:root{
  --bg:#f4f6fa; --panel:#ffffff; --ink:#15202e; --muted:#5d6b7e; --faint:#94a1b2;
  --line:#e5e9f0; --line2:#eef1f6;
  --brand:#1f5fd1; --brand2:#2f6fe0; --brand-d:#184fb0; --brand-ink:#173f8a;
  --ok:#0e9c66; --ok-bg:#e6f6ef; --warn:#c9791b; --warn-bg:#fdf3e3; --danger:#d63d4a; --danger-bg:#fbeaec;
  --amber:#d9a406;
  --nav:linear-gradient(180deg,#1b2942 0%,#111a2c 100%);
  --grad:linear-gradient(135deg,#2160cf,#184fb0);
  --shadow-sm:0 1px 2px rgba(20,27,45,.05),0 1px 3px rgba(20,27,45,.04);
  --shadow:0 3px 12px rgba(20,35,65,.07),0 1px 4px rgba(20,35,65,.05);
  --shadow-lg:0 18px 48px rgba(15,25,50,.16);
  --r:14px; --r-sm:10px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{font:15px/1.5 -apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
button{font:inherit;cursor:pointer;border:0;border-radius:var(--r-sm);transition:.15s}
input,select,textarea{font:inherit;color:var(--ink)}
a{color:inherit;text-decoration:none}
button:disabled{opacity:.45;cursor:not-allowed}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#c9cee0;border-radius:20px}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--nav)}
.login-card{background:rgba(255,255,255,.98);padding:36px 30px;border-radius:22px;
  box-shadow:var(--shadow-lg);width:min(400px,92vw);display:flex;flex-direction:column;gap:14px}
.login-logo{width:56px;height:56px;border-radius:14px;background:var(--grad);display:grid;place-items:center;
  font-size:28px;margin-bottom:2px;color:#fff}
.login-card h1{margin:0;font-size:22px;font-weight:800;letter-spacing:-.2px}
.login-card .sub{color:var(--muted);font-size:13px;margin:-6px 0 6px}
.login-card input{padding:15px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:16px}
.login-card input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,95,209,.12)}
.login-card button{padding:15px;background:var(--grad);color:#fff;font-weight:700;font-size:16px;border-radius:12px}
.login-card .demo{font-size:12px;color:var(--faint);line-height:1.7}
.err{color:var(--danger);font-size:13px;min-height:16px}

/* ---------- app shell (mobile-first) ---------- */
#app{display:flex;flex-direction:column;min-height:100vh;max-width:640px;margin:0 auto;background:var(--bg)}
.topbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);
  padding:10px 14px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-sm)}
.topbar .who{font-weight:700;font-size:14.5px}
.topbar .role{font-size:12px;color:var(--muted)}
.topbar .acting{font-size:11px;color:var(--warn);background:var(--warn-bg);padding:2px 8px;border-radius:20px;margin-left:4px}
.net{margin-left:auto;font-size:12px;padding:4px 10px;border-radius:20px;font-weight:700;display:flex;align-items:center;gap:5px}
.net.on{background:var(--ok-bg);color:var(--ok)}
.net.off{background:var(--danger-bg);color:var(--danger)}
.net .dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.logout-btn{background:none;color:var(--muted);font-size:12px;padding:6px 8px}

main#view{flex:1;padding:14px 14px 90px;overflow-x:hidden}

.bottomnav{position:fixed;left:0;right:0;bottom:0;max-width:640px;margin:0 auto;background:#fff;
  border-top:1px solid var(--line);display:flex;z-index:40;box-shadow:0 -2px 12px rgba(20,35,65,.06)}
.bottomnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 2px 8px;
  color:var(--faint);font-size:11px;font-weight:600}
.bottomnav a .ic{font-size:20px;line-height:1}
.bottomnav a.active{color:var(--brand)}

/* ---------- generic layout ---------- */
h2.pagetitle{font-size:18px;margin:2px 0 14px;font-weight:800}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:12px;box-shadow:var(--shadow-sm)}
.card + .card{margin-top:12px}
.row{display:flex;gap:10px;align-items:center}
.row.between{justify-content:space-between}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}
.field .input-row{display:flex;gap:8px}
input[type=text],input[type=number],input[type=password],input[type=datetime-local],select,textarea{
  width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:11px;font-size:15.5px;background:#fff}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,209,.1)}
textarea{resize:vertical;min-height:64px}
.mic-btn{flex-shrink:0;width:46px;height:46px;border-radius:11px;background:var(--brand-ink);color:#fff;font-size:18px;display:grid;place-items:center}
.mic-btn.listening{background:var(--danger);animation:pulse 1s infinite}
.mic-btn:disabled{background:var(--faint)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

