/* Sunucu panosu - belirteçler. Durum renkleri sabittir (tema ile değişmez) ve hep simge + metinle kullanılır. */
:root {
  color-scheme: light;
  --page: #eef1f4;
  --surface: #ffffff;
  --surface-2: #f6f8fa;
  --ink: #16202b;
  --ink-2: #4a5866;
  --muted: #6f7d8b;
  --line: #d9e0e7;
  --accent: #2a78d6;
  --track: #dbe8f8;
  --spark: #9aa8b6;
  --focus: #2a78d6;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --down: #8a96a3;
  --warn-ink: #8a5a00;
  --crit-ink: #b12b2b;
  --radius-card: 10px;
  --radius-ctl: 7px;
  font-family: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0f1419;
    --surface: #171d24;
    --surface-2: #1d252e;
    --ink: #e8edf2;
    --ink-2: #a9b6c3;
    --muted: #8593a1;
    --line: #26303b;
    --accent: #3987e5;
    --track: #1b2c42;
    --spark: #5d6b79;
    --focus: #6da7ec;
    --warn-ink: #fab219;
    --crit-ink: #f07a7a;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0f1419;
  --surface: #171d24;
  --surface-2: #1d252e;
  --ink: #e8edf2;
  --ink-2: #a9b6c3;
  --muted: #8593a1;
  --line: #26303b;
  --accent: #3987e5;
  --track: #1b2c42;
  --spark: #5d6b79;
  --focus: #6da7ec;
  --warn-ink: #fab219;
  --crit-ink: #f07a7a;
}

* { box-sizing: border-box; }
html { background: var(--page); }
body {
  margin: 0;
  padding: 24px clamp(16px, 3vw, 40px) 48px;
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 6px 10px; border-radius: 6px; }
.skip:focus { left: 16px; z-index: 10; }

/* Üst bölüm */
.top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 24px; }
.fleet {
  margin: 0;
  font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.fleet-sub { margin: 6px 0 0; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.fleet-sub .count { display: inline-flex; align-items: center; gap: 6px; }
.top-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.updated { color: var(--muted); font-size: 13px; }
.updated.stale { color: var(--warn-ink); }
.theme, .refresh, .views button, .filters button {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-ctl);
  padding: 7px 12px;
  cursor: pointer;
}
.theme:hover, .views button:hover, .filters button:hover { background: var(--surface-2); }
.refresh { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; min-width: 120px; }
.refresh:hover { filter: brightness(1.06); }
.refresh[disabled] { cursor: progress; filter: saturate(0.6); }

/* Rack şeridi: her sunucu bir birim */
.rack {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(34px, 1fr));
  gap: 4px;
  margin: 20px 0 18px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.unit {
  position: relative;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-2);
  cursor: pointer;
  padding: 0;
}
.unit::before {
  content: "";
  position: absolute; left: 6px; right: 6px; top: 50%;
  height: 4px; margin-top: -2px; border-radius: 2px;
  background: var(--u, var(--down));
}
.unit[data-status="ok"] { --u: var(--good); }
.unit[data-status="warn"] { --u: var(--warning); }
.unit[data-status="crit"] { --u: var(--critical); }
.unit[data-status="down"] { --u: var(--down); }
.unit[data-status="down"]::before { background: repeating-linear-gradient(90deg, var(--down) 0 4px, transparent 4px 7px); }
.unit.pending::before { opacity: 0.25; }
.unit.arrived::before { animation: arrive 700ms ease-out; }
@keyframes arrive { from { transform: scaleX(0.2); opacity: 0.2; } to { transform: scaleX(1); opacity: 1; } }

/* KPI'lar */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 14px 16px; }
.kpi-label { color: var(--ink-2); font-size: 13px; }
.kpi-value { font-size: 22px; font-weight: 650; margin-top: 2px; }
.kpi-value small { font-size: 14px; font-weight: 500; color: var(--ink-2); }
.kpi-sub { color: var(--muted); font-size: 12.5px; margin-top: 6px; }
.kpi .meter { margin-top: 10px; }
.kpi-link { background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }

/* Araç çubuğu */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin-bottom: 16px; }
.search input {
  width: min(320px, 100%);
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-ctl);
  background: var(--surface);
}
.search { flex: 1 1 220px; }
.search input { width: 100%; max-width: 360px; }
.filters, .views { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button[aria-checked="true"], .views button[aria-checked="true"] {
  background: var(--ink); color: var(--surface); border-color: var(--ink);
}
.filters .n { color: inherit; opacity: 0.7; margin-left: 4px; }
.sort { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); }
.sort select { padding: 6px 8px; border: 1px solid var(--line); border-radius: var(--radius-ctl); background: var(--surface); }

