:root{
  --paper:#E7DFCE;
  --paper-alt:#DED2BA;
  --cream:#F6F1E4;
  --ink:#2B1B12;
  --ink-soft:#5B4636;
  --ink-faint:#8A7862;
  --stamp:#2F4B7C;
  --stamp-soft:#D7DFEA;
  --official:#4B5D45;
  --official-soft:#DEE4D7;
  --warn:#8B3A2B;
  --warn-soft:#EEDAD3;
  --rule: rgba(43,27,18,0.14);
  --shadow: 0 8px 20px rgba(43,27,18,0.12);

  --font-display: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', 'Roboto Mono', Menlo, monospace;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.45;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}
h1,h2,h3{font-family:var(--font-display);font-weight:700;margin:0;color:var(--ink);}
p{margin:0 0 10px 0;}
button, input{font-family:inherit;}
.mono{font-family:var(--font-mono);}

#app{
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

/* ---------- TOPBAR ---------- */
.topbar{
  position:sticky;top:0;z-index:10;
  background:var(--ink);
  color:var(--cream);
  padding:calc(14px + var(--safe-top)) 18px 14px 18px;
}
.topbar__row{
  display:flex;justify-content:space-between;align-items:baseline;
}
.topbar__shop{font-family:var(--font-display);font-size:20px;font-weight:700;}
.topbar__date{font-family:var(--font-mono);font-size:11.5px;color:#C9B8A2;}

.banner{
  margin-top:10px;
  background:rgba(238,218,211,0.16);
  border:1px solid rgba(238,218,211,0.4);
  color:#F2E4DD;
  border-radius:8px;
  padding:9px 12px;
  font-size:12.5px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.banner button{
  flex:none;
  background:#F2E4DD;
  color:var(--ink);
  border:none;border-radius:6px;
  padding:6px 10px;font-size:12px;font-weight:600;
}
.banner[hidden]{display:none;}

/* ---------- MAIN / VIEWS ---------- */
main{flex:1;overflow-y:auto;padding-bottom:96px;}
.view{display:none;padding:20px 18px 8px 18px;max-width:640px;margin:0 auto;}
.view.active{display:block;}
.view h2{font-size:21px;margin-bottom:4px;}
.view__sub{font-size:13px;color:var(--ink-soft);margin-bottom:20px;}

/* ---------- COUNTER VIEW ---------- */
.counter-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px;
}
.counter-btn{
  background:var(--cream);
  border:1px solid var(--rule);
  border-radius:14px;
  padding:20px 12px;
  text-align:center;
  box-shadow:var(--shadow);
  cursor:pointer;
  -webkit-user-select:none;user-select:none;
  transition:transform .08s ease, background .15s ease;
  min-height:112px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;
}
.counter-btn:active{transform:scale(0.96);background:var(--stamp-soft);}
.counter-btn__glyph{font-size:26px;}
.counter-btn__label{font-weight:600;font-size:14px;line-height:1.2;}
.counter-btn__today{font-family:var(--font-mono);font-size:12px;color:var(--stamp);}

.log{
  border-top:1px solid var(--rule);
  padding-top:14px;
}
.log h3{font-size:13px;color:var(--ink-faint);font-family:var(--font-mono);font-weight:600;margin-bottom:10px;}
.log-empty{font-size:13px;color:var(--ink-faint);padding:10px 0;}
.log-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 0;border-bottom:1px solid var(--rule);font-size:13.5px;
}
.log-item__left{display:flex;align-items:center;gap:10px;}
.log-item__dot{width:8px;height:8px;border-radius:50%;flex:none;}
.log-item__time{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-faint);}
.log-item__del{
  background:none;border:none;color:var(--warn);font-size:16px;padding:4px 8px;cursor:pointer;
}

/* ---------- REPORTS VIEW ---------- */
.period-select{
  display:flex;gap:6px;overflow-x:auto;margin-bottom:18px;padding-bottom:2px;
}
.period-select button{
  flex:none;background:var(--cream);border:1px solid var(--rule);border-radius:20px;
  padding:8px 14px;font-size:12.5px;color:var(--ink-soft);cursor:pointer;
}
.period-select button.active{background:var(--stamp);border-color:var(--stamp);color:#fff;font-weight:600;}

