:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#1c2230;--bg-hover:#21262d;--border:#30363d;--border-light:#21262d;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#484f58;--accent:#3b82f6;--accent-hover:#2563eb;--accent-dim:#1d4ed820;--success:#22c55e;--success-dim:#16a34a20;--warning:#f59e0b;--warning-dim:#d9770620;--danger:#ef4444;--danger-dim:#dc262620;--purple:#a855f7;--purple-dim:#9333ea20;--radius:8px;--radius-lg:12px;--shadow:0 4px 24px #0006;--shadow-sm:0 2px 8px #0000004d;--font:"Be Vietnam Pro", sans-serif;--font-mono:"JetBrains Mono", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}a{color:inherit;text-decoration:none}button{font-family:var(--font);cursor:pointer;border:none;outline:none;transition:all .15s}input,textarea,select{font-family:var(--font);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);outline:none;width:100%;padding:8px 12px;font-size:.9rem;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--accent)}input::placeholder,textarea::placeholder{color:var(--text-muted)}select option{background:var(--bg-secondary)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{min-height:100vh;display:flex}.main-content{flex-direction:column;flex:1;min-height:100vh;margin-left:240px;display:flex}.page-content{flex:1;max-width:1400px;padding:24px 28px}.btn{border-radius:var(--radius);white-space:nowrap;align-items:center;gap:6px;padding:8px 16px;font-size:.875rem;font-weight:500;transition:all 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var(--border);border-radius:var(--radius-lg);padding:20px}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-title{color:var(--text-primary);font-size:1.4rem;font-weight:700}.page-subtitle{color:var(--text-secondary);margin-top:2px;font-size:.85rem}.badge{letter-spacing:.02em;border-radius:20px;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-todo{background:var(--bg-hover);color:var(--text-secondary)}.badge-done{background:var(--success-dim);color:var(--success)}.badge-overdue{background:var(--danger-dim);color:var(--danger)}.badge-not_started{background:var(--bg-hover);color:var(--text-secondary)}.badge-in_progress{background:var(--accent-dim);color:var(--accent)}.badge-completed{background:var(--success-dim);color:var(--success)}.priority-urgent{color:var(--danger)}.priority-high{color:var(--warning)}.priority-medium{color:var(--accent)}.priority-low{color:var(--text-secondary)}.grid-2{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.table-wrapper{border-radius:var(--radius-lg);border:1px solid var(--border);overflow-x:auto}table{border-collapse:collapse;width:100%}thead th{background:var(--bg-secondary);text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);padding:12px 16px;font-size:.78rem;font-weight:600}tbody tr{border-bottom:1px solid var(--border-light);transition:background .1s}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--bg-hover)}tbody td{color:var(--text-primary);vertical-align:middle;padding:12px 16px;font-size:.875rem}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;animation:.2s modalIn;overflow-y:auto}@keyframes modalIn{0%{opacity:0;transform:translateY(-10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.modal-title{font-size:1rem;font-weight:700}.modal-body{padding:24px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:16px 24px;display:flex}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px;font-size:.82rem;font-weight:600;display:block}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.progress-bar{background:var(--bg-hover);border-radius:3px;height:6px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent), var(--purple));border-radius:3px;height:100%;transition:width .3s}.avatar{background:var(--accent-dim);border:2px solid var(--accent);width:32px;height:32px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.75rem;font-weight:700;display:flex;overflow:hidden}.avatar img{object-fit:cover;width:100%;height:100%}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{height:200px;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state svg{opacity:.3;margin-bottom:12px}.empty-state p{font-size:.9rem}.alert{border-radius:var(--radius);margin-bottom:16px;padding:12px 16px;font-size:.875rem}.alert-error{background:var(--danger-dim);color:var(--danger);border:1px solid #ef444430}.alert-success{background:var(--success-dim);color:var(--success);border:1px solid #22c55e30}.tag{font-size:.72rem;font-weight:600;font-family:var(--font-mono);border-radius:4px;padding:2px 8px;display:inline-block}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.25s fadeIn}@media (width<=768px){.main-content{margin-left:0}.grid-2,.grid-3,.grid-4,.form-row{grid-template-columns:1fr}.page-content{padding:16px}}