:root{
  --ink:#151515; --ink2:#2b2b2b; --paper:#F5F4F1; --card:#fff; --line:#E4E1DB; --mute:#6A6863;
  --red:#A3100F; --red-d:#7E0B0A; --red-s:#FBEBE9;
  --green:#22714A; --green-s:#E5F3EB; --amber:#9A6200; --amber-s:#FDF2DC; --blue:#1F4E8C; --blue-s:#E7EEF8;
  --r:12px; --side:236px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%}
:focus-visible{outline:2.5px solid var(--red);outline-offset:2px;border-radius:6px}
h1{font-size:26px;letter-spacing:-.02em;line-height:1.15}
h2{font-size:18px;letter-spacing:-.01em;margin-bottom:12px}
h3{font-size:15px}
.ic{flex:none}

/* ---------- shell ---------- */
.side{position:fixed;inset:0 auto 0 0;width:var(--side);background:#111;color:#d9d6cf;display:flex;flex-direction:column;padding:22px 14px 16px;z-index:20}
.side-logo img{width:150px;margin:0 8px 26px}
.side nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;text-decoration:none;font-weight:500;color:#cfccc5}
.side nav a:hover{background:#1f1f1f;color:#fff}
.side nav a.on{background:var(--red);color:#fff}
.pill{margin-left:auto;background:#fff;color:var(--red);font-size:12px;border-radius:999px;padding:1px 8px;font-weight:700}
.side nav a.on .pill{background:#fff}
.side-user{display:flex;align-items:center;gap:8px;border-top:1px solid #2a2a2a;padding:14px 6px 0}
.side-user div{flex:1;min-width:0}
.side-user strong{display:block;color:#fff;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-user small{color:#8f8c85;font-size:12.5px}
.side-user a,.side-user button{background:none;border:0;color:#9b978f;cursor:pointer;padding:6px;border-radius:7px;display:grid;place-items:center}
.side-user a:hover,.side-user button:hover{color:#fff;background:#1f1f1f}
.topbar,.tabbar{display:none}
.main{margin-left:var(--side);padding:28px 32px 60px;max-width:1280px}

.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head .sub{color:var(--mute);margin-top:4px;font-size:14px}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- elements ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:14.5px;padding:10px 16px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;cursor:pointer;white-space:nowrap;min-height:42px}
.btn:hover{border-color:#c9c5bd}
.btn-red{background:var(--red);border-color:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d);border-color:var(--red-d)}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--mute)}
.btn-ghost:hover{color:var(--ink);background:#ece9e3}
.btn-danger{color:var(--red);border-color:#e9c9c6;background:#fff}
.btn-danger:hover{background:var(--red-s)}
.btn-sm{padding:6px 11px;min-height:34px;font-size:13.5px}
.btn[disabled]{opacity:.5;pointer-events:none}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card + .card{margin-top:16px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.card-head h2{margin:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;align-items:start}
.muted{color:var(--mute)}
.small{font-size:13px}
.right{text-align:right}
.nowrap{white-space:nowrap}
.mt{margin-top:16px}.mt2{margin-top:24px}
.stack>*+*{margin-top:12px}

.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.kpi span{display:block;color:var(--mute);font-size:13px}
.kpi strong{display:block;font-size:24px;letter-spacing:-.02em;margin-top:4px;line-height:1.2}
.kpi small{display:block;color:var(--mute);font-size:12.5px;margin-top:2px}
.kpi.alert strong{color:var(--red)}
a.kpi{text-decoration:none;color:inherit;display:block}
a.kpi:hover{border-color:#cfcbc3}
.grid>.card,.split>.card{margin-top:0}

.badge{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;white-space:nowrap}
.b-paid,.b-active{background:var(--green-s);color:var(--green)}
.b-partial,.b-due,.b-trial{background:var(--amber-s);color:var(--amber)}
.b-overdue{background:var(--red-s);color:var(--red)}
.b-upcoming,.b-frozen{background:var(--blue-s);color:var(--blue)}
.b-void,.b-stopped{background:#ecebe8;color:#6a6863}

.avatar{border-radius:50%;object-fit:cover;flex:none;background:#eee}
.avatar-i{display:inline-grid;place-items:center;background:#1c1c1c;color:#fff;font-weight:700;letter-spacing:.02em}

table{width:100%;border-collapse:collapse}
th{font-size:12.5px;color:var(--mute);font-weight:600;text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid #efece7;vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr.link{cursor:pointer}
tbody tr.link:hover td{background:#faf9f7}
.table-wrap{overflow-x:auto;margin:0 -20px;padding:0 20px}
td.num,th.num{text-align:right;white-space:nowrap}
.person{display:flex;align-items:center;gap:12px;text-decoration:none}
.person strong{display:block}
.person small{color:var(--mute);font-size:13px}
.empty{padding:28px 10px;text-align:center;color:var(--mute)}

form .row{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
form .row.r3{grid-template-columns:repeat(3,minmax(0,1fr))}
form .row.r1{grid-template-columns:1fr}
label{display:block;font-weight:600;font-size:13.5px;margin-bottom:5px}
label .opt{color:var(--mute);font-weight:400}
input,select,textarea{width:100%;font:inherit;font-size:15px;padding:10px 12px;border:1px solid #d7d3cb;border-radius:9px;background:#fff;color:var(--ink);min-height:44px}
textarea{min-height:84px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(21,21,21,.08)}
input[type=checkbox],input[type=radio]{width:18px;height:18px;min-height:0;accent-color:var(--red)}
.check{display:flex;align-items:center;gap:10px;font-weight:500;margin:0}
.hint{color:var(--mute);font-size:12.5px;margin-top:4px;font-weight:400}
.form-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
fieldset{border:0}
legend{font-weight:700;font-size:15px;margin-bottom:12px;float:left;width:100%;padding:0}
legend+*{clear:both}
.fs + .fs{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}

