:root{--bg: #0d1117;--panel: rgba(22, 27, 34, .9);--border: rgba(48, 54, 61, .7);--text: #c9d1d9;--muted: #8b949e;--accent: #58a6ff;--accent2: #bf5af2;--green: #3fb950;--red: #ff4d4d}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,sans-serif}body{background:radial-gradient(circle at 15% 15%,#141c26,#0d1117 60%);color:var(--text);min-height:100vh;padding:1.5rem}.app{max-width:1400px;margin:0 auto}header{text-align:center;margin-bottom:1.8rem}h1{font-size:2.4rem;font-weight:800;color:#fff;letter-spacing:-1px}h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}header p{color:var(--muted);font-size:.95rem;margin-top:.3rem}.layout{display:grid;grid-template-columns:380px 1fr;gap:1.5rem;align-items:start}.left-col,.right-col{display:flex;flex-direction:column;gap:1.5rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:1.3rem 1.5rem;box-shadow:0 8px 32px #0006;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}h2{font-size:1rem;color:#fff;margin-bottom:1rem;font-weight:600;display:flex;align-items:center;gap:.5rem}h2 .sub{font-size:.78rem;color:var(--muted);font-weight:400}.file-list{list-style:none;margin-bottom:1.2rem;display:flex;flex-direction:column;gap:.5rem}.file-list li{display:flex;align-items:center;gap:.6rem;font-size:.82rem}.tag{font-size:.7rem;font-weight:700;padding:.15rem .5rem;border-radius:4px;min-width:38px;text-align:center;letter-spacing:.5px}.tag.dwi{background:#1a3a5c;color:#58a6ff}.tag.adc{background:#1a3c1a;color:#3fb950}.tag.ttp{background:#3c2a1a;color:#ffa657}.tag.hp{background:#3c1a2c;color:#bf5af2}.fname{color:var(--muted);font-family:Courier New,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn{display:block;width:100%;padding:.7rem 1rem;font-size:.95rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .2s}.btn+.btn{margin-top:.6rem}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:#3182ce}.btn.primary:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#161b22;color:var(--text);border:1px solid var(--border)}.btn.secondary:hover{background:#21262d}.hidden{display:none!important}.terminal{background:#010409;border:1px solid var(--border);border-radius:8px;padding:.8rem 1rem;font-family:Courier New,monospace;font-size:.8rem;color:var(--green);height:200px;overflow-y:auto;line-height:1.5}.terminal .err{color:var(--red)}.progress-wrap{margin-top:.8rem;height:5px;background:var(--border);border-radius:3px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));width:0%;transition:width .3s ease}.niivue-placeholder,.slice-placeholder{height:120px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem;border:1px dashed var(--border);border-radius:8px}#niivueCard{display:flex;flex-direction:column}#gl1{flex:1;width:100%;height:560px;border-radius:8px;background:#000}.slice-controls{display:flex;align-items:center;gap:1rem;margin-bottom:.8rem;font-size:.85rem}.slice-controls input[type=range]{flex:1;accent-color:var(--accent)}.slice-controls label{white-space:nowrap;color:var(--muted)}.slice-controls strong{color:var(--text)}.slice-canvas{width:100%;border-radius:8px;background:#000;display:block;image-rendering:pixelated}