.kpi-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;}
.kpi{background:var(--cream);border:1px solid var(--rule);border-radius:10px;padding:14px 16px;}
.kpi__num{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--stamp);line-height:1;}
.kpi__label{font-size:11.5px;color:var(--ink-faint);margin-top:4px;}

.chart{
  background:var(--cream);border:1px solid var(--rule);border-radius:10px;
  padding:16px;margin-bottom:24px;
}
.chart h3{font-size:13px;font-family:var(--font-mono);color:var(--ink-faint);font-weight:600;margin-bottom:12px;}
.chart-bars{display:flex;align-items:flex-end;gap:4px;height:90px;}
.chart-bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.chart-bar{width:100%;background:var(--stamp);border-radius:3px 3px 0 0;opacity:.8;min-height:2px;}
.chart-label{font-family:var(--font-mono);font-size:8.5px;color:var(--ink-faint);margin-top:5px;white-space:nowrap;}

/* ---------- EXPORT VIEW ---------- */
table.tbl{width:100%;border-collapse:collapse;margin:12px 0 22px 0;font-size:13px;}
table.tbl th{
  text-align:left;font-family:var(--font-mono);font-size:10.5px;font-weight:600;
  color:var(--ink-faint);border-bottom:1px solid var(--rule);padding:7px 8px;
}
table.tbl td{padding:9px 8px;border-bottom:1px solid var(--rule);color:var(--ink-soft);}
table.tbl td:first-child{color:var(--ink);font-weight:600;}

.btn-row{display:flex;flex-direction:column;gap:10px;margin:18px 0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;padding:13px 16px;font-size:14px;font-weight:600;
  border:1px solid var(--rule);background:var(--cream);color:var(--ink);cursor:pointer;
  width:100%;
}
.btn--primary{background:var(--stamp);border-color:var(--stamp);color:#fff;}
.btn--official{background:var(--official);border-color:var(--official);color:#fff;}
.btn--danger{background:transparent;border-color:var(--warn);color:var(--warn);}
.btn--ghost{background:transparent;}

.callout{
  border-left:4px solid var(--official);background:var(--official-soft);
  border-radius:0 8px 8px 0;padding:13px 16px;font-size:13px;margin:14px 0 22px 0;color:var(--ink-soft);
}

/* ---------- SETTINGS VIEW ---------- */
.field{margin-bottom:16px;}
.field label{display:block;font-size:12.5px;color:var(--ink-faint);font-family:var(--font-mono);margin-bottom:6px;}
.field input{
  width:100%;padding:12px 14px;border:1px solid var(--rule);border-radius:8px;
  background:var(--cream);color:var(--ink);font-size:15px;
}
.field input:focus{outline:2px solid var(--stamp);outline-offset:1px;}

.section-title{
  font-family:var(--font-mono);font-size:11.5px;color:var(--ink-faint);
  text-transform:none;margin:26px 0 10px 0;border-top:1px solid var(--rule);padding-top:18px;
}
.section-title:first-of-type{border-top:none;padding-top:0;margin-top:0;}

.data-stat{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-soft);padding:6px 0;}

.about-box{font-size:13px;color:var(--ink-soft);background:var(--cream);border:1px solid var(--rule);border-radius:10px;padding:16px;}
.about-box p:last-child{margin-bottom:0;}

/* ---------- TABBAR ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:10;
  display:flex;
  background:var(--cream);
  border-top:1px solid var(--rule);
  padding-bottom:var(--safe-bottom);
  box-shadow:0 -6px 16px rgba(43,27,18,0.08);
}
.tabbar button{
  flex:1;background:none;border:none;padding:10px 4px 8px 4px;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--ink-faint);cursor:pointer;font-size:10.5px;
}
.tabbar button .tab-glyph{font-size:19px;}
.tabbar button.active{color:var(--stamp);}

/* ---------- TOAST ---------- */
.toast{
  position:fixed;left:50%;bottom:calc(84px + var(--safe-bottom));
  transform:translateX(-50%) translateY(10px);
  background:var(--ink);color:var(--cream);
  padding:10px 18px;border-radius:20px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow);
  opacity:0;pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
  z-index:20;
  white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

@media(min-width:520px){
  .counter-grid{grid-template-columns:repeat(4,1fr);}
  .kpi-grid{grid-template-columns:repeat(4,1fr);}
}