.flash{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-weight:500}
.flash.ok{background:var(--green-s);color:var(--green)}
.flash.err{background:var(--red-s);color:var(--red)}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.filters input,.filters select{width:auto;min-width:150px;flex:1}
.filters input[type=search]{flex:2;min-width:220px}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs a{padding:10px 14px;text-decoration:none;color:var(--mute);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs a.on{color:var(--ink);border-color:var(--red)}

.profile{display:flex;gap:18px;align-items:center}
.profile h1{font-size:24px}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}
.facts div span{display:block;color:var(--mute);font-size:12.5px}
.facts div strong{font-weight:500;word-break:break-word}
.balance{display:flex;gap:10px;flex-wrap:wrap}
.balance .amt{font-size:22px;font-weight:700;letter-spacing:-.02em}
.balance .amt.red{color:var(--red)}
.balance .amt.green{color:var(--green)}

details.more{border:1px solid var(--line);border-radius:10px;padding:0 14px;background:#fff}
details.more + details.more{margin-top:10px}
details.more summary{cursor:pointer;padding:12px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between}
details.more summary::after{content:"+";color:var(--mute)}
details.more[open] summary::after{content:"–"}
details.more[open]{padding-bottom:14px}

.list-plain{list-style:none}
.list-plain li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid #efece7;align-items:center}
.list-plain li:last-child{border-bottom:0}

/* login */
.login{min-height:100vh;display:grid;place-items:center;background:#111;padding:20px}
.login .box{background:#fff;border-radius:16px;padding:32px 28px;width:100%;max-width:380px}
.login .box img{width:190px;margin:0 auto 24px}
.login .box .btn{width:100%;margin-top:18px}

/* receipt */
.receipt{max-width:520px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.receipt .rh{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;border-bottom:2px solid var(--ink);padding-bottom:16px;margin-bottom:16px}
.receipt .rh img{width:150px}
.receipt .no{font-size:13px;color:var(--mute);text-align:right}
.receipt .no strong{display:block;font-size:18px;color:var(--ink)}
.receipt .total{display:flex;justify-content:space-between;font-size:20px;font-weight:700;border-top:2px solid var(--ink);padding-top:12px;margin-top:8px}
.receipt .void{border:3px solid var(--red);color:var(--red);font-weight:800;text-align:center;padding:8px;border-radius:8px;margin-bottom:16px;letter-spacing:.08em}

/* ---------- mobile ---------- */
@media (max-width:900px){
  .side{display:none}
  .topbar{display:flex;position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);height:56px;align-items:center;justify-content:space-between;padding:0 16px}
  .topbar img{height:30px;width:auto}
  .top-user{width:34px;height:34px;border-radius:50%;background:#151515;color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;text-decoration:none}
  .main{margin:0;padding:18px 16px calc(92px + env(safe-area-inset-bottom))}
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:20}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:#77746e;font-size:11px;font-weight:600;position:relative;padding:4px 0}
  .tabbar a.on{color:var(--red)}
  .tabbar .dot{position:absolute;top:2px;right:calc(50% - 16px);width:8px;height:8px;border-radius:50%;background:var(--red)}
  h1{font-size:22px}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g3,.g2,.split{grid-template-columns:1fr}
  form .row,form .row.r3{grid-template-columns:1fr}
  .card{padding:16px}
  .table-wrap{margin:0 -16px;padding:0 16px}
  .page-head{margin-bottom:16px}
  .page-head .actions{width:100%}
  .page-head .actions .btn{flex:1}
  .facts{grid-template-columns:1fr 1fr}
  .hide-m{display:none}
  .filters input,.filters select{min-width:0;flex:1 1 140px}
  .kpi strong{font-size:20px}
}
@media print{
  .side,.topbar,.tabbar,.no-print,.flash{display:none!important}
  .main{margin:0;padding:0}
  body{background:#fff}
  .receipt{border:0;max-width:none}
}

td a,.list-plain a{text-decoration:none}
td a strong,.list-plain a strong{text-decoration:none}
td a:hover strong,.list-plain a:hover strong{text-decoration:underline}
.sub a{color:inherit}
@media (max-width:900px){
  .profile{gap:12px;align-items:flex-start}
  .profile h1{font-size:20px}
  .profile .avatar{width:52px!important;height:52px!important}
  .sub{font-size:13px;line-height:1.7}
  .main{overflow-x:hidden}
}