:root{
  --bg:#0e1117; --panel:#161b26; --panel-2:#1c2230; --line:#242c3b;
  --ink:#e6e9ef; --muted:#8a93a6; --faint:#5c6478;
  --amber:#f0a818; --amber-dim:#caa24a; --blue:#5b9bd5; --green:#46c08d; --red:#e5484d;
  --r:10px;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"IBM Plex Sans",system-ui,sans-serif;
  --head:"Saira",var(--sans);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--head);font-weight:600;letter-spacing:.01em;margin:0}

.shell{display:grid;grid-template-columns:236px 1fr;min-height:100vh}

/* Sidebar */
.side{background:#0b0e14;border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:20px 18px 16px}
.brand-mark{color:var(--amber);font-size:18px}
.brand-name{font-family:var(--head);font-weight:600;font-size:17px;letter-spacing:.06em}
.brand-sub{color:var(--faint);font-size:11px;letter-spacing:.18em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:2px;padding:8px 10px;flex:1}
.nav-item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:8px;color:var(--muted);font-weight:500;border:1px solid transparent}
.nav-item svg{width:18px;height:18px;flex:none}
.nav-item:hover{background:var(--panel);color:var(--ink)}
.nav-item.active{background:var(--panel-2);color:var(--ink);border-color:var(--line)}
.nav-item.active svg{color:var(--amber)}
.side-foot{padding:14px 16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:8px}
.who-name{font-weight:500;font-size:13px}
.who-role{color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.12em}
.logout{color:var(--muted);font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:7px}
.logout:hover{color:var(--ink);border-color:var(--muted)}

/* Main */
.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px solid var(--line)}
.topbar h1{font-size:21px}
.topbar-actions{display:flex;gap:10px}
.content{padding:24px 28px 56px}

/* Cards / grid */
.grid{display:grid;gap:16px}
.cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.card h2{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-family:var(--sans);font-weight:500}
.stat{font-family:var(--mono);font-size:26px;margin-top:8px}
.stat.sm{font-size:18px}
.stat.amber{color:var(--amber)} .stat.green{color:var(--green)} .stat.blue{color:var(--blue)}
.stat-sub{color:var(--faint);font-size:12px;margin-top:3px}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:15px}
.panel-body{padding:18px}

/* Table */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;color:var(--muted);font-weight:500;font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:11px 18px;border-bottom:1px solid var(--line)}
td{padding:12px 18px;border-bottom:1px solid var(--line)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(255,255,255,.02)}
td.num,th.num{text-align:right;font-family:var(--mono)}
.row-link{cursor:pointer}
.muted{color:var(--muted)} .faint{color:var(--faint)} .mono{font-family:var(--mono)}

/* Badges */
.badge{display:inline-block;font-size:11px;font-weight:500;padding:2px 9px;border-radius:999px;letter-spacing:.04em;border:1px solid}
.badge.active{color:var(--green);border-color:rgba(70,192,141,.4);background:rgba(70,192,141,.08)}
.badge.suspended,.badge.failed,.badge.void{color:var(--red);border-color:rgba(229,72,77,.4);background:rgba(229,72,77,.08)}
.badge.archived,.badge.draft,.badge.queued{color:var(--muted);border-color:var(--line);background:var(--panel-2)}
.badge.issued,.badge.sending{color:var(--amber);border-color:rgba(240,168,24,.4);background:rgba(240,168,24,.08)}
.badge.paid,.badge.delivered,.badge.sent,.badge.completed{color:var(--blue);border-color:rgba(91,155,213,.4);background:rgba(91,155,213,.08)}
.chip{font-family:var(--mono);font-size:11px;color:var(--amber-dim);text-transform:uppercase;letter-spacing:.06em}

/* Buttons */
.btn{font-family:var(--sans);font-size:13px;font-weight:500;padding:8px 15px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);color:var(--ink);cursor:pointer}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--amber);color:#1a1300;border-color:var(--amber)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 11px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;letter-spacing:.02em}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--ink);font-family:var(--sans);font-size:14px;padding:9px 11px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--amber-dim)}
input.mono{font-family:var(--mono)}
input[type=checkbox],input[type=radio]{width:auto;margin:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check{display:flex;align-items:center;gap:8px}
.check input{width:auto}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(6,8,12,.66);display:none;align-items:flex-start;justify-content:center;padding:64px 16px;z-index:50;overflow:auto}
.modal-bg.open{display:flex}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:100%;max-width:520px}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:16px}
.modal-body{padding:20px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
.x{cursor:pointer;color:var(--muted);font-size:20px;line-height:1}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--panel-2);border:1px solid var(--line);color:var(--ink);padding:11px 18px;border-radius:9px;opacity:0;transition:.25s;pointer-events:none;z-index:80;font-size:13px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--red);color:#ffd7d7}
.toast.ok{border-color:var(--green)}

.section-title{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;margin:26px 0 12px;font-weight:500}
.empty{padding:34px;text-align:center;color:var(--faint)}
.split{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;align-items:start}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border:none}
.kv .k{color:var(--muted)}
.back{color:var(--muted);font-size:13px;display:inline-flex;gap:6px;margin-bottom:14px}
.back:hover{color:var(--ink)}

@media(max-width:860px){.shell{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap}.nav{flex-direction:row;flex-wrap:wrap;flex:1}.split,.form-row{grid-template-columns:1fr}}