:root{--text: #374151;--main-bg: #0f172a;--primary-bg: #f1f5f9;--card-bg: #e2e8f0;--input-bg: #ffffff;--border-color: #cbd5e1;--font-c: #ffffff;--btn-clr: #2563eb;--status-todo: #60a5fa;--status-progress: #fbbf24;--status-done: #34d399;--status-completion: #a78bfa}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--main-bg);color:var(--text)}button,input,textarea,select{font:inherit}.App{width:100%;max-width:1200px;min-height:100vh;margin:0 auto;padding:1rem;display:flex;flex-direction:column;background-color:var(--main-bg)}.board-wrapper{width:100%}.task-form{width:80%;display:flex;flex-direction:column;justify-content:center;margin:0 auto;border:1px solid var(--border-color);border-radius:12px;gap:1.25rem;padding:2rem;background-color:var(--primary-bg);box-shadow:0 8px 24px #0000001f}.task-form input,.task-form textarea,.task-form select{width:100%;padding:.85rem 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#475569}.task-form input::placeholder,.task-form textarea::placeholder{color:#94a3b8}.task-form label{color:#e2e8f0}.upload-file-wrapper input[type=file]{background-color:#0f172a;color:#cbd5e1;border:1px dashed #475569}.upload-file-wrapper input[type=file]::file-selector-button{background-color:#334155;color:#f8fafc}.task-form button{background-color:#2563eb;color:#fff;border-radius:8px;cursor:pointer}.task-form button:hover{background-color:#1d4ed8}.chart-container{margin:1.5rem 0}.chart-container h3{margin:0 0 .75rem;color:#f8fafc;font-size:1rem;font-weight:600}.task-progress-chart{width:100%;height:220px;display:flex;align-items:center;justify-content:center;background:#1e293b;border:1px solid #334155;border-radius:12px;overflow:hidden}.empty-chart{display:flex;justify-content:center;align-items:center;min-height:140px;margin:0;background:#1e293b;border:1px solid #334155;border-radius:12px;color:#94a3b8;font-size:.875rem}.task-progress-chart{flex-direction:column;height:auto;min-height:250px;padding:.75rem}.chart-legend{display:flex;justify-content:center;flex-wrap:wrap;gap:1.25rem;padding-bottom:.5rem}.legend-item{display:flex;align-items:center;gap:.5rem;color:#cbd5e1;font-size:.8rem}.legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.project-insight{margin-top:1.5rem;padding:1rem;background:#0f172a;border:1px solid #334155;border-radius:10px}.project-insight h5{margin:0 0 .5rem;color:#f8fafc;font-size:.875rem}.project-insight p{margin:0;color:#94a3b8;font-size:.8rem;line-height:1.5}.chart-main{display:grid;grid-template-columns:1fr 1fr;gap:2rem;width:100%;align-items:center}.chart-visual{width:100%;min-width:0;height:220px}.chart-insights{width:100%;min-width:0;padding:1rem}.chart-insights h4{margin:0 0 1.25rem;color:#f8fafc;font-size:1rem}@media (max-width: 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#475569}.task-actions{margin-top:1rem;padding-top:.75rem;border-top:1px solid #475569}.task-attachment{margin-top:1rem}.attachment-label{display:block;margin-bottom:.5rem;color:#94a3b8;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.task-card .attachment-preview{width:120px;max-width:100%;height:auto;border:1px solid #64748b;border-radius:8px}.pdf-attachment{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:#1e293b;border:1px solid #475569;border-radius:8px}.pdf-filename{color:#cbd5e1;font-size:.8rem;overflow-wrap:anywhere;min-width:0}.progress-wrapper{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;padding:0;margin:1.5rem 0;background:transparent;border:none}.progress-wrapper p{margin:0;padding:1rem;font-size:.95rem;font-weight:600;text-align:center;border:1px solid #334155;border-radius:10px}.progress-wrapper .to-do-bg{background:#292819;color:#fcd34d}.progress-wrapper .in-progress-bg{background:#172c46;color:#93c5fd}.progress-wrapper .done-bg{background:#15382e;color:#6ee7b7}.progress-wrapper .completion-bg{background:#302448;color:#d8b4fe}@media (max-width: 768px){.progress-wrapper{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.progress-wrapper p{font-size:.8rem;padding:.85rem .4rem;line-height:1.5}}.task-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:1rem;padding:0;background:transparent}.column-wrapper{min-width:0;min-height:220px;background:#1e293b;border:1px solid #334155;border-radius:12px;overflow:hidden}.column-wrapper h3{margin:0;padding:1rem;font-size:1rem;font-weight:600;text-align:center}.column-wrapper.todo h3{background:#292819;color:#fcd34d}.column-wrapper.inprogress h3{background:#172c46;color:#93c5fd}.column-wrapper.done h3{background:#15382e;color:#6ee7b7}.column-wrapper ul{min-height:150px;margin:0;padding:.5rem;background:transparent}.column-wrapper.drag-over{background:#334155;border-color:#60a5fa}@media (min-width: 601px) and (max-width: 1024px){.task-columns{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 600px){.task-columns{grid-template-columns:1fr}}.to-do-bg{border-top:3px solid var(--status-todo);color:var(--status-todo)}.in-progress-bg{border-top:3px solid var(--status-progress);color:var(--status-progress)}.done-bg{border-top:3px solid var(--status-done);color:var(--status-done)}.completion-bg{border-top:3px solid var(--status-completion);color:var(--status-completion)}.progress-wrapper .to-do-bg,.progress-wrapper .in-progress-bg,.progress-wrapper .done-bg,.progress-wrapper .completion-bg{background-color:#1e293b}.progress-wrapper .to-do-bg{background:#1e293b;border-top:4px solid var(--status-todo);color:var(--status-todo)}.progress-wrapper .in-progress-bg{background:#1e293b;border-top:4px solid 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#334155;border-radius:12px;color:#f8fafc}.app-brand{display:flex;align-items:center;gap:.75rem;font-size:1.35rem;font-weight:700}.brand-icon{font-size:1.6rem;color:#60a5fa}.header-subtitle{font-size:.875rem;color:#94a3b8}@media (max-width: 600px){.app-header{padding:.875rem 1rem}.header-subtitle{display:none}}.app-footer{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.5rem;margin-top:2rem;border-top:1px solid #334155;color:#94a3b8;font-size:.8rem}.app-footer p{margin:0}@media (max-width: 600px){.app-footer{flex-direction:column;text-align:center;gap:.5rem}}