--shadow-navy:0 10px 30px #0009}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-navy-deep);color:var(--color-white);font-family:var(--font-family);background-image:radial-gradient(circle at 50% 0,#ffd70014 0%,#0000 60%),radial-gradient(circle at 100% 100%,#0d175ecc 0%,#0000 50%);background-attachment:fixed;min-height:100vh;line-height:1.5}.app-header{background:var(--color-navy-surface);border-bottom:2px solid var(--color-gold);box-shadow:var(--shadow-navy);z-index:100;padding:1rem 2rem;position:sticky;top:0}.terran-stripe{background:linear-gradient(90deg, var(--color-navy-deep) 0%, var(--color-white) 50%, var(--color-navy-deep) 100%);height:4px;margin:.5rem 0 1rem}.header-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.brand-title{letter-spacing:1px;color:var(--color-white);text-transform:uppercase;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:800;display:flex}.brand-title span{color:var(--color-gold)}.starburst-icon{color:var(--color-gold);filter:drop-shadow(0 0 6px var(--color-gold))}.nav-tabs{border-bottom:1px solid var(--color-navy-border);gap:.5rem;margin-top:1rem;display:flex}.nav-tab{color:var(--color-white-muted);cursor:pointer;border-radius:var(--radius-md) var(--radius-md) 0 0;background:0 0;border:1px solid #0000;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.nav-tab:hover{color:var(--color-gold);background:#ffd7000d}.nav-tab.active{color:var(--color-gold);background:var(--color-navy-panel);border-color:var(--color-gold) var(--color-gold) transparent var(--color-gold);box-shadow:inset 0 2px 0 var(--color-gold)}.main-container{max-width:1400px;margin:2rem auto;padding:0 1.5rem}.glass-card{background:var(--color-navy-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--color-navy-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-navy);margin-bottom:1.5rem;padding:1.5rem}.glass-card-header{border-bottom:1px solid var(--color-navy-border);justify-content:space-between;align-items:center;margin-bottom:1.25rem;padding-bottom:.75rem;display:flex}.card-title{color:var(--color-gold);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:.5rem;font-size:1.2rem;font-weight:700;display:flex}.btn{background:var(--color-navy-panel);color:var(--color-white);border:1px solid var(--color-navy-border);border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.btn:hover{background:var(--color-navy-border);color:var(--color-gold)}.btn-primary{background:var(--color-gold);color:var(--color-navy-deep);border-color:var(--color-gold);font-weight:700}.btn-primary:hover{background:var(--color-gold-hover);box-shadow:var(--shadow-gold);color:var(--color-navy-deep)}.btn-danger{border-color:var(--color-danger);color:var(--color-danger)}.btn-danger:hover{background:var(--color-danger);color:var(--color-white)}.tree-canvas-container{background-color:var(--color-navy-panel);border:2px solid var(--color-gold);border-radius:var(--radius-lg);width:800px;height:600px;box-shadow:var(--shadow-navy);background-image:linear-gradient(90deg,#ffd70012 1px,#0000 1px),linear-gradient(#ffd70012 1px,#0000 1px);background-size:40px 40px;margin:0 auto;position:relative;overflow:hidden}.subtree-background-panel{border-radius:var(--radius-md);pointer-events:none;background:#070e468c;border:1px dashed #ffd7004d;padding:10px;position:absolute;top:30px;bottom:30px}.subtree-label{color:var(--color-gold);text-transform:uppercase;letter-spacing:1px;text-align:center;opacity:.85;font-size:.8rem;font-weight:800}.tree-svg-layer{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.connection-line{stroke:var(--color-navy-border);stroke-width:3px;transition:all .3s}.connection-line.active{stroke:var(--color-gold);stroke-width:4px;filter:drop-shadow(0 0 6px var(--color-gold))}.connection-line.available{stroke:var(--color-white-muted);stroke-width:3px;stroke-dasharray:4 4}.diamond-node-wrapper{cursor:pointer;z-index:10;-webkit-user-select:none;user-select:none;transition:transform .2s;position:absolute;transform:translate(-50%,-50%)}.diamond-node-wrapper:hover{z-index:20;transform:translate(-50%,-50%)scale(1.12)}.diamond-node{background:var(--color-navy-surface);border:2px solid