:root{
  --brand:#0B5D4E; --brand-2:#0E7C63; --accent:#34D399; --charge:#F5A524;
  --ink:#14231f; --muted:#5b6b66; --paper:#F4FAF8; --card:#fff; --line:#e2ebe8;
  --danger:#c0392b; --ok:#0E7C63; --radius:14px;
  --shadow:0 1px 2px rgba(16,40,34,.06),0 6px 20px rgba(16,40,34,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);
  background:var(--paper);line-height:1.5;-webkit-text-size-adjust:100%}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}

/* brand (login card + sidebar + mobile bar) */
.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:#fff;font-size:19px}
.spark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--brand-2));color:#04231b;font-size:17px;flex:none}
.brand small{font-weight:600;opacity:.75;font-size:11px;margin-left:2px}

/* ── Vertical sidebar nav ─────────────────────────────────────────────── */
.nav-toggle{position:absolute}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:236px;position:fixed;top:0;left:0;bottom:0;z-index:40;display:flex;flex-direction:column;
  overflow-y:auto;color:#eafff7;
  background:radial-gradient(600px 300px at 20% -5%,#149a79 0%,rgba(20,154,121,0) 60%),
             linear-gradient(180deg,#0B5D4E 0%,#093f36 100%)}
.side-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:#fff;
  text-decoration:none;padding:18px 16px 12px}
.sidenav{display:flex;flex-direction:column;gap:2px;padding:6px 10px;flex:1}
.sidenav a{display:flex;align-items:center;gap:11px;color:#d3efe5;padding:10px 12px;border-radius:10px;
  font-weight:600;font-size:14.5px;text-decoration:none}
.sidenav a:hover{background:rgba(255,255,255,.10);color:#fff;text-decoration:none}
.sidenav a.on{background:rgba(255,255,255,.17);color:#fff}
.sidenav .ic{width:22px;text-align:center;font-size:16px;flex:none}
.side-foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.14)}
.side-user{font-size:13px;opacity:.85;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-logout{width:100%;background:rgba(255,255,255,.14);border:0;color:#fff;padding:9px;border-radius:9px;
  font-weight:600;cursor:pointer;font-size:14px}
.side-logout:hover{background:rgba(255,255,255,.22)}
.app-main{margin-left:236px;flex:1;min-width:0;display:flex;flex-direction:column}
.mobilebar{display:none}
.nav-backdrop{display:none}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .2s ease;box-shadow:0 0 50px rgba(0,0,0,.35);width:264px}
  .app-main{margin-left:0}
  .mobilebar{display:flex;align-items:center;gap:12px;background:var(--brand);color:#fff;
    padding:11px 14px;position:sticky;top:0;z-index:30}
  .mobilebar .hamburger{font-size:22px;line-height:1;cursor:pointer;color:#fff;padding:2px 4px}
  .mobilebar .brand-sm{display:flex;align-items:center;gap:8px;color:#fff;font-weight:800;text-decoration:none}
  .nav-toggle:checked ~ .app-shell .sidebar{transform:none}
  .nav-toggle:checked ~ .app-shell .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:35}
}

/* layout */
.container{max-width:1080px;margin:0 auto;padding:20px 18px 60px}
.page-title{font-size:22px;font-weight:800;margin:4px 0 2px}
.page-sub{color:var(--muted);margin:0 0 18px}

/* cards + grid */
.grid{display:grid;gap:14px}
@media(min-width:640px){.grid.cols-2{grid-template-columns:1fr 1fr}
  .grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow)}
.stat{display:flex;flex-direction:column;gap:2px}
.stat .n{font-size:30px;font-weight:800;color:var(--brand)}
.stat .l{color:var(--muted);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}

