@import url('https://fonts.googleapis.com/css2?family=Tiro+Bangla:ital@0;1&family=Hind+Siliguri:wght@400;500;600;700&display=swap');

:root{
  --paper: #F3E9D2;
  --ink: #1B2A4A;
  --ink-soft: #4A5568;
  --rule-red: #A63D40;
  --debit: #A63D40;
  --credit: #2F6844;
  --gold: #C08A28;
  --card: #FBF6E9;
  --shadow: rgba(27,42,74,0.14);
}

*{ box-sizing:border-box; margin:0; padding:0; }

body{
  background:#DED0AC;
  font-family:'Hind Siliguri', sans-serif;
  color:var(--ink);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:28px 12px 60px;
}

.card-shell{
  width:100%;
  max-width:420px;
  background:var(--paper);
  border-radius:20px;
  box-shadow:0 24px 60px var(--shadow);
  padding:26px 24px;
  position:relative;
  overflow:hidden;
}
.card-shell::before{
  content:"";
  position:absolute; top:0; bottom:0; left:24px;
  width:2px; background:var(--rule-red); opacity:.5;
}

.brand{
  font-family:'Tiro Bangla', serif;
  font-size:15px;
  color:var(--gold);
  margin-bottom:4px;
}
.h1{
  font-family:'Tiro Bangla', serif;
  font-size:26px;
  margin-bottom:6px;
}
.sub{
  font-size:13.5px;
  color:var(--ink-soft);
  margin-bottom:22px;
}

.field{ margin-bottom:16px; }
.field label{
  display:block;
  font-size:12.5px;
  color:var(--ink-soft);
  margin-bottom:6px;
  font-weight:600;
}
.field input{
  width:100%;
  border:none;
  border-bottom:1.5px solid rgba(27,42,74,0.3);
  background:transparent;
  font-family:'Hind Siliguri', sans-serif;
  font-size:16px;
  color:var(--ink);
  padding:8px 2px;
  outline:none;
}
.field input:focus{ border-bottom-color:var(--ink); }

.btn{
  display:flex; align-items:center; justify-content:center;
  width:100%;
  border:none; border-radius:12px;
  padding:14px;
  font-family:'Hind Siliguri', sans-serif;
  font-size:16px; font-weight:700;
  cursor:pointer;
}
.btn-primary{ background:var(--ink); color:#fff; }
.btn-ghost{ background:transparent; color:var(--ink-soft); font-weight:600; font-size:13.5px; margin-top:14px; }

.error-box{
  background:rgba(166,61,64,0.12);
  color:var(--debit);
  border-radius:8px;
  padding:10px 12px;
  font-size:13px;
  margin-bottom:16px;
}

.summary{
  background:var(--ink); color:var(--paper);
  border-radius:16px; padding:18px 20px; margin-bottom:20px;
  display:flex; justify-content:space-between; align-items:flex-end;
}
.summary .label{ font-size:12.5px; opacity:.75; margin-bottom:6px; }
.summary .amount{ font-family:'Tiro Bangla', serif; font-size:26px; }
.summary .amount.small{ font-size:15px; opacity:.85; }

.search{
  display:flex; align-items:center; gap:8px;
  background:var(--card); border:1px solid rgba(27,42,74,0.15);
  border-radius:10px; padding:10px 12px; margin-bottom:14px;
  font-size:14px; color:var(--ink-soft);
}
.search input{ border:none; background:transparent; outline:none; flex:1; font-family:'Hind Siliguri', sans-serif; font-size:14px; color:var(--ink); }

.cust-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:13px 2px; border-bottom:1px solid rgba(27,42,74,0.1);
  text-decoration:none; color:inherit;
}
.cust-info .name{ font-size:15px; font-weight:600; }
.cust-info .phone{ font-size:12px; color:var(--ink-soft); margin-top:2px; }
.cust-amt{ font-variant-numeric:tabular-nums; font-weight:700; font-size:15px; text-align:right; }
.cust-amt.due{ color:var(--debit); }
.cust-amt.clear{ color:var(--credit); }
.cust-amt .tag{ display:block; font-size:10.5px; font-weight:600; color:var(--ink-soft); margin-top:2px; }

.top-bar{
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:18px;
}
.top-bar .shop-name{ font-family:'Tiro Bangla', serif; font-size:18px; }
.top-bar a{ font-size:12.5px; color:var(--ink-soft); text-decoration:none; font-weight:600; }

.empty-state{
  text-align:center; color:var(--ink-soft); font-size:13.5px; padding:30px 10px;
}

.mic-wrap{
  display:flex; flex-direction:column; align-items:center;
  margin: 4px 0 24px;
}
.mic-btn{
  width:64px; height:64px; border-radius:50%;
  border:none; cursor:pointer;
  background: radial-gradient(circle at 35% 30%, #2A3E6B, var(--ink));
  color: var(--paper);
  font-size:26px;
  box-shadow: 0 0 0 6px rgba(166,61,64,0.12), 0 8px 18px var(--shadow);
  margin-bottom:8px;
  transition: box-shadow .2s;
}
.mic-btn.live{
  box-shadow: 0 0 0 10px rgba(166,61,64,0.22), 0 8px 18px var(--shadow);
}
.mic-btn:disabled{
  opacity:.5; cursor:not-allowed;
}
.mic-hint{
  font-size:12.5px; color:var(--ink-soft); text-align:center;
}

.input-with-mic{
  display:flex; align-items:center; gap:8px;
}
.input-with-mic input{
  flex:1;
}
.mic-inline{
  flex-shrink:0;
  width:32px; height:32px; border-radius:50%;
  border:none; cursor:pointer;
  background: var(--card);
  border:1px solid rgba(27,42,74,0.2);
  color: var(--ink);
  font-size:14px;
  display:flex; align-items:center; justify-content:center;
}
.mic-inline.live{
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 0 0 4px rgba(166,61,64,0.2);
}
.mic-inline:disabled{
  opacity:.4; cursor:not-allowed;
}

.fab-link{
  position:fixed; right:22px; bottom:22px;
  width:56px; height:56px; border-radius:50%;
  background:var(--gold); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:24px; text-decoration:none;
  box-shadow:0 8px 18px rgba(192,138,40,0.45);
}