:root{
  color-scheme:light;
  --bg:#f1f5f9;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --line:#e2e8f0;
  --line-strong:#cbd5e1;
  --text:#0f172a;
  --muted:#64748b;
  --muted-2:#94a3b8;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#eff6ff;
  --danger:#ef4444;
  --danger-soft:#fef2f2;
  --success:#10b981;
  --success-soft:#ecfdf5;
  --warning:#f59e0b;
  --warning-soft:#fffbeb;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --sidebar:#0f172a;
  --sidebar-2:#1e293b;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
a{color:inherit}
code{font-family:var(--mono);background:var(--surface-2);border:1px solid var(--line);padding:1px 6px;border-radius:6px;font-size:.85em}

/* ---------- Layout ---------- */
.app{display:grid;grid-template-columns:264px minmax(0,1fr);min-height:100vh}
.sidebar{background:var(--sidebar);color:#e2e8f0;display:flex;flex-direction:column;padding:24px 20px;gap:32px;position:sticky;top:0;height:100vh;border-right:1px solid var(--sidebar-2)}
.brand{display:flex;align-items:center;gap:14px}
.brand .mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#3b82f6,#2563eb);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;letter-spacing:.03em;flex:none;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.brand b{display:block;font-size:16px;color:#fff;line-height:1.2;font-weight:700}
.brand small{display:block;color:#94a3b8;font-size:12px;margin-top:2px;font-weight:500}
.nav{display:flex;flex-direction:column;gap:6px}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin:0 8px 8px;font-weight:700}
.nav button{all:unset;box-sizing:border-box;display:flex;align-items:center;gap:12px;width:100%;padding:10px 14px;border-radius:10px;color:#cbd5e1;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}
.nav button .ico{width:18px;height:18px;flex:none;opacity:.7}
.nav button .count{margin-left:auto;background:rgba(255,255,255,.1);color:#cbd5e1;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px}
.nav button:hover{background:rgba(255,255,255,.05);color:#fff}
.nav button.active{background:var(--sidebar-2);color:#fff;box-shadow:inset 3px 0 0 var(--primary)}
.nav button.active .ico{opacity:1;color:var(--primary)}
.nav button.active .count{background:var(--primary);color:#fff}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.side-user{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}
.side-user .avatar{width:36px;height:36px;border-radius:50%;background:var(--sidebar-2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none;text-transform:uppercase;border:1px solid rgba(255,255,255,.1)}
.side-user .meta{min-width:0}
.side-user .meta b{display:block;color:#f8fafc;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.side-user .meta span{display:block;color:#94a3b8;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-logout{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:10px;color:#fca5a5;text-decoration:none;font-size:13px;font-weight:600;border:1px solid rgba(248,113,113,.2);transition:all .2s}
.side-logout:hover{background:rgba(248,113,113,.1);border-color:rgba(248,113,113,.3)}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;height:68px;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:16px}
.topbar h1{font-size:19px}
.topbar .sub{color:var(--muted);font-size:12.5px;margin-top:1px}
.topbar-right{display:flex;align-items:center;gap:14px}
.health{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);padding:7px 12px;border-radius:999px}
.health strong{color:var(--text)}
.status-dot{width:9px;height:9px;border-radius:50%;background:#cbd5e1;position:relative}
.status-dot.on{background:#12b76a;box-shadow:0 0 0 3px rgba(18,183,106,.18)}
.content{padding:24px 28px 56px;max-width:1320px;width:100%}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.stat .stat-top{display:flex;align-items:center;justify-content:space-between}
.stat-label{font-size:12.5px;color:var(--muted);font-weight:500}
.stat-ico{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary)}
.stat-ico.green{background:var(--success-soft);color:var(--success)}
.stat-ico.violet{background:#f5f3ff;color:#7c3aed}
.stat-ico.amber{background:var(--warning-soft);color:var(--warning)}
.stat-value{font-size:26px;font-weight:750;letter-spacing:-.02em}

/* ---------- Cards / panels ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.panel-head h2{font-size:16px}
.panel-head .hint{color:var(--muted);font-size:13px;font-weight:500}
.panel-body{padding:22px}

