:root{
  --brown:#431407; --brand:#9A3412; --orange:#EA580C; --amber:#F59E0B;
  --cream:#FFF8F0; --ink:#292524; --muted:#78716C; --line:#F1E4D8;
  --green:#16A34A; --red:#DC2626;
  --shadow:0 6px 20px rgba(154,52,18,.08); --shadow-lg:0 12px 32px rgba(67,20,7,.16);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;font-family:'Hind Siliguri',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:linear-gradient(180deg,#FFEDD5 0,#FFF8F0 220px);color:var(--ink);min-height:100vh}

/* Header */
header{background:linear-gradient(135deg,var(--brown) 0%,var(--brand) 55%,var(--orange) 100%);color:#fff;padding:20px 18px 42px;position:relative;overflow:hidden;border-radius:0 0 28px 28px}
header::before,header::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.09)}
header::before{width:190px;height:190px;right:-60px;top:-80px}
header::after{width:110px;height:110px;right:70px;bottom:-60px;background:rgba(245,158,11,.25)}
.brand{display:flex;gap:12px;align-items:center;position:relative;z-index:1}
.logo{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,var(--amber),#F97316);display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:var(--shadow-lg);flex:none}
header h1{margin:0;font-size:20px;letter-spacing:.2px;line-height:1.25}
header p{margin:3px 0 0;opacity:.88;font-size:12.5px}

main{padding:14px 14px 110px;max-width:720px;margin:0 auto;position:relative;z-index:2}
/* Shudhu Home-er stat card gulo header-er upor overlap korbe, onno tab-er heading na */
#tab-home .cards{margin-top:-40px}

/* Stat cards */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-bottom:16px}
.card{background:#fff;border-radius:18px;padding:15px;box-shadow:var(--shadow);border:1px solid rgba(241,228,216,.7)}
.card .ic{width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:8px;background:#FFF7ED}
.card:nth-child(1) .ic{background:#FFEDD5}.card:nth-child(2) .ic{background:#FEF3C7}
.card:nth-child(3) .ic{background:#FEE2E2}.card:nth-child(4) .ic{background:#DCFCE7}
.card b{font-size:21px;display:block;color:var(--brown);line-height:1.15}
.card span{font-size:12.5px;color:var(--muted);font-weight:500}

section{display:none;animation:fade .25s ease}section.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
h2{font-size:16.5px;margin:18px 2px 10px;color:var(--brown);display:flex;align-items:center;gap:8px}
h2::after{content:"";flex:1;height:1px;background:var(--line)}

/* Forms */
label{font-size:13px;font-weight:600;color:#57534E;display:block;margin-top:4px}
input,select,textarea{width:100%;padding:12px 13px;margin:5px 0 11px;border:1.5px solid #E7DDD3;border-radius:13px;font-size:15px;background:#fff;color:var(--ink);outline:none;transition:border .15s, box-shadow .15s;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(234,88,12,.12)}
button{background:linear-gradient(135deg,var(--orange),#F97316);color:#fff;border:0;padding:13px 16px;border-radius:14px;font-size:15px;font-weight:600;cursor:pointer;width:100%;margin:6px 0;box-shadow:0 8px 18px rgba(234,88,12,.28);font-family:inherit;transition:transform .1s}
button:active{transform:scale(.98)}
button.secondary{background:#fff;color:var(--brand);border:1.5px solid #FDBA74;box-shadow:none}
button.small{width:auto;padding:7px 12px;font-size:13px;border-radius:99px;margin:3px 2px;box-shadow:none}

/* List items */
.item{background:#fff;border:1px solid rgba(241,228,216,.9);border-radius:16px;padding:13px 14px;margin-bottom:10px;box-shadow:var(--shadow)}
.item b{color:#1C1917}.muted{color:var(--muted);font-size:13px;line-height:1.55}
.row{display:flex;gap:8px;align-items:center;justify-content:space-between}
.avatar{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#FFEDD5,#FDE68A);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex:none}
.left{display:flex;gap:11px;align-items:center;min-width:0}
.badge{font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:99px;background:#FEF3C7;color:#92400E;white-space:nowrap}
.badge.delivered{background:#DCFCE7;color:#166534}.badge.due{background:#FEE2E2;color:#991B1B}.badge.paid{background:#DCFCE7;color:#166534}
.price{color:var(--brand);font-weight:700}

/* Floating bottom nav */
nav{position:fixed;bottom:12px;left:12px;right:12px;max-width:696px;margin:auto;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:22px;display:flex;z-index:5;box-shadow:var(--shadow-lg);padding:6px}
nav button{background:none;color:var(--muted);border-radius:16px;margin:0;padding:9px 2px;font-size:11.5px;font-weight:600;flex:1;box-shadow:none;line-height:1.35}
nav button.active{background:linear-gradient(135deg,var(--orange),#F97316);color:#fff;box-shadow:0 6px 14px rgba(234,88,12,.3)}

/* Database version: login + sync */
.syncbadge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:600}
.authwrap{position:fixed;inset:0;background:linear-gradient(160deg,#431407,#9A3412 60%,#EA580C);z-index:50;display:flex;align-items:center;justify-content:center;padding:18px}
.authwrap[hidden]{display:none}
.authcard{background:#FFF8F0;border-radius:24px;padding:26px 22px;max-width:380px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.authcard h2{margin:6px 0}