/* ── Login hero (two-column, mobile stacks) ─────────────────────────── */
.login-shell{min-height:100vh;display:grid;grid-template-columns:1fr}
@media(min-width:920px){.login-shell{grid-template-columns:1.05fr .95fr}}
.login-hero{position:relative;overflow:hidden;color:#eafff7;padding:44px 40px;
  display:flex;flex-direction:column;justify-content:center;gap:20px;
  background:radial-gradient(900px 420px at 8% -10%,#149a79 0%,rgba(20,154,121,0) 60%),
             linear-gradient(155deg,#0B5D4E 0%,#0a4c40 55%,#073a31 100%)}
.login-hero .kicker{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:12.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.login-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.04;margin:0;font-weight:800;letter-spacing:-.5px}
.login-hero h1 .hl{color:var(--accent)}
.login-hero p.lead{font-size:16px;line-height:1.6;opacity:.88;max-width:46ch;margin:0}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.hero-badge{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:13px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  padding:7px 12px;border-radius:999px}
.hero-scene{margin-top:8px;filter:drop-shadow(0 18px 22px rgba(0,0,0,.25))}
.hero-scene svg{width:100%;height:auto;max-width:520px}
.bolt-float{position:absolute;color:var(--accent);opacity:.18}
.bolt-float.b1{top:34px;right:60px;font-size:44px;transform:rotate(12deg)}
.bolt-float.b2{bottom:40px;right:120px;font-size:26px;opacity:.14;transform:rotate(-8deg)}
.login-panel{display:grid;place-items:center;padding:40px 20px;background:var(--paper)}
.login-panel .auth-card{box-shadow:0 10px 40px rgba(16,40,34,.10)}
@media(max-width:919px){
  .login-hero{padding:30px 22px 26px;gap:14px}
  .login-hero .hero-scene{max-width:360px;margin:2px auto 0}
  .login-hero p.lead{display:none}
}

/* auth card */
.auth-wrap{min-height:calc(100vh - 0px);display:grid;place-items:center;padding:24px 16px}
.auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.auth-card h1{margin:0 0 4px;font-size:21px}
.auth-card .page-sub{margin-bottom:18px}

/* forms */
label{display:block;font-weight:600;font-size:13px;margin:12px 0 5px}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],
select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.check{display:flex;align-items:center;gap:8px;margin-top:12px}
.check input{width:auto}
.hint{color:var(--muted);font-size:12.5px;margin-top:5px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);
  color:#fff;border:0;border-radius:11px;padding:12px 18px;font-size:15px;font-weight:700;
  cursor:pointer;text-decoration:none}
.btn:hover{background:var(--brand-2);text-decoration:none;color:#fff}
.btn.block{width:100%}
.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--line)}
.btn.wa{background:#25D366;color:#04331d}
.btn.accent{background:var(--accent);color:#04231b}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* alerts */
.alert{border-radius:11px;padding:11px 14px;font-size:14px;margin:12px 0;font-weight:600}
.alert.err{background:#fdecea;color:var(--danger);border:1px solid #f5c6c0}
.alert.ok{background:#e7f6f0;color:var(--ok);border:1px solid #b9e4d4}
.alert.info{background:#eef6ff;color:#1b4e8a;border:1px solid #cfe2fb}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#f2f8f6;color:var(--muted);text-transform:uppercase;font-size:11.5px;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700}
.badge.ok{background:#e7f6f0;color:var(--ok)}
.badge.wait{background:#fef3e2;color:#a9670c}
.badge.off{background:#f1f2f4;color:#667}

.link-box{display:flex;gap:8px;align-items:center;background:#f2f8f6;border:1px dashed var(--line);
  border-radius:10px;padding:10px 12px;font-size:13px;word-break:break-all}
.muted{color:var(--muted)}
.mt{margin-top:16px}
.empty{text-align:center;color:var(--muted);padding:40px 16px}

/* serial field with OCR scan button */
.ocr-field{display:flex;gap:6px;align-items:stretch}
.ocr-field input{flex:1}
.ocr-scan{flex:none;width:44px;border:1px solid var(--line);background:#f2f8f6;border-radius:10px;
  font-size:18px;cursor:pointer;line-height:1}
.ocr-scan:hover{background:#e7f2ee}
.ocr-scan:disabled{opacity:.6;cursor:default}
.ocr-hint{margin-top:4px}
.ocr-hint a{font-weight:600}

