/* =====================================================================
   Temel Sistem · Sunucu İzleme
   Fikir: kabin (rack) — her müşteri bir kabin satırı, durumlar LED ışığı,
   diskler eşik çizgili gösterge.
   ===================================================================== */
:root {
  --paper: #f2f6fa;
  --surface: #ffffff;
  --ink: #13263a;
  --ink-2: #4b5f73;
  --ink-3: #8194a7;
  --line: #dbe4ed;
  --line-2: #edf2f7;

  --blue: #1e9be9;
  --blue-deep: #0b5f99;
  --blue-wash: #e4f2fc;

  --ok: #16a06c;   --ok-wash: #e1f4ec;
  --warn: #d98307; --warn-wash: #fdf0db;
  --crit: #dc3b3b; --crit-wash: #fce8e8;
  --off: #9aa8b6;  --off-wash: #eef1f4;

  --r-lg: 16px;
  --r-md: 10px;
  --r-sm: 7px;
  --shadow: 0 1px 2px rgba(19, 38, 58, .04), 0 4px 16px rgba(19, 38, 58, .05);
  --font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid rgba(30, 155, 233, .45); outline-offset: 2px; border-radius: 4px; }

h1 { font-size: 27px; line-height: 1.2; font-weight: 600; letter-spacing: -.015em; margin: 0; }
h2 { font-size: 18px; font-weight: 600; margin: 0; letter-spacing: -.005em; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 10px; color: var(--ink); display: flex; align-items: center; gap: 8px; }
h3 .count { font-weight: 500; color: var(--ink-3); font-size: 13px; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.nowrap { white-space: nowrap; }

/* ---------------------------------------------------------------- LED */
.led {
  display: inline-block; flex: none;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px var(--ok-wash);
}
.led.sm { width: 7px; height: 7px; box-shadow: 0 0 0 2px var(--ok-wash); }
.led.warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-wash); }
.led.crit { background: var(--crit); box-shadow: 0 0 0 3px var(--crit-wash); animation: blink 1.6s ease-in-out infinite; }
.led.off  { background: var(--off);  box-shadow: 0 0 0 3px var(--off-wash); animation: none; }
.led.sm.warn { box-shadow: 0 0 0 2px var(--warn-wash); }
.led.sm.crit { box-shadow: 0 0 0 2px var(--crit-wash); }
.led.sm.off  { box-shadow: 0 0 0 2px var(--off-wash); }
@keyframes blink { 50% { box-shadow: 0 0 0 5px rgba(220, 59, 59, .18); } }

/* ---------------------------------------------------------------- Pill */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500; line-height: 1;
  padding: 5px 9px; border-radius: 99px; white-space: nowrap;
  background: var(--ok-wash); color: #0e6e49;
}
.pill.warn { background: var(--warn-wash); color: #8e5300; }
.pill.crit { background: var(--crit-wash); color: #a52525; }
.pill.off  { background: var(--off-wash);  color: #5b6977; }
.pill.blue { background: var(--blue-wash); color: var(--blue-deep); }
.badge { display: inline-flex; font-size: 12px; font-weight: 500; padding: 4px 9px; border-radius: 99px; background: var(--ok-wash); color: #0e6e49; }
.badge.warn { background: var(--warn-wash); color: #8e5300; }
.badge.crit { background: var(--crit-wash); color: #a52525; }
.badge.gray { background: var(--off-wash); color: #5b6977; }
.badge.blue { background: var(--blue-wash); color: var(--blue-deep); }

/* ---------------------------------------------------------------- Üst bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.topbar-in { max-width: 1240px; margin: 0 auto; padding: 0 28px; height: 62px; display: flex; align-items: center; gap: 36px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.mark {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .02em;
}
.brand b { display: block; font-weight: 600; font-size: 15px; line-height: 1.15; }
.brand small { display: block; font-size: 12px; color: var(--ink-3); line-height: 1.2; }
.topbar nav { display: flex; gap: 6px; align-self: stretch; }
.topbar nav a {
  display: flex; align-items: center; padding: 0 12px; color: var(--ink-2); font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.topbar nav a:hover { color: var(--ink); text-decoration: none; }
.topbar nav a.active { color: var(--ink); border-bottom-color: var(--blue); }
.who { margin-left: auto; display: flex; align-items: center; gap: 14px; color: var(--ink-2); font-size: 13.5px; }
.who a { color: var(--ink-3); }

.container { max-width: 1240px; margin: 0 auto; padding: 30px 28px 60px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-head .sub { color: var(--ink-3); margin-top: 6px; }
.crumb { display: inline-block; font-size: 13px; margin-bottom: 8px; color: var(--ink-3); }
.title-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- Flash */
.flash { padding: 11px 14px; border-radius: var(--r-md); margin-bottom: 16px; font-weight: 500; }
.flash.ok { background: var(--ok-wash); color: #0e6e49; }
.flash.err { background: var(--crit-wash); color: #a52525; }
.flash.info { background: var(--blue-wash); color: var(--blue-deep); }

