:root{--bg:#f6f7f9;--panel:#fff;--ink:#1c2430;--muted:#66707d;--line:#dde2e8;--accent:#0b5cad;--accent-ink:#fff;--ok:#1a7f37;--warn:#b45309;--err:#b42318;--chip:#eef2f7;font-size:15px}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.45}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header.top{background:#12213a;color:#e8eef7;display:flex;align-items:center;gap:1.25rem;padding:.6rem 1.25rem;flex-wrap:wrap}
header.top .brand{font-weight:700;letter-spacing:.02em;color:#fff}header.top nav{display:flex;gap:.9rem;flex-wrap:wrap}header.top nav a{color:#c9d6e8}header.top nav a.active,header.top nav a:hover{color:#fff;text-decoration:none}
header.top .who{margin-left:auto;font-size:.9rem;color:#c9d6e8;display:flex;gap:.75rem;align-items:center}
main{max-width:1240px;margin:0 auto;padding:1.25rem}
h1{font-size:1.45rem;margin:.2rem 0 1rem}h2{font-size:1.1rem;margin:1.4rem 0 .6rem}h3{font-size:1rem;margin:1rem 0 .4rem}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:1rem 1.1rem;margin-bottom:1rem}
.grid{display:grid;gap:1rem}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:1rem}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:.7rem .9rem}.tile .n{font-size:1.6rem;font-weight:700;line-height:1.1}.tile .l{font-size:.8rem;color:var(--muted)}
.tile.warn{border-color:#f5c98a}.tile.err{border-color:#f0a9a0}.tile.ok{border-color:#a7d7b3}
table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:.45rem .55rem;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:#fafbfc}.num{text-align:right;font-variant-numeric:tabular-nums}
.chip{display:inline-block;background:var(--chip);border-radius:999px;padding:.1rem .55rem;font-size:.78rem;color:var(--ink);white-space:nowrap}
.chip.ok{background:#dcf5e3;color:var(--ok)}.chip.warn{background:#fdebd0;color:var(--warn)}.chip.err{background:#fde2df;color:var(--err)}.chip.muted{color:var(--muted)}
.muted{color:var(--muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem}
form.inline{display:inline}label{display:block;font-size:.85rem;color:var(--muted);margin:.5rem 0 .2rem}
input[type=text],input[type=email],input[type=number],input[type=password],input[type=date],select,textarea{width:100%;padding:.45rem .55rem;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:6rem}input:focus,select:focus,textarea:focus{outline:2px solid #9cc3ee;border-color:var(--accent)}
.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1 1 180px}.row>.auto{flex:0 0 auto}
button,.btn{display:inline-block;padding:.45rem .9rem;border-radius:6px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);font:inherit;cursor:pointer}
button.secondary,.btn.secondary{background:#fff;color:var(--accent)}button.danger,.btn.danger{background:#fff;color:var(--err);border-color:var(--err)}button.small,.btn.small{padding:.25rem .6rem;font-size:.85rem}
button:disabled{opacity:.5;cursor:not-allowed}
.flash{padding:.6rem .9rem;border-radius:6px;margin-bottom:1rem;border:1px solid}.flash.success{background:#e9f8ee;border-color:#a7d7b3;color:#14532d}.flash.error{background:#fdecea;border-color:#f0a9a0;color:#7f1d1d}.flash.info{background:#e8f1fb;border-color:#b6d2f2;color:#0c3a6b}
.login{max-width:420px;margin:8vh auto;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.6rem}
.login h1{margin-top:0}.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:1rem auto}@keyframes spin{to{transform:rotate(360deg)}}
details{margin:.4rem 0}summary{cursor:pointer;color:var(--accent)}
.setting{display:grid;grid-template-columns:minmax(200px,1.2fr) minmax(160px,1fr) auto;gap:.6rem;align-items:center;padding:.45rem 0;border-bottom:1px solid var(--line)}
.setting .k{font-weight:600}.setting .k small{display:block;font-weight:400;color:var(--muted)}.setting .actions{display:flex;gap:.4rem;white-space:nowrap}
.setting .k .key{font-family:ui-monospace,Menlo,monospace;font-size:.75rem;color:var(--muted)}
pre{background:#f1f3f6;border:1px solid var(--line);border-radius:6px;padding:.7rem;overflow:auto;font-size:.8rem}
.footer{color:var(--muted);font-size:.78rem;text-align:center;padding:1rem}
@media (max-width:700px){.setting{grid-template-columns:1fr}header.top .who{margin-left:0}}

/* grouped navigation (pulldowns) */
header.top nav.groups{gap:.25rem;align-items:center}
header.top nav.groups>a{padding:.3rem .55rem;border-radius:6px}
header.top nav.groups>a.active{background:#24385a}
header.top .grp{position:relative}
header.top .grp>button{background:none;border:0;color:#c9d6e8;font:inherit;padding:.3rem .55rem;border-radius:6px;cursor:pointer}
header.top .grp:hover>button,header.top .grp:focus-within>button,header.top .grp.active>button{color:#fff;background:#24385a}
