:root{
  --bg:#f3f4f6;
  --panel:#ffffff;
  --muted:#6b7280;
  --text:#111827;
  --border:#e5e7eb;
  --shadow:0 10px 30px rgba(17,24,39,.10);
  --shadow-sm:0 2px 10px rgba(17,24,39,.08);
  --radius:14px;
  --primary:#2563eb;
  --danger:#b91c1c;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial; color:var(--text); background:linear-gradient(135deg,#eef2ff 0%, #f3f4f6 40%, #ecfeff 100%)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh;overflow-x:hidden}
.sidebar{padding:18px;border-right:1px solid var(--border);background:rgba(255,255,255,.65);backdrop-filter:blur(8px)}
.brand{display:grid;gap:4px;margin-bottom:16px}
.brand-title{font-weight:800;font-size:18px}
.brand-subtitle{font-size:12px;color:var(--muted)}
.nav{display:grid;gap:8px}
.nav a,.nav .linklike{padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.8);text-align:left}
.nav .linklike{cursor:pointer;color:var(--text);font:inherit}
.nav a:hover,.nav .linklike:hover{background:#fff}
.main{display:flex;flex-direction:column;min-width:0}
.header{display:flex;justify-content:flex-end;align-items:center;padding:14px 18px;gap:10px}
.mobile-menu-btn{display:none;margin-right:auto}
.nav-mobile{display:none}
.nav-overlay{display:none}
.user-pill{padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.9)}
.page{padding:0 18px 24px;min-width:0}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.grid{display:grid;gap:14px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.h1{font-size:30px;font-weight:900;margin:6px 0 10px}
.muted{color:var(--muted)}
input,select,textarea{padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;font:inherit}
textarea{min-height:90px;resize:vertical}
.masked-password{-webkit-text-security:disc}
button{padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;font:inherit;cursor:pointer}
button.primary{background:var(--primary);border-color:var(--primary);color:#fff}
button.danger{background:#fff;border-color:#fecaca;color:var(--danger)}
button:disabled{opacity:.6;cursor:not-allowed}
.small{padding:8px 10px;border-radius:10px;font-size:13px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid #f3f4f6;text-align:left}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap table{min-width:720px}
.filters-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kanban-grid{display:flex;gap:16px;align-items:flex-start;width:100%;overflow-x:hidden;padding-bottom:10px}
.kanban-column{flex:1 1 0;min-width:0;background:#f9fafb;border:1px solid var(--border);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:10px}
.kanban-column-header{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.kanban-tasks{display:flex;flex-direction:column;gap:8px;min-height:40px}
.kanban-card{border-radius:10px;padding:8px 10px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);cursor:grab}
.kanban-card-title{font-weight:700}
.kanban-card-meta{font-size:12px;margin-top:4px}
.error{padding:10px;border:1px solid #fecaca;background:#fef2f2;color:#991b1b;border-radius:12px}
.login-shell{display:grid;place-items:center;min-height:100vh;padding:20px}
.login-card{width:min(860px, 100%);padding:0;overflow:hidden}
.login-grid{display:grid;grid-template-columns:1.1fr .9fr}
.login-hero{padding:22px 22px 22px 22px;background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(14,165,233,.08));border-right:1px solid var(--border)}
.login-hero h1{margin:0;font-size:34px;font-weight:950;letter-spacing:-.02em}
.login-hero p{margin:10px 0 0;color:var(--muted);line-height:1.4}
.login-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.badge{padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.75);font-size:12px;color:#374151}
.login-form{padding:22px}
.login-form h2{margin:0 0 10px;font-size:18px;font-weight:900}
.login-form .muted{margin:0 0 14px}
.login-form .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:10px}
.login-form button.primary{width:100%}
.login-form input{width:100%}
.login-divider{height:1px;background:var(--border);margin:14px 0}
@media (max-width: 760px){
  .shell{grid-template-columns:1fr}
  .sidebar{display:none}
  .header{justify-content:space-between;padding:12px 14px}
  .page{padding:0 14px 20px}
  .mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 10px;font-size:16px}
  .user-pill{max-width:70vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  .nav-overlay{display:block;position:fixed;inset:0;background:rgba(15,23,42,.35);opacity:0;pointer-events:none;transition:opacity .18s ease;z-index:30}
  .nav-overlay.open{opacity:1;pointer-events:auto}

  .nav-mobile{display:grid;position:fixed;top:0;left:0;width:min(320px, 86vw);height:100vh;padding:18px;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-right:1px solid var(--border);transform:translateX(-110%);transition:transform .18s ease;z-index:40;overflow:auto}
  .nav-mobile.open{transform:translateX(0)}

  .filters-grid{grid-template-columns:1fr}

  .table-wrap table{min-width:320px}
  th,td{padding:8px}

  .kanban-grid{flex-direction:column}
  .kanban-column{width:100%}
  .kanban-card{cursor:default}

  .login-grid{grid-template-columns:1fr}
  .login-hero{border-right:none;border-bottom:1px solid var(--border)}
}