:root{
  --ink:#121614; --ink2:#1b211e; --sage:#5f7868; --sage2:#7f9b89; --mint:#dce7df;
  --paper:#f5f7f5; --card:#ffffff; --line:#dce3de; --muted:#6f7b74; --danger:#a84444; --warn:#9a6f23;
  --shadow:0 10px 30px rgba(13,25,18,.08); --radius:16px;
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper)}
button,input,select,textarea{font:inherit}.hidden{display:none!important}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.small{font-size:12px}.nowrap{white-space:nowrap}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 15% 10%,#dce8df 0,transparent 34%),linear-gradient(135deg,#111714,#27332c)}
.auth-card{width:min(460px,96vw);background:#fff;border-radius:24px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.28)}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--sage2),#31483b);display:grid;place-items:center;color:#fff;font-weight:900;letter-spacing:-1px}.brand h1{margin:0;font-size:24px}.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}
.auth-card h2{margin:28px 0 6px}.auth-card .lead{margin:0 0 20px;color:var(--muted)}
.field{display:grid;gap:7px;margin:14px 0}.field label{font-size:13px;font-weight:700;color:#455149}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 12px;background:#fff;outline:none}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sage2);box-shadow:0 0 0 3px rgba(95,120,104,.12)}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center}.btn-primary{background:var(--ink2);color:#fff}.btn-sage{background:var(--sage);color:#fff}.btn-ghost{background:#eef2ef;color:var(--ink)}.btn-danger{background:#f8e9e9;color:var(--danger)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-block{width:100%}.btn-sm{padding:7px 10px;font-size:13px}
.shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}.sidebar{background:#131815;color:#edf4ef;padding:20px 14px;position:sticky;top:0;height:100vh}.sidebar .brand{padding:2px 8px 20px}.sidebar .brand-mark{width:36px;height:36px}.sidebar .brand h1{font-size:19px}.sidebar .brand p{color:#90a097}.nav{display:grid;gap:5px}.nav button{background:transparent;border:0;color:#aebbb3;text-align:left;padding:11px 12px;border-radius:10px;cursor:pointer;font-weight:650}.nav button:hover,.nav button.active{background:#253029;color:#fff}.sidebar-foot{position:absolute;left:14px;right:14px;bottom:18px;border-top:1px solid #2c352f;padding-top:14px}.who{padding:8px}.who strong{display:block;font-size:13px}.who span{font-size:11px;color:#93a097}
.main{min-width:0}.topbar{height:68px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.search{width:min(520px,48vw);position:relative}.search input{width:100%;border:1px solid var(--line);border-radius:11px;background:#f8faf8;padding:10px 12px 10px 38px;outline:none}.search:before{content:'⌕';position:absolute;left:14px;top:8px;color:var(--muted);font-size:20px}.top-actions{display:flex;gap:9px;align-items:center}.content{padding:26px 28px 50px;max-width:1500px;margin:auto}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px}.page-head h2{font-size:27px;margin:0 0 4px}.page-head p{margin:0;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.metric .k{font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.07em}.metric .v{font-size:30px;font-weight:850;margin-top:8px}.metric .hint{font-size:12px;color:var(--muted);margin-top:4px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.panel-head h3{margin:0;font-size:16px}.panel-body{padding:18px}.mt{margin-top:18px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 14px;border-bottom:1px solid #edf0ee;text-align:left;font-size:13px;vertical-align:middle}.table th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#fafbfa;position:sticky;top:0}.table tr:last-child td{border-bottom:0}.table tbody tr:hover{background:#fafcfb}.row-title{font-weight:800}.sub{display:block;color:var(--muted);font-size:11px;margin-top:2px}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800}.pill.green{background:#e6f2e9;color:#356444}.pill.gray{background:#edf0ee;color:#657169}.pill.gold{background:#f7f0df;color:#846523}.pill.red{background:#f8e8e8;color:#923f3f}.dot{width:7px;height:7px;border-radius:99px;background:currentColor}.actions{display:flex;gap:7px;flex-wrap:wrap}.join{background:#1d2a23;color:#fff}.join:before{content:'↗';font-size:14px}
