:root{
  --brand:#0f766e; --brand-2:#0d9488; --accent:#f59e0b;
  --ink:#0f172a; --muted:#64748b; --canvas:#f1f5f9; --surface:#ffffff;
  --line:#e2e8f0; --success:#16a34a; --warning:#d97706; --danger:#dc2626;
  --info:#2563eb;
  --radius:14px; --radius-sm:10px; --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px -12px rgba(15,23,42,.18);
  --shadow-lg:0 24px 60px -20px rgba(15,23,42,.35);
  --sidebar:264px; --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
[data-theme="dark"]{
  --ink:#e5eaf2; --muted:#94a3b8; --canvas:#0b1120; --surface:#111a2e;
  --line:#1e293b; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-lg:0 30px 70px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{font-family:var(--font);background:var(--canvas);color:var(--ink);
  font-size:14px;margin:0;-webkit-font-smoothing:antialiased}
a{color:var(--brand-2);text-decoration:none}
h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.01em}

/* ---------- layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:linear-gradient(180deg,#0b3b37,#0f766e 60%,#0d5c56);
  color:#d1faf3;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;
  z-index:1050;transition:transform .28s cubic-bezier(.4,0,.2,1);overflow-y:auto}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:18px 20px 14px;
  font-weight:800;font-size:17px;color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar .brand img{width:34px;height:34px;border-radius:9px;object-fit:cover;background:#fff}
.sidebar .brand .logo-fallback{width:34px;height:34px;border-radius:9px;background:#fff;
  color:var(--brand);display:grid;place-items:center;font-weight:900}
.nav-section{padding:14px 14px 4px;font-size:10.5px;text-transform:uppercase;
  letter-spacing:.14em;color:rgba(255,255,255,.45);font-weight:700}
.side-link{display:flex;align-items:center;gap:11px;padding:10px 14px;margin:2px 10px;
  border-radius:10px;color:#cdeee8;font-weight:500;transition:.15s}
.side-link svg{width:18px;height:18px;flex:none;opacity:.9}
.side-link:hover{background:rgba(255,255,255,.1);color:#fff}
.side-link.active{background:#fff;color:var(--brand);font-weight:700;box-shadow:var(--shadow)}
.sidebar .foot{margin-top:auto;padding:14px;font-size:11px;color:rgba(255,255,255,.5)}

.main{flex:1;margin-left:var(--sidebar);min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:1020;background:var(--surface);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;
  padding:12px 20px;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.topbar h1{font-size:17px;margin:0}
.hamburger{display:none;background:none;border:0;color:var(--ink);cursor:pointer}
.content{padding:20px;flex:1}
.searchbox{position:relative;flex:1;max-width:420px}
.searchbox input{width:100%;border:1px solid var(--line);background:var(--canvas);
  border-radius:999px;padding:9px 14px 9px 38px;color:var(--ink);font-size:13px}
.searchbox input:focus{outline:none;border-color:var(--brand-2);background:var(--surface)}
.searchbox svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--muted)}
.search-results{position:absolute;top:110%;left:0;right:0;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);
  overflow:hidden;display:none;z-index:60}
.search-results a{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;
  color:var(--ink);border-bottom:1px solid var(--line)}
.search-results a:hover{background:var(--canvas)}
.search-results .tag{font-size:10px;background:var(--canvas);border:1px solid var(--line);
  padding:2px 8px;border-radius:999px;color:var(--muted)}

.icon-btn{background:var(--canvas);border:1px solid var(--line);color:var(--ink);
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{border-color:var(--brand-2)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:700}

/* ---------- cards / kpi ---------- */
.card2{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)}
.card2 .hd{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:10px}
.card2 .hd h3{font-size:14px;margin:0}
.card2 .bd{padding:16px 18px}
.grid{display:grid;gap:16px}
.kpi-grid{grid-template-columns:repeat(4,1fr)}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi .ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;margin-bottom:12px}
.kpi .ic svg{width:20px;height:20px}
.kpi .lbl{font-size:12px;color:var(--muted);font-weight:600}
.kpi .val{font-size:24px;font-weight:800;margin-top:2px;letter-spacing:-.02em}
.kpi .sub{font-size:11.5px;color:var(--muted);margin-top:4px}
.tint-brand{background:rgba(13,148,136,.12);color:var(--brand)}
.tint-danger{background:rgba(220,38,38,.12);color:var(--danger)}
.tint-warn{background:rgba(217,119,6,.14);color:var(--warning)}
.tint-info{background:rgba(37,99,235,.12);color:var(--info)}
.tint-success{background:rgba(22,163,74,.12);color:var(--success)}

