*,*:before,*:after{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px}#root{width:100%}:root{--bg-primary: #0f0f12;--bg-secondary: #1a1a21;--bg-tertiary: #24242e;--bg-card: #1e1e28;--bg-hover: #2a2a38;--text-primary: #f0f0f5;--text-secondary: #a0a0b0;--text-muted: #6b6b80;--border-color: #2a2a38;--border-light: #3a3a4a;--accent-blue: #3b82f6;--accent-blue-hover: #2563eb;--accent-orange: #f59e0b;--accent-green: #10b981;--accent-red: #ef4444;--accent-purple: #8b5cf6;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--transition: all .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh}#root{min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.license-banner{background:linear-gradient(135deg,var(--accent-orange),#d97706);color:#fff;text-align:center;padding:12px;font-weight:600}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:16px 24px;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{max-width:1600px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:12px}.logo h1{font-size:22px;font-weight:700;background:linear-gradient(135deg,var(--text-primary),var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stats{display:flex;gap:32px}.stat{display:flex;flex-direction:column;align-items:center}.stat-value{font-size:24px;font-weight:700;color:var(--text-primary)}.stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.stat.overdue .stat-value{color:var(--accent-red)}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--accent-blue);color:#fff;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-primary:hover{background:var(--accent-blue-hover);transform:translateY(-1px)}.btn-icon{font-size:18px;line-height:1}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-light)}.main{flex:1;padding:24px;overflow-x:auto}.board{display:flex;gap:20px;max-width:1600px;margin:0 auto;min-height:calc(100vh - 140px)}.column{flex:1;min-width:280px;max-width:360px;background:var(--bg-secondary);border-radius:var(--radius-lg);display:flex;flex-direction:column;border:1px solid var(--border-color);transition:var(--transition)}.column.drop-target{border-color:var(--accent-blue);box-shadow:0 0 0 2px #3b82f633}.column-header{padding:16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border-color)}.column-indicator{width:4px;height:20px;border-radius:2px}.column-title{font-size:14px;font-weight:600;color:var(--text-primary);flex:1}.column-count{background:var(--bg-tertiary);color:var(--text-secondary);font-size:12px;font-weight:600;padding:4px 10px;border-radius:12px}.column-tasks{flex:1;padding:12px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;min-height:200px}.task-card{background:var(--bg-card);border-radius:var(--radius-md);padding:14px;cursor:grab;border:1px solid var(--border-color);transition:var(--transition)}.task-card:hover{border-color:var(--border-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.task-card.completed{opacity:.6}.task-card.completed .task-title{text-decoration:line-through;color:var(--text-muted)}.task-card.overdue{border-left:3px solid var(--accent-red)}.task-card.dragging{box-shadow:var(--shadow-lg);cursor:grabbing;transform:rotate(3deg)}.task-header{display:flex;align-items:flex-start;gap:10px}.task-checkbox{width:18px;height:18px;margin-top:2px;accent-color:var(--accent-green);cursor:pointer;flex-shrink:0}.task-title{flex:1;font-size:14px;font-weight:500;color:var(--text-primary);word-break:break-word}.task-delete{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:0 4px;line-height:1;opacity:0;transition:var(--transition)}.task-card:hover .task-delete{opacity:1}.task-delete:hover{color:var(--accent-red)}.task-description{margin-top:8px;padding-left:28px;font-size:13px;color:var(--text-secondary);line-height:1.4}.task-meta{margin-top:12px;padding-left:28px;display:flex;gap:8px;flex-wrap:wrap}.task-priority{font-size:11px;font-weight:600;color:#fff;padding:3px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.3px}.task-due{font-size:12px;color:var(--text-secondary);display:flex;align-items:center;gap:4px}.task-due.overdue{color:var(--accent-red);font-weight:500}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-secondary);border-radius:var(--radius-lg);width:100%;max-width:480px;margin:16px;border:1px solid var(--border-color);box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-color)}.modal-header h2{font-size:18px;font-weight:600}.modal-close{background:none;border:none;color:var(--text-muted);font-size:24px;cursor:pointer;padding:0;line-height:1}.modal-close:hover{color:var(--text-primary)}.modal-form{padding:24px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 14px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;transition:var(--transition)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #3b82f626}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.form-group textarea{resize:vertical;min-height:80px}.form-group select{cursor:pointer}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.modal-actions{display:flex;justify-content:flex-end;gap:12px;padding-top:8px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}@media(max-width:768px){.header-content{flex-wrap:wrap;justify-content:center}.stats{order:3;width:100%;justify-content:center;margin-top:12px}.board{padding-bottom:24px}.column{min-width:260px}}