:root{
  --bg:#f1f5f9; --surface:#ffffff; --border:#e2e8f0; --text:#0f172a; --muted:#64748b;
  --primary:#2563eb; --primary-d:#1d4ed8; --primary-l:#eff6ff;
  --green:#16a34a; --green-l:#f0fdf4; --red:#dc2626; --red-l:#fef2f2;
  --amber:#d97706; --amber-l:#fffbeb; --radius:10px; --shadow:0 1px 3px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.5rem;margin:0 0 4px}
h2{font-size:1.15rem;margin:0 0 12px}
h3{font-size:1rem;margin:0 0 8px}
.muted{color:var(--muted)}
.small{font-size:.85rem}
code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:.85em}

/* Layout shell */
.shell{display:flex;min-height:100vh}
.sidebar{width:240px;background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;flex-shrink:0}
.sidebar .brand{padding:18px 20px;font-weight:700;color:#fff;font-size:1.1rem;display:flex;align-items:center;gap:8px;border-bottom:1px solid #1e293b}
.sidebar nav{padding:10px 0;flex:1;overflow-y:auto}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:9px 20px;color:#cbd5e1;font-size:.92rem}
.sidebar nav a:hover{background:#1e293b;color:#fff;text-decoration:none}
.sidebar nav a.active{background:var(--primary);color:#fff}
.sidebar nav .group{padding:14px 20px 4px;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:#64748b}
.sidebar .foot{padding:14px 20px;border-top:1px solid #1e293b;font-size:.82rem}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.content{padding:28px;max-width:none;width:100%}
.content.wide{max-width:none}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:12px}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}

/* Stat */
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.stat .n{font-size:1.8rem;font-weight:700}
.stat .l{color:var(--muted);font-size:.85rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:.9rem;cursor:pointer;font-weight:500;transition:.12s}
.btn:hover{background:#f8fafc;text-decoration:none}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.green{background:var(--green);border-color:var(--green);color:#fff}
.btn.danger{background:var(--red);border-color:var(--red);color:#fff}
.btn.ghost{background:transparent;border-color:transparent}
.btn.sm{padding:5px 10px;font-size:.82rem}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* Forms */
label{display:block;font-weight:500;margin-bottom:5px;font-size:.9rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],input[type=url],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.92rem;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}
textarea{resize:vertical;min-height:90px}
.field{margin-bottom:16px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>.field{flex:1;min-width:180px}
.hint{font-size:.8rem;color:var(--muted);margin-top:4px}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
tr:last-child td{border-bottom:none}
.table-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:.76rem;font-weight:600}
.badge.gray{background:#f1f5f9;color:#475569}
.badge.blue{background:var(--primary-l);color:var(--primary-d)}
.badge.green{background:var(--green-l);color:var(--green)}
.badge.red{background:var(--red-l);color:var(--red)}
.badge.amber{background:var(--amber-l);color:var(--amber)}

/* Score */
.score{font-weight:700;border-radius:8px;padding:3px 9px;display:inline-block;min-width:42px;text-align:center}
.score.hi{background:var(--green-l);color:var(--green)}
.score.mid{background:var(--amber-l);color:var(--amber)}
.score.lo{background:var(--red-l);color:var(--red)}

/* Flash */
.flash{padding:11px 16px;border-radius:8px;margin-bottom:16px;font-size:.9rem;border:1px solid}
.flash.success{background:var(--green-l);border-color:#bbf7d0;color:#166534}
.flash.error{background:var(--red-l);border-color:#fecaca;color:#991b1b}
.flash.info{background:var(--primary-l);border-color:#bfdbfe;color:#1e40af}
.flash.warning{background:var(--amber-l);border-color:#fde68a;color:#92400e}

/* Auth pages */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#1e3a8a,#2563eb)}
.auth-card{background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.25);padding:32px;width:100%;max-width:400px}
.auth-card .brand{font-size:1.4rem;font-weight:700;text-align:center;margin-bottom:4px;display:flex;align-items:center;justify-content:center;gap:8px}
.auth-card .sub{text-align:center;color:var(--muted);margin-bottom:22px;font-size:.9rem}

/* Job list */
.job-item{border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px;background:var(--surface);display:flex;gap:16px;align-items:flex-start}
.job-item .body{flex:1;min-width:0}
.job-item h3{margin:0 0 3px}
.job-meta{color:var(--muted);font-size:.85rem;display:flex;gap:14px;flex-wrap:wrap;margin:5px 0}
.job-reason{font-size:.85rem;background:#f8fafc;border-left:3px solid var(--primary);padding:7px 11px;border-radius:0 6px 6px 0;margin-top:8px}
.job-actions{display:flex;flex-direction:column;gap:7px;flex-shrink:0;width:150px}

