:root{
  --sidebar-bg: linear-gradient(180deg,#0b3a7c 0%, #173a76 40%, #1b2a52 100%);
  --primary:#1d4ed8;
  --primary-600:#2563eb;
  --primary-700:#1e40af;
  --green:#10b981;
  --amber:#f59e0b;
  --violet:#8b5cf6;
  --slate-50:#f8fafc;
  --slate-100:#f1f5f9;
  --slate-200:#e2e8f0;
  --slate-300:#cbd5e1;
  --slate-600:#475569;
  --slate-700:#334155;
  --card: #ffffff;
  --shadow: 0 20px 50px rgba(2,6,23,0.06);
}

*{
    box-sizing:border-box
}
html,body{
    height:100%
}
body{  
    margin:0;
    font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
    background:#eef2f7;
    color:#0f172a
}

.admin-wrap{
    display:grid;
    grid-template-columns:260px 1fr;
    min-height:100vh
}

/* Sidebar */
.sidebar{
    background:var(--sidebar-bg);
    color:#fff;
    display:flex;
    flex-direction:column
}
.brand{
    display:flex;
    align-items:center;
    gap:12px;
    padding:18px 16px;
    border-bottom:1px solid rgba(255,255,255,0.08)
}
.brand-logo{
    width:38px;
    height:38px;
    border-radius:10px;
    background:#fff;
    display:grid;
    place-items:center;
    color:#0b3a7c;
    font-weight:800
}
.brand h1{
    font-size:16px;margin:0;line-height:1.2
}
.nav{
    padding:10px
}
.nav a{
    display:flex;
    align-items:center;
    gap:12px;
    color:#dbeafe;
    text-decoration:none;
    padding:12px 14px;
    border-radius:10px;
    margin:6px 8px;
    font-weight:600;
    transition:.2s
}
.nav a i{
    width:20px;
    text-align:center
}
.nav a:hover{
    background:rgba(255,255,255,0.10)
}
.nav a.active{
    background:#fff;
    color:#0b3a7c;
    box-shadow:0 8px 24px rgba(0,0,0,.12)
}

/* Topbar */
.main{
    padding:24px
}
.topbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:20px
}
.topbar .title{
    display:flex;
    align-items:center;
    gap:10px
}
.topbar .title h2{
    margin:0;
    font-size:26px;
    color:#0b3a7c
}
.topbar .pill{
    background:#fff;
    border:1px solid var(--slate-200);
    padding:10px 14px;
    border-radius:14px;
    display:flex;
    align-items:center;
    gap:10px;
    box-shadow:var(--shadow)
}
.topbar .pill .avatar{
    width:36px;
    height:36px;
    border-radius:50%;
    display:grid;
    place-items:center;
    background:#eef2ff;
    color:#1d4ed8
}

/* Cards */
.grid{ 
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:16px
}
.card{
    background:var(--card);
    border-radius:16px;
    box-shadow:var(--shadow);
    padding:18px;
    border:1px solid var(--slate-200)
}
.metric{
    display:flex;
    align-items:center;
    gap:12px
}
.metric .ico{
    width:44px;
    height:44px;
    border-radius:12px;
    display:grid;
    place-items:center;
    color:#fff;
    font-size:18px
}
.ico-blue{
    background:linear-gradient(135deg,#38bdf8,#1d4ed8)
}
.ico-green{
    background:linear-gradient(135deg,#34d399,#059669)
}
.ico-amber{
    background:linear-gradient(135deg,#fbbf24,#f59e0b)
}
.ico-violet{
    background:linear-gradient(135deg,#a78bfa,#7c3aed)
}
.metric .num{
    font-size:30px;
    font-weight:800;
    color:#0b3a7c
}
.metric .label{
    color:var(--slate-600);
    font-weight:600
}

/* Content card */
.content-card{
    background:#fff;
    border:1px solid var(--slate-200);
    border-radius:16px;
    box-shadow:var(--shadow);
    padding:18px
}
.section-title{
    margin:0 0 12px;
    font-size:18px;
    color:#0b3a7c;
    display:flex;
    align-items:center;
    gap:10px
}

/* Manage layout */
.manage-wrap{
    display:grid;
    grid-template-columns:380px 1fr;
    gap:16px
}
.form .field{
    display:flex;
    flex-direction:column;
    margin-bottom:12px
}
.form label{
    font-weight:700;
    color:#0f172a;
    margin-bottom:6px
}
.form input,.form textarea,.form select{
    background:#fff;
    border:1px solid var(--slate-300);
    border-radius:12px;
    padding:12px 12px;
    font-size:14px
}
.form input[type=file]{
    padding:10px;
    background:#fff
}
.btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    border:0;
    border-radius:12px;
    padding:10px 14px;
    font-weight:800;
    cursor:pointer
}
.btn-primary{
    background:linear-gradient(135deg,#60a5fa,#2563eb);
    color:#fff;
    box-shadow:0 10px 25px rgba(37,99,235,.25)
}
.btn-danger{
    background:linear-gradient(135deg,#f87171,#ef4444);
    color:#fff
}
.table{
    width:100%;
    border-collapse:collapse
}
.table th,.table td{
    padding:10px;
    border-bottom:1px solid var(--slate-200);
    text-align:left;
    font-size:14px
}
.badge{
    display:inline-block;
    padding:4px 8px;
    border-radius:999px;
    background:#eef2ff;
    color:#1e40af;
    font-size:12px
}
.thumb{
    width:58px;
    height:58px;
    border-radius:8px;
    object-fit:cover;
    border:1px solid var(--slate-200)
}
.hint{
    color:var(--slate-600);
    font-size:12px
}
.preview{
    display:flex;
    align-items:center;
    gap:10px;
    margin-top:6px
}
@media (max-width: 1000px){
    .admin-wrap{
        grid-template-columns:1fr
    }
    .sidebar{
        position:fixed;
        inset:0 40% 0 0;
        z-index:50;
        transform:translateX(-100%);
        transition:.25s
    }
    .sidebar.show{
        transform:none
    }
    .main{
        padding:90px 16px 24px
    }
    .topbar{
        position:fixed;
        left:0;
        right:0;
        top:0;
        background:#eef2f7;
        padding:10px 16px;
        z-index:40;
        border-bottom:1px solid var(--slate-200)
    }
    .manage-wrap{
        grid-template-columns:1fr
    }
}