/* ---------- badges / chips ---------- */
.badge2{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:999px;line-height:1.6}
.b-paid,.b-active{background:rgba(22,163,74,.14);color:var(--success)}
.b-unpaid,.b-overdue,.b-inactive{background:rgba(220,38,38,.13);color:var(--danger)}
.b-partial{background:rgba(217,119,6,.16);color:var(--warning)}
.b-none{background:var(--canvas);color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--muted);
  border-radius:999px;padding:6px 14px;font-size:12px;font-weight:600;cursor:pointer}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- buttons ---------- */
.btn2{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);border-radius:10px;padding:8px 14px;
  font-size:13px;font-weight:600;cursor:pointer;transition:.15s;white-space:nowrap}
.btn2:hover{border-color:var(--brand-2)}
.btn2 svg{width:16px;height:16px}
.btn-primary2{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary2:hover{background:var(--brand-2);color:#fff}
.btn-danger2{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted);padding:6px}
.btn-sm2{padding:5px 10px;font-size:12px}
.act{display:inline-flex;gap:4px}
.act .btn2{padding:6px 8px}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto}
table.dt{width:100%;border-collapse:collapse;font-size:13px}
table.dt thead th{text-align:left;padding:11px 12px;color:var(--muted);
  font-size:11px;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--line);
  white-space:nowrap;background:var(--surface)}
table.dt tbody td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
table.dt tbody tr:hover{background:var(--canvas)}
.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.muted{color:var(--muted)}

/* ---------- mobile cards ---------- */
.card-list{display:none;flex-direction:column;gap:12px}
.rcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:14px;animation:fade .3s ease}
.rcard .rc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;
  margin-bottom:8px}
.rcard .rc-title{font-weight:700;font-size:15px}
.rcard .rc-row{display:flex;justify-content:space-between;gap:12px;padding:4px 0;
  font-size:12.5px;border-top:1px dashed var(--line)}
.rcard .rc-row .k{color:var(--muted);font-weight:600}
.rcard .rc-row .v{text-align:right;font-weight:600}
.rcard .rc-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.rcard .rc-actions .btn2{flex:1;justify-content:center}

/* ---------- modal ---------- */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);
  display:none;align-items:flex-start;justify-content:center;z-index:1100;padding:24px 14px;
  overflow-y:auto}
.modal-back.open{display:flex;animation:fade .2s}
.modal2{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  width:100%;max-width:560px;box-shadow:var(--shadow-lg);margin:auto;
  animation:pop .28s cubic-bezier(.34,1.56,.64,1)}
.modal2.lg{max-width:820px}
.modal2 .m-hd{display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line)}
.modal2 .m-hd h3{margin:0;font-size:16px}
.modal2 .m-bd{padding:18px 20px;max-height:70vh;overflow-y:auto}
.modal2 .m-ft{padding:14px 20px;border-top:1px solid var(--line);display:flex;
  justify-content:flex-end;gap:10px}
.x{background:none;border:0;color:var(--muted);cursor:pointer;font-size:22px;line-height:1}

/* ---------- forms ---------- */
.field{margin-bottom:13px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);
  background:var(--canvas);color:var(--ink);border-radius:10px;padding:9px 12px;font-size:13.5px;
  font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;
  border-color:var(--brand-2);background:var(--surface);box-shadow:0 0 0 3px rgba(13,148,136,.12)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.hint{font-size:11px;color:var(--muted);margin-top:4px}
.check{display:flex;align-items:center;gap:8px;font-size:13px}
.check input{width:auto}

/* ---------- misc ---------- */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:18px;flex-wrap:wrap}
.page-head .sub{color:var(--muted);font-size:13px;margin-top:2px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .tb-search{flex:1;min-width:160px;position:relative}
.toolbar .tb-search input{width:100%;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;padding:9px 12px 9px 34px;font-size:13px;color:var(--ink)}
.toolbar .tb-search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);
  width:15px;height:15px;color:var(--muted)}
.flash-wrap{position:fixed;top:16px;right:16px;z-index:1200;display:flex;flex-direction:column;
  gap:10px;max-width:340px}
.flash{padding:12px 16px;border-radius:12px;box-shadow:var(--shadow-lg);font-size:13px;
  font-weight:500;color:#fff;display:flex;gap:10px;animation:slide .3s}
.flash.success{background:var(--success)}.flash.danger{background:var(--danger)}
.flash.warning{background:var(--warning)}.flash.info{background:var(--info)}
.empty{text-align:center;padding:44px 20px;color:var(--muted)}
.empty svg{width:46px;height:46px;opacity:.4;margin-bottom:10px}
.mini-list{list-style:none;margin:0;padding:0}
.mini-list li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;
  border-bottom:1px solid var(--line);font-size:13px}
.mini-list li:last-child{border-bottom:0}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.overlay-scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1040;display:none}

@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@keyframes slide{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media(max-width:1200px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:991px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .hamburger{display:grid;place-items:center}
  .dt-wrap{display:none!important}
  .card-list{display:flex!important}
  .row2,.row3{grid-template-columns:1fr}
  .searchbox{max-width:none}
  .kpi .val{font-size:20px}
}
@media(max-width:520px){
  .kpi-grid{grid-template-columns:1fr 1fr}
  .content{padding:14px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}