/* Support Hub dashboard — vanilla CSS, system fonts, no external assets. */
:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#eef1f4; --text:#1a2230; --muted:#5b6675;
  --border:#d7dde4; --accent:#1d4ed8; --accent-text:#ffffff; --accent-soft:#dbeafe;
  --amber-bg:#fff7e0; --amber-border:#d9a400; --amber-text:#6b4e00;
  --green:#15803d; --green-bg:#dcfce7; --red:#b91c1c; --red-bg:#fee2e2;
  --grey-bg:#e5e7eb; --radius:10px; --header-h:60px;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#0f141b; --surface:#171e28; --surface-2:#1f2836; --text:#e8edf3; --muted:#9aa7b8;
  --border:#2c3848; --accent:#60a5fa; --accent-text:#0b1220; --accent-soft:#1e3a5f;
  --amber-bg:#3a2f10; --amber-border:#d9a400; --amber-text:#ffd970;
  --green:#4ade80; --green-bg:#14351f; --red:#f87171; --red-bg:#3d1a1a; --grey-bg:#2a3442;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5}
h1{font-size:1.25rem;margin:0}
h2{font-size:1.35rem;margin:0 0 .75rem}
h3{font-size:1.05rem;margin:1.25rem 0 .5rem}
p{margin:.5rem 0}
a{color:var(--accent)}
button,select,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.app-header{min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.5rem 1rem;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.header-left{display:flex;align-items:center;gap:.6rem;min-width:0}
.logo{font-size:1.4rem;color:var(--accent);line-height:1}
.tenant-label{font-size:.85rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-right{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;justify-content:flex-end}
#tenant-switcher{max-width:220px}

/* Buttons / inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.55rem 1rem;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);text-decoration:none;font-weight:600}
.btn:hover{border-color:var(--accent)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);min-height:52px}
.btn-ghost{background:transparent}
.btn-danger{color:var(--red);border-color:var(--red)}
.btn-small{min-height:36px;padding:.3rem .7rem;font-size:.9rem}
.btn:disabled{opacity:.55;cursor:not-allowed}
input,select,textarea{width:100%;min-height:44px;padding:.55rem .7rem;border:1px solid var(--border);border-radius:8px;background:var(--surface)}
textarea{min-height:110px;resize:vertical}
/* The generic `label` rule below sets display:block on every <label> — without
   this guard it overrides the UA `[hidden]{display:none}` rule, so a
   `hidden` label (e.g. the tenant switcher) would render anyway. */
[hidden]{display:none!important}
label{display:block;font-weight:600;margin:.75rem 0 .25rem}
label .hint{display:block;font-weight:400;color:var(--muted);font-size:.85rem}
.field-row{display:flex;gap:.75rem;flex-wrap:wrap}
.field-row>*{flex:1;min-width:180px}

/* Shell / sidebar */
.shell{display:grid;grid-template-columns:220px 1fr;align-items:start;max-width:1200px;margin:0 auto}
.sidebar{position:sticky;top:var(--header-h);display:flex;flex-direction:column;gap:.25rem;padding:1rem .75rem}
.sidebar a{display:flex;align-items:center;min-height:44px;padding:.6rem .8rem;border-radius:8px;color:var(--text);text-decoration:none;font-weight:600}
.sidebar a:hover{background:var(--surface-2)}
.sidebar a.active{background:var(--accent-soft);color:var(--accent)}
.content{padding:1.25rem 1.25rem 3rem;min-width:0}
.content-login{max-width:480px;margin:2rem auto;padding:1.25rem}

