:root{
  --bg:#f4f7fb; --card:#ffffff; --muted:#516074; --text:#0f172a; --line:rgba(15,23,42,.10);
  --g:#16a34a; --b:#2563eb; --danger:#e11d48; --warn:#f59e0b;
  --shadow: 0 12px 30px rgba(15,23,42,.10); --r:16px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:'Hind Siliguri', system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1100px 600px at 20% -10%, rgba(37,99,235,.18), transparent 60%),
              radial-gradient(900px 600px at 100% 0%, rgba(22,163,74,.16), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
.app{display:flex; min-height:100vh;}
.sidebar{
  width:86px; background: rgba(255,255,255,.72); border-right:1px solid var(--line);
  position:sticky; top:0; height:100vh; padding:14px 10px; backdrop-filter: blur(10px);
}
.brand{
  display:flex; align-items:center; justify-content:center; height:52px; border-radius:14px;
  background: linear-gradient(135deg, rgba(22,163,74,.16), rgba(37,99,235,.14));
  border:1px solid var(--line); box-shadow: var(--shadow); margin-bottom:14px; font-weight:700;
}
.nav{display:flex; flex-direction:column; gap:10px;}
.nav-item{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px;
  padding:10px 8px; border-radius:14px; border:1px solid transparent; color:var(--muted); transition:.18s;
}
.nav-item i{font-size:18px; width:22px; text-align:center;}
.nav-item span{font-size:12px; line-height:1.1; text-align:center}
.nav-item.active{
  color:var(--text); border-color: var(--line);
  background: linear-gradient(135deg, rgba(22,163,74,.12), rgba(37,99,235,.10));
}
.nav-item:hover{transform: translateY(-1px); border-color: var(--line); color: var(--text);}
.main{flex:1; padding:16px 14px 24px; max-width: 1100px; margin: 0 auto; width: 100%;}
.topbar{display:flex; align-items:center; justify-content:space-between; gap:12px; margin: 6px 2px 14px;}
.title{font-size:18px; font-weight:700; margin:0;}
.sub{margin:2px 0 0; color:var(--muted); font-size:13px;}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:10px 12px; border-radius:12px;
  border:1px solid var(--line); background: rgba(255,255,255,.04); color:var(--text);
  cursor:pointer; font-weight:600; font-size:14px; transition:.15s;
}
.btn:hover{transform: translateY(-1px)}
.btn.primary{border-color: rgba(43,140,255,.35); background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(22,163,74,.14));}
.btn.danger{border-color: rgba(255,91,110,.35); background: rgba(225,29,72,.10); color: #9f1239;}
.grid{display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:12px;}
@media (max-width: 360px){
  .grid{grid-template-columns: 1fr;}
}

/* Dashboard KPI cards: colorful look */
.kpi-card{position:relative; overflow:hidden;}
.kpi-card:before{
  content:"";
  position:absolute;
  inset:-2px;
  opacity:.9;
  pointer-events:none;
}
.kpi-card > *{position:relative; z-index:1;}
.kpi-card.c1:before{background:linear-gradient(135deg, rgba(37,99,235,.20), rgba(255,255,255,.0) 55%);}
.kpi-card.c2:before{background:linear-gradient(135deg, rgba(22,163,74,.18), rgba(255,255,255,.0) 55%);}
.kpi-card.c3:before{background:linear-gradient(135deg, rgba(124,58,237,.18), rgba(255,255,255,.0) 55%);}
.kpi-card.c4:before{background:linear-gradient(135deg, rgba(14,165,233,.18), rgba(255,255,255,.0) 55%);}
.kpi-card.c5:before{background:linear-gradient(135deg, rgba(225,29,72,.16), rgba(255,255,255,.0) 55%);}
.kpi-card.c6:before{background:linear-gradient(135deg, rgba(245,158,11,.20), rgba(255,255,255,.0) 55%);}
.card{background: rgba(255,255,255,.88); border:1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding:14px; overflow:hidden;}
.card h3{margin:0 0 8px; font-size:15px;}
.kpi{display:flex; align-items:flex-start; justify-content:space-between; gap:12px;}
.kpi .value{font-size:20px; font-weight:800; margin-top:2px;}
.badge{
  font-size:12px; padding:6px 10px; border-radius:999px; border:1px solid var(--line);
  background: rgba(15,23,42,.03); color: var(--muted); white-space:nowrap;
}
.badge.g{border-color: rgba(24,195,126,.35); color:#065f46; background: rgba(22,163,74,.10);}
.badge.b{border-color: rgba(43,140,255,.35); color:#1e3a8a; background: rgba(43,140,255,.10);}
.badge.w{border-color: rgba(255,204,0,.35); color:#7c2d12; background: rgba(255,204,0,.12);}
.badge.d{border-color: rgba(255,91,110,.35); color:#9f1239; background: rgba(225,29,72,.10);}