.empty{padding:44px 20px;text-align:center;color:var(--muted)}.empty strong{color:var(--ink);display:block;margin-bottom:5px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.modal-backdrop{position:fixed;inset:0;background:rgba(7,12,9,.52);z-index:20;display:grid;place-items:center;padding:18px}.modal{width:min(650px,96vw);max-height:90vh;overflow:auto;background:#fff;border-radius:18px;box-shadow:0 30px 100px rgba(0,0,0,.35)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0}.modal-body{padding:20px}.close{border:0;background:#edf1ee;width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:18px}
.toast{position:fixed;right:20px;bottom:20px;z-index:99;background:#18211c;color:#fff;padding:12px 15px;border-radius:11px;box-shadow:var(--shadow);transform:translateY(100px);opacity:0;transition:.2s;max-width:420px}.toast.show{transform:none;opacity:1}.toast.error{background:#7c3030}
.notice{padding:12px 14px;border-radius:11px;background:#eef4f0;border:1px solid #d7e5dc;color:#365344;font-size:13px}.warning{background:#faf4e7;border-color:#ebdfc3;color:#755b21}.danger-note{background:#faeaea;border-color:#efd0d0;color:#7d3737}.split-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.badge-role{font-size:10px;text-transform:uppercase;letter-spacing:.05em;padding:4px 7px;border-radius:6px;background:#e9eeeb;color:#435248;font-weight:800}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;font-size:13px}.check-item input{width:auto}
@media(max-width:1050px){.cards{grid-template-columns:repeat(2,1fr)}.shell{grid-template-columns:205px 1fr}.grid2{grid-template-columns:1fr}}
@media(max-width:760px){.shell{display:block}.sidebar{position:relative;height:auto}.sidebar-foot{position:relative;left:auto;right:auto;bottom:auto;margin-top:16px}.nav{grid-template-columns:repeat(2,1fr)}.topbar{padding:0 14px}.content{padding:18px 14px}.cards{grid-template-columns:1fr 1fr}.search{width:55vw}.page-head{align-items:flex-start;flex-direction:column}.table th:nth-child(3),.table td:nth-child(3){display:none}}

/* v0.2 account workspace */
.account-link{border:0;background:transparent;padding:0;color:var(--ink);font-weight:850;cursor:pointer;text-align:left}.account-link:hover{color:var(--sage)}.account-link span{color:var(--sage);margin-left:4px}.account-row{cursor:pointer}.device-count{display:inline-grid;place-items:center;min-width:28px;height:28px;padding:0 8px;border-radius:999px;background:#eef3ef;font-weight:850}.account-detail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:14px}.account-detail-head h2{font-size:29px;margin:0}.account-detail-head p{margin:5px 0 0;color:var(--muted)}.account-title-line{display:flex;align-items:center;gap:10px;margin-top:7px}.back-link{border:0;background:transparent;padding:0;color:var(--sage);font-weight:800;cursor:pointer}.back-link:hover{text-decoration:underline}.account-summary{display:grid;grid-template-columns:150px 170px 1fr;gap:12px}.summary-chip{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 16px;box-shadow:var(--shadow);min-width:0}.summary-chip span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:750;margin-bottom:5px}.summary-chip strong{font-size:18px;overflow-wrap:anywhere}.summary-chip.wide strong{font-size:13px;font-weight:650;color:#3d4942}
