:root{
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --surface-tint:#F1F6F2;
  --ink:#0F1B14;
  --muted:#5E6B62;
  --muted-2:#98A59C;
  --border:#E6E3D8;
  --border-soft:#EEEBE0;

  --green:#12965A;
  --green-dark:#0B6E40;
  --green-soft:#E1F4EA;
  --blue:#1B3F8B;
  --blue-soft:#E7ECF8;
  --red:#B23B2C;
  --red-soft:#F8E4DF;
  --amber:#A97418;
  --amber-soft:#F7ECD5;

  --rail:#0F1B14;
  --rail-ink:#EAF3EC;
  --rail-muted:#7C917F;
  --rail-active:#17281C;

  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;

  --shadow-sm:0 2px 10px rgba(20,35,25,.06);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  font-size:14px;
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.num{font-family:'Red Hat Display',system-ui,sans-serif;}
button{font-family:inherit;}
a{color:inherit;}
::selection{background:var(--green-soft);}

/* ---------------- Auth screen ---------------- */
#auth-screen{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.auth-card{
  width:100%;
  max-width:380px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:36px 32px;
  box-shadow:var(--shadow-sm);
}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:4px;}
.auth-brand img{height:28px;}
.auth-brand-name{font-weight:700;font-size:16px;letter-spacing:.2px;}
.auth-sub{color:var(--muted);font-size:13px;margin:0 0 26px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;}
.field input{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  font-size:14px;
  background:#fff;
  color:var(--ink);
}
.field input:focus{outline:2px solid var(--green);outline-offset:-1px;}
.btn{
  border:none;
  border-radius:var(--r-sm);
  padding:10px 16px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
}
.btn:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.btn-primary{background:var(--ink);color:#fff;width:100%;margin-top:6px;}
.btn-primary:hover{background:#000;}
.btn-primary:disabled{opacity:.5;cursor:default;}
.auth-error{
  background:var(--red-soft);color:var(--red);
  padding:9px 11px;border-radius:var(--r-sm);
  font-size:12.5px;margin-bottom:14px;display:none;
}
.auth-error.show{display:block;}

/* ---------------- Shell ---------------- */
#app-shell{display:none;min-height:100vh;}
#app-shell.show{display:flex;}

.rail{
  width:220px;
  flex-shrink:0;
  background:var(--rail);
  color:var(--rail-ink);
  display:flex;
  flex-direction:column;
  padding:20px 14px;
  position:sticky;
  top:0;
  height:100vh;
}
.rail-brand{display:flex;align-items:center;gap:9px;padding:6px 8px 22px;}
.rail-brand img{height:22px;}
.rail-brand span{font-weight:700;font-size:15px;}
.rail-tag{font-size:11px;color:var(--rail-muted);padding:0 8px 18px;margin-top:-14px;}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r-sm);
  color:var(--rail-muted);font-size:13.5px;font-weight:500;
  cursor:pointer;margin-bottom:2px;
  border:none;background:none;width:100%;text-align:left;
}
.nav-item .material-symbols-rounded{font-size:19px;}
.nav-item:hover{color:var(--rail-ink);}
.nav-item.active{background:var(--rail-active);color:var(--rail-ink);}
.rail-foot{margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);}
.rail-user{padding:8px;font-size:12.5px;color:var(--rail-muted);}
.rail-user b{color:var(--rail-ink);display:block;font-size:13px;font-weight:600;}
.role-chip{
  display:inline-block;font-size:10.5px;font-weight:700;
  padding:2px 7px;border-radius:99px;margin-top:4px;
  background:rgba(255,255,255,.1);color:var(--rail-ink);
}

.main{flex:1;min-width:0;padding:28px 36px 60px;}
.page{display:none;}
.page.active{display:block;}
.page-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px;}
.page-head h1{font-size:22px;margin:0;}
.page-head p{color:var(--muted);font-size:13px;margin:3px 0 0;}

/* ---------------- Stat tiles ---------------- */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:28px;}
.stat{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);padding:16px 16px 14px;
}
.stat .num{font-size:26px;font-weight:700;line-height:1;}
.stat .lbl{font-size:12px;color:var(--muted);margin-top:6px;}
.stat.accent{background:var(--ink);border-color:var(--ink);}
.stat.accent .num,.stat.accent .lbl{color:var(--rail-ink);}
.stat.accent .lbl{color:var(--rail-muted);}

.panel{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;margin-bottom:24px;
}
.panel-head{
  padding:14px 18px;border-bottom:1px solid var(--border-soft);
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
.panel-head h3{font-size:14.5px;margin:0;}

/* ---------------- Tables ---------------- */
table{width:100%;border-collapse:collapse;}
th{
  text-align:left;font-size:11.5px;color:var(--muted);
  font-weight:600;padding:10px 18px;border-bottom:1px solid var(--border-soft);
  white-space:nowrap;
}
td{padding:12px 18px;border-bottom:1px solid var(--border-soft);font-size:13.5px;vertical-align:middle;}
tr:last-child td{border-bottom:none;}
tr.clickable{cursor:pointer;}
tr.clickable:hover{background:var(--surface-tint);}
.cell-muted{color:var(--muted);}
.cell-name{font-weight:600;}
.cell-sub{color:var(--muted);font-size:12px;margin-top:1px;}

