:root{--bg: #0c0c0c;--panel: #161616;--border: #2a2a2a;--text: #f5f5f5;--muted: #a0a0a0;--red: #ff5252;--red-hover: #ff3838;--linkedin: #0a66c2;--linkedin-hover: #004182;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:1100px;margin:0 auto;padding:2.5rem 1.5rem}header h1{margin:0;font-size:2rem;color:var(--red)}header p{margin:.25rem 0 0;color:var(--muted)}.layout{margin-top:2rem;display:grid;grid-template-columns:320px 1fr;gap:2rem;align-items:start}@media (max-width: 760px){.layout{grid-template-columns:1fr}}.sidebar{display:flex;flex-direction:column;gap:1rem}.controls{display:flex;flex-direction:column;gap:1rem;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.field{display:flex;flex-direction:column;gap:.4rem;font-size:.85rem;color:var(--muted)}.field input,.field select{background:#0e0e0e;border:1px solid var(--border);border-radius:8px;padding:.6rem .7rem;color:var(--text);font-size:.95rem}.field input:focus,.field select:focus{outline:none;border-color:var(--red)}.stage{display:flex;flex-direction:column;gap:1rem}.player{border-radius:12px;overflow:hidden;border:1px solid var(--border);background:#000}.panel{display:flex;flex-direction:column;gap:.75rem;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.btn-panel{width:100%;min-height:44px;padding:.8rem 1rem;border:1px solid transparent;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn-panel:disabled{opacity:.55;cursor:not-allowed}.btn-red{background:var(--red);color:#fff}.btn-red:hover:not(:disabled){background:var(--red-hover)}.btn-linkedin{background:var(--linkedin);color:#fff}.btn-linkedin:hover:not(:disabled){background:var(--linkedin-hover)}.btn-white{background:#fff;color:#0c0c0c;border-color:#d0d0d0}.btn-white:hover:not(:disabled){background:#ececec}.hint{margin:0;font-size:.8rem;color:var(--muted)}.share-hint{margin:-.25rem 0 0;font-size:.78rem;line-height:1.35;color:var(--muted)}.site-footer{margin-top:2.5rem;text-align:center;font-size:.9rem;color:var(--muted)}.site-footer a{color:var(--red);text-decoration:none;font-weight:600}.site-footer a:hover{text-decoration:underline}