/* Cards, banners, tables */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:1rem}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem;margin-bottom:1rem}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.stat .num{font-size:1.6rem;font-weight:700;line-height:1.2}
.stat .label{color:var(--muted);font-size:.9rem}
.banner{border:1px solid var(--border);border-left-width:4px;border-radius:8px;padding:.75rem 1rem;margin-bottom:1rem;background:var(--surface)}
.banner-error{border-color:var(--red);background:var(--red-bg);color:var(--text)}
.banner-amber{border-color:var(--amber-border);background:var(--amber-bg);color:var(--amber-text)}
.banner-amber strong{color:inherit}
.loading{color:var(--muted);padding:1rem 0}
.muted{color:var(--muted);font-size:.9rem}
.empty{color:var(--muted);padding:1rem 0}
table{width:100%;border-collapse:collapse;background:var(--surface)}
th,td{text-align:left;padding:.65rem .6rem;border-bottom:1px solid var(--border);vertical-align:top}
th{font-size:.85rem;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.8rem;font-weight:700;background:var(--grey-bg);white-space:nowrap}
.badge-open{background:var(--accent-soft);color:var(--accent)}
.badge-resolved,.badge-completed,.badge-ready{background:var(--green-bg);color:var(--green)}
.badge-closed{background:var(--grey-bg);color:var(--muted)}
.badge-pending{background:var(--amber-bg);color:var(--amber-text)}
.badge-failed,.badge-error{background:var(--red-bg);color:var(--red)}
.badge-urgent,.badge-high{background:var(--red-bg);color:var(--red)}
.badge-low{background:var(--grey-bg);color:var(--muted)}
.badge-processing,.badge-ingesting{background:var(--amber-bg);color:var(--amber-text)}

/* Tickets */
.filter-bar{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem}
.filter-bar .seg{display:flex;gap:.25rem;flex-wrap:wrap}
.filter-bar .seg .btn.active{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}
.filter-bar select,.filter-bar input{width:auto;min-width:140px;flex:1}
.ticket-row{display:block;width:100%;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.85rem 1rem;margin-bottom:.6rem;color:var(--text)}
.ticket-row:hover{border-color:var(--accent)}
.ticket-row .row-top{display:flex;gap:.5rem;align-items:baseline;flex-wrap:wrap}
.ticket-row .subject{font-weight:700;flex:1;min-width:160px}
.ticket-row .meta{color:var(--muted);font-size:.88rem;margin-top:.25rem}
.ticket-head{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.ticket-head h2{flex:1;min-width:200px}
.msg{border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1rem;margin-bottom:.6rem;background:var(--surface)}
.msg .msg-meta{font-size:.85rem;color:var(--muted);margin-bottom:.25rem}
.msg-agent{border-left:4px solid var(--accent)}
.msg-customer{border-left:4px solid var(--border)}
.msg-system{border-left:4px solid var(--amber-border)}
.ai-answer{border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1rem;margin-bottom:.6rem;background:var(--surface-2)}
.ai-answer .answer{white-space:pre-wrap}
.citations{font-size:.85rem;color:var(--muted)}
.confidence{font-weight:700}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;margin:.75rem 0}
pre{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:1rem;overflow-x:auto;white-space:pre-wrap;word-break:break-all;font-size:.85rem}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
.swatch{display:inline-block;width:22px;height:22px;border-radius:6px;border:1px solid var(--border);vertical-align:middle;margin-right:.4rem}
.radio-list{display:flex;flex-direction:column;gap:.5rem;margin:.75rem 0}
.radio-list label{display:flex;align-items:center;gap:.5rem;min-height:44px;font-weight:400;border:1px solid var(--border);border-radius:8px;padding:.5rem .75rem;margin:0;cursor:pointer}
.radio-list input{width:auto;min-height:0}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.list-item{display:flex;gap:.75rem;align-items:flex-start;justify-content:space-between;border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem;margin-bottom:.6rem;background:var(--surface);flex-wrap:wrap}
.list-item .item-body{flex:1;min-width:200px}
.list-item .item-title{font-weight:700}
.json-view{max-height:420px;overflow:auto}

@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;overflow-x:auto;padding:.6rem .75rem;border-bottom:1px solid var(--border)}
  .sidebar a{white-space:nowrap;min-height:44px}
  .content{padding:1rem .9rem 3rem}
  .tenant-label{display:none}
}
@media (max-width:480px){
  body{font-size:16px}
  .btn-primary{min-height:52px;width:100%}
  .app-header{padding:.5rem .75rem}
  h1{font-size:1.1rem}
  #tenant-switcher{max-width:150px}
  .filter-bar select,.filter-bar input{width:100%}
  th,td{padding:.55rem .4rem;font-size:.92rem}
}