.badge{
  display:inline-block;padding:3px 9px;border-radius:99px;
  font-size:11px;font-weight:600;
}
.badge-trialing{background:var(--amber-soft);color:var(--amber);}
.badge-active{background:var(--green-soft);color:var(--green-dark);}
.badge-past_due{background:var(--amber-soft);color:var(--amber);}
.badge-suspended{background:var(--red-soft);color:var(--red);}
.badge-cancelled{background:var(--border-soft);color:var(--muted);}

.empty-row td{padding:28px;text-align:center;color:var(--muted-2);}

/* ---------------- Filters / search ---------------- */
.filter-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.search-input{
  padding:8px 12px;border:1px solid var(--border);border-radius:var(--r-sm);
  font-size:13px;min-width:220px;background:#fff;
}
.chip{
  padding:6px 12px;border-radius:99px;border:1px solid var(--border);
  background:#fff;font-size:12.5px;cursor:pointer;color:var(--muted);
}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* ---------------- Drawer (tenant detail) ---------------- */
#overlay{
  position:fixed;inset:0;background:rgba(15,27,20,.35);
  display:none;z-index:40;
}
#overlay.show{display:block;}
#drawer{
  position:fixed;top:0;right:0;height:100vh;width:min(480px,100vw);
  background:var(--surface);z-index:41;
  transform:translateX(100%);transition:transform .22s ease;
  display:flex;flex-direction:column;
}
#drawer.show{transform:translateX(0);}
.drawer-head{
  padding:20px 22px;border-bottom:1px solid var(--border-soft);
  display:flex;align-items:flex-start;justify-content:space-between;gap:10px;
}
.drawer-head h2{font-size:18px;margin:0 0 3px;}
.drawer-head p{margin:0;color:var(--muted);font-size:12.5px;}
.drawer-close{background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;}
.drawer-body{padding:20px 22px;overflow-y:auto;flex:1;}
.drawer-section{margin-bottom:22px;}
.drawer-section h4{font-size:11.5px;text-transform:none;color:var(--muted);margin:0 0 10px;font-weight:600;}
.kv-row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--border-soft);font-size:13px;}
.kv-row:last-child{border-bottom:none;}
.kv-row .k{color:var(--muted);}
.kv-row .v{font-weight:600;}

.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.action-btn{
  border:1px solid var(--border);background:#fff;border-radius:var(--r-sm);
  padding:9px 10px;font-size:12.5px;font-weight:600;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:7px;color:var(--ink);
}
.action-btn:hover{border-color:var(--ink);}
.action-btn.danger{color:var(--red);}
.action-btn.danger:hover{border-color:var(--red);}
.action-btn .material-symbols-rounded{font-size:17px;}

.mini-form{margin-top:10px;padding:12px;background:var(--surface-tint);border-radius:var(--r-sm);display:none;}
.mini-form.show{display:block;}
.mini-form label{font-size:11.5px;color:var(--muted);display:block;margin-bottom:4px;}
.mini-form input,.mini-form select,.mini-form textarea{
  width:100%;padding:7px 9px;border:1px solid var(--border);border-radius:6px;font-size:13px;margin-bottom:8px;
  font-family:inherit;
}
.mini-form .row{display:flex;gap:8px;}
.mini-form .row .btn{flex:1;padding:8px;font-size:12.5px;}
.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--ink);}
.btn-dark{background:var(--ink);color:#fff;}

.invoice-mini{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--border-soft);font-size:12.5px;}
.invoice-mini:last-child{border-bottom:none;}

.toast{
  position:fixed;bottom:22px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:11px 18px;border-radius:99px;
  font-size:13px;z-index:60;opacity:0;pointer-events:none;transition:opacity .18s ease, transform .18s ease;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px);}
.toast.err{background:var(--red);}

.stub{
  padding:60px 20px;text-align:center;color:var(--muted);
  border:1px dashed var(--border);border-radius:var(--r-md);background:var(--surface);
}
.stub .material-symbols-rounded{font-size:34px;color:var(--muted-2);margin-bottom:10px;}

.add-admin-form{display:flex;gap:8px;flex-wrap:wrap;padding:14px 18px;border-bottom:1px solid var(--border-soft);}
.add-admin-form input{padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:13px;flex:1;min-width:180px;}
.add-admin-form select{padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:13px;}

@media (max-width: 760px){
  .rail{position:fixed;left:0;bottom:0;top:auto;width:100%;height:auto;flex-direction:row;
    align-items:center;justify-content:space-around;padding:8px;z-index:30;}
  .rail-brand,.rail-tag,.rail-foot{display:none;}
  .nav-item{flex-direction:column;font-size:10px;gap:2px;padding:6px 8px;width:auto;}
  #app-shell.show{flex-direction:column;}
  .main{padding:20px 16px 90px;width:100%;}
  #drawer{width:100vw;}
  .action-grid{grid-template-columns:1fr;}
}