.btn{padding:13px 16px;border-radius:12px;font-weight:700;font-size:15.5px;text-align:center;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn.block{width:100%}
.btn.primary{background:var(--grad);color:#fff}
.btn.ok{background:var(--ok);color:#fff}
.btn.warn{background:var(--warn);color:#fff}
.btn.danger{background:var(--danger);color:#fff}
.btn.ghost{background:var(--line2);color:var(--ink)}
.btn.sm{padding:9px 12px;font-size:13.5px;border-radius:9px}
.btn:disabled{opacity:.45}
.fab-bar{position:fixed;left:0;right:0;bottom:64px;max-width:640px;margin:0 auto;padding:10px 14px;
  background:linear-gradient(0deg,var(--bg) 55%,transparent);z-index:35}

.chip{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.chip.gray{background:var(--line2);color:var(--muted)}
.chip.blue{background:#e8effc;color:var(--brand-ink)}
.chip.ok{background:var(--ok-bg);color:var(--ok)}
.chip.warn{background:var(--warn-bg);color:var(--warn)}
.chip.danger{background:var(--danger-bg);color:var(--danger)}
.badge-rework{background:#f3e8ff;color:#7c3aed;font-size:11px;font-weight:800;padding:2px 8px;border-radius:20px}

.order-item{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;background:#fff}
.order-item .title{font-weight:800;font-size:15px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.order-item .meta{color:var(--muted);font-size:12.5px;margin-top:4px;line-height:1.7}
.order-item .qty{font-size:22px;font-weight:800;color:var(--brand-ink)}
.order-item .qty small{font-size:12px;color:var(--muted);font-weight:600}
.order-item.selectable{display:flex;align-items:flex-start;gap:10px}
.order-item.selectable input[type=checkbox]{width:22px;height:22px;margin-top:2px;flex-shrink:0}

.empty{text-align:center;color:var(--faint);padding:50px 10px;font-size:14px}

.section-tabs{display:flex;gap:8px;margin-bottom:14px;overflow-x:auto}
.section-tabs button{flex-shrink:0;padding:9px 16px;border-radius:20px;background:var(--line2);color:var(--muted);font-weight:700;font-size:13.5px}
.section-tabs button.active{background:var(--grad);color:#fff}

.process-picker{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.process-picker button{padding:22px 10px;border-radius:16px;background:#fff;border:2px solid var(--line);
  font-size:17px;font-weight:800;color:var(--ink)}
.process-picker button.sel{border-color:var(--brand);background:#eaf1fd;color:var(--brand-ink)}

/* signature */
.sig-wrap{background:#fff;border:2px dashed var(--line);border-radius:14px;overflow:hidden;position:relative}
.sig-wrap canvas{width:100%;height:220px;display:block;touch-action:none;background:#fdfdfd}
.sig-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--faint);
  font-size:14px;pointer-events:none}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(15,20,35,.5);display:flex;align-items:flex-end;z-index:100}
.modal-mask.center{align-items:center;padding:16px}
.modal{background:#fff;border-radius:18px 18px 0 0;padding:20px;width:100%;max-width:640px;margin:0 auto;
  box-shadow:var(--shadow-lg);animation:slideup .2s ease}
.modal-mask.center .modal{border-radius:18px}
@keyframes slideup{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal h3{margin:0 0 12px;font-size:16.5px;font-weight:800}
.modal .actions{display:flex;gap:10px;margin-top:16px}
.modal .actions .btn{flex:1}

/* toast */
#toastbox{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;width:min(420px,92vw)}
.toast{background:#1b2942;color:#fff;padding:11px 16px;border-radius:12px;font-size:13.5px;box-shadow:var(--shadow-lg);text-align:center}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--ok)}

/* table-ish list for reports */
.report-item{border-bottom:1px solid var(--line2);padding:10px 0}
.report-item:last-child{border-bottom:none}
.diff-bad{color:var(--danger);font-weight:800}
.diff-ok{color:var(--ok);font-weight:800}

.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.filters input,.filters select{flex:1;min-width:110px}

.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.kpi .num{font-size:24px;font-weight:800;color:var(--brand-ink)}
.kpi .lbl{font-size:12px;color:var(--muted);margin-top:2px}

.linelist{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.linelist .chip{display:flex;align-items:center;gap:6px}
.linelist .chip .x{cursor:pointer;opacity:.6}

@media (min-width:520px){
  .grid2{grid-template-columns:1fr 1fr 1fr}
}