@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');
:root{--bg:#f6f7fb;--card:#ffffff;--text:#0f172a;--muted:#64748b;--accent:#2563eb;--danger:#ef4444;--border:#e5e7eb;--shadow:0 6px 24px rgba(2,6,23,.06), 0 2px 8px rgba(2,6,23,.04)}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 "Inter", system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;-webkit-font-smoothing:antialiased;max-width:100%}
.topbar{display:none;width:100%}
.topbar .inner{display:none}
.brand{font-weight:700;color:#0f172a}
.toolbar{margin-left:auto;display:flex;gap:8px}
.container{max-width:1100px;margin:0 auto;padding:24px}
h1{font-size:22px;margin:0 0 16px 0}
.search-form{display:flex;gap:8px;margin-bottom:16px}
input[type=text],input[type=date],input[type=email],select,textarea{background:#ffffff;border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:12px;width:100%;transition:border-color .2s, box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:#93c5fd;box-shadow:0 0 0 3px rgba(147,197,253,.35)}
button,.btn{background:linear-gradient(180deg,#3b82f6,#2563eb);color:#fff;border:none;padding:10px 14px;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-block;box-shadow:var(--shadow);transition:transform .12s ease, box-shadow .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn.secondary{background:#0f172a;color:#fff}
.btn.ghost{background:#ffffff;border:1px solid var(--border);color:#0f172a}
.btn{padding:6px 10px}
.btn.small{padding:4px 8px;font-size:14px}
.link{color:var(--muted);text-decoration:none}
.alert{padding:12px 14px;border-radius:10px;margin:10px 0;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a}
.alert.success{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.alert.error{background:#fef2f2;border-color:#fecaca;color:#7f1d1d}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}
.filters{display:flex;gap:8px;align-items:center;margin-bottom:12px}
.filters .select2-container{width:100% !important;max-width:100%}
table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border-radius:16px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
th,td{padding:14px;border-bottom:1px solid var(--border);text-align:left}
th{color:#0f172a;background:#f8fafc;position:sticky;top:0;z-index:1}
td.num,th.num{text-align:right}
tfoot th{background:#f1f5f9}

/* DataTable uyumu */
.dataTable-wrapper .dataTable-top{display:flex;justify-content:space-between;align-items:center;background:#f8fafc;border:1px solid var(--border);border-bottom:none;border-radius:14px 14px 0 0;padding:12px}
.dataTable-wrapper .dataTable-bottom{display:flex;justify-content:space-between;align-items:center;background:#f8fafc;border:1px solid var(--border);border-top:none;border-radius:0 0 14px 14px;padding:12px}
.dataTable-wrapper .dataTable-container{border:1px solid var(--border);border-top:none;border-bottom:none}
.dataTable-input{background:#ffffff;border:1px solid var(--border);color:var(--text);padding:8px;border-radius:10px}
.dataTable-selector{background:#ffffff;border:1px solid var(--border);color:var(--text);padding:8px;border-radius:10px}
.dataTable-pagination a{color:var(--text)}
.dataTable-pagination .active a{background:var(--accent);color:#fff;border-radius:8px}

/* Sidebar layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:260px;background:#ffffff;border-right:1px solid var(--border);position:sticky;top:0;height:100vh;padding:20px 16px;box-shadow:var(--shadow);z-index:1100}
.sidebar .brand{font-weight:700;color:#0f172a;margin-bottom:12px;display:block}
.sidebar .nav{display:flex;flex-direction:column;gap:6px}
.sidebar .nav a{display:block;color:#0f172a;text-decoration:none;padding:10px 12px;border-radius:12px;transition:background .15s}
.sidebar .nav a:hover{background:#eef2ff}
.sidebar .nav a.active{background:#e2e8f0;border:1px solid var(--border)}
.content{flex:1;padding:24px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Auth page */
.auth-layout{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f8fafc,#eef2ff)}
.auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:20px}
.auth-brand{font-weight:700;color:#0f172a;margin-bottom:6px}
.auth-title{margin:0 0 10px 0;font-size:20px}
.auth-form{display:flex;flex-direction:column;gap:10px}
.auth-label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.auth-input{background:#ffffff;border:1px solid var(--border);color:#0f172a;padding:10px 12px;border-radius:12px}
.auth-meta{margin-top:10px;color:#94a3b8;font-size:12px;text-align:center}
/* Toolbar layout */
.toolbar-row{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:8px 0 12px 0}
.toolbar-left,.toolbar-right{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--border);padding:10px 12px;border-radius:12px;box-shadow:var(--shadow)}
.toolbar-left label.min,.toolbar-right label.min{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.toolbar-left select,.toolbar-right select{background:#ffffff;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:10px}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:center;justify-content:center;padding:20px;z-index:1000;overflow:hidden}
.modal.open{display:flex !important}
.modal__dialog{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);max-width:900px;width:100%;max-height:85vh;display:flex;flex-direction:column;margin:auto}
.modal__header{padding:12px 14px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#fff;z-index:1}
.modal__close{background:#fff;border:1px solid var(--border);border-radius:10px;padding:6px 10px;cursor:pointer;color:#0f172a;font-size:18px;line-height:1}
.modal__close:hover{background:#f1f5f9;border-color:#cbd5e1}
.modal__toolbar{padding:10px 14px;border-bottom:1px solid var(--border);display:flex;gap:10px;align-items:center}
.modal__body{padding:0 14px 14px 14px;overflow:auto;flex:1 1 auto;max-height:70vh}
.modal__footer{padding:12px 14px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}

/* Helpers */
.scroll-x{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
canvas{max-width:100%}
.stack{margin-top:12px;display:grid;grid-template-columns:1fr;gap:16px}

/* Responsive */
@media (max-width: 1024px){
  .layout{flex-direction: column}
  .topbar{display:block;position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:1001}
  .topbar .inner{display:flex;align-items:center;justify-content:space-between;padding:10px 14px}
  .sidebar{position:fixed;left:0;top:0;height:100vh;width:78%;max-width:300px;transform:translateX(-105%);transition:transform .2s ease;background:#fff}
  .sidebar.open{transform:translateX(0)}
  .content{padding:16px}
  .filters{flex-wrap:wrap}
  th{position:static}
  table.table{display:block;overflow-x:auto}
  .dataTable-wrapper .dataTable-top,.dataTable-wrapper .dataTable-bottom{flex-wrap:wrap;gap:8px}
  .modal__dialog{max-width:100%;max-height:90vh}
}

@media (max-width: 640px){
  .toolbar-row{flex-direction:column;gap:8px}
  .toolbar-left,.toolbar-right{width:100%;justify-content:space-between}
  .card{padding:12px}
  .filters select,.filters input{min-width:120px}
  .filters > *{flex:1 1 140px}
  table{table-layout:fixed;width:100%}
  table th, table td{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}