form .row{display:grid; grid-template-columns:1fr; gap:10px;}
label{font-size:13px; color:var(--muted);}
input, select, textarea{
  width:100%; padding:11px 12px; border-radius:12px; border:1px solid var(--line);
  background: rgba(15,23,42,.03); color: var(--text); outline:none; font-family: inherit; font-size:14px;
}
textarea{min-height:90px; resize:vertical}
.help{color:var(--muted); font-size:12px; margin-top:6px;}
.actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;}
table{width:100%; border-collapse:collapse; overflow:hidden; border-radius:14px;}
th, td{padding:10px 10px; border-bottom:1px solid var(--line); vertical-align:top; font-size:13px;}
th{text-align:left; color:#1e3a8a; font-weight:700; background: rgba(37,99,235,.08);}
tr:hover td{background: rgba(255,255,255,.02);}
.img{width:38px; height:38px; border-radius:12px; object-fit:cover; border:1px solid var(--line); background: rgba(255,255,255,.04);}
.two{display:grid; grid-template-columns: 1fr; gap:12px;}
.pill{display:inline-flex; align-items:center; gap:8px; padding:8px 10px; border-radius:999px; border:1px solid var(--line); color: var(--muted); background: rgba(15,23,42,.03); font-size:12px;}
.flash{margin: 10px 2px 14px; padding: 12px 12px; border-radius: 14px; border:1px solid var(--line); background: rgba(15,23,42,.03);}
.flash.success{border-color: rgba(24,195,126,.35); background: rgba(22,163,74,.10); color:#065f46;}
.flash.danger{border-color: rgba(255,91,110,.35); background: rgba(225,29,72,.10); color:#9f1239;}
.tabs{display:flex; gap:10px; flex-wrap:wrap; margin: 6px 0 12px;}
.tab{padding:9px 12px; border-radius:999px; border:1px solid var(--line); background: rgba(15,23,42,.03); color: var(--muted); font-weight:700; font-size:13px;}
.tab.active{color: var(--text); border-color: rgba(43,140,255,.35); background: linear-gradient(135deg, rgba(43,140,255,.18), rgba(24,195,126,.10));}
.overlay{display:none; position:fixed; inset:0; background:rgba(0,0,0,.35); z-index:40;}
.menu-btn{display:inline-flex;}
@media (max-width: 919px){
  .sidebar{position:fixed; left:0; top:0; width:260px; transform:translateX(-110%); transition:.18s ease; z-index:50;}
  .brand{justify-content:flex-start; padding-left:14px; gap:10px;}
  .nav-item{flex-direction:row; justify-content:flex-start; gap:10px; padding:12px 12px;}
  .nav-item span{font-size:14px; text-align:left}
  .nav{gap:8px;}
  .menu-btn{padding:10px 12px;}
  .sidebar.open{transform:translateX(0);}
  .overlay.show{display:block;}
}
@media (min-width: 920px){
  .menu-btn{display:none;}
  .overlay{display:none!important;}
  .sidebar{width: 230px; padding:16px;}
  .brand{justify-content:flex-start; padding-left:14px;}
  .brand:after{content:"শেয়ারি ইকো কটেজ"; margin-left:10px; font-weight:800;}
  .nav-item{flex-direction:row; justify-content:flex-start; padding:12px 12px; gap:10px;}
  .nav-item span{font-size:14px; text-align:left}
  .grid{grid-template-columns: repeat(3, 1fr);}
  .two{grid-template-columns: 1.2fr .8fr;}
  form .row{grid-template-columns: 1fr 1fr;}
  .main{padding:20px 18px 28px;}
  .title{font-size:20px;}
}
.table-wrap{width:100%; overflow:auto; -webkit-overflow-scrolling:touch;}
.table-wrap table{min-width:720px;}
.auth-wrap{min-height:calc(100vh - 80px); display:flex; align-items:center; justify-content:center; padding:18px;}
.auth-card{max-width:420px; width:100%;}
.auth-brand{display:flex; flex-direction:column; align-items:center; gap:6px; margin-bottom:10px;}
.auth-brand .logo{width:64px;height:64px;border-radius:20px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background: linear-gradient(135deg, rgba(22,163,74,.16), rgba(37,99,235,.14)); box-shadow: var(--shadow);}
.auth-brand .name{font-weight:900; font-size:18px;}
.auth-brand .tag{color:var(--muted); font-size:13px;}
@media print{
  body{background:#fff; color:#000}
  .sidebar,.topbar .btn, .no-print{display:none!important}
  .card{box-shadow:none; border:1px solid #ddd; background:#fff}
  th{background:#f3f7ff!important; color:#000}
  td,th{color:#000}
}
.brand-text{display:none; font-size:15px; font-weight:700; color:var(--text);}
@media (max-width: 919px){ .brand-text{display:inline;} .brand{justify-content:center;} }
@media (min-width: 920px){ .brand-text{display:none;} }