body{margin:0;font-family:Arial,sans-serif;background:#f5fbf8;color:#102033}
a{text-decoration:none;color:inherit}.wrap{display:flex;min-height:100vh}
.sidebar{width:260px;background:#052e1a;color:#fff;padding:24px}
.sidebar img{max-width:210px;background:#fff;border-radius:14px;padding:8px;margin-bottom:24px}
.sidebar a{display:block;padding:13px 14px;border-radius:12px;margin:8px 0;color:#d7fbe6;font-weight:700}
.sidebar a:hover,.sidebar a.active{background:#10a957;color:#fff}
.main{flex:1;padding:28px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.card{background:#fff;border:1px solid #e4eee8;border-radius:20px;padding:22px;box-shadow:0 14px 35px rgba(16,33,51,.06);margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
input,select,textarea{width:100%;padding:13px;border:1px solid #dfe8e3;border-radius:12px;font-size:15px;box-sizing:border-box}
textarea{min-height:90px}.full{grid-column:1/-1}
.btn{display:inline-block;background:#10a957;color:#fff!important;padding:12px 18px;border-radius:12px;border:0;font-weight:800;cursor:pointer}
.btn-danger{background:#dc2626}.btn-muted{background:#475569}.msg{padding:12px 14px;border-radius:12px;background:#e9fff3;color:#06733a;margin-bottom:15px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}
th,td{padding:13px;border-bottom:1px solid #e4eee8;text-align:left}th{background:#e9fff3}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e9fff3,#fff)}
.login-box{width:min(420px,92%);background:#fff;padding:30px;border-radius:24px;box-shadow:0 24px 60px rgba(16,33,51,.12)}
.login-box img{max-width:260px;display:block;margin:auto auto 22px}
@media(max-width:800px){.wrap{display:block}.sidebar{width:auto}.grid{grid-template-columns:1fr}.main{padding:18px}table{font-size:13px}}


/* Phase 18 admin dashboard polish */
.sidebar a.active{
    background:#10a957;
    color:#fff;
}
table small{
    color:#64748b;
}
.main h1{
    margin-top:0;
}


/* Tree sidebar */
.sidebar{width:260px;box-sizing:border-box;overflow-y:auto;position:sticky;top:0;height:100vh}
.sidebar-user{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:10px 12px;margin:-8px 0 14px;color:#d7fbe6;font-weight:800}
.nav-group{margin:8px 0;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:7px}
.nav-group summary{cursor:pointer;list-style:none;padding:10px 8px;color:#8ee7b6;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.nav-group summary::-webkit-details-marker{display:none}
.nav-group summary:before{content:"▸";display:inline-block;margin-right:8px;transition:.2s}
.nav-group[open] summary:before{transform:rotate(90deg)}
.sidebar .nav-group a{margin:4px 0 4px 14px;padding:10px 12px;border-radius:10px;font-size:14px}