/* ---------------------------------------------------------------- Panel (genel kutu) */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px; margin-bottom: 20px; box-shadow: var(--shadow); }
.card > h2 { margin-bottom: 14px; }

/* ---------------------------------------------------------------- Özet şerit (panel) */
.tally { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-bottom: 18px; }
.tally-counts { display: flex; gap: 22px; flex-wrap: wrap; }
.tally-counts .t { display: flex; align-items: baseline; gap: 6px; color: var(--ink-2); }
.tally-counts .t b { font-size: 22px; font-weight: 600; color: var(--ink); }
.tally-counts .t.crit b { color: var(--crit); }
.tally-counts .t.warn b { color: var(--warn); }
.tally-counts .t.ok b { color: var(--ok); }
.tally-bar { flex: 1; min-width: 200px; height: 8px; border-radius: 4px; overflow: hidden; display: flex; gap: 2px; background: var(--line-2); }
.tally-bar span.crit { background: var(--crit); }
.tally-bar span.warn { background: var(--warn); }
.tally-bar span.ok { background: var(--ok); }

.toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar .search { width: 300px; max-width: 100%; }
.toolbar .note { margin-left: auto; font-size: 13px; color: var(--ink-3); }

/* ---------------------------------------------------------------- Kabin listesi (müşteriler) */
.rack { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); overflow: hidden; }
.rack-head, .rack-row {
  display: grid; grid-template-columns: 22px minmax(220px, 1.4fr) minmax(200px, 1.3fr) 170px 110px;
  gap: 18px; align-items: center; padding: 0 20px;
}
.rack-head { height: 40px; font-size: 12.5px; color: var(--ink-3); font-weight: 500; border-bottom: 1px solid var(--line); background: #fafcfe; }
.rack-row { min-height: 72px; padding-top: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); color: var(--ink); position: relative; }
.rack-row:last-child { border-bottom: 0; }
.rack-row:hover { background: #f7fafd; text-decoration: none; }
.rack-row.crit { background: #fff8f8; }
.rack-row.crit::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--crit); }
.rack-row.warn::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--warn); }
.rack-row.crit:hover { background: #fff2f2; }
.rr-name { font-weight: 600; font-size: 15px; }
.rr-issues { margin-top: 3px; font-size: 13px; color: var(--ink-2); display: grid; gap: 1px; }
.rr-issues .crit { color: #b42c2c; }
.rr-issues .warn { color: #94590a; }
.rr-servers { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; height: 26px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 12.5px; color: var(--ink-2); background: var(--surface);
}
.rr-disk small { display: block; font-size: 12.5px; color: var(--ink-2); margin-top: 5px; }
.rr-seen { font-size: 13px; color: var(--ink-2); text-align: right; }
.rr-seen.late { color: var(--crit); font-weight: 500; }

.mini { height: 6px; border-radius: 3px; background: var(--line-2); overflow: hidden; }
.mini > span { display: block; height: 100%; background: var(--blue); border-radius: 3px; }
.mini.warn > span { background: var(--warn); }
.mini.crit > span { background: var(--crit); }

.empty { padding: 34px 20px; text-align: center; color: var(--ink-2); }

/* ---------------------------------------------------------------- Sunucu ünitesi (müşteri sayfası) */
.thresholds { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); margin-top: 10px; }
.thresholds b { color: var(--ink); font-weight: 600; }

.unit { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); margin-bottom: 26px; overflow: hidden; }
.unit-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; padding: 18px 22px; border-bottom: 1px solid var(--line-2); }
.unit-head.crit { background: linear-gradient(90deg, #fff4f4, #fff 60%); }
.unit-head.warn { background: linear-gradient(90deg, #fffaf0, #fff 60%); }
.unit-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.unit-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); margin-top: 6px; padding-left: 22px; }
.unit-meta b { color: var(--ink-2); font-weight: 500; }
.unit-body { padding: 4px 22px 22px; }
.block { padding-top: 22px; }

.issues { margin: 18px 22px 0; border-radius: var(--r-md); background: #fff8f8; border: 1px solid #f6d6d6; padding: 12px 14px; display: grid; gap: 6px; }
.issues.warn-only { background: #fffaf0; border-color: #f4e1bd; }
.issues div { display: flex; align-items: center; gap: 10px; font-size: 13.5px; }
.issues .crit { color: #a52525; }
.issues .warn { color: #8e5300; }

.vitals { display: flex; flex-wrap: wrap; margin: 18px 22px 0; border: 1px solid var(--line-2); border-radius: var(--r-md); }
.vital { flex: 1 1 150px; padding: 12px 16px; border-right: 1px solid var(--line-2); }
.vital:last-child { border-right: 0; }
.vital .k { font-size: 12.5px; color: var(--ink-3); }
.vital .v { font-size: 20px; font-weight: 600; margin-top: 2px; letter-spacing: -.01em; }
.vital .v.crit { color: var(--crit); }
.vital .v.warn { color: var(--warn); }
.vital .s { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.vital .mini { margin-top: 7px; }

