:root{
  --bg:#f4f7fb; --surface:#fff; --ink:#142033; --muted:#6b7280; --line:#e7eaf0;
  --brand:#2563eb; --brand-dark:#1d4ed8; --danger:#dc2626; --ok:#16a34a; --warn:#d97706;
  --shadow:0 18px 50px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Tahoma,Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#eef4ff,#f8fafc 55%,#eafaf3)}
.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow)}
.login-card h1{margin:10px 0 6px;font-size:30px}
.login-card p{color:var(--muted);margin-top:0}
.brand-mark{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:#0f172a;color:#fff;font-weight:800;font-size:20px}
label{display:grid;gap:8px;margin:15px 0;font-weight:700;font-size:14px}
input,textarea,select{width:100%;padding:13px 14px;border:1px solid #d9dee8;border-radius:13px;background:#fff;outline:none}
input:focus,textarea:focus,select:focus{border-color:#8bb2ff;box-shadow:0 0 0 3px #eaf1ff}
.primary{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:12px 17px;font-weight:800}
.primary:hover{background:var(--brand-dark)}
.full{width:100%}
.ghost{border:1px solid var(--line);background:#fff;border-radius:11px;padding:9px 13px}
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:18px max(20px,calc((100vw - 1180px)/2));background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.topbar h1{font-size:21px;margin:3px 0 0}
.eyebrow{font-size:10px;letter-spacing:3px;color:var(--brand);font-weight:900}
.top-actions{display:flex;align-items:center;gap:10px}.whoami{font-size:13px;color:var(--muted)}
main{max-width:1180px;margin:auto;padding:24px 20px 60px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px}
.stat .n{font-size:29px;font-weight:900;margin-top:7px}.stat .l{color:var(--muted);font-size:13px}
.toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;margin:22px 0 13px}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filter{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 14px}
.filter.active{background:#0f172a;color:#fff;border-color:#0f172a}
.filters select{width:auto;padding:9px 12px}
.team-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:15px}
.member{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;justify-content:space-between;gap:10px}
.member strong{display:block}.member small{color:var(--muted)}
.task-list{display:grid;gap:11px}
.empty{background:#fff;border:1px dashed #ccd3df;border-radius:20px;padding:45px;text-align:center;color:var(--muted)}
.task{background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;display:grid;grid-template-columns:1fr auto;gap:14px;box-shadow:0 4px 20px rgba(15,23,42,.025)}
.task:hover{border-color:#cbd5e1}
.task-title-row{display:flex;gap:9px;align-items:flex-start;flex-wrap:wrap}
.task h3{margin:0;font-size:17px}
.task p{margin:8px 0 10px;color:#526071;line-height:1.65;white-space:pre-line}
.meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.badge{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:800}
.priority-urgent{background:#fee2e2;color:#b91c1c}.priority-high{background:#fff1d6;color:#a15c00}
.priority-normal{background:#eaf1ff;color:#1d4ed8}.priority-low{background:#eef2f7;color:#64748b}
.status-todo{background:#eef2f7;color:#475569}.status-in_progress{background:#dbeafe;color:#1d4ed8}
.status-blocked{background:#ffedd5;color:#c2410c}.status-done{background:#dcfce7;color:#15803d}
.task-side{min-width:145px;display:flex;flex-direction:column;gap:8px}
.task-side select{padding:9px 10px;font-size:12px}
.open-detail{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px}
dialog{border:0;border-radius:22px;padding:0;width:min(640px,calc(100% - 24px));box-shadow:0 30px 100px rgba(15,23,42,.25)}
dialog::backdrop{background:rgba(15,23,42,.55);backdrop-filter:blur(2px)}
.modal-card{padding:22px;background:#fff}.modal-head{display:flex;justify-content:space-between;align-items:center;gap:15px}
.modal-head h2{margin:0}.icon-btn{border:0;background:#f1f5f9;width:38px;height:38px;border-radius:11px;font-size:25px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.detail-section{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}
.comment{background:#f8fafc;border-radius:13px;padding:11px;margin:8px 0}
.comment small{color:var(--muted)}
.comment-form{display:flex;gap:8px}.comment-form input{margin:0}.comment-form button{white-space:nowrap}
.attachment-list{display:flex;gap:8px;flex-wrap:wrap}
.attachment-list a{border:1px solid var(--line);border-radius:10px;padding:8px 10px;text-decoration:none;color:var(--brand)}
.upload-box{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}
.upload-box input{max-width:330px}
.toast{position:fixed;left:20px;bottom:20px;z-index:100;background:#0f172a;color:#fff;padding:12px 16px;border-radius:12px;opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:none}
@media(max-width:760px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .team-strip{grid-template-columns:1fr}
  .toolbar{align-items:stretch;flex-direction:column}
  .toolbar>.primary{width:100%}
  .task{grid-template-columns:1fr}
  .task-side{min-width:0;display:grid;grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
  .whoami{display:none}
}

.danger-btn{border:0;background:#fee2e2;color:#b91c1c;border-radius:12px;padding:12px 17px;font-weight:800}
.edit-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.account-info{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:14px;margin-top:14px}
@media(max-width:760px){
  .top-actions{gap:6px}
  .top-actions .ghost{padding:8px 10px;font-size:12px}
}