/* ===== Tema (gündüz varsayılan / gece) — içerik alanı ===== */
:root{
  --content-bg:#eef2f7; --card:#ffffff; --card-2:#f8fafc; --card-border:#e2e8f0;
  --text:#0f172a; --head:#0b1220; --muted:#64748b; --topbar:#ffffff;
  --input-bg:#ffffff; --input-border:#cbd5e1;
  --accent:#2563eb; --accent-soft:#dbeafe;
}
html[data-theme="dark"]{
  --content-bg:#0b1220; --card:#111a28; --card-2:#0d1420; --card-border:rgba(255,255,255,.08);
  --text:#e6edf5; --head:#ffffff; --muted:#93a4bb; --topbar:#0f1521;
  --input-bg:#0d1420; --input-border:rgba(255,255,255,.14);
  --accent:#22d3ee; --accent-soft:rgba(34,211,238,.15);
}
*{box-sizing:border-box;}
body{margin:0;background:var(--content-bg);font-family:"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--text);}

/* ===== Yerleşim ===== */
.app-shell{display:flex;min-height:100vh;}
.sidebar{width:252px;background:#0b1220;color:#9fb0c7;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:100;}
.brand{display:flex;align-items:center;gap:12px;padding:18px 18px;border-bottom:1px solid rgba(255,255,255,.08);}
.brand-logo{width:38px;height:38px;object-fit:contain;}
.brand-name{font-size:1.1rem;font-weight:800;color:#fff;line-height:1;}
.brand-name span{color:#22d3ee;}
.brand-tag{font-size:.68rem;color:#64748b;margin-top:3px;font-style:italic;}

.side-nav{padding:10px 0;flex:1;overflow-y:auto;}
.side-nav::-webkit-scrollbar{width:7px;} .side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px;}
.nav-link-item,.nav-parent{display:flex;align-items:center;gap:12px;width:100%;padding:11px 18px;color:#aebcd1;background:none;border:none;font-size:.93rem;text-decoration:none;cursor:pointer;border-left:3px solid transparent;text-align:left;}
.nav-link-item i,.nav-parent i:first-child{font-size:1.15rem;width:20px;text-align:center;}
.nav-link-item:hover,.nav-parent:hover{background:#111a28;color:#fff;}
.nav-link-item.active{background:#111a28;color:#fff;border-left-color:#22d3ee;}
.nav-parent .chev{margin-left:auto;font-size:.8rem;transition:transform .2s;}
.nav-parent[aria-expanded="true"] .chev{transform:rotate(180deg);}
.nav-sub{background:rgba(0,0,0,.22);}
.nav-sub .nav-sub{background:rgba(0,0,0,.30);}
.nav-sub .nav-parent{font-size:.88rem;}
.nav-child{display:flex;align-items:center;gap:10px;padding:10px 18px 10px 40px;color:#93a4bb;font-size:.88rem;text-decoration:none;}
.nav-child i{font-size:.95rem;opacity:.8;}
.nav-child:hover{color:#fff;background:#111a28;}
.nav-child.active{color:#22d3ee;background:#111a28;}
.nav-child.disabled{color:#4b5a70;cursor:not-allowed;opacity:.6;}
.nav-child.disabled:hover{background:none;color:#4b5a70;}

.main{flex:1;margin-left:252px;display:flex;flex-direction:column;}
.topbar{background:var(--topbar);border-bottom:1px solid var(--card-border);padding:13px 26px;display:flex;justify-content:space-between;align-items:center;}
.topbar .page-title{font-size:1.15rem;font-weight:600;margin:0;color:var(--head);}
.topbar-right{display:flex;align-items:center;gap:14px;}
.theme-toggle{background:var(--card);border:1px solid var(--input-border);color:var(--text);width:38px;height:38px;border-radius:9px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.05rem;}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent);}
.user-chip{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.9rem;}
.content{padding:26px;flex:1;}

/* ===== Bileşenler (tema değişkenli) ===== */
.card{border:1px solid var(--card-border);border-radius:12px;background:var(--card);color:var(--text);}
.section-title{font-size:1rem;font-weight:600;margin:0 0 14px;color:var(--head);}
.stat{background:var(--card);border:1px solid var(--card-border);border-radius:12px;padding:18px 20px;display:flex;align-items:center;gap:16px;}
.stat .ico{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;background:var(--accent-soft);color:var(--accent);}
.stat .ico.green{background:#dcfce7;color:#16a34a;} .stat .ico.amber{background:#fef3c7;color:#d97706;} .stat .ico.violet{background:#ede9fe;color:#7c3aed;}
.stat .label{color:var(--muted);font-size:.8rem;} .stat .value{font-size:1.5rem;font-weight:700;line-height:1.1;color:var(--head);}

.bar-row{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.bar-row .name{width:110px;font-size:.85rem;color:var(--text);}
.bar-track{flex:1;background:var(--card-2);border:1px solid var(--card-border);border-radius:6px;height:12px;overflow:hidden;}
.bar-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#2563eb);border-radius:6px;}
.bar-row .cnt{width:36px;text-align:right;font-size:.85rem;font-weight:600;}

.table-card{background:var(--card);border:1px solid var(--card-border);border-radius:12px;overflow:hidden;}
.table-card .table{margin:0;}
.table{color:var(--text);}
.table thead th{font-size:.78rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);border-bottom:2px solid var(--card-border);}
.table td{vertical-align:middle;border-color:var(--card-border);}
.badge-soft-green{background:#dcfce7;color:#16a34a;} .badge-soft-gray{background:var(--card-2);color:var(--muted);} .badge-soft-blue{background:var(--accent-soft);color:var(--accent);}
a.plain{text-decoration:none;}

/* Koyu modda Bootstrap beyazlarını uyarlama */
html[data-theme="dark"] .bg-white{background:var(--card)!important;}
html[data-theme="dark"] .table{--bs-table-bg:transparent;--bs-table-color:var(--text);color:var(--text);}
html[data-theme="dark"] .table-hover>tbody>tr:hover>*{--bs-table-hover-bg:rgba(255,255,255,.04);color:var(--text);}
html[data-theme="dark"] .form-control,html[data-theme="dark"] .form-select{background:var(--input-bg);border-color:var(--input-border);color:var(--text);}
html[data-theme="dark"] .form-control::placeholder{color:#5b6b82;}
html[data-theme="dark"] .form-control:focus,html[data-theme="dark"] .form-select:focus{background:var(--input-bg);color:var(--text);border-color:var(--accent);box-shadow:none;}
html[data-theme="dark"] .input-group-text{background:var(--card-2);border-color:var(--input-border);color:var(--muted);}
html[data-theme="dark"] .btn-outline-secondary{color:var(--muted);border-color:var(--input-border);}
html[data-theme="dark"] .btn-outline-secondary:hover{background:var(--card-2);color:var(--text);}
html[data-theme="dark"] .alert-light{background:var(--card);border-color:var(--card-border);color:var(--text);}
html[data-theme="dark"] .text-muted{color:var(--muted)!important;}

@media (max-width:860px){
  .sidebar{width:68px;}
  .brand-text,.nav-link-item span,.nav-parent span,.nav-parent .chev,.nav-child span{display:none;}
  .main{margin-left:68px;}
  .nav-child{padding-left:18px;}
}