/* ============================================================
   Smart Parking — UI styles
   Mobile-first civic field tool.
   Signature elements: monospace "license plate" block,
   traffic-light scan-status chips.
   ============================================================ */
:root{
  --ink:#0E1A2B; --ink-2:#1C2D44;
  --paper:#EEF2F7; --card:#FFFFFF; --line:#E2E8F0;
  --muted:#64748B; --muted-2:#94A3B8;
  --brand:#1763E6; --brand-d:#0F4FBF;
  --amber:#F5A623;
  --valid:#15924D; --valid-bg:#E7F4EC;
  --violation:#D33A2C; --violation-bg:#FBEAE8;
  --anomaly:#C98A00; --anomaly-bg:#FBF3DD;
  --unreg:#64748B; --unreg-bg:#EEF1F5;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(13,26,43,.06),0 8px 24px rgba(13,26,43,.06);
  --tap:48px;
  font-synthesis-weight:none;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink); background:var(--paper);
  -webkit-text-size-adjust:100%;
  padding-bottom:calc(72px + env(safe-area-inset-bottom));
}
h1,h2,h3{margin:0;font-weight:680;letter-spacing:-.01em}
a{color:var(--brand);text-decoration:none}
.num{font-variant-numeric:tabular-nums}

/* ---------- App top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  background:var(--ink);color:#fff;
  padding:calc(12px + env(safe-area-inset-top)) 16px 12px;
  display:flex;align-items:center;gap:12px;
}
.topbar .brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em}
.topbar .brand .mark{
  width:26px;height:26px;border-radius:7px;flex:none;
  background:
    linear-gradient(135deg,var(--amber) 0 50%, #fff 50% 100%);
  position:relative;
}
.topbar .brand .mark::after{
  content:"P";position:absolute;inset:0;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:var(--ink);
}
.topbar .spacer{flex:1}
.topbar .who{font-size:12px;color:#A8C0E8;text-align:right;line-height:1.25}
.topbar .who b{color:#fff;display:block;font-size:13px}

/* ---------- Layout ---------- */
.wrap{max-width:560px;margin:0 auto;padding:16px}
.view{display:none;animation:fade .18s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:18px 2px 8px}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:12px}
.card.pad-sm{padding:12px}
.row{display:flex;align-items:center;gap:12px}
.row.between{justify-content:space-between}
.stack{display:flex;flex-direction:column;gap:10px}
.muted{color:var(--muted)}
.tiny{font-size:12px}

/* ---------- Balance hero ---------- */
.balance{
  background:linear-gradient(150deg,var(--ink) 0%,var(--ink-2) 100%);
  color:#fff;border:none;
}
.balance .label{color:#A8C0E8;font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.balance .amount{font-size:34px;font-weight:740;letter-spacing:-.02em;margin-top:2px;font-variant-numeric:tabular-nums}

/* ---------- License plate block (signature) ---------- */
.plate{
  display:inline-flex;align-items:center;gap:8px;
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  font-weight:700;font-size:18px;letter-spacing:.06em;
  background:#fff;color:var(--ink);
  border:2px solid var(--ink);border-radius:8px;
  padding:6px 12px;line-height:1;
  box-shadow:inset 0 0 0 2px #fff, inset 0 0 0 3px var(--ink);
}
.plate.lg{font-size:24px;padding:10px 16px}

/* ---------- Scan status chips (traffic light, signature) ---------- */
.chip{display:inline-flex;align-items:center;gap:7px;font-weight:650;font-size:13px;
  padding:5px 11px;border-radius:999px;border:1px solid transparent}
.chip .dot{width:9px;height:9px;border-radius:50%;flex:none}
.chip.valid{background:var(--valid-bg);color:var(--valid);border-color:#Bfe4cd}
.chip.valid .dot{background:var(--valid)}
.chip.violation{background:var(--violation-bg);color:var(--violation);border-color:#f3c9c4}
.chip.violation .dot{background:var(--violation)}
.chip.anomaly{background:var(--anomaly-bg);color:var(--anomaly);border-color:#ecd9a3}
.chip.anomaly .dot{background:var(--anomaly)}
.chip.unregistered,.chip.unreg{background:var(--unreg-bg);color:var(--unreg);border-color:var(--line)}
.chip.unregistered .dot,.chip.unreg .dot{background:var(--unreg)}