/* Disk göstergesi: eşik çizgileri ile */
.gauges { display: grid; gap: 4px; }
.gauge {
  display: grid; grid-template-columns: 130px 1fr 190px; gap: 22px; align-items: center;
  padding: 12px 14px; border-radius: var(--r-md);
}
.gauge.warn { background: #fffaf0; }
.gauge.crit { background: #fff6f6; }
.g-drive b { font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.g-drive span { display: block; font-size: 12.5px; color: var(--ink-3); }
.g-track { position: relative; height: 14px; border-radius: 7px; background: var(--line-2); }
.g-fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 7px; background: var(--blue); }
.gauge.warn .g-fill { background: var(--warn); }
.gauge.crit .g-fill { background: var(--crit); }
.g-tick { position: absolute; top: -5px; bottom: -5px; width: 2px; border-radius: 1px; background: var(--warn); opacity: .75; }
.g-tick.c { background: var(--crit); }
.g-num { text-align: right; }
.g-num b { font-size: 15px; font-weight: 600; }
.gauge.crit .g-num b { color: var(--crit); }
.gauge.warn .g-num b { color: #b06a05; }
.g-num span { display: block; font-size: 12.5px; color: var(--ink-3); }
.g-num em { display: block; font-style: normal; font-size: 12.5px; color: var(--ink-2); }
.gauge.crit .g-num em, .gauge.warn .g-num em { color: inherit; font-weight: 500; }
.gauge-legend { display: flex; gap: 16px; font-size: 12px; color: var(--ink-3); margin-top: 8px; padding-left: 14px; }
.gauge-legend i { display: inline-block; width: 2px; height: 11px; background: var(--warn); margin-right: 6px; vertical-align: -1px; }
.gauge-legend i.c { background: var(--crit); }

/* Yedek klasörü */
.folder { border: 1px solid var(--line); border-radius: var(--r-md); margin-bottom: 12px; overflow: hidden; }
.folder.crit { border-color: #f0c4c4; }
.folder.warn { border-color: #efd7a8; }
.folder-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; background: #fafcfe; border-bottom: 1px solid var(--line-2); flex-wrap: wrap; }
.folder-head .path { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 13.5px; font-weight: 500; }
.folder-head .facts { display: flex; gap: 14px; font-size: 12.5px; color: var(--ink-3); }
.folder-body { padding: 4px 14px 12px; }
.folder-body .note { font-size: 12.5px; color: var(--ink-3); padding: 10px 0 0; }

/* ---------------------------------------------------------------- Tablo */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: left; font-weight: 500; font-size: 12.5px; color: var(--ink-3); padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 10px 10px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.crit td { background: #fff6f6; }
tr.warn td { background: #fffaf0; }
tr.dim td { color: var(--ink-3); }
.msg { max-width: 560px; color: var(--ink-2); font-size: 13px; }

/* "Tümünü göster" açılır */
details.more { margin-top: 10px; }
details.more > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--blue-deep);
  padding: 7px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface);
}
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: ""; width: 7px; height: 7px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(-45deg); transition: transform .15s; }
details.more[open] > summary::before { transform: rotate(45deg) translate(-2px, -1px); }
details.more > summary:hover { background: var(--blue-wash); border-color: #bfe0f6; }
details.more > .inner { margin-top: 10px; }

details.menu { position: relative; }
details.menu > summary { list-style: none; cursor: pointer; }
details.menu > summary::-webkit-details-marker { display: none; }
details.menu .drop {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 5; width: 290px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: 0 10px 30px rgba(19,38,58,.12); padding: 14px;
}

/* ---------------------------------------------------------------- Form & buton */
input[type=text], input[type=password], input[type=number], input[type=search], textarea, select {
  width: 100%; padding: 10px 12px; border: 1px solid #cbd7e3; border-radius: 9px;
  font: inherit; color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-wash); }
label { display: block; font-size: 13px; font-weight: 500; color: var(--ink-2); margin: 14px 0 6px; }
.check { display: flex; gap: 8px; align-items: center; color: var(--ink); font-weight: 400; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0 14px; }
.hint { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--blue); color: #fff; border: 1px solid var(--blue); border-radius: 9px;
  padding: 9px 16px; font: inherit; font-weight: 600; font-size: 14px; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--blue-deep); border-color: var(--blue-deep); text-decoration: none; }
.btn.sm { padding: 6px 11px; font-size: 13px; border-radius: var(--r-sm); }
.btn.ghost, .btn.light { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover, .btn.light:hover { background: var(--blue-wash); border-color: #bfe0f6; color: var(--blue-deep); }
.btn.danger { background: #fff; color: var(--crit); border-color: #f0c4c4; }
.btn.danger:hover { background: var(--crit); border-color: var(--crit); color: #fff; }
.btn.icon { width: 32px; height: 32px; padding: 0; }