:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a25;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--accent: #00d4ff;--border-color: #2a2a3a;--success: #4caf50;--error: #ef4444}[data-astro-cid-73swhiap]{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}header[data-astro-cid-73swhiap]{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:1rem 2rem;position:sticky;top:0;z-index:100}.header-content[data-astro-cid-73swhiap]{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo[data-astro-cid-73swhiap]{font-size:1.5rem;font-weight:700;color:var(--accent);text-decoration:none}nav[data-astro-cid-73swhiap] a[data-astro-cid-73swhiap]{color:var(--text-secondary);text-decoration:none;margin-left:2rem;transition:color .2s}nav[data-astro-cid-73swhiap] a[data-astro-cid-73swhiap]:hover{color:var(--accent)}main[data-astro-cid-73swhiap]{max-width:1200px;margin:0 auto;padding:2rem}.tool-header[data-astro-cid-73swhiap]{text-align:center;margin-bottom:2rem}.tool-header[data-astro-cid-73swhiap] h1[data-astro-cid-73swhiap]{font-size:2.5rem;margin-bottom:.5rem;background:linear-gradient(135deg,var(--accent),#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tool-header[data-astro-cid-73swhiap] p[data-astro-cid-73swhiap]{color:var(--text-secondary);font-size:1.1rem}.operation-selector[data-astro-cid-73swhiap]{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:2rem}.op-btn[data-astro-cid-73swhiap]{padding:.75rem 1.5rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);cursor:pointer;transition:all .2s;font-size:.9rem}.op-btn[data-astro-cid-73swhiap]:hover{border-color:var(--accent);color:var(--text-primary)}.op-btn[data-astro-cid-73swhiap].active{background:var(--accent);color:#000;border-color:var(--accent)}.matrices-container[data-astro-cid-73swhiap]{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:start;margin-bottom:2rem}@media (max-width: 900px){.matrices-container[data-astro-cid-73swhiap]{grid-template-columns:1fr}.operator-display[data-astro-cid-73swhiap]{display:none}}.matrix-section[data-astro-cid-73swhiap]{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.matrix-header[data-astro-cid-73swhiap]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.matrix-title[data-astro-cid-73swhiap]{font-size:1.1rem;color:var(--text-primary)}.size-controls[data-astro-cid-73swhiap]{display:flex;gap:.5rem;align-items:center}.size-controls[data-astro-cid-73swhiap] input[data-astro-cid-73swhiap]{width:50px;padding:.5rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:4px;color:var(--text-primary);text-align:center}.size-controls[data-astro-cid-73swhiap] span[data-astro-cid-73swhiap]{color:var(--text-secondary)}.matrix-grid[data-astro-cid-73swhiap]{display:grid;gap:4px;margin-bottom:1rem}.matrix-cell[data-astro-cid-73swhiap]{width:60px;height:40px;padding:.25rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:4px;color:var(--text-primary);text-align:center;font-family:monospace;font-size:.9rem}.matrix-cell[data-astro-cid-73swhiap]:focus{outline:none;border-color:var(--accent)}.operator-display[data-astro-cid-73swhiap]{display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--accent);padding:2rem 1rem}.matrix-actions[data-astro-cid-73swhiap]{display:flex;gap:.5rem;flex-wrap:wrap}.matrix-actions[data-astro-cid-73swhiap] button[data-astro-cid-73swhiap]{padding:.5rem .75rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:4px;color:var(--text-secondary);cursor:pointer;font-size:.8rem;transition:all .2s}.matrix-actions[data-astro-cid-73swhiap] button[data-astro-cid-73swhiap]:hover{border-color:var(--accent);color:var(--text-primary)}.calculate-section[data-astro-cid-73swhiap]{text-align:center;margin-bottom:2rem}.action-btn[data-astro-cid-73swhiap]{padding:1rem 3rem;background:linear-gradient(135deg,var(--accent),#a855f7);border:none;border-radius:8px;color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s}.action-btn[data-astro-cid-73swhiap]:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00d4ff4d}.result-section[data-astro-cid-73swhiap]{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.result-header[data-astro-cid-73swhiap]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.result-title[data-astro-cid-73swhiap]{font-size:1.2rem;color:var(--text-primary)}.result-display[data-astro-cid-73swhiap]{background:var(--bg-tertiary);border-radius:8px;padding:1.5rem;min-height:100px;display:flex;align-items:center;justify-content:center}.result-matrix[data-astro-cid-73swhiap]{display:grid;gap:4px}.result-cell[data-astro-cid-73swhiap]{width:70px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;font-family:monospace;font-size:.9rem;color:var(--accent)}.scalar-result[data-astro-cid-73swhiap]{font-size:2rem;font-weight:700;color:var(--accent);font-family:monospace}.error-message[data-astro-cid-73swhiap]{color:var(--error);font-size:1rem}.copy-btn[data-astro-cid-73swhiap]{padding:.5rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);cursor:pointer;transition:all .2s}.copy-btn[data-astro-cid-73swhiap]:hover{border-color:var(--accent);color:var(--text-primary)}.formula-info[data-astro-cid-73swhiap]{margin-top:1rem;padding:1rem;background:var(--bg-tertiary);border-radius:8px;font-size:.9rem;color:var(--text-secondary)}footer[data-astro-cid-73swhiap]{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:2rem;margin-top:4rem;text-align:center;color:var(--text-secondary)}footer[data-astro-cid-73swhiap] a[data-astro-cid-73swhiap]{color:var(--accent);text-decoration:none}footer[data-astro-cid-73swhiap] a[data-astro-cid-73swhiap]:hover{text-decoration:underline}