:root{
  --orange:#ff7a00;
  --orange-2:#ff9a3d;
  --bg:#ffffff;
  --text:#1f1f1f;
  --muted:#707070;
  --line:#efefef;
  --shadow: 0 10px 24px rgba(0,0,0,.08);
  --radius:18px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background: var(--bg);
}

.hidden{ display:none !important; }

.screen{ padding: 14px 14px 86px; }
.screen--center{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 20px;
}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:14px;
}

.auth-card{ width:min(420px, 100%); }

.brand{
  display:flex;
  gap:12px;
  align-items:center;
  margin-bottom: 12px;
}
.brand__logo{
  width:54px; height:54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 28px;
  font-weight: 800;
}
.brand__text h1{ margin:0; letter-spacing:.5px; }
.brand__text p{ margin:2px 0 0; color:var(--muted); }

.form{ display:flex; flex-direction:column; gap:10px; }
.label{ font-size: 13px; color: var(--muted); display:flex; flex-direction:column; gap:6px; }
.input{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  outline:none;
  font-size: 14px;
}
.input:focus{
  border-color: rgba(255,122,0,.6);
  box-shadow: 0 0 0 4px rgba(255,122,0,.12);
}
.select{ padding-right: 34px; }
.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

.btn{
  border:none;
  border-radius: 14px;
  padding: 12px 12px;
  cursor:pointer;
  font-weight: 650;
}
.btn--primary{
  background: var(--orange);
  color:#fff;
}
.btn--primary:active{ transform: translateY(1px); }
.btn--ghost{
  background:#fff;
  border:1px solid var(--line);
}
.btn--small{ padding: 10px 10px; border-radius: 12px; }

.hint{ color: var(--muted); line-height: 1.4; display:block; margin-top: 4px; }

.app{ min-height:100vh; }

.topbar{
  position: sticky;
  top:0;
  z-index: 20;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 10px 12px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid var(--line);
  font-weight: 700;
}
.icon-btn{
  width:40px; height:40px;
  border-radius: 12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
}

.content{ max-width: 520px; margin: 0 auto; }

.hero h2{ margin: 8px 0 4px; }
.hero p{ margin: 0 0 10px; }

.muted{ color: var(--muted); }
.big{ font-size: 18px; }

.searchRow{ display:flex; gap:10px; }
.searchRow .input{ flex:1; }

.sectionTitle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top: 16px;
  margin-bottom: 8px;
}
.sectionTitle h3{ margin:0; font-size: 16px; }

.badge{
  border:1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--muted);
  background:#fff;
}
.badge--warn{
  border-color: rgba(255,122,0,.35);
  color: #b35400;
  background: rgba(255,122,0,.08);
}

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
}
.vendor{
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:#fff;
  cursor:pointer;
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.vendor:active{ transform: translateY(1px); }
.vendor .ico{
  width:44px; height:44px;
  border-radius: 14px;
  background: rgba(255,122,0,.12);
  display:flex; align-items:center; justify-content:center;
  font-size: 20px;
}
.vendor .meta{ flex:1; }
.vendor .meta b{ display:block; }
.vendor .row2{ display:flex; gap:8px; flex-wrap:wrap; margin-top:6px; }
.chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.cart{ min-height: 90px; }
.cartEmpty{ color: var(--muted); }
.cartItem{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding: 8px 0;
  border-bottom:1px dashed var(--line);
}
.cartItem:last-child{ border-bottom:none; }
.cartItem .qty{
  display:flex; gap:6px; align-items:center;
}
.qty button{
  width:34px; height:34px;
  border-radius: 12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
}
.totalRow{
  display:flex; justify-content:space-between; align-items:center;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.bottomNav{
  position: fixed;
  left:0; right:0; bottom:0;
  background:#fff;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-around;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  z-index: 30;
}
.navItem{
  width: 20%;
  border:none;
  background:transparent;
  padding: 8px 4px;
  border-radius: 14px;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  color: var(--muted);
}
.navItem.active{
  color: var(--orange);
  background: rgba(255,122,0,.10);
}
.navIcon{ font-size: 18px; }
.navText{ font-size: 12px; font-weight: 650; }

.modal{
  position: fixed;
  inset:0;
  z-index: 60;
  display:flex;
  align-items:flex-end;
  justify-content:center;
}
.modal__overlay{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.35);
}
.modal__panel{
  position:relative;
  width: min(520px, 100%);
  max-height: 82vh;
  overflow:auto;
  border-radius: 22px 22px 0 0;
  background:#fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.modal__header, .modal__footer{
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.modal__footer{ border-bottom:none; border-top: 1px solid var(--line); }
.modal__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.modal__body{ padding: 12px 14px; }

.list{ display:flex; flex-direction:column; gap:10px; }
.item{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  display:flex;
  justify-content:space-between;
  gap:10px;
}
.item:active{ transform: translateY(1px); }
.item b{ display:block; }
.price{ font-weight: 800; color: var(--orange); }
.row{ display:flex; align-items:center; gap:10px; }
.row--between{ justify-content:space-between; }
.sep{ border:none; border-top:1px solid var(--line); margin: 12px 0; }

.mapCard{ padding: 0; overflow:hidden; }
.mapHeader{ padding: 14px; border-bottom:1px solid var(--line); }
.mapBox{
  height: 260px;
  background: linear-gradient(180deg, rgba(255,122,0,.08), rgba(0,0,0,0));
  position:relative;
  overflow:hidden;
}
.mapPin{
  position:absolute;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background:#fff;
  font-size: 12px;
  font-weight: 700;
}
.mapPin.you{
  border-color: rgba(255,122,0,.35);
  background: rgba(255,122,0,.12);
  color: #b35400;
}
.mapFooter{ padding: 14px; border-top:1px solid var(--line); }

.chatBox{
  margin-top: 10px;
  height: 280px;
  overflow:auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background:#fff;
}
.bubble{
  max-width: 82%;
  padding: 10px 12px;
  border-radius: 16px;
  margin: 8px 0;
  border:1px solid var(--line);
  background:#fff;
}
.bubble.me{
  margin-left:auto;
  border-color: rgba(255,122,0,.35);
  background: rgba(255,122,0,.10);
}
.chatInputRow{
  display:flex;
  gap:10px;
  margin-top: 10px;
}
.chatInputRow .input{ flex:1; }

.profileRow{
  display:flex; align-items:center; gap:12px;
}
.avatar{
  width:52px; height:52px;
  border-radius: 18px;
  background: rgba(255,122,0,.12);
  display:flex; align-items:center; justify-content:center;
  font-size: 22px;
}

.note{
  margin-top: 12px;
  background: rgba(255,122,0,.06);
  border-color: rgba(255,122,0,.25);
}

.switch{
  position:relative;
  display:inline-block;
  width: 48px; height: 28px;
}
.switch input{ display:none; }
.slider{
  position:absolute; inset:0;
  background:#eee;
  border-radius: 999px;
  border: 1px solid var(--line);
  cursor:pointer;
}
.slider:before{
  content:"";
  position:absolute;
  height:22px; width:22px;
  left:3px; top:2px;
  background:#fff;
  border-radius: 999px;
  border:1px solid var(--line);
  transition: .18s;
}
.switch input:checked + .slider{
  background: rgba(255,122,0,.20);
  border-color: rgba(255,122,0,.35);
}
.switch input:checked + .slider:before{
  transform: translateX(18px);
}