/* Chat */
.chat-box{display:flex;flex-direction:column;height:65vh;border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden}
.chat-msgs{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:80%;padding:10px 14px;border-radius:12px;font-size:.92rem;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:3px}
.msg.assistant{align-self:flex-start;background:#f1f5f9;color:var(--text);border-bottom-left-radius:3px}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}
.chat-input textarea{min-height:auto;height:44px}

/* WYSIWYG */
.editor-toolbar{display:flex;gap:4px;flex-wrap:wrap;padding:8px;border:1px solid var(--border);border-bottom:none;border-radius:8px 8px 0 0;background:#f8fafc}
.editor-toolbar button{border:1px solid var(--border);background:#fff;border-radius:6px;padding:5px 9px;cursor:pointer;font-size:.85rem;min-width:32px}
.editor-toolbar button:hover{background:#eff6ff}
.wysiwyg{border:1px solid var(--border);border-radius:0 0 8px 8px;min-height:320px;padding:16px 18px;background:#fff;overflow-y:auto}
.wysiwyg:focus{outline:none}

.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}.gap{gap:10px}.wrap{flex-wrap:wrap}
.mt{margin-top:16px}.mb{margin-bottom:16px}.tr{text-align:right}
.empty{text-align:center;padding:40px;color:var(--muted)}
.svg-i{vertical-align:-3px}
@media(max-width:820px){.sidebar{display:none}.content{padding:16px}.job-item{flex-direction:column}.job-actions{width:100%;flex-direction:row;flex-wrap:wrap}}

/* Floating chat bubble */
#cb-toggle{position:fixed;right:24px;bottom:24px;width:58px;height:58px;border-radius:50%;border:none;background:var(--primary);color:#fff;cursor:pointer;box-shadow:0 6px 20px rgba(37,99,235,.45);display:flex;align-items:center;justify-content:center;z-index:9998;transition:.18s}
#cb-toggle:hover{background:var(--primary-d);transform:translateY(-2px)}
#cb-toggle.open{background:#0f172a}
#cb-panel{position:fixed;right:24px;bottom:92px;width:370px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 130px);background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 16px 48px rgba(15,23,42,.28);display:flex;flex-direction:column;overflow:hidden;z-index:9998}
#cb-panel[hidden]{display:none}
#cb-head{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;background:#0f172a;color:#fff;font-weight:600;font-size:.95rem}
#cb-head button{background:none;border:none;color:#cbd5e1;cursor:pointer;display:flex}
#cb-head button:hover{color:#fff}
#cb-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#f8fafc}
.cb-msg{max-width:85%;padding:9px 13px;border-radius:12px;font-size:.9rem;white-space:pre-wrap;line-height:1.45}
.cb-msg.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:3px}
.cb-msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--border);color:var(--text);border-bottom-left-radius:3px}
#cb-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border);background:#fff}
#cb-form textarea{flex:1;resize:none;min-height:40px;max-height:120px;padding:9px 11px}
#cb-form button{border:none;background:var(--primary);color:#fff;border-radius:8px;width:42px;cursor:pointer;display:flex;align-items:center;justify-content:center}
#cb-form button:hover{background:var(--primary-d)}
#cb-form button:disabled{opacity:.5}
@media print{#cb-root{display:none}}

/* Kanban */
.kanban{display:flex;gap:14px;overflow-x:auto;padding-bottom:10px;align-items:flex-start}
.kan-col{flex:0 0 250px;background:#f1f5f9;border-radius:10px;display:flex;flex-direction:column;max-height:75vh}
.kan-head{padding:10px 12px;font-weight:600;font-size:.85rem;background:#fff;border-radius:10px 10px 0 0;display:flex;justify-content:space-between;align-items:center}
.kan-count{background:#e2e8f0;color:#475569;border-radius:999px;padding:1px 8px;font-size:.75rem}
.kan-body{padding:8px;overflow-y:auto;flex:1;min-height:60px;transition:background .12s}
.kan-body.over{background:#dbeafe}
.kan-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px;margin-bottom:8px;cursor:grab;box-shadow:0 1px 2px rgba(15,23,42,.06)}
.kan-card:hover{border-color:var(--primary)}
.kan-card.dragging{opacity:.5}
.kan-card a{text-decoration:none;color:var(--text)}

/* Bar chart */
.barchart-labels{display:flex;justify-content:space-between;margin-top:4px;font-size:.62rem;color:var(--muted)}
.barchart-labels span{flex:1;text-align:center;overflow:hidden;white-space:nowrap}