@media(max-width:760px){.account-detail-head{align-items:flex-start;flex-direction:column}.account-summary{grid-template-columns:1fr 1fr}.summary-chip.wide{grid-column:1/-1}}

/* v0.4 mobile-first support workflow */
.mobile-only,.mobile-device-list,.mobile-account-list,.mobile-audit-list,.sidebar-mobile-head{display:none}
.mobile-icon-btn{border:0;background:transparent;color:inherit;width:44px;height:44px;border-radius:12px;font-size:24px;align-items:center;justify-content:center;cursor:pointer}
.sidebar-scrim{display:none}
.detail-list{display:grid;gap:0;margin:14px 0 20px}.detail-list>div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.detail-list dt{font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.detail-list dd{margin:0;font-weight:700;overflow-wrap:anywhere}.detail-status{margin-bottom:8px}.device-detail-actions{display:grid;gap:9px}

@media(max-width:760px){
  body{padding-bottom:72px;background:#f4f7f5}.mobile-only{display:flex}.desktop-device-table,.desktop-account-panel,.desktop-audit-panel{display:none!important}.mobile-device-list,.mobile-account-list,.mobile-audit-list{display:grid}
  .shell{display:block;min-height:100vh}.main{min-width:0}.sidebar{position:fixed;z-index:40;left:0;top:0;bottom:0;width:min(84vw,330px);height:100vh;padding:14px;transform:translateX(-105%);transition:transform .2s ease;box-shadow:0 20px 70px rgba(0,0,0,.35);overflow:auto}.drawer-open .sidebar{transform:translateX(0)}.sidebar-scrim{display:block;position:fixed;z-index:35;inset:0;background:rgba(5,10,7,.5);opacity:0;pointer-events:none;transition:opacity .2s}.drawer-open .sidebar-scrim{opacity:1;pointer-events:auto}.sidebar-mobile-head{display:flex;align-items:center;justify-content:space-between;padding:0 4px 8px;color:#c9d5ce;font-weight:800}.sidebar .brand{padding:8px 8px 18px}.nav{grid-template-columns:1fr!important;gap:5px}.nav button{min-height:46px;font-size:15px}.sidebar-foot{position:relative;left:auto;right:auto;bottom:auto;margin-top:18px;padding-bottom:20px}.sidebar-foot .btn{min-height:46px}
  .topbar{height:60px;padding:0 10px;display:grid;grid-template-columns:44px 1fr 44px;gap:4px;position:sticky;top:0;z-index:20}.topbar .mobile-icon-btn{display:flex}.mobile-page-title{align-items:center;font-size:17px;font-weight:850;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-actions{display:none}.search{display:none;position:absolute;left:10px;right:10px;top:7px;width:auto;z-index:3}.search.mobile-search-open{display:block}.search input{height:46px;background:#fff;padding-right:48px;box-shadow:0 7px 24px rgba(0,0,0,.12)}.search.mobile-search-open~#mobileSearchBtn{z-index:4;background:#eef2ef}.content{padding:18px 14px 28px;max-width:none}.page-head{margin-bottom:14px;gap:12px}.page-head h2{font-size:25px;line-height:1.1}.page-head p{font-size:14px;line-height:1.4}.page-head>.btn{width:100%;min-height:48px}.cards{grid-template-columns:1fr 1fr;gap:10px}.metric{padding:14px}.metric .v{font-size:25px}.panel{border-radius:15px;box-shadow:0 5px 18px rgba(13,25,18,.06)}.panel-head{padding:14px;gap:10px;align-items:flex-start}.panel-head .btn{min-height:40px}.account-summary{display:none}.account-admin-actions{width:100%}.account-admin-actions .btn{flex:1;min-height:44px}
  .mobile-bottom{position:fixed;z-index:30;left:0;right:0;bottom:0;height:66px;padding:5px 8px max(5px,env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);justify-content:space-around;box-shadow:0 -8px 28px rgba(15,30,20,.08)}.mobile-bottom button{border:0;background:transparent;color:#738078;min-width:64px;border-radius:12px;padding:5px 8px;display:grid;place-items:center;gap:1px;font-weight:800;cursor:pointer}.mobile-bottom button span{font-size:21px;line-height:1}.mobile-bottom button small{font-size:10px}.mobile-bottom button.active{background:#e8f0eb;color:#284436}