/* Kartlar */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--s, var(--down));
  border-radius: var(--radius-card);
  padding: 14px 16px 12px;
  display: flex; flex-direction: column; gap: 10px;
  scroll-margin-top: 16px;
}
.card[data-status="ok"] { --s: var(--good); }
.card[data-status="warn"] { --s: var(--warning); }
.card[data-status="crit"] { --s: var(--critical); }
.card[data-status="down"] { --s: var(--down); }
.card.flash { box-shadow: 0 0 0 3px var(--focus); transition: box-shadow 200ms; }
.card-head { display: flex; align-items: baseline; gap: 8px; }
.card-name { margin: 0; font-size: 16px; font-weight: 650; overflow-wrap: anywhere; }
.env { font-size: 11.5px; color: var(--ink-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 7px; }
.status { margin-left: auto; font-size: 12.5px; display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.status[data-status="ok"] { color: var(--good); }
.status[data-status="warn"] { color: var(--warn-ink); }
.status[data-status="crit"] { color: var(--crit-ink); }
.status[data-status="down"] { color: var(--muted); }
.card-sub { display: flex; justify-content: space-between; gap: 10px; color: var(--ink-2); font-size: 13px; margin-top: -6px; }
.card-sub .ip { font-variant-numeric: tabular-nums; color: var(--muted); }

.metric { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 4px 10px; }
.metric-label { color: var(--ink-2); font-size: 13px; }
.metric-value { font-variant-numeric: tabular-nums; font-size: 13px; text-align: right; white-space: nowrap; }
.metric-value strong { font-weight: 650; }
.metric-detail { grid-column: 2 / 4; display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; }
.meter { height: 8px; border-radius: 4px; background: var(--track); overflow: hidden; }
.meter-fill { height: 100%; border-radius: 4px; background: var(--accent); }
.meter-fill[data-level="warn"] { background: var(--warning); }
.meter-fill[data-level="crit"] { background: var(--critical); }

.spark { display: block; width: 100%; height: 26px; grid-column: 2 / 4; cursor: crosshair; }
.spark polyline { fill: none; stroke: var(--spark); stroke-width: 1.5; }
.spark circle { fill: var(--accent); }
.spark .hover { fill: var(--ink); }

.facts { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; color: var(--ink-2); font-size: 13px; }
.facts div { display: flex; gap: 5px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }

.badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-2);
}
.badge .i { font-size: 10px; }
.badge[data-level="crit"] { border-color: color-mix(in srgb, var(--critical) 45%, var(--line)); color: var(--crit-ink); }
.badge[data-level="crit"] .i { color: var(--critical); }
.badge[data-level="warn"] { border-color: color-mix(in srgb, var(--warning) 55%, var(--line)); color: var(--warn-ink); }
.badge[data-level="warn"] .i { color: var(--warning); }

.alerts { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; font-size: 13px; }
.alerts li { display: flex; gap: 7px; align-items: baseline; }
.alerts .i { flex: none; width: 12px; text-align: center; font-size: 11px; }
.alerts li[data-level="crit"] .i { color: var(--critical); }
.alerts li[data-level="warn"] .i { color: var(--warning); }
.alerts li[data-level="info"] { color: var(--muted); }

.error { margin: 0; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); color: var(--ink-2); font-size: 13px; }
.error strong { color: var(--ink); display: block; margin-bottom: 2px; }

details.more { border-top: 1px solid var(--line); padding-top: 8px; font-size: 13px; }
details.more summary { cursor: pointer; color: var(--ink-2); }
details.more .grid { display: grid; gap: 8px; margin-top: 8px; }
details.more h4 { margin: 0 0 3px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
details.more ul { margin: 0; padding-left: 16px; }
details.more .mono { font-variant-numeric: tabular-nums; }
details.more .apps { margin: 0; overflow-wrap: anywhere; }

/* Tablo */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.wrap { white-space: normal; min-width: 240px; color: var(--ink-2); }
tbody tr:last-child td { border-bottom: 0; }
th { font-weight: 600; color: var(--ink-2); background: var(--surface-2); position: sticky; top: 0; }
th button { background: none; border: 0; padding: 0; cursor: pointer; font-weight: inherit; color: inherit; }
th button[aria-sort] { color: var(--ink); }
td .status { margin-left: 0; }
td .row-link { background: none; border: 0; padding: 0; cursor: pointer; font-weight: 600; text-align: left; }

.empty { background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius-card); padding: 28px; color: var(--ink-2); max-width: 70ch; }
.empty strong { color: var(--ink); display: block; font-size: 16px; margin-bottom: 4px; }