var(--color-navy-border);justify-content:center;align-items:center;width:52px;height:52px;transition:all .3s;display:flex;position:relative;transform:rotate(45deg);box-shadow:0 4px 10px #00000080}.diamond-node-content{color:var(--color-white-muted);flex-direction:column;justify-content:center;align-items:center;display:flex;transform:rotate(-45deg)}.diamond-node.unlocked{background:var(--color-gold);border-color:var(--color-white);box-shadow:var(--shadow-gold)}.diamond-node.unlocked .diamond-node-content{color:var(--color-navy-deep)}.diamond-node.available{border-color:var(--color-gold);background:var(--color-navy-panel);animation:2s infinite pulse-border}.diamond-node.available .diamond-node-content{color:var(--color-gold)}.diamond-node.root{width:64px;height:64px}.rectangle-node{background:var(--color-navy-surface);border:2px solid var(--color-gold);border-radius:var(--radius-sm);width:120px;height:38px;color:var(--color-white);justify-content:center;align-items:center;font-size:.75rem;font-weight:800;transition:all .3s;display:flex;box-shadow:0 4px 10px #00000080}.rectangle-node.unlocked{background:var(--color-gold);color:var(--color-navy-deep);border-color:var(--color-white);box-shadow:var(--shadow-gold)}.rectangle-node.available{background:var(--color-navy-panel);color:var(--color-gold);border-color:var(--color-gold);animation:2s infinite pulse-border}@keyframes pulse-border{0%{box-shadow:0 0 #ffd70066}70%{box-shadow:0 0 0 10px #ffd70000}to{box-shadow:0 0 #ffd70000}}.node-notch{background:var(--color-gold);border-radius:50%;width:6px;height:6px;position:absolute}.node-notch.top{top:-4px;left:calc(50% - 3px)}.node-notch.right{top:calc(50% - 3px);right:-4px}.node-notch.bottom{bottom:-4px;left:calc(50% - 3px)}.node-notch.left{top:calc(50% - 3px);left:-4px}.upgrade-pips-container{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0;transform:rotate(-45deg)}.upgrade-pip{border:1.5px solid var(--color-gold);background:var(--color-navy-deep);border-radius:50%;width:8px;height:8px;transition:all .2s;position:absolute;box-shadow:0 0 4px #000c}.upgrade-pip.filled{background:var(--color-gold);border-color:var(--color-white);box-shadow:0 0 8px var(--color-gold)}.upgrade-pip-0{top:-6px;left:calc(50% - 4px)}.upgrade-pip-1{top:calc(50% - 4px);right:-6px}.upgrade-pip-2{bottom:-6px;left:calc(50% - 4px)}.upgrade-pip-3{top:calc(50% - 4px);left:-6px}.node-title-label{white-space:nowrap;color:var(--color-white);border-radius:var(--radius-sm);border:1px solid var(--color-navy-border);pointer-events:none;text-align:center;background:#020838f2;padding:4px 10px;font-size:.75rem;font-weight:700;position:absolute;top:58px;left:50%;transform:translate(-50%);box-shadow:0 4px 8px #00000080}.node-core-grant{color:var(--color-gold);font-size:.68rem;font-style:italic;font-weight:800}.side-inspector{background:var(--color-navy-surface);border:1px solid var(--color-navy-border);border-radius:var(--radius-lg);padding:1.25rem}.prereq-badge{border-radius:var(--radius-sm);align-items:center;gap:.4rem;margin-top:.25rem;padding:.25rem .5rem;font-size:.8rem;display:inline-flex}.prereq-badge.met{color:var(--color-success);border:1px solid var(--color-success);background:#4dff8826}.prereq-badge.unmet{color:var(--color-danger);border:1px solid var(--color-danger);background:#ff4d4d26}.dice-pool-display{flex-wrap:wrap;gap:.5rem;margin:1rem 0;display:flex}.d8-die{background:var(--color-navy-panel);border:2px solid var(--color-navy-border);border-radius:var(--radius-md);width:50px;height:50px;color:var(--color-white);flex-direction:column;justify-content:center;align-items:center;font-size:1.2rem;font-weight:800;display:flex;box-shadow:0 4px 8px #0006}.d8-die.hit{background:var(--color-gold);color:var(--color-navy-deep);border-color:var(--color-white);box-shadow:var(--shadow-gold)}.d8-die.exploded{color:var(--color-navy-deep);border-color:var(--color-white);background:#fa0;animation:1.5s infinite pulse-border}.d8-die.botch{background:var(--color-botch);color:var(--color-white);border-color:var(--color-danger)}.die-subtext{text-transform:uppercase;font-size:.6rem;font-weight:700}.grid-2{grid-template-columns:2fr 1fr;gap:1.5rem;display:grid}@media (width<=1024px){.grid-2{grid-template-columns:1fr}}