header.top .grp .menu{display:none;position:absolute;left:0;top:100%;z-index:50;min-width:12rem;background:#1a2c4a;border:1px solid #2f4468;border-radius:8px;padding:.35rem;box-shadow:0 8px 24px rgba(0,0,0,.35)}
header.top .grp:hover .menu,header.top .grp:focus-within .menu{display:block}
header.top .grp .menu a{display:block;padding:.4rem .7rem;border-radius:6px;white-space:nowrap}
header.top .grp .menu a:hover,header.top .grp .menu a.active{background:#2a4166;color:#fff}
@media (max-width:700px){header.top .grp .menu{position:static;display:block;background:none;border:0;box-shadow:none;padding:0 0 0 .5rem}header.top .grp>button{display:none}header.top nav.groups{flex-direction:column;align-items:flex-start}}
/* chat bot simulator and menu preview */
.phone{max-width:24rem;border:1px solid var(--line);border-radius:18px;padding:.6rem;background:#fafbfc}
.phone-log{height:26rem;overflow-y:auto;display:flex;flex-direction:column;gap:.35rem;padding:.3rem}
.bubble{max-width:85%;padding:.45rem .7rem;border-radius:14px;white-space:pre-wrap;font-size:.86rem;line-height:1.35}
.bubble.bot{background:#e9ecf1;align-self:flex-start;border-bottom-left-radius:4px}
.bubble.me{background:#2563eb;color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.sim-hint{color:var(--muted);font-size:.78rem;text-align:center;margin:.2rem 0}
.sim-hint.err{color:var(--err)}
.sim-meta{font-size:.72rem;color:var(--muted);align-self:flex-start}
.sim-meta ol{margin:.2rem 0 .2rem 1rem;padding:0}
.phone-input{margin-top:.4rem}
.phone-input #sim-from{font-size:.75rem;margin-bottom:.3rem}
.row-tight{display:flex;gap:.3rem}.row-tight input{flex:1}
/* flow builder */
.step-card{border:1px solid var(--line);border-radius:8px;padding:.55rem .7rem;margin-bottom:.55rem;background:#fff;border-left:4px solid #94a3b8}
.step-card[data-type=collect]{border-left-color:#2563eb}.step-card[data-type=branch]{border-left-color:#d97706}
.step-card[data-type=end]{border-left-color:#334155}.step-card[data-type=handoff],.step-card[data-type=notify_staff]{border-left-color:#dc2626}
.step-card[data-type=ds_read],.step-card[data-type=ds_write],.step-card[data-type=set_state]{border-left-color:#059669}
.step-head{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap}.step-head .sid{width:9rem}.step-head .grow{flex:1}
.step-n{font-weight:600;color:var(--muted);min-width:1.4rem}
.step-card .f{margin-top:.35rem}.step-card label{font-size:.78rem}
.map-col .panel{position:sticky;top:.5rem}
.map-scroll{overflow:auto;max-height:75vh}
.flow-map text{font-family:inherit}
.fm-node rect{fill:#f1f5f9;stroke:#94a3b8}.fm-ask rect{fill:#dbeafe;stroke:#2563eb}.fm-if rect{fill:#fef3c7;stroke:#d97706}
.fm-end rect{fill:#e2e8f0;stroke:#334155}.fm-staff rect{fill:#fee2e2;stroke:#dc2626}.fm-do rect{fill:#d1fae5;stroke:#059669}
.fm-orphan rect{stroke-dasharray:4 3;opacity:.6}
.fm-id{font-size:12px;font-weight:600;fill:#0f172a}.fm-detail{font-size:11px;fill:#475569}.fm-edge{font-size:10px;fill:#475569}
.warn-text{color:var(--warn)}.ok-text{color:var(--ok)}
.step-card .f[hidden]{display:none!important}
/* hierarchy */
.big{font-size:1.6rem;font-weight:600;line-height:1.2}.err-text{color:var(--err)}
.chip.lvl-state{background:#e0e7ff;color:#3730a3}.chip.lvl-city{background:#dbeafe;color:#1e40af}.chip.lvl-node{background:#d1fae5;color:#065f46}
.stat-row .panel{padding-block:.6rem}
.table-scroll{overflow-x:auto}.nowrap{white-space:nowrap}
/* hierarchy tree */
ul.tree{list-style:none;margin:0;padding-left:1.1rem;border-left:1px dashed var(--line)}
.tree-panel > ul.tree{padding-left:0;border-left:0}
ul.tree li{margin:.15rem 0}
details.tree-node > summary{cursor:pointer;padding:.2rem .3rem;border-radius:6px;list-style-position:outside}
details.tree-node > summary:hover{background:#f1f5f9}
details.tree-node > summary .chip{margin-left:.2rem}
.tree-devs > summary{color:var(--muted);font-size:.85rem}
table.tree-devices{margin:.2rem 0 .4rem 1.1rem;width:auto}table.tree-devices td{padding:.15rem .5rem}
.tree-empty{margin:.1rem 0 .3rem 1.4rem}
.tree-tools{margin:.2rem 0 .5rem}
.needs-city{border-color:var(--warn);background:#fffaf0}
#messages.fresh{box-shadow:0 0 0 2px var(--ok);transition:box-shadow .3s}
/* dashboard: the three outage lists side by side; long device names wrap, columns stay tight */
.outage-lists .panel{min-width:0}.outage-lists table{table-layout:auto;width:100%}.outage-lists td:first-child{word-break:break-word}.outage-lists td.small,.outage-lists td.num{white-space:nowrap}
.outage-filter{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}.outage-filter a.chip{text-decoration:none}