:root{--bg: #0a0e14;--surface: #111822;--surface-hover: #1a2433;--accent: #6ee7b7;--accent-dim: #34d399;--text: #d4dce8;--text-dim: #6b7d94;--border: #1e2d3d;--bit-0: #2a3444;--bit-1: #6ee7b7;--sign-color: #f87171;--exp-color: #60a5fa;--mantissa-color: #6ee7b7}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:14px}#app{display:flex;height:100%}#sidebar{width:260px;min-width:260px;background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}#sidebar h1{font-size:18px;font-weight:700;color:var(--accent);line-height:1.3;letter-spacing:-.5px}#experiment-list{display:flex;flex-direction:column;gap:4px}.experiment-card{padding:12px;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:all .15s ease;background:transparent;text-align:left;color:var(--text);font-family:inherit;font-size:inherit}.experiment-card:hover{background:var(--surface-hover)}.experiment-card.active{background:var(--surface-hover);border-color:var(--accent);border-left:3px solid var(--accent)}.experiment-card .name{font-weight:600;font-size:13px;margin-bottom:4px}.experiment-card .description{font-size:11px;color:var(--text-dim);line-height:1.4}#viewport{flex:1;overflow-y:auto;padding:32px}#experiment-container{max-width:900px;margin:0 auto}.experiment-header{margin-bottom:32px}.experiment-header h2{font-size:24px;color:var(--accent);margin-bottom:8px}.experiment-header p{color:var(--text-dim);font-size:13px;line-height:1.6;max-width:600px}.experiment-section{margin-top:24px;padding:20px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.experiment-section h3{font-size:13px;color:var(--accent-dim);text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px}.fp-input-row{display:flex;gap:12px;align-items:center;margin-bottom:20px}.fp-input{flex:1;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:16px}.fp-input:focus{outline:none;border-color:var(--accent)}.fp-format-select{padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:14px}.fp-format-select:focus{outline:none;border-color:var(--accent)}.bit-grid{display:flex;flex-wrap:wrap;gap:2px;margin-bottom:16px}.bit-cell{width:28px;height:32px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;border-radius:4px;cursor:pointer;transition:all .1s ease;-webkit-user-select:none;user-select:none}.bit-cell:hover{transform:scale(1.1)}.bit-cell[data-region=sign]{background:color-mix(in srgb,var(--sign-color) 20%,var(--bg));color:var(--sign-color)}.bit-cell[data-region=exponent]{background:color-mix(in srgb,var(--exp-color) 20%,var(--bg));color:var(--exp-color)}.bit-cell[data-region=mantissa]{background:color-mix(in srgb,var(--mantissa-color) 20%,var(--bg));color:var(--mantissa-color)}.bit-cell[data-value="1"]{font-weight:900}.bit-cell[data-value="0"]{opacity:.5}.bit-legend{display:flex;gap:20px;margin-bottom:16px;font-size:12px}.bit-legend-item{display:flex;align-items:center;gap:6px}.bit-legend-swatch{width:12px;height:12px;border-radius:3px}.fp-breakdown{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:13px}.fp-breakdown dt{color:var(--text-dim)}.fp-breakdown dd{color:var(--text);font-weight:600}.fp-special{margin-top:12px;padding:8px 12px;border-radius:6px;background:color-mix(in srgb,var(--sign-color) 10%,var(--bg));color:var(--sign-color);font-size:12px}.hex-drop-zone{padding:48px;border:2px dashed var(--border);border-radius:12px;text-align:center;cursor:pointer;transition:all .15s ease;color:var(--text-dim)}.hex-drop-zone:hover,.hex-drop-zone.dragover{border-color:var(--accent);color:var(--accent)}.hex-table{font-size:12px;line-height:1.8;white-space:pre}.hex-offset{color:var(--text-dim);-webkit-user-select:none;user-select:none}.hex-byte{cursor:pointer;padding:1px 2px;border-radius:2px}.hex-byte:hover{background:var(--accent);color:var(--bg)}.hex-ascii{color:var(--text-dim);margin-left:16px}.hex-stats{display:flex;gap:24px;margin-bottom:16px;font-size:12px;color:var(--text-dim)}.alloc-controls{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.alloc-btn{padding:8px 16px;background:var(--surface-hover);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:12px;cursor:pointer;transition:all .15s ease}.alloc-btn:hover{border-color:var(--accent);color:var(--accent)}.alloc-canvas{width:100%;height:200px;border-radius:8px;cursor:crosshair}.alloc-stats{display:flex;gap:24px;margin-top:12px;font-size:12px;color:var(--text-dim)}#learn-section{border-top:1px solid var(--border);padding-top:16px;display:flex;flex-direction:column;gap:4px}.learn-heading{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-dim);margin-bottom:4px}.learn-group{border-radius:8px;overflow:hidden}.learn-group summary{padding:8px 12px;font-size:12px;font-weight:600;color:var(--text);cursor:pointer;border-radius:8px;transition:background .12s ease;list-style:none}.learn-group summary::-webkit-details-marker{display:none}.learn-group summary:before{content:"▸";display:inline-block;margin-right:8px;font-size:10px;color:var(--text-dim);transition:transform .15s ease}.learn-group[open] summary:before{transform:rotate(90deg)}.learn-group summary:hover{background:var(--surface-hover)}.learn-group p{padding:0 12px 8px;font-size:11px;color:var(--text-dim);line-height:1.6}.learn-links{display:flex;flex-direction:column;gap:2px}.learn-links a{display:block;padding:7px 12px;font-size:11px;color:var(--accent);text-decoration:none;border-radius:6px;transition:background .12s ease}.learn-links a:hover{background:var(--surface-hover);text-decoration:underline}


.exploration-site-header{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border,#222233);background:var(--surface,#13131a);padding:8px 16px;z-index:100}
.exploration-site-name{color:var(--text,#d8d8e0);font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap}
.exploration-site-name:hover{text-decoration:underline}
.exploration-site-nav{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.exploration-site-nav a{color:var(--text-dim,#999);text-decoration:none;font-size:12px}
.exploration-site-nav a:hover,.exploration-site-nav a:focus-visible{color:var(--text,#d8d8e0);text-decoration:underline}
html,body{min-height:100%}
body{display:flex;flex-direction:column;min-height:100vh;min-height:100svh;min-height:100dvh}
#app{flex:1 0 auto;min-height:0}
@media (max-width:720px){.exploration-site-header{flex-wrap:wrap;padding:8px 12px}.exploration-site-nav{gap:6px 10px}}
@media (max-width:768px){html,body{overflow:auto}#app{flex-direction:column}#sidebar{width:100%;min-width:0;max-height:40vh;border-right:none;border-bottom:1px solid var(--border,#222233);overflow-y:auto}#viewport{min-height:50vh}}