/* live camera modal for serial scanning */
.cam-modal{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:100;
  display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}
.cam-modal video{max-width:100%;max-height:66vh;border-radius:12px;background:#000}
.cam-frame{color:#eafff7;font-size:13px;margin-bottom:10px;opacity:.85}
.cam-bar{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap;justify-content:center}
.cam-btn{background:#fff;color:var(--ink);border:0;border-radius:12px;padding:13px 20px;
  font-weight:700;font-size:15px;cursor:pointer}
.cam-btn.primary{background:var(--accent);color:#04231b}
.cam-btn.ghost{background:rgba(255,255,255,.16);color:#fff}
.cam-view{display:flex;flex-direction:column;align-items:center}
/* crop / framing */
.cam-crop{position:relative;display:inline-block;line-height:0;max-width:92vw;max-height:62vh;touch-action:none}
.cam-crop img{max-width:92vw;max-height:62vh;display:block;border-radius:10px;-webkit-user-drag:none;user-select:none}
.cam-selbox{position:absolute;border:2px solid var(--accent);background:rgba(52,211,153,.18);
  box-shadow:0 0 0 4000px rgba(0,0,0,.45);pointer-events:none;display:none}
.cam-frame b{color:#fff}

/* invoice document */
.doc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;max-width:840px;margin:0 auto;box-shadow:var(--shadow)}
.doc h2{margin:0;font-size:22px;color:var(--brand)}
.doc .doc-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:2px solid var(--brand);padding-bottom:14px}
.doc .doc-meta{text-align:right;font-size:13px;color:var(--muted)}
.doc .doc-meta b{color:var(--ink)}
.doc .parties{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:16px 0}
.doc .party{font-size:13px;line-height:1.5}
.doc .party .lbl{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.doc table{min-width:0}
.doc .tot{max-width:320px;margin-left:auto;font-size:14px}
.doc .tot .row{display:flex;justify-content:space-between;padding:4px 0}
.doc .tot .grand{border-top:2px solid var(--brand);margin-top:6px;padding-top:8px;font-weight:800;font-size:17px;color:var(--brand)}
.doc .words{margin-top:10px;font-size:13px;font-style:italic;color:var(--ink)}
@media print{
  .sidebar,.mobilebar,.nav-backdrop,.no-print{display:none!important}
  .app-main{margin-left:0!important}
  body{background:#fff}
  .doc{border:0;box-shadow:none;max-width:100%;padding:0}
  main{padding:0}
}

/* help / manual */
.help-search input{width:100%;padding:14px 16px;font-size:16px;border:1px solid var(--line);border-radius:12px;background:#fff}
.help-toc{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.help-toc a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;color:var(--brand);text-decoration:none}
.help-toc a:hover{background:#f2f8f6}
.help-sec{margin-top:28px;scroll-margin-top:16px}
.help-sec>h2{font-size:18px;margin:0;padding-bottom:8px;border-bottom:2px solid var(--brand)}
.help-art{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-top:12px;box-shadow:var(--shadow)}
.help-art h3{margin:0 0 8px;font-size:16px}
.help-art ol,.help-art ul{margin:8px 0;padding-left:20px;line-height:1.75}
.help-art p{margin:6px 0}
.help-tag{display:inline-block;font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:999px;vertical-align:middle;margin-left:6px}
.help-tag.main{background:#e7f6f0;color:var(--ok)}
.help-tag.sub{background:#eef6ff;color:#1b4e8a}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:0 16px;margin-top:8px}
.faq summary{cursor:pointer;padding:13px 0;font-weight:600;list-style:none;display:flex;gap:8px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"›";color:var(--brand);font-weight:800;transition:transform .15s}
.faq details[open] summary::before{transform:rotate(90deg)}
.faq details>div{padding:0 0 14px 18px;color:var(--muted);line-height:1.65}
.help-none{display:none;text-align:center;color:var(--muted);padding:30px}