:root{--bg: #0f1115;--panel: #1a1d24;--border: #2a2f3a;--text: #e6e9ef;--muted: #99a2b3;--accent: #4c8dff;font-family:system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border)}.container{max-width:900px;margin:0 auto;padding:24px 20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:9px 14px;font-size:14px;cursor:pointer}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}input,textarea,select{width:100%;background:#12151b;border:1px solid var(--border);border-radius:8px;color:var(--text);padding:9px 10px;font-size:14px;margin-top:4px}label{display:block;margin-bottom:12px;font-size:13px;color:var(--muted)}.task-image{max-width:100%;border-radius:10px;border:1px solid var(--border)}.muted{color:var(--muted)}.row{display:flex;gap:10px;align-items:center}.error{color:#ff6b6b}a{color:var(--accent)}