/* role/info pills */
.pill{display:inline-block;font-size:11px;font-weight:650;padding:3px 8px;border-radius:999px;
  background:#EAF1FE;color:var(--brand-d);border:1px solid #d3e3fd}
.pill.grey{background:#eef1f5;color:var(--muted);border-color:var(--line)}

/* ---------- Forms ---------- */
label.field{display:block;margin-bottom:12px}
label.field > span{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:5px}
input,select,textarea{
  width:100%;font:inherit;color:var(--ink);
  padding:12px 13px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;min-height:var(--tap);
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,99,230,.14)}
.plate-input input{font-family:ui-monospace,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:var(--tap);padding:0 18px;border-radius:var(--radius-sm);
  font:inherit;font-weight:670;cursor:pointer;border:1.5px solid transparent;
  background:var(--brand);color:#fff;width:100%;transition:filter .12s,transform .04s}
.btn:active{transform:translateY(1px)}
.btn:hover{filter:brightness(1.04)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.dark{background:var(--ink)}
.btn.amber{background:var(--amber);color:var(--ink)}
.btn.danger{background:var(--violation)}
.btn.sm{min-height:40px;width:auto;padding:0 14px;font-size:13.5px}
.btn-row{display:flex;gap:10px}

/* ---------- Lists ---------- */
.item{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.item:first-child{border-top:none}
.item .grow{flex:1;min-width:0}
.item .grow .t{font-weight:640}
.item .grow .s{font-size:12.5px;color:var(--muted)}
.amt{font-variant-numeric:tabular-nums;font-weight:680}
.amt.pos{color:var(--valid)} .amt.neg{color:var(--violation)}

/* ---------- Bottom nav ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  display:flex;justify-content:space-around;
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabbar button{
  flex:1;background:none;border:none;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 2px;color:var(--muted-2);font-size:10.5px;font-weight:600;min-height:54px}
.tabbar button.active{color:var(--brand)}
.tabbar svg{width:23px;height:23px;stroke-width:1.9}

/* ---------- Camera ---------- */
.camera{position:relative;background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}
.camera video,.camera canvas,.camera img{width:100%;height:100%;object-fit:cover;display:block}
.camera .reticle{position:absolute;inset:14% 8%;border:2px dashed rgba(255,255,255,.7);border-radius:10px;pointer-events:none}
.camera .hint{position:absolute;left:0;right:0;bottom:0;padding:8px 12px;background:linear-gradient(transparent,rgba(0,0,0,.6));color:#fff;font-size:12px}

/* ---------- Toast & banners ---------- */
.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:11px 16px;border-radius:10px;font-size:13.5px;font-weight:560;
  box-shadow:var(--shadow);z-index:80;max-width:90%;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}
.toast.err{background:var(--violation)}
.toast.ok{background:var(--valid)}
.banner{padding:10px 12px;border-radius:10px;font-size:13px;margin-bottom:12px}
.banner.warn{background:var(--anomaly-bg);color:#7a5800;border:1px solid #ecd9a3}
.banner.info{background:#EAF1FE;color:var(--brand-d);border:1px solid #d3e3fd}

.empty{text-align:center;color:var(--muted);padding:26px 10px;font-size:14px}
.spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
.btn.ghost .spinner{border-color:rgba(0,0,0,.2);border-top-color:var(--ink)}
@keyframes spin{to{transform:rotate(360deg)}}
hr.sep{border:none;border-top:1px solid var(--line);margin:14px 0}
.kv{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}
.kv span:first-child{color:var(--muted)}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th,table.tbl td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
table.tbl th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}