/* ---------- Buttons ---------- */
.btn{border:1px solid transparent;border-radius:var(--radius-sm);padding:10px 16px;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;transition:all .15s;outline:none}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{box-shadow:0 0 0 3px var(--primary-soft)}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(0,0,0,.05);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn-secondary{background:var(--surface);color:#334155;border-color:var(--line-strong);box-shadow:0 1px 2px rgba(0,0,0,.02)}
.btn-secondary:hover{background:var(--surface-2);color:#0f172a}
.btn-danger{background:var(--danger-soft);color:#b91c1c;border-color:#fecaca}
.btn-danger:hover{background:#fee2e2;color:#991b1b}
.btn-success{background:var(--success-soft);color:#059669;border-color:#a7f3d0}
.btn-success:hover{background:#d1fae5;color:#047857}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-sm{padding:7px 12px;font-size:12.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.toolbar h2{font-size:16px}
.toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.search{position:relative;display:flex;align-items:center}
.search svg{position:absolute;left:11px;width:16px;height:16px;color:var(--muted-2);pointer-events:none}
.search input{border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:9px 12px 9px 34px;font:inherit;font-size:13.5px;background:var(--surface);min-width:230px}
.search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}

/* ---------- Tables ---------- */
.table-wrap{overflow:auto;border-radius:var(--radius-sm);border:1px solid var(--line)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:14px 16px;font-size:13px;border-bottom:1px solid var(--line)}
.table thead th{position:sticky;top:0;color:var(--muted);background:rgba(248,250,252,.95);backdrop-filter:blur(4px);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em;z-index:1}
.table tbody tr{transition:background .12s}
.table tbody tr:hover{background:var(--surface-2)}
.table tbody tr:last-child td{border-bottom:0}
.table tbody tr.is-selected{background:var(--primary-soft)}
.table .name{font-weight:600;color:var(--text)}
.table .num{font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono);font-size:12.5px}
.muted{color:var(--muted)}
.cell-client{display:flex;align-items:center;gap:12px}
.cell-client .avatar{width:36px;height:36px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;flex:none;text-transform:uppercase;font-size:13px}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;font-size:11.5px;font-weight:600;line-height:1}
.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-active{background:var(--success-soft);color:#067647}
.badge-suspended{background:var(--warning-soft);color:#b54708}
.badge-limit{background:var(--danger-soft);color:#b42318}
.badge-deleted{background:#f1f5f9;color:#475467}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line);font-size:12px;font-weight:500}
.chip b{color:var(--primary);font-variant-numeric:tabular-nums}

/* ---------- Progress ---------- */
.progress{height:6px;background:#eef2f7;border-radius:99px;overflow:hidden;min-width:120px;margin-top:7px}
.progress span{display:block;height:100%;background:linear-gradient(90deg,#60a5fa,#2563eb);border-radius:99px}
.progress.warn span{background:linear-gradient(90deg,#fbbf24,#f59e0b)}
.progress.danger span{background:linear-gradient(90deg,#fb7185,#f04438)}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:#334155}
.field input,.field select{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:10px 12px;font:inherit;font-size:14px;background:var(--surface);transition:all .15s;outline:none}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.field small{display:block;color:var(--muted);margin-top:6px;font-size:12.5px}
.span-2{grid-column:span 2}

/* ---------- Flash ---------- */
.flash{padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:13.5px;font-weight:500;display:flex;align-items:center;gap:10px;border:1px solid transparent}
.flash svg{width:18px;height:18px;flex:none}
.flash-success{background:var(--success-soft);color:#067647;border-color:#abefc6}
.flash-error{background:var(--danger-soft);color:#b42318;border-color:#fecdca}

/* ---------- Detail ---------- */
.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.detail-item{padding:16px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm)}
.detail-item span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:500}
.detail-item strong{font-size:14px;word-break:break-all}
.key-row{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 10px;margin-top:6px}
.key-row code{flex:1;background:transparent;border:0;overflow:auto;white-space:nowrap;padding:0;font-size:13px}

