/* ==========================================================
   SHREE ENTERPRISES — Dealer Management System
   Theme: "Charge" — deep navy chrome, voltage amber signal
   ========================================================== */

:root{
  --ink:#0A1730;
  --ink-2:#132A52;
  --canvas:#EEF2F8;
  --card:#FFFFFF;
  --line:#DFE6F1;
  --text:#16233B;
  --muted:#6B7A94;
  --blue:#1256E0;
  --blue-soft:#E7EFFE;
  --volt:#FFC531;
  --green:#0E9F6E;
  --green-soft:#E6F6EF;
  --red:#DC2626;
  --red-soft:#FDECEC;
  --r:14px;
  --sb:250px;
  --shadow:0 1px 2px rgba(10,23,48,.05), 0 8px 24px rgba(10,23,48,.06);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--canvas); color:var(--text);
  font-size:14.5px; line-height:1.5;
  -webkit-text-size-adjust:100%;
}
h1,h2,h3,h4,.num,.brandmark{font-family:'Sora','Inter',sans-serif;letter-spacing:-.02em}
a{color:var(--blue);text-decoration:none}
:focus-visible{outline:3px solid var(--volt);outline-offset:2px;border-radius:6px}

/* ---------------- SIDEBAR ---------------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sb);z-index:60;
  background:linear-gradient(168deg,var(--ink) 0%,var(--ink-2) 100%);
  color:#C7D4EA;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .22s ease;
}
.sidebar.open{transform:translateX(0)}
.sb-head{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brandmark{color:#fff;font-size:17px;font-weight:700;line-height:1.15;display:block}
.brandmark span{color:var(--volt)}
.sb-sub{font-size:11.5px;color:#8FA3C4;margin-top:4px}
.sb-nav{padding:12px 10px;overflow-y:auto;flex:1}
.sb-group{font-size:10.5px;color:#66799B;margin:16px 10px 6px;letter-spacing:.08em}
.sb-nav a{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:#C7D4EA;font-size:14px;font-weight:500;margin-bottom:2px;
}
.sb-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.sb-nav a.active{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(18,86,224,.35)}
.sb-nav a i{width:18px;text-align:center;font-size:15px;opacity:.9}
.sb-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#8FA3C4}
.sb-foot a{color:#FF9A9A}
.scrim{position:fixed;inset:0;background:rgba(10,23,48,.5);z-index:55;display:none}
.scrim.show{display:block}

/* ---------------- TOPBAR ---------------- */
.topbar{
  position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;padding:10px 14px;
}
.burger{background:var(--canvas);border:1px solid var(--line);width:38px;height:38px;border-radius:10px;font-size:17px;color:var(--ink)}
.page-title{font-size:16px;font-weight:600;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who{display:flex;align-items:center;gap:9px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:600;font-size:13px}
.who-txt{display:none;line-height:1.2}
.who-txt b{display:block;font-size:13px}
.who-txt small{color:var(--muted);font-size:11px}

/* ---------------- LAYOUT ---------------- */
.main{min-height:100vh;padding-bottom:78px}
.wrap{padding:16px 14px}

/* ---------------- CARDS / STATS ---------------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-head{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-head h3{margin:0;font-size:15px;font-weight:600;flex:1}
.card-body{padding:16px}

.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:11px;margin-bottom:16px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;
  position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.stat:before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}
.stat.s-green:before{background:var(--green)} .stat.s-red:before{background:var(--red)}
.stat.s-volt:before{background:var(--volt)} .stat.s-ink:before{background:var(--ink)}
.stat label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:6px;font-weight:500}
.stat .num{font-size:21px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.stat .sub{font-size:11.5px;color:var(--muted);margin-top:4px}

/* ---------------- TABLE ---------------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
table.tbl th{
  text-align:left;padding:11px 12px;background:#F7F9FC;color:var(--muted);
  font-weight:600;font-size:11.5px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.tbl td{padding:11px 12px;border-bottom:1px solid #EEF2F7;vertical-align:middle}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tbody tr:hover{background:#FAFBFE}
.num-col{text-align:right;font-variant-numeric:tabular-nums;font-family:'Sora',sans-serif}
.empty{padding:44px 20px;text-align:center;color:var(--muted)}
.empty i{font-size:30px;color:#C3CEE0;display:block;margin-bottom:10px}

/* ---------------- BADGES ---------------- */
.badge{display:inline-block;padding:3.5px 9px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.b-green{background:var(--green-soft);color:#07684A}
.b-blue{background:var(--blue-soft);color:#0B3C9E}
.b-red{background:var(--red-soft);color:#9B1C1C}
.b-grey{background:#EEF2F7;color:#5A6A85}
.b-volt{background:#FFF4D6;color:#8A6200}

/* ---------------- FORMS ---------------- */
.form-grid{display:grid;grid-template-columns:1fr;gap:13px}
.fld label{display:block;font-size:12.5px;font-weight:600;color:#3D4D69;margin-bottom:5px}
.fld input,.fld select,.fld textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--text);
}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
.fld input[readonly]{background:#F5F7FB;color:var(--muted)}
.hint{font-size:11.5px;color:var(--muted);margin-top:4px}
.sep{grid-column:1/-1;border-top:1px dashed var(--line);margin:4px 0 0;padding-top:12px;font-weight:600;font-size:13px;color:var(--ink)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 18px;border-radius:10px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;font-family:inherit;cursor:pointer;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(18,86,224,.28)}
.btn-primary:hover{background:#0F49C2}
.btn-dark{background:var(--ink);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-light{background:#fff;border-color:var(--line);color:var(--text)}
.btn-light:hover{background:#F7F9FC}
.btn-sm{padding:7px 12px;font-size:12.5px;border-radius:8px}
.btn-block{width:100%}
.btn-wa{background:#25D366;color:#fff}
.actions{display:flex;gap:8px;flex-wrap:wrap}

