:root{--bg-color:#121212;--surface-color:#1e1e1e;--text-main:#f3f4f6;--text-muted:#9ca3af;--accent-color:#3b82f6;--accent-hover:#2563eb;--border-color:#374151}.light-mode{--bg-color:#f9fafb;--surface-color:#fff;--text-main:#111827;--text-muted:#6b7280;--border-color:#e5e7eb}body{background-color:var(--bg-color);color:var(--text-main);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;transition:background-color .3s,color .3s}.app-container{flex-direction:column;min-height:100vh;display:flex}.top-nav{background-color:var(--surface-color);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.main-content{flex-grow:1;padding:2rem}.btn{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-weight:700;transition:background-color .2s}.btn:hover{background-color:var(--accent-hover)}.btn-icon{color:var(--text-main);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;display:flex}.grid-container{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:1.5rem;display:grid}.kachel{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;transition:transform .2s;box-shadow:0 4px 6px #0000000d}.kachel:hover{transform:translateY(-2px)}.kachel h3{color:var(--accent-color);border-bottom:1px solid var(--border-color);margin-top:0;padding-bottom:.5rem}.table-container{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;margin-top:1.5rem;overflow-x:auto}.data-table{border-collapse:collapse;width:100%}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem}.data-table th{color:var(--text-muted);background-color:#0000001a;font-weight:600}.light-mode .data-table th{background-color:#00000008}.login-box{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;gap:1rem;max-width:400px;margin:4rem auto;padding:2rem;display:flex}.login-box input{border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-main);border-radius:6px;padding:.75rem}.toolbar{flex-wrap:wrap;align-items:center;gap:1rem;margin-top:1rem;display:flex}.search-wrapper{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;flex-grow:1;align-items:center;padding:.5rem 1rem;display:flex}.search-input{color:var(--text-main);background:0 0;border:none;outline:none;width:100%;margin-left:.5rem;font-family:inherit}.kachel.pinned{border:2px solid var(--accent-color);background-color:#3b82f60d}.kachel-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:flex-start;margin-bottom:.5rem;padding-bottom:.5rem;display:flex}.action-buttons{gap:8px;display:flex}.icon-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:4px;padding:4px;transition:all .2s}.icon-btn:hover{background-color:var(--border-color);color:var(--text-main)}.icon-btn.active-pin{color:var(--accent-color)}.icon-btn.delete:hover{color:#ef4444}.notes-area{border-top:1px dashed var(--border-color);margin-top:1rem;padding-top:1rem}.note-input{background-color:var(--bg-color);width:100%;min-height:80px;color:var(--text-main);border:1px solid var(--border-color);resize:vertical;border-radius:6px;margin-bottom:.5rem;padding:.5rem;font-family:inherit}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;width:90%;max-width:850px;max-height:90vh;padding:2rem;position:relative;overflow-y:auto}.close-btn{position:absolute;top:1rem;right:1rem}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1rem;display:flex}.form-group input{border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-main);border-radius:6px;padding:.75rem}.dynamic-row{gap:.5rem;margin-bottom:.5rem;display:flex}.fab-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:right .3s,transform .2s;display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 4px 12px #3b82f666}.fab-btn:hover{transform:scale(1.1)}.task-item{cursor:pointer;align-items:center;gap:.5rem;padding:4px 0;display:flex}.task-item.done{color:var(--text-muted);text-decoration:line-through}.sample-group{border-top:2px solid var(--border-color);margin-top:2rem;padding-top:1rem}.sample-header{color:var(--accent-color);align-items:center;gap:.5rem;margin-bottom:1rem;display:flex}.app-body{height:calc(100vh - 70px);display:flex;overflow:hidden}.main-scroll-area{flex:1;padding:2rem;overflow-y:auto}.right-sidebar{background-color:var(--surface-color);border-left:1px solid var(--border-color);flex-direction:column;width:320px;transition:width .3s;display:flex;overflow:hidden}.sidebar-section{border-bottom:1px solid var(--border-color);flex-direction:column;padding:1rem;display:flex}.sidebar-scroll{flex:1;overflow-y:auto}.project-tabs{border-bottom:1px solid var(--border-color);gap:.5rem;margin-bottom:1.5rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.tab-btn{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:6px;padding:.5rem 1rem}.tab-btn.active{color:var(--accent-color);background-color:#3b82f61a;font-weight:700}.idea-box{background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:6px;margin-bottom:.5rem;padding:.75rem;font-size:.9rem;position:relative}.delete-idea-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;position:absolute;top:4px;right:4px}.delete-idea-btn:hover{color:#ef4444}.user-tag{background-color:var(--surface-color);border:1px solid var(--border-color);color:var(--text-muted);border-radius:12px;align-items:center;gap:4px;padding:2px 6px;font-size:.75rem;display:inline-flex}.project-card{border:1px solid var(--border-color);background-color:var(--bg-color);border-radius:8px;margin-bottom:1rem;padding:1rem}*{scrollbar-width:thin;scrollbar-color:var(--text-muted) var(--bg-color)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-color);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.avatar-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;margin-left:10px;font-weight:700;display:flex}.profile-dropdown{background-color:var(--surface-color);border:1px solid var(--border-color);z-index:1000;border-radius:8px;flex-direction:column;width:250px;display:flex;position:absolute;top:60px;right:20px;overflow:hidden;box-shadow:0 4px 12px #0003}.dropdown-header{border-bottom:1px solid var(--border-color);background-color:#3b82f60d;padding:1rem}.dropdown-item{color:var(--text-main);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:.75rem 1rem;transition:background .2s;display:flex}.dropdown-item:hover{background-color:var(--bg-color)}.dropdown-item.logout{color:#ef4444;border-top:1px solid var(--border-color)}.tooltip-container{display:inline-block;position:relative}.tooltip-container .tooltip-text{visibility:hidden;background-color:var(--surface-color);width:max-content;max-width:250px;color:var(--text-main);text-align:left;border:1px solid var(--border-color);z-index:10;opacity:0;white-space:pre-wrap;border-radius:6px;padding:8px;font-size:.8rem;transition:opacity .3s;position:absolute;bottom:125%;left:50%;transform:translate(-50%);box-shadow:0 2px 8px #0003}.tooltip-container:hover .tooltip-text{visibility:visible;opacity:1}.project-header-bar{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:flex-end;margin-bottom:1.5rem;padding-bottom:.5rem;display:flex}