@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&display=swap');
:root{
 --bg:#f5f7fb;--surface:#fff;--surface2:#f8fafc;--text:#172033;--muted:#64748b;
 --primary:#4f46e5;--primary2:#2563eb;--success:#059669;--warning:#d97706;--danger:#dc2626;
 --border:#e5e7eb;--shadow:0 14px 40px rgba(15,23,42,.08);--radius:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'Hind Siliguri','Inter',sans-serif;font-size:15px}
body.dark{--bg:#0b1220;--surface:#111827;--surface2:#172033;--text:#f1f5f9;--muted:#94a3b8;--border:#263247;--shadow:0 14px 40px rgba(0,0,0,.25)}
a{color:inherit;text-decoration:none}.app{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:255px;background:linear-gradient(180deg,#111827,#1e1b4b);color:#fff;padding:18px 14px;z-index:50;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:10px 10px 22px}.brand-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#6366f1,#2563eb);display:grid;place-items:center;font-size:20px;font-weight:800;box-shadow:0 8px 22px #0003}.brand strong{display:block;font-size:18px}.brand small{opacity:.65}
.sidebar nav{display:grid;gap:5px}.sidebar nav a,.sidebar-bottom a{padding:11px 12px;border-radius:11px;color:#dbeafe;display:flex;gap:9px;align-items:center;transition:.2s}.sidebar nav a:hover,.sidebar nav a.active{background:#ffffff15;color:#fff}.sidebar-bottom{margin-top:auto}
.main{margin-left:255px;min-height:100vh}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 28px;background:color-mix(in srgb,var(--surface) 90%,transparent);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30;backdrop-filter:blur(14px)}.topbar h2{margin:0;font-size:22px}.topbar .muted{font-size:12px}.top-actions{display:flex;gap:8px;align-items:center}.icon-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:11px;padding:9px 11px;cursor:pointer}
.content{padding:25px 28px 90px}.grid{display:grid;gap:18px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.stat{position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:100px;height:100px;border-radius:50%;background:#6366f120;right:-35px;top:-35px}.stat span{color:var(--muted);font-size:13px}.stat b{display:block;font-size:29px;margin:5px 0}.stat small{color:var(--muted)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.card h3{margin:0;font-size:18px}.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:9px 13px;border-radius:11px;cursor:pointer;font-family:inherit;font-weight:600}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));border:0;color:#fff}.btn.success{background:var(--success);color:#fff;border:0}.btn.danger{background:var(--danger);color:#fff;border:0}.btn.small{padding:6px 9px;font-size:12px}.btn.full{width:100%}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:12px 13px;border-bottom:1px solid var(--border);text-align:left}th{background:var(--surface2);color:var(--muted);font-size:13px}tr:last-child td{border-bottom:0}
.badge{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#e2e8f0;color:#334155}.badge.active,.badge.paid,.badge.success{background:#d1fae5;color:#065f46}.badge.inactive,.badge.due{background:#fee2e2;color:#991b1b}.badge.pending{background:#fef3c7;color:#92400e}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.form-grid label{display:grid;gap:6px;color:var(--muted);font-size:13px}.form-grid input,.form-grid select,.form-grid textarea,.search{width:100%;padding:11px 12px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:11px;font:inherit;outline:none}.form-grid textarea{min-height:90px;resize:vertical}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}
.progress{height:10px;background:var(--surface2);border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#22c55e);border-radius:999px}.quick-actions{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.quick{padding:17px 10px;border:1px solid var(--border);border-radius:14px;text-align:center;background:var(--surface2)}.quick span{display:block;margin-top:6px;font-size:13px}.winner{display:flex;align-items:center;gap:13px}.avatar{width:48px;height:48px;border-radius:50%;background:#eef2ff;display:grid;place-items:center}.winner b{margin-left:auto;font-size:19px}
.alert{padding:12px 14px;border-radius:12px;margin:12px 0}.alert.success{background:#d1fae5;color:#065f46}.alert.danger{background:#fee2e2;color:#991b1b}.alert.info{background:#dbeafe;color:#1e40af}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 10%,#6366f133,transparent 30%),linear-gradient(135deg,#eef2ff,#f8fafc)}.login-box{width:min(440px,100%);background:#fff;border:1px solid #fff;border-radius:26px;box-shadow:0 25px 80px #11182722;padding:34px}.login-logo{width:60px;height:60px;border-radius:18px;background:linear-gradient(135deg,#4f46e5,#2563eb);color:#fff;display:grid;place-items:center;font-size:25px;font-weight:800;margin-bottom:18px}.login-box h1{margin:0 0 5px;font-size:28px}.login-box .subtitle{color:#64748b;margin-bottom:25px}.login-box label{display:grid;gap:7px;margin:14px 0;color:#475569}.login-box input{padding:13px;border:1px solid #e5e7eb;border-radius:12px;font:inherit}.login-box button{width:100%;padding:13px;border:0;border-radius:12px;background:linear-gradient(135deg,#4f46e5,#2563eb);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.mobile-nav{display:none}
@media(max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.three{grid-template-columns:repeat(2,1fr)}.quick-actions{grid-template-columns:repeat(3,1fr)}}
@media(max-width:800px){.sidebar{display:none}.main{margin-left:0}.topbar{padding:10px 15px;height:68px}.content{padding:16px 14px 90px}.cards,.two,.three,.form-grid{grid-template-columns:1fr}.quick-actions{grid-template-columns:repeat(2,1fr)}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);z-index:100;padding:7px 4px}.mobile-nav a{text-align:center;font-size:11px;color:var(--muted)}.mobile-nav b{display:block;font-size:19px}.top-actions{display:none}}
@media print{.sidebar,.topbar,.mobile-nav,.btn{display:none!important}.main{margin:0}.content{padding:0}.card{box-shadow:none}}