.alert{padding:12px 14px;border-radius:11px;margin-bottom:14px;font-size:13.5px;font-weight:500;border:1px solid}
.alert-success{background:var(--green-soft);border-color:#B9E6D3;color:#07684A}
.alert-danger{background:var(--red-soft);border-color:#F6C9C9;color:#9B1C1C}
.alert-info{background:var(--blue-soft);border-color:#C3D8FB;color:#0B3C9E}

/* toolbar */
.toolbar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:14px}
.toolbar input,.toolbar select{padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff;flex:1;min-width:140px}

/* segmented control (purchase type) */
.seg{display:flex;gap:8px}
.seg input{position:absolute;opacity:0;width:0}
.seg label{
  flex:1;text-align:center;padding:12px 8px;border:1.5px solid var(--line);border-radius:11px;
  cursor:pointer;font-size:13.5px;font-weight:600;color:var(--muted);background:#fff;margin:0;
}
.seg input:checked + label{border-color:var(--blue);background:var(--blue-soft);color:#0B3C9E}
.seg input:focus-visible + label{outline:3px solid var(--volt)}

/* ---------------- BOTTOM NAV (mobile) ---------------- */
.botnav{
  position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;
  border-top:1px solid var(--line);display:flex;padding:6px 4px 8px;
  box-shadow:0 -4px 20px rgba(10,23,48,.07);
}
.botnav a{
  flex:1;text-align:center;color:var(--muted);font-size:10.5px;font-weight:600;
  padding:5px 2px;border-radius:10px;
}
.botnav a i{display:block;font-size:18px;margin-bottom:3px}
.botnav a.active{color:var(--blue)}
.botnav a.fab i{
  background:var(--blue);color:#fff;width:42px;height:42px;line-height:42px;border-radius:50%;
  margin:-16px auto 3px;box-shadow:0 8px 18px rgba(18,86,224,.4);
}
.botnav a.fab.active i{background:var(--ink)}

/* ---------------- LOGIN ---------------- */
.login-page{
  min-height:100vh;display:grid;place-items:center;padding:24px 18px;
  background:radial-gradient(1100px 520px at 10% -5%, #1B3E7A 0%, var(--ink) 55%, #060E1D 100%);
}
.login-box{width:100%;max-width:400px}
.login-brand{text-align:center;margin-bottom:22px;color:#fff}
.login-brand .brandmark{font-size:27px}
.login-brand p{color:#93A7C9;font-size:13px;margin:7px 0 0}
.login-card{background:#fff;border-radius:18px;padding:24px 20px;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.login-card h2{margin:0 0 4px;font-size:19px}
.login-card .lead{color:var(--muted);font-size:13px;margin:0 0 18px}
.demo-note{margin-top:16px;padding:11px 13px;background:#F7F9FC;border:1px dashed var(--line);border-radius:11px;font-size:12.5px;color:var(--muted)}

/* ---------------- INVOICE PRINT ---------------- */
.inv-sheet{background:#fff;max-width:820px;margin:0 auto;padding:26px;border:1px solid var(--line);border-radius:var(--r)}
.inv-top{display:flex;justify-content:space-between;gap:18px;border-bottom:2.5px solid var(--ink);padding-bottom:14px}
.inv-firm{font-family:'Sora';font-size:24px;font-weight:700;color:var(--ink);line-height:1.1}
.inv-firm span{color:var(--volt)}
.inv-meta{text-align:right;font-size:12.5px;color:var(--muted)}
.inv-meta b{color:var(--text);font-size:15px;display:block;font-family:'Sora'}
.inv-cols{display:grid;grid-template-columns:1fr;gap:14px;margin:16px 0}
.inv-block{background:#F7F9FC;border-radius:11px;padding:13px;font-size:13px}
.inv-block h4{margin:0 0 7px;font-size:11.5px;color:var(--muted);font-weight:600}
.inv-tot{margin-left:auto;max-width:340px;font-size:13.5px}
.inv-tot div{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line)}
.inv-tot .grand{border:0;background:var(--ink);color:#fff;padding:11px 13px;border-radius:10px;margin-top:8px;font-family:'Sora';font-size:16px;font-weight:700}
.qr-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;border-top:1px dashed var(--line);padding-top:16px}
.qr-box{text-align:center;font-size:11px;color:var(--muted);max-width:150px}
.qr-box img{width:118px;height:118px;display:block;margin:0 auto 6px;border:1px solid var(--line);border-radius:8px;padding:5px;background:#fff}
.sign{margin-top:26px;text-align:right;font-size:12.5px;color:var(--muted)}

/* ---------------- RESPONSIVE ---------------- */
@media (min-width:600px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .form-grid{grid-template-columns:1fr 1fr}
  .who-txt{display:block}
  .wrap{padding:20px}
  .inv-cols{grid-template-columns:1fr 1fr}
}
@media (min-width:992px){
  .sidebar{transform:translateX(0)}
  .scrim{display:none !important}
  .main{margin-left:var(--sb);padding-bottom:24px}
  .topbar{padding:12px 22px}
  .burger{display:none}
  .botnav{display:none}
  .stats{grid-template-columns:repeat(4,1fr)}
  .wrap{padding:24px}
  .form-grid{grid-template-columns:repeat(3,1fr)}
  .fld.wide{grid-column:span 2}
}

@media print{
  .sidebar,.topbar,.botnav,.no-print,.scrim{display:none !important}
  .main{margin:0;padding:0}
  .wrap{padding:0}
  body{background:#fff}
  .inv-sheet{border:0;max-width:100%;padding:0;border-radius:0}
  @page{margin:12mm}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}