*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --i50:#eef2ff;--i100:#e0e7ff;--i500:#6366f1;--i600:#4f46e5;--i700:#4338ca;
  --g50:#f9fafb;--g100:#f3f4f6;--g200:#e5e7eb;--g300:#d1d5db;--g400:#9ca3af;
  --g500:#6b7280;--g600:#4b5563;--g700:#374151;--g800:#1f2937;
  --r100:#fee2e2;--r600:#dc2626;
  --pl:#059669;--pm:#d97706;--ph:#dc2626;
  --rsm:6px;--r:10px;--rlg:16px;
  --ssm:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
  --sh:0 4px 12px rgba(0,0,0,.08),0 2px 4px rgba(0,0,0,.04);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
html{font-size:16px}
body{font-family:var(--font);background:var(--g50);color:var(--g800);line-height:1.55;min-height:100vh}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hidden{display:none!important}
.container{width:100%;max-width:780px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:1px solid var(--g200);position:sticky;top:0;z-index:10;box-shadow:var(--ssm)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.logo{font-size:1.35rem;font-weight:700;letter-spacing:-.5px;color:var(--i600)}
.counts{display:flex;gap:8px;flex-wrap:wrap}
.count-chip{font-size:.8rem;padding:3px 10px;border-radius:999px;background:var(--g100);color:var(--g600);display:flex;align-items:center;gap:4px}
.count-chip strong{color:var(--g800);font-weight:700}
.count-chip.active{background:var(--i50);color:var(--i600)}
.count-chip.active strong{color:var(--i600)}
.count-chip.done{background:#ecfdf5;color:#065f46}
.count-chip.done strong{color:#065f46}
.card{background:#fff;border:1px solid var(--g200);border-radius:var(--rlg);padding:24px;box-shadow:var(--ssm)}
.create-section{margin-top:28px}
.filters-section{margin-top:20px}
.section-title{font-size:.875rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--g400);margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:5px;flex:1}
.field+.field{margin-top:14px}
.field label{font-size:.85rem;font-weight:600;color:var(--g600)}
.field-row{display:flex;gap:14px;margin-top:14px}
.field-row .field+.field{margin-top:0}
input[type="text"],input[type="search"],input[type="date"],textarea,select{width:100%;padding:9px 12px;border:1.5px solid var(--g300);border-radius:var(--rsm);font:inherit;font-size:.9rem;color:var(--g800);background:#fff;transition:border-color .15s,box-shadow .15s;appearance:none;-webkit-appearance:none}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}
textarea{resize:vertical;min-height:58px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--i500);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
button:focus-visible{outline:3px solid var(--i500);outline-offset:2px}
input:focus-visible,textarea:focus-visible,select:focus-visible{border-color:var(--i500);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.field-error{font-size:.8rem;color:var(--r600);min-height:1rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 20px;border-radius:var(--rsm);font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}
.btn-primary{background:var(--i600);color:#fff;border-color:var(--i600)}
.btn-primary:hover{background:var(--i700);border-color:var(--i700)}
.btn-ghost{background:transparent;color:var(--g600);border-color:var(--g300)}
.btn-ghost:hover{background:var(--g100)}
.btn-icon{padding:6px 8px;background:transparent;border-color:transparent;color:var(--g400)}
.btn-icon:hover{color:var(--g700);background:var(--g100)}
.btn-danger{color:var(--r600)}
.btn-danger:hover{background:var(--r100);color:var(--r600)}
#create-form .btn-primary{margin-top:18px;width:100%}
.filters-bar{background:#fff;border:1px solid var(--g200);border-radius:var(--rlg);padding:14px 18px;display:flex;gap:12px;flex-wrap:wrap;align-items:center;box-shadow:var(--ssm)}
.search-wrap{flex:1;min-width:160px}
.search-wrap input{margin:0}
.filter-selects{display:flex;gap:10px;flex-wrap:wrap}
.filter-selects select{min-width:120px}
.task-list{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:8px}
.task-item{background:#fff;border:1.5px solid var(--g200);border-radius:var(--r);padding:14px 16px;display:flex;align-items:flex-start;gap:12px;box-shadow:var(--ssm);transition:border-color .15s,box-shadow .15s}
.task-item:hover{border-color:var(--g300);box-shadow:var(--sh)}
.task-item.completed{background:var(--g50)}
.task-item.completed .task-title-text{text-decoration:line-through;color:var(--g400)}
.task-item.completed .task-notes-text{color:var(--g400)}
.task-item[data-priority="high"]{border-left:4px solid var(--ph)}
.task-item[data-priority="medium"]{border-left:4px solid var(--pm)}
.task-item[data-priority="low"]{border-left:4px solid var(--pl)}
.task-toggle{width:18px;height:18px;flex-shrink:0;margin-top:2px;accent-color:var(--i600);cursor:pointer}
.task-body{flex:1;min-width:0}
.task-title-text{font-size:.95rem;font-weight:600;color:var(--g800);word-break:break-word}
.task-notes-text{font-size:.82rem;color:var(--g500);margin-top:3px;white-space:pre-wrap;word-break:break-word}
.task-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:7px;align-items:center}
.badge{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}
.badge-low{background:#d1fae5;color:#065f46}
.badge-medium{background:#fef3c7;color:#92400e}
.badge-high{background:#fee2e2;color:#991b1b}
.due-text{font-size:.78rem;color:var(--g500)}
.due-text.overdue{color:var(--r600);font-weight:600}
.task-actions{display:flex;gap:2px;flex-shrink:0;align-items:flex-start}
.empty-state{text-align:center;padding:56px 24px;color:var(--g400)}
.empty-icon{font-size:3rem;margin-bottom:12px;color:var(--g300)}
.empty-title{font-size:1.05rem;font-weight:600;color:var(--g500);margin-bottom:6px}
.empty-sub{font-size:.875rem}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-box{background:#fff;border-radius:var(--rlg);padding:28px;width:100%;max-width:480px;box-shadow:0 20px 40px rgba(0,0,0,.15)}
.modal-actions{display:flex;gap:10px;margin-top:20px}
@media(max-width:520px){
  .card{padding:18px 16px}
  .modal-box{padding:20px 16px}
  .field-row{flex-direction:column;gap:0}
  .field-row .field+.field{margin-top:14px}
  .filter-selects{flex-direction:column;gap:8px}
  .filter-selects select{min-width:0;width:100%}
  .filters-bar{flex-direction:column;align-items:stretch}
  .search-wrap{min-width:0}
}
@media(min-width:1200px){.container{max-width:900px}}