  .mobile-account-list{gap:12px}.mobile-account-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:16px;box-shadow:0 5px 20px rgba(13,25,18,.06)}.mobile-account-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.mobile-account-top h3{margin:0;font-size:19px}.mobile-account-top p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.35}.mobile-account-stats{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0;color:var(--muted);font-size:12px}.mobile-account-stats strong{color:var(--ink);font-size:18px;margin-right:4px}.mobile-account-actions{display:flex;gap:8px}.mobile-account-actions .btn{min-height:46px}.mobile-account-actions .btn-block{flex:1}
  .account-detail-head{margin-bottom:12px}.account-title-line{align-items:flex-start}.account-title-line h2{font-size:25px;line-height:1.1}.account-detail-head p{font-size:13px;line-height:1.45}.mobile-account-hero{background:#19221d;color:#fff;border-radius:16px;padding:14px;margin:4px 0 14px;justify-content:space-around;box-shadow:var(--shadow)}.mobile-account-hero>div{display:grid;place-items:center;gap:2px;min-width:0}.mobile-account-hero strong{font-size:22px}.mobile-account-hero span{font-size:10px;color:#b9c9bf;text-transform:uppercase;letter-spacing:.05em}.device-workspace{background:transparent;border:0;box-shadow:none;overflow:visible}.device-workspace>.panel-head{background:transparent;padding:4px 0 10px;border:0}.device-workspace>.panel-head h3{font-size:18px}.mobile-device-list{gap:11px}.mobile-device-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:15px;box-shadow:0 5px 20px rgba(13,25,18,.06)}.mobile-device-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.mobile-device-card h3{margin:0;font-size:18px}.mobile-device-card-head p{margin:3px 0 0;color:var(--muted);font-size:12px}.mobile-device-meta{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.mobile-device-meta span{font-size:11px;padding:5px 8px;border-radius:8px;background:#f1f4f2;color:#56635b;max-width:100%;overflow-wrap:anywhere}.mobile-device-actions{display:grid;grid-template-columns:1fr auto;gap:8px}.mobile-device-actions .btn{min-height:48px}.mobile-device-actions .mobile-join{grid-column:1/-1;font-size:16px;letter-spacing:.03em}.mobile-device-actions .compact-edit{min-width:76px}.mobile-device-actions>.btn-ghost:nth-child(2):last-child{grid-column:1/-1}
  .mobile-audit-list{gap:10px}.mobile-audit-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px;box-shadow:0 4px 16px rgba(13,25,18,.05)}.mobile-audit-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:9px}.mobile-audit-card>strong{display:block;font-size:15px}.mobile-audit-card p{margin:8px 0;color:#4d5a52;font-size:12px;line-height:1.4}.mobile-audit-card small{color:var(--muted);font-size:10px}.modal-backdrop{align-items:end;padding:0}.modal{width:100%;max-height:88vh;border-radius:20px 20px 0 0}.modal-head{padding:16px}.modal-body{padding:16px}.grid2{grid-template-columns:1fr}.form-actions{display:grid;grid-template-columns:1fr;gap:8px}.form-actions .btn{min-height:48px}.detail-list>div{grid-template-columns:95px 1fr}.toast{left:12px;right:12px;bottom:80px;max-width:none;text-align:center}.auth-wrap{padding:14px}.auth-card{padding:24px;border-radius:20px}.check-list{grid-template-columns:1fr}
}
@media(max-width:390px){.cards{grid-template-columns:1fr}.mobile-device-actions{grid-template-columns:1fr}.mobile-device-actions .btn{grid-column:1!important}.mobile-account-actions{display:grid;grid-template-columns:1fr}.mobile-account-stats{align-items:flex-start;flex-direction:column;gap:5px}}