/* =================================================================
   Goflow.lk — Admin Panel
================================================================= */
:root{
    --a-blue:#2563eb;--a-blue-dark:#1d4ed8;--a-green:#10b981;--a-navy:#0f172a;
    --a-bg:#f1f5f9;--a-card:#fff;--a-border:#e2e8f0;--a-text:#0f172a;--a-muted:#64748b;
    --a-sidebar:#0f172a;--a-radius:14px;--a-shadow:0 4px 16px rgba(15,23,42,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
body.admin{font-family:'Inter',system-ui,sans-serif;background:var(--a-bg);color:var(--a-text);font-size:15px;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:.95rem}

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

/* sidebar */
.admin-sidebar{background:var(--a-sidebar);color:#cbd5e1;padding:1.4rem 1rem;position:fixed;width:260px;height:100vh;overflow-y:auto;z-index:50;transition:transform .3s ease}
.admin-brand{display:flex;align-items:center;gap:.6rem;font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;font-size:1.3rem;color:#fff;padding:.4rem .6rem 1.4rem;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:1rem}
.admin-brand .bm{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--a-blue),var(--a-green));color:#fff}
.admin-brand .dot{color:var(--a-green)}
.admin-nav{display:grid;gap:.25rem}
.admin-nav .nav-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:.9rem .8rem .4rem;font-weight:700}
.admin-nav a{display:flex;align-items:center;gap:.8rem;padding:.75rem .85rem;border-radius:10px;color:#cbd5e1;font-weight:500;font-size:.95rem;transition:.15s}
.admin-nav a i{width:20px;text-align:center;font-size:1rem}
.admin-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-nav a.active{background:linear-gradient(135deg,var(--a-blue),var(--a-blue-dark));color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.35)}
.admin-nav a .pill{margin-left:auto;background:#f59e0b;color:#fff;font-size:.7rem;font-weight:700;padding:.1rem .5rem;border-radius:99px}
.sidebar-foot{margin-top:1.4rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.08)}

/* main */
.admin-main{grid-column:2;display:flex;flex-direction:column;min-height:100vh}
.admin-topbar{background:#fff;border-bottom:1px solid var(--a-border);padding:0 1.6rem;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}
.admin-topbar h1{font-family:'Plus Jakarta Sans',sans-serif;font-size:1.25rem;font-weight:700}
.topbar-right{display:flex;align-items:center;gap:1rem}
.admin-user{display:flex;align-items:center;gap:.6rem;font-size:.9rem;font-weight:600}
.admin-user .au-av{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--a-blue),var(--a-green));color:#fff;display:grid;place-items:center;font-weight:700}
.menu-btn{display:none;width:42px;height:42px;border-radius:10px;background:var(--a-bg);font-size:1.2rem}
.admin-content{padding:1.8rem 1.6rem;flex:1}

/* flash */
.a-flash{display:flex;align-items:center;gap:.6rem;padding:.85rem 1.1rem;border-radius:10px;margin-bottom:1.2rem;font-weight:500;font-size:.92rem}
.a-flash.success{background:#ecfdf5;color:#059669;border:1px solid #d1fae5}
.a-flash.error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.a-flash.info{background:#eff6ff;color:#1d4ed8;border:1px solid #dbeafe}

/* stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.1rem;margin-bottom:1.8rem}
.stat-card{background:#fff;border:1px solid var(--a-border);border-radius:var(--a-radius);padding:1.3rem;display:flex;align-items:center;gap:1rem;transition:.2s}
.stat-card:hover{box-shadow:var(--a-shadow);transform:translateY(-3px)}
.stat-ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;font-size:1.3rem;color:#fff;flex:none}
.stat-card .sv{font-family:'Plus Jakarta Sans',sans-serif;font-size:1.7rem;font-weight:800;line-height:1}
.stat-card .sl{color:var(--a-muted);font-size:.85rem;margin-top:.2rem}
.bg-blue{background:linear-gradient(135deg,#2563eb,#3b82f6)}
.bg-green{background:linear-gradient(135deg,#10b981,#059669)}
.bg-amber{background:linear-gradient(135deg,#f59e0b,#d97706)}
.bg-red{background:linear-gradient(135deg,#ef4444,#dc2626)}
.bg-purple{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}
.bg-slate{background:linear-gradient(135deg,#475569,#334155)}

/* card */
.a-card{background:#fff;border:1px solid var(--a-border);border-radius:var(--a-radius);padding:1.4rem;margin-bottom:1.5rem}
.a-card-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.2rem;flex-wrap:wrap}
.a-card-head h2{font-family:'Plus Jakarta Sans',sans-serif;font-size:1.15rem}
.a-card-head h2 i{color:var(--a-blue);margin-right:.4rem}

/* tabs */
.a-tabs{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1.2rem}
.a-tab{padding:.55rem 1.1rem;border-radius:99px;border:1.5px solid var(--a-border);background:#fff;font-weight:600;font-size:.88rem;color:var(--a-muted);transition:.15s}
.a-tab:hover{border-color:#bfdbfe;color:var(--a-blue)}
.a-tab.active{background:var(--a-blue);color:#fff;border-color:var(--a-blue)}
.a-tab .c{opacity:.8;font-weight:700}

