:root{--bg:#0f172a;--bg-board:#1e293b;--bg-card:#334155;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#475569;--primary:#6366f1;--primary-hover:#4f46e5;--danger:#ef4444;--danger-bg:#ef44441a;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text-main);height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;overflow:hidden}#root{flex-direction:column;height:100vh;display:flex}.header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);background-color:#0f172acc;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.header h1{background:linear-gradient(90deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.board-container{flex:1;align-items:flex-start;gap:1.5rem;padding:1.5rem;display:flex;overflow:auto hidden}.list-column{background-color:var(--bg-board);border-radius:.5rem;flex-direction:column;width:320px;min-width:320px;max-height:100%;display:flex;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.list-header{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:1rem;font-weight:600;display:flex}.cards-container{flex-direction:column;gap:.75rem;padding:1rem;display:flex;overflow-y:auto}.card{background-color:var(--bg-card);cursor:pointer;border:1px solid #0000;border-radius:.5rem;padding:1rem;transition:all .2s;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.card:hover{border-color:var(--primary);transform:translateY(-2px)}.card.overdue{border-left:4px solid var(--danger)}.card-title{margin-bottom:.5rem;font-weight:500}.card-tags{flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;display:flex}.tag{color:#fff;border-radius:1rem;padding:.2rem .5rem;font-size:.7rem;font-weight:600}.card-footer{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:.8rem;display:flex}.member-avatar{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.7rem;font-weight:600;display:flex}.btn{background-color:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:.375rem;padding:.5rem 1rem;font-weight:500;transition:background-color .2s}.btn:hover{background-color:var(--primary-hover)}.btn-sm{padding:.25rem .5rem;font-size:.8rem}.btn-ghost{color:var(--text-muted);background:0 0}.btn-ghost:hover{color:#fff;background:#ffffff1a}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-board);border:1px solid var(--border);border-radius:.75rem;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.modal-body{flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-group label{color:var(--text-muted);font-size:.875rem;font-weight:500}input,textarea,select{border:1px solid var(--border);color:#fff;background-color:#0003;border-radius:.375rem;outline:none;padding:.75rem;font-family:inherit;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--primary)}.add-card-btn{color:var(--text-muted);cursor:pointer;border-radius:.375rem;align-items:center;gap:.5rem;margin:0 1rem 1rem;padding:.5rem;transition:all .2s;display:flex}.add-card-btn:hover{color:#fff;background-color:#ffffff0d}.boards-list{max-width:1000px;margin:0 auto;padding:2rem}.board-card{background-color:var(--bg-board);cursor:pointer;border:1px solid var(--border);border-radius:.5rem;margin-bottom:1rem;padding:1.5rem;transition:transform .2s,border-color .2s}.board-card:hover{border-color:var(--primary);transform:translateY(-2px)}