*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#3B82F6;--primary-dim:rgba(59,130,246,.12);
  --secondary:#60A5FA;--accent:#F59E0B;--accent-dim:rgba(245,158,11,.12);
  --bg:#0A1020;--surface:#111827;--surface2:#1E293B;
  --border:rgba(59,130,246,.1);--text:#F1F5F9;--text-dim:#94A3B8;
  --radius:12px;--font:'Inter',system-ui,sans-serif;
  --transition:250ms ease;
  --label-red:#EF4444;--label-orange:#F59E0B;--label-blue:#3B82F6;--label-green:#22C55E;
}
html{font-size:16px}
body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh}
.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);background:rgba(10,16,32,.8);border-bottom:1px solid var(--border)}
.header-inner{max-width:1100px;margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.header-right{display:flex;gap:.3rem}
.logo{display:flex;align-items:center;gap:.5rem}
.logo-icon{font-size:1.25rem}
.logo h1{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn{display:inline-flex;align-items:center;gap:.3rem;padding:.4rem .75rem;border:none;border-radius:8px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:var(--font)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}
.btn-primary:hover{filter:brightness(1.15);transform:translateY(-1px)}
.btn-sm{background:var(--surface2);color:var(--text-dim);border:1px solid var(--border)}
.btn-sm:hover{border-color:var(--primary);color:var(--primary)}
.board{display:flex;gap:1rem;padding:1.5rem;max-width:1100px;margin:0 auto;overflow-x:auto;min-height:calc(100vh - 60px)}
.column{flex:0 0 300px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column}
.column-header{padding:.75rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.column-title{font-size:.85rem;font-weight:700;display:flex;align-items:center;gap:.3rem}
.column-count{background:var(--primary-dim);color:var(--primary);font-size:.65rem;font-weight:700;padding:.1rem .4rem;border-radius:99px}
.add-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:1.1rem;transition:color var(--transition)}
.add-btn:hover{color:var(--primary)}
.cards{flex:1;padding:.5rem;overflow-y:auto;min-height:60px}
.card{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem;margin-bottom:.4rem;cursor:grab;transition:all var(--transition);position:relative}
.card:hover{border-color:var(--primary);transform:translateY(-1px)}
.card.dragging{opacity:.4;transform:scale(.95)}
.card-label{width:100%;height:3px;border-radius:2px;margin-bottom:.3rem}
.card-title{font-size:.8rem;font-weight:600}
.card-desc{font-size:.7rem;color:var(--text-dim);margin-top:.2rem}
.card-delete{position:absolute;top:.3rem;right:.4rem;background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:.65rem;opacity:0;transition:opacity var(--transition)}
.card:hover .card-delete{opacity:1}
.drop-zone{min-height:4px;transition:min-height var(--transition)}
.drop-zone.active{min-height:40px;background:var(--primary-dim);border:2px dashed var(--primary);border-radius:8px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:999;display:flex;align-items:center;justify-content:center}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;max-width:360px;width:90%}
.form-group{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.6rem}
.form-group input,.form-group textarea,.form-group select{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.5rem;color:var(--text);font-family:var(--font);font-size:.8rem;outline:none;resize:vertical}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary)}
.ctrl-label{font-size:.65rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}
.section-title{font-size:.9rem;font-weight:700;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}
.section-title::before{content:'';width:4px;height:18px;background:linear-gradient(to bottom,var(--primary),var(--secondary));border-radius:2px}
.actions-row{display:flex;gap:.5rem}
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(100px);background:var(--surface2);color:var(--text);padding:.6rem 1.25rem;border-radius:var(--radius);font-size:.8rem;font-weight:500;border:1px solid var(--primary);box-shadow:0 8px 32px rgba(0,0,0,.4);transition:transform 300ms ease;z-index:9999;pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0)}
@media(max-width:700px){.board{padding:1rem;gap:.75rem}.column{flex:0 0 260px}}