:root {
  --bg: #0f1419;
  --panel: #1a2129;
  --panel-2: #222c37;
  --border: #2e3a47;
  --text: #e3e8ee;
  --muted: #8a98a8;
  --accent: #3d8b6f;
  --accent-2: #4fa885;
  --danger: #c0564e;
  --warn: #cf9b4a;
  --ok: #4fa885;
  --blue: #4a7fb0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.wrap { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; background: var(--panel); border-right: 1px solid var(--border);
  padding: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { padding: 20px 18px; border-bottom: 1px solid var(--border); }
.brand h1 { font-size: 16px; font-weight: 700; letter-spacing: .3px; }
.brand span { font-size: 11px; color: var(--muted); }
.nav { padding: 10px 0; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 11px 18px;
  color: var(--text); border-left: 3px solid transparent; font-size: 13.5px;
}
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { background: var(--panel-2); border-left-color: var(--accent); color: #fff; }
.nav .ico { width: 18px; text-align: center; opacity: .85; }

.main { flex: 1; padding: 26px 32px; max-width: 1500px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.page-head h2 { font-size: 22px; font-weight: 650; }

/* Cards / KPI */
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px;
}
.kpi .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.kpi .sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.kpi.green { border-top: 3px solid var(--ok); }
.kpi.red { border-top: 3px solid var(--danger); }
.kpi.blue { border-top: 3px solid var(--blue); }
.kpi.warn { border-top: 3px solid var(--warn); }

.section-title { font-size: 15px; font-weight: 600; margin: 26px 0 12px; color: var(--text); }

/* Tables */
table { width: 100%; border-collapse: collapse; }
.tbl { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.tbl thead th {
  background: var(--panel-2); text-align: left; padding: 11px 14px; font-size: 12px;
  color: var(--muted); text-transform: uppercase; letter-spacing: .4px; font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.tbl tbody td { padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: var(--panel-2); }
.right { text-align: right; }
.center { text-align: center; }
.num { font-variant-numeric: tabular-nums; text-align: right; }

/* Badges */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px;
  font-weight: 600; border: 1px solid transparent;
}
.b-green { background: rgba(79,168,133,.15); color: var(--ok); border-color: rgba(79,168,133,.3); }
.b-red { background: rgba(192,86,78,.15); color: #e08a83; border-color: rgba(192,86,78,.3); }
.b-warn { background: rgba(207,155,74,.15); color: var(--warn); border-color: rgba(207,155,74,.3); }
.b-blue { background: rgba(74,127,176,.15); color: #7eb0d8; border-color: rgba(74,127,176,.3); }
.b-gray { background: rgba(138,152,168,.12); color: var(--muted); border-color: rgba(138,152,168,.25); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  cursor: pointer; font-size: 13.5px; font-weight: 500; font-family: inherit;
}
.btn:hover { background: var(--border); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-danger { color: #e08a83; }
.btn-danger:hover { background: rgba(192,86,78,.2); }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 11px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13.5px; font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 60px; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; }

/* Modal */
.modal-bg {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6);
  z-index: 100; align-items: flex-start; justify-content: center; padding: 40px 20px; overflow-y: auto;
}
.modal-bg.show { display: flex; }
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  width: 100%; max-width: 620px; padding: 24px;
}
.modal h3 { margin-bottom: 18px; font-size: 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* Flash */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13.5px; }
.flash.ok { background: rgba(79,168,133,.15); border: 1px solid rgba(79,168,133,.35); color: #9fd9c2; }

.muted { color: var(--muted); }
.empty { padding: 40px; text-align: center; color: var(--muted); }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.pill { padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border); font-size: 12.5px; cursor: pointer; }
.pill.active { background: var(--accent); border-color: var(--accent); color: #fff; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-label { width: 150px; font-size: 13px; }
.bar-track { flex: 1; height: 22px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 5px; }
.bar-val { width: 130px; text-align: right; font-size: 13px; font-variant-numeric: tabular-nums; }

/* Oturum kutusu (kenar menü altı) */
.oturum {
  padding: 12px 18px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px; color: var(--muted);
}
.cikis-btn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer;
}
.cikis-btn:hover { color: var(--danger); border-color: var(--danger); }

/* Mobil: kenar menü üste alınır, tablolar yatay kaydırılır */
@media (max-width: 820px) {
  .wrap { display: block; }
  .sidebar {
    width: 100%; height: auto; position: static; border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .brand { padding: 14px 16px; }
  .nav {
    display: flex; overflow-x: auto; padding: 0; -webkit-overflow-scrolling: touch;
  }
  .nav a {
    flex: 0 0 auto; border-left: none; border-bottom: 3px solid transparent;
    padding: 10px 12px; white-space: nowrap;
  }
  .nav a.active { border-bottom-color: var(--accent); }
  .main { padding: 16px 14px; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr !important; }
  .page-head { flex-wrap: wrap; gap: 10px; }
  .tbl { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tbl table { min-width: 640px; }
  .modal { width: calc(100vw - 32px) !important; max-height: 88vh; overflow-y: auto; }
}

/* Yazdırma: kenar menü ve butonları gizle */
@media print {
  .sidebar, .no-print, .btn, .filter-bar, .oturum { display: none !important; }
  .main { padding: 0 !important; max-width: 100% !important; }
  .wrap { display: block !important; }
  body { background: #fff; color: #000; }
  .tbl, .card { border-color: #ccc; }
  .tbl thead th { background: #eee; color: #000; }
}