/* Ek hi jagah se poore system ka look. */
:root{
  --ink:#0f172a; --ink2:#475569; --ink3:#94a3b8;
  --bg:#f6f7f9; --card:#fff; --line:#e4e8ee;
  --brand:#0f766e; --brand-soft:#ccfbf1;
  --ok:#047857; --ok-bg:#ecfdf5;
  --warn:#b45309; --warn-bg:#fffbeb;
  --bad:#b91c1c; --bad-bg:#fef2f2;
  --r:10px; --shadow:0 1px 2px rgba(15,23,42,.05),0 4px 12px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* nav */
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav-in{max-width:1200px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:22px;height:56px}
.brand{font-weight:700;font-size:16px;color:var(--ink)}
.nav-links{display:flex;gap:2px;flex:1;overflow-x:auto}
.nav-links a{padding:8px 13px;border-radius:8px;color:var(--ink2);font-size:14.5px;
  font-weight:500;white-space:nowrap}
.nav-links a:hover{background:#f1f5f9;text-decoration:none}
.nav-links a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink3);white-space:nowrap}
.linkbtn{background:none;border:0;color:var(--ink3);cursor:pointer;font-size:13px;padding:0}
.linkbtn:hover{color:var(--bad)}

.wrap{max-width:1200px;margin:0 auto;padding:22px 18px 60px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
h1{font-size:21px;margin:0;letter-spacing:-.01em}
h2{font-size:15px;margin:0}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 18px;box-shadow:var(--shadow)}
.card-label{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink3);font-weight:600}
.card-value{font-size:24px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
.card-sub{font-size:12.5px;color:var(--ink3);margin-top:3px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:860px){.grid-2{grid-template-columns:1fr}}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;border-bottom:1px solid var(--line);font-size:13px}
.panel-body{padding:18px}
.empty{padding:26px 18px;text-align:center;color:var(--ink3);font-size:14px;margin:0}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;padding:10px 18px;font-size:11.5px;text-transform:uppercase;
  letter-spacing:.05em;color:var(--ink3);font-weight:600;background:#fafbfc;
  border-bottom:1px solid var(--line)}
.tbl td{padding:11px 18px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:#fafbfc}
.right{text-align:right}
.muted{color:var(--ink3);font-size:12.5px}
.text-warn{color:var(--warn)}
.text-bad{color:var(--bad)}
.text-ok{color:var(--ok)}

/* badges — status ka rang har jagah ek jaisa */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge-ok{color:var(--ok);background:var(--ok-bg)}
.badge-warn{color:var(--warn);background:var(--warn-bg)}
.badge-bad{color:var(--bad);background:var(--bad-bg)}
.badge-info{color:var(--brand);background:var(--brand-soft)}

/* forms */
label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin:0 0 6px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-soft)}
input[readonly]{background:#f8fafc;color:var(--ink2)}
.field{margin-bottom:15px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:640px){.row,.row-3{grid-template-columns:1fr}}
.help{font-size:12.5px;color:var(--ink3);margin-top:5px}

.btn{display:inline-block;padding:10px 17px;border:1px solid var(--line);background:#fff;
  color:var(--ink);border-radius:8px;font-size:14.5px;font-weight:600;cursor:pointer;
  font-family:inherit;text-align:center}
.btn:hover{background:#f8fafc;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:#115e56}
.btn-danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn-full{width:100%}
.btn-sm{padding:6px 12px;font-size:13px}

.alert{padding:11px 15px;border-radius:8px;font-size:14px;margin-bottom:16px}
.alert-ok{background:var(--ok-bg);color:var(--ok);border:1px solid #a7f3d0}
.alert-warn{background:var(--warn-bg);color:var(--warn);border:1px solid #fde68a}
.alert-bad{background:var(--bad-bg);color:var(--bad);border:1px solid #fecaca}

/* login */
.login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;
  width:100%;max-width:380px;box-shadow:0 4px 24px rgba(15,23,42,.07)}
.login-box h1{font-size:20px;margin:0 0 3px}
.login-box .sub{color:var(--ink3);font-size:14px;margin:0 0 20px}
.login-box label{margin-top:14px}
.login-box .btn{margin-top:22px}
.hint{font-size:12px;color:var(--ink3);margin-top:18px;text-align:center}

.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.toolbar input,.toolbar select{width:auto;min-width:180px;flex:1}

/* ---- POS ---- */
.pos-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
@media(max-width:900px){.pos-grid{grid-template-columns:1fr}}
.results{margin-top:12px;max-height:60vh;overflow-y:auto}
.res-item{display:flex;justify-content:space-between;gap:12px;padding:11px 13px;
  border:1px solid var(--line);border-radius:8px;margin-bottom:7px;cursor:pointer;background:#fff}
.res-item:hover{border-color:var(--brand);background:#f0fdfa}
.res-item.dim{opacity:.5}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;
  align-items:center;justify-content:center;z-index:100;padding:18px}
.modal-box{background:#fff;border-radius:12px;padding:24px;width:100%;max-width:420px;
  box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal-box h2{font-size:17px;margin:0 0 2px}
.dot{display:inline-block;min-width:18px;padding:0 5px;background:var(--warn);color:#fff;
  border-radius:9px;font-size:11px;font-weight:700;text-align:center;line-height:18px}
textarea{resize:vertical}