/* WebKet Invoice — brand styles (light theme, matching webket.in) */
:root{
  --ivory:#FBFAF6; --paper:#FFFFFF; --ink:#0A1020; --ink2:#3A4356; --muted:#6B7488;
  --line:#E6E3DA; --cobalt:#1B4DFF; --cobalt-soft:#EDF1FF; --navy:#25507F;
  --amber:#FF7A2F; --amber-soft:#FFF1E8; --teal:#0FA98A; --teal-soft:#E8F8F3;
  --red:#C8341A; --red-soft:#FFF0EC;
  --radius:14px; --shadow:0 14px 40px -24px rgba(10,16,32,.35);
  --font:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--cobalt);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.2}
h1{font-size:25px}h2{font-size:19px}h3{font-size:16px}
img{max-width:100%}
.muted{color:var(--muted)}
.small{font-size:13px}
.right{text-align:right}.center{text-align:center}
.nowrap{white-space:nowrap}

/* ---------- layout ---------- */
.topbar{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar-in{max-width:1180px;margin:0 auto;padding:0 20px;height:62px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .dot{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--navy),var(--cobalt));
  color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.nav{display:flex;gap:2px;margin-left:12px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:9px;color:var(--ink2);font-weight:500;font-size:14px}
.nav a:hover{background:rgba(10,16,32,.05);text-decoration:none}
.nav a.on{background:var(--cobalt-soft);color:var(--cobalt);font-weight:600}
.topbar .spacer{margin-left:auto}
.wrap{max-width:1180px;margin:0 auto;padding:22px 20px 60px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}

/* ---------- cards & tables ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card + .card{margin-top:16px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat .l{font-size:12.5px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.stat .v{font-size:27px;font-weight:700;letter-spacing:-.03em;margin-top:6px}
.stat .s{font-size:13px;color:var(--muted);margin-top:2px}
.stat.red .v{color:var(--red)}.stat.green .v{color:var(--teal)}

table{width:100%;border-collapse:collapse}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
tbody tr:hover{background:#FCFCFA}
tfoot td{border-bottom:none;font-weight:600}
.table-wrap{overflow-x:auto}

/* ---------- forms ---------- */
label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:12px}
input,select,textarea{width:100%;font:inherit;font-size:14.5px;color:var(--ink);background:var(--ivory);
  border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin-top:5px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cobalt);background:#fff;box-shadow:0 0 0 3px rgba(27,77,255,.12)}
textarea{min-height:84px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:0 16px}
fieldset{border:0;padding:0;margin:0 0 6px}
.sec{font-size:13px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--cobalt);margin:18px 0 10px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);text-decoration:none}
.btn:hover{border-color:var(--ink);text-decoration:none}
.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-primary:hover{background:var(--cobalt);border-color:var(--cobalt)}
.btn-wa{background:#25D366;border-color:#25D366;color:#06301a}
.btn-danger{color:var(--red);border-color:#F3C8BE}
.btn-danger:hover{background:var(--red-soft);border-color:var(--red)}
.btn-sm{padding:6px 11px;font-size:13px}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* ---------- badges & messages ---------- */
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap}
.b-draft{background:#EFEFEA;color:#5C6472}
.b-sent{background:var(--cobalt-soft);color:var(--cobalt)}
.b-partly{background:var(--amber-soft);color:#A8450E}
.b-paid{background:var(--teal-soft);color:#0B6B57}
.b-overdue{background:var(--red-soft);color:var(--red)}
.b-cancelled{background:#EFEFEA;color:#8A8F99;text-decoration:line-through}
.msg{padding:11px 14px;border-radius:11px;margin-bottom:14px;font-size:14px}
.msg.ok{background:var(--teal-soft);color:#0B6B57;border:1px solid #BCE8DA}
.msg.err{background:var(--red-soft);color:var(--red);border:1px solid #F6CDC2}
.msg.warn{background:var(--amber-soft);color:#A8450E;border:1px solid #FAD6BF}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}

/* ---------- login / install ---------- */
.auth-body{display:grid;place-items:center;min-height:100vh;padding:24px;
  background:radial-gradient(800px 500px at 80% 0%,rgba(27,77,255,.10),transparent 60%),
             radial-gradient(700px 500px at 0% 100%,rgba(255,122,47,.12),transparent 60%),var(--ivory)}
.auth-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px;width:100%;max-width:400px;box-shadow:var(--shadow)}
.auth-card.wide{max-width:680px}
.auth-title{font-size:22px;margin-bottom:6px}
.steps{padding-left:20px;font-size:14px}
.codeblock{background:#0A1020;color:#D8E2FF;padding:14px;border-radius:10px;overflow:auto;font-size:13px}

/* ---------- invoice line editor ---------- */
.items-table input,.items-table select{margin-top:0}
.items-table td{padding:7px 6px}
.items-table .col-desc{min-width:240px}
.items-table .col-num{width:92px}
.items-table .col-rate{width:120px}
.items-table .col-gst{width:92px}
.items-table .col-amt{width:120px;text-align:right;font-weight:600;white-space:nowrap}
.items-table .col-x{width:38px}
.link-x{border:0;background:none;color:var(--red);cursor:pointer;font-size:18px;line-height:1}
.totals{margin-left:auto;max-width:360px}
.totals div{display:flex;justify-content:space-between;padding:6px 0;font-size:14.5px}
.totals .grand{border-top:2px solid var(--ink);margin-top:6px;padding-top:10px;font-size:19px;font-weight:700}

/* ---------- printable invoice ---------- */
.sheet{background:#fff;color:#0A1020;max-width:860px;margin:0 auto;padding:40px;border:1px solid var(--line);border-radius:12px}
.sheet h1{font-size:28px;letter-spacing:-.03em}
.inv-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;border-bottom:2px solid var(--ink);padding-bottom:18px}
.inv-head .logo{max-height:70px;max-width:230px}
.co-name{font-size:21px;font-weight:700;letter-spacing:-.02em}
.inv-meta{text-align:right;font-size:13.5px}
.inv-meta .num{font-size:19px;font-weight:700;letter-spacing:-.02em}
.parties{display:flex;gap:30px;margin:22px 0 18px}
.parties > div{flex:1}
.party-label{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.sheet table.lines th{background:#F4F6FB;color:var(--ink);border-bottom:1px solid var(--line);font-size:11.5px}
.sheet table.lines td{font-size:14px}
.sheet .bank{display:flex;gap:30px;margin-top:22px;font-size:13.5px}
.sheet .sign{margin-top:36px;text-align:right;font-size:13.5px}
.sheet .words{background:#F8F9FC;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:13.5px;margin-top:14px}
.paid-stamp{display:inline-block;border:3px solid var(--teal);color:var(--teal);font-weight:700;letter-spacing:.14em;
  padding:6px 16px;border-radius:8px;transform:rotate(-6deg);font-size:16px}

@media (max-width:860px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
  .parties{flex-direction:column;gap:14px}
  .sheet{padding:22px}
  .topbar-in{height:auto;padding:10px 16px;flex-wrap:wrap}
  .nav{margin-left:0;width:100%}
}

@media print{
  @page{size:A4;margin:12mm}
  body{background:#fff}
  .topbar,.no-print,.wrap > .page-head,.btn-row{display:none !important}
  .wrap{padding:0;max-width:none}
  .sheet{border:0;border-radius:0;padding:0;max-width:none;box-shadow:none}
  a{color:inherit;text-decoration:none}
}