.tip {
  position: fixed; z-index: 20; pointer-events: none;
  background: var(--ink); color: var(--surface);
  font-size: 12px; padding: 4px 8px; border-radius: 6px; white-space: nowrap;
}
.toast {
  position: fixed; right: 16px; bottom: 16px; z-index: 30; max-width: min(460px, calc(100vw - 32px));
  background: var(--ink); color: var(--surface); padding: 10px 14px; border-radius: 8px; font-size: 13px;
}

@media (max-width: 560px) {
  body { padding-top: 16px; }
  .top-actions { width: 100%; }
  .refresh { flex: 1; }
  .cards { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .kpi { padding: 10px 12px; }
  .kpi-value { font-size: 17px; overflow-wrap: anywhere; }
  .kpi:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .rack { grid-template-columns: repeat(auto-fill, minmax(26px, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  .unit.arrived::before { animation: none; }
  .card.flash { transition: none; }
}
@media (forced-colors: active) {
  .meter-fill, .unit::before { background: CanvasText; }
}

/* --- İzleme merkezi eklemeleri --- */
a { color: var(--accent); }
.ust-menu { display: flex; gap: 12px; }
.ust-menu a { color: var(--ink-2); text-decoration: none; padding: 7px 2px; border-bottom: 2px solid transparent; }
.ust-menu a[aria-current="page"] { color: var(--ink); font-weight: 600; border-bottom-color: var(--accent); }
.kim { color: var(--muted); font-size: 13px; }
.cikis { margin: 0; }
.serit {
  margin: 16px 0 0; padding: 10px 14px; border-radius: 8px;
  background: color-mix(in srgb, var(--critical) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--critical) 45%, var(--line)); color: var(--crit-ink);
}
.card-name a { color: inherit; text-decoration: none; }
.card-name a:hover { text-decoration: underline; text-underline-offset: 2px; }
.muted { color: var(--muted); }
.bos { color: var(--muted); font-size: 13px; padding: 24px 0; text-align: center; margin: 0; }

/* Sunucu sayfası */
.geri { display: inline-block; margin: 18px 0 8px; text-decoration: none; }
.srv-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-bottom: 12px; }
.srv-head h2 { margin: 0; font-size: clamp(22px, 2.6vw, 28px); font-weight: 650; }
.srv-head .status { margin-left: 0; }
.srv-head .ip { font-variant-numeric: tabular-nums; color: var(--muted); }
.araliklar { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.araliklar button {
  border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-ctl);
  padding: 6px 12px; cursor: pointer;
}
.araliklar button[aria-checked="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.grafikler { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 460px), 1fr)); gap: 12px; }
.grafik, .kutu {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 12px 14px; min-width: 0;
}
.grafik h3, .kutu h3 { margin: 0 0 8px; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.grafik-alan { min-height: 180px; }
.grafik .u-legend { font-size: 12px; color: var(--ink-2); }
.srv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr)); gap: 12px; margin-top: 16px; }
.kutu .table-wrap { border: 0; border-radius: 0; max-height: 360px; overflow: auto; }
.kutu table { font-size: 12.5px; }
.kutu th, .kutu td { padding: 6px 8px; white-space: normal; overflow-wrap: anywhere; }
.kutu td.wrap { min-width: 0; }
.durum-failed { color: var(--crit-ink); font-weight: 600; }
.acik-port { color: var(--warn-ink); }
.bilgi { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; font-size: 13px; }
.bilgi div { display: contents; }
.bilgi dt { color: var(--muted); }
.bilgi dd { margin: 0; overflow-wrap: anywhere; }
.olaylar { list-style: none; margin: 0; padding: 0; font-size: 12.5px; display: grid; gap: 4px; }
.olaylar time { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 6px; }

/* Denetim kaydı */
.bolum-baslik { margin: 20px 0 12px; font-size: 22px; font-weight: 650; }
.sayfalama { display: flex; gap: 8px; align-items: center; margin-top: 12px; }

/* Giriş sayfası */
.giris-sayfasi { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.giris-kutu {
  width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-card); padding: 24px;
}
.giris-kutu h1 { margin: 0 0 4px; font-size: 24px; }
.giris-kutu form { display: grid; gap: 8px; margin-top: 16px; }
.giris-kutu input {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius-ctl); background: var(--surface-2);
}
.giris-hata {
  margin: 12px 0 0; padding: 8px 12px; border-radius: 8px;
  background: color-mix(in srgb, var(--critical) 12%, var(--surface)); color: var(--crit-ink);
}

@media (max-width: 560px) {
  .ust-menu { width: 100%; }
  .grafikler, .srv-grid { grid-template-columns: 1fr; }
  .bilgi { grid-template-columns: 1fr; }
}