/* ---------- Chart ---------- */
.chart{display:flex;align-items:flex-end;gap:3px;height:150px;padding-top:14px}
.bar{flex:1;min-width:4px;background:linear-gradient(180deg,#93c5fd,#3b82f6);border-radius:4px 4px 0 0;position:relative;transition:opacity .12s;min-height:4px}
.bar:hover{opacity:.8}
.bar:hover:after{content:attr(data-label);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:#0f172a;color:#fff;padding:6px 9px;border-radius:7px;white-space:nowrap;font-size:11px;z-index:5;box-shadow:var(--shadow-lg)}

/* ---------- Empty ---------- */
.empty{text-align:center;padding:52px 24px;color:var(--muted)}
.empty .empty-ico{width:56px;height:56px;border-radius:16px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--muted-2)}
.empty h3{font-size:15px;color:var(--text);margin-bottom:6px}
.empty p{max-width:420px;margin:0 auto}

/* ---------- Tabs sections ---------- */
.tab-panel{display:none;animation:fade .18s ease}
.tab-panel.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.section+.section{margin-top:22px}

/* ---------- İstemci alt sekmeleri ---------- */
.client-subnav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.client-subnav a{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:13px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,color .15s}
.client-subnav a:hover{color:var(--text);border-color:var(--line-2)}
.client-subnav a.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}

/* ---------- Grid split ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}

/* ---------- Modal (dialog) ---------- */
dialog{border:0;border-radius:16px;padding:0;box-shadow:var(--shadow-lg);width:min(480px,calc(100vw - 32px));color:var(--text)}
dialog::backdrop{background:rgba(15,23,42,.5);backdrop-filter:blur(2px)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:16px}
.modal-close{all:unset;cursor:pointer;color:var(--muted);width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:var(--surface-2)}
.modal-body{padding:20px}
.modal-foot{padding:16px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;background:var(--surface-2);border-radius:0 0 16px 16px}

.inline{display:inline}
.actions{display:flex;flex-wrap:wrap;gap:9px}
.copied{color:var(--success);font-weight:600}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .app{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:14px;padding:14px 16px}
  .nav{flex-direction:row;flex-wrap:wrap;gap:6px;width:100%;order:3}
  .nav-label{display:none}
  .nav button{width:auto;padding:9px 12px}
  .nav button .count{display:none}
  .side-foot{margin:0 0 0 auto;flex-direction:row;align-items:center;gap:10px}
  .side-user{background:transparent;padding:0}
  .side-user .meta{display:none}
  .content{padding:18px 16px 44px}
  .topbar{padding:0 16px}
}
@media(max-width:520px){
  .stats{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .span-2{grid-column:auto}
  .detail-grid{grid-template-columns:1fr}
  .topbar h1{font-size:16px}
}

/* ---------- Login ---------- */
.login-body{min-height:100vh;margin:0;background:radial-gradient(circle at top left,#1e293b 0%,transparent 50%),linear-gradient(160deg,#0f172a 0%,#020617 100%);display:flex;align-items:center;justify-content:center;padding:24px}
.login-shell{width:100%;max-width:420px}
.login-card{background:rgba(255,255,255,.98);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:36px 32px;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.login-brand{text-align:center;margin-bottom:28px}
.login-mark{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:.04em;margin-bottom:16px;box-shadow:0 8px 20px rgba(37,99,235,.35)}
.login-brand h1{margin:0;font-size:24px;color:#0f172a;letter-spacing:-.02em}
.login-brand p{margin:8px 0 0;color:#64748b;font-size:14px}
.login-form{display:grid;gap:16px}
.login-form .field label{color:#334155}
.login-submit{width:100%;padding:12px 16px;margin-top:6px;font-size:14.5px}

/* ---------- Pagination ---------- */
.pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding:14px 20px;border-top:1px solid var(--line);flex-wrap:wrap}
.pagination-info{font-size:13px;color:var(--muted);font-weight:500;min-width:120px;text-align:center}
.pagination .btn[disabled],.pagination span.btn[disabled]{opacity:.45;pointer-events:none}