/* table */
.a-table-wrap{overflow-x:auto;border:1px solid var(--a-border);border-radius:var(--a-radius);background:#fff}
table.a-table{width:100%;border-collapse:collapse;min-width:680px}
.a-table th{text-align:left;padding:.9rem 1rem;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--a-muted);background:#f8fafc;border-bottom:1px solid var(--a-border);font-weight:700;white-space:nowrap}
.a-table td{padding:.85rem 1rem;border-bottom:1px solid var(--a-border);font-size:.9rem;vertical-align:middle}
.a-table tr:last-child td{border-bottom:none}
.a-table tr:hover td{background:#f8fafc}
.t-user{display:flex;align-items:center;gap:.7rem}
.t-user img{width:42px;height:42px;border-radius:10px;object-fit:cover}
.t-user .tn{font-weight:600}.t-user .te{font-size:.78rem;color:var(--a-muted)}

/* badges */
.a-badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.74rem;font-weight:700;padding:.3rem .65rem;border-radius:99px;white-space:nowrap}
.a-pending{background:#fff7ed;color:#d97706}
.a-approved{background:#ecfdf5;color:#059669}
.a-rejected{background:#fef2f2;color:#dc2626}
.a-info{background:#eff6ff;color:#1d4ed8}

/* buttons */
.a-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .85rem;border-radius:9px;font-weight:600;font-size:.84rem;transition:.15s;white-space:nowrap}
.a-btn:hover{transform:translateY(-1px)}
.a-btn-sm{padding:.4rem .65rem;font-size:.8rem}
.a-btn-primary{background:var(--a-blue);color:#fff}
.a-btn-primary:hover{background:var(--a-blue-dark)}
.a-btn-green{background:var(--a-green);color:#fff}
.a-btn-green:hover{background:#059669}
.a-btn-red{background:#ef4444;color:#fff}
.a-btn-red:hover{background:#dc2626}
.a-btn-amber{background:#f59e0b;color:#fff}
.a-btn-light{background:#f1f5f9;color:#334155}
.a-btn-light:hover{background:#e2e8f0}
.a-btn-outline{background:#fff;border:1.5px solid var(--a-border);color:#334155}
.a-actions{display:flex;gap:.4rem;flex-wrap:wrap}

/* forms */
.a-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.a-fg{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}
.a-fg.full{grid-column:1/-1}
.a-fg label{font-weight:600;font-size:.85rem}
.a-input{width:100%;padding:.7rem .9rem;border:1.5px solid var(--a-border);border-radius:9px;background:#fff;transition:.15s}
.a-input:focus{outline:none;border-color:var(--a-blue);box-shadow:0 0 0 3px #dbeafe}
textarea.a-input{resize:vertical;min-height:90px}

/* login */
.admin-login{min-height:100vh;display:grid;place-items:center;padding:2rem;
    background:radial-gradient(800px 500px at 80% -10%,#1e3a8a,transparent 60%),#0f172a}
.admin-login-card{width:100%;max-width:420px;background:#fff;border-radius:18px;box-shadow:0 30px 70px rgba(0,0,0,.4);padding:2.4rem}
.admin-login-card .alc-head{text-align:center;margin-bottom:1.6rem}
.admin-login-card .alc-head .bm{width:56px;height:56px;border-radius:15px;display:inline-grid;place-items:center;font-size:1.5rem;color:#fff;background:linear-gradient(135deg,var(--a-blue),var(--a-green));margin-bottom:1rem}
.admin-login-card h1{font-family:'Plus Jakarta Sans',sans-serif;font-size:1.5rem}
.admin-login-card p{color:var(--a-muted);font-size:.9rem;margin-top:.3rem}
.a-input-icon{position:relative}
.a-input-icon i{position:absolute;left:.9rem;top:50%;transform:translateY(-50%);color:#94a3b8}
.a-input-icon .a-input{padding-left:2.5rem}
.cred-hint{background:#eff6ff;border:1px dashed #bfdbfe;border-radius:10px;padding:.8rem;font-size:.82rem;color:#1d4ed8;margin-top:1.2rem;text-align:center}

/* analytics bars */
.bar-row{display:flex;align-items:center;gap:.8rem;margin-bottom:.7rem;font-size:.88rem}
.bar-row .bl{width:150px;flex:none;display:flex;align-items:center;gap:.5rem;color:#334155}
.bar-track{flex:1;height:12px;background:#f1f5f9;border-radius:99px;overflow:hidden}
.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,#2563eb,#10b981)}
.bar-row .bv{width:36px;text-align:right;font-weight:700;color:#334155}

.empty{text-align:center;padding:3rem 1rem;color:var(--a-muted)}
.empty i{font-size:2.6rem;color:#cbd5e1;margin-bottom:.8rem}

.mobile-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:45}

/* responsive */
@media(max-width:900px){
    .admin-shell{grid-template-columns:1fr}
    .admin-sidebar{transform:translateX(-100%)}
    .admin-sidebar.open{transform:translateX(0)}
    .admin-main{grid-column:1}
    .menu-btn{display:grid;place-items:center}
    .mobile-overlay.show{display:block}
    .a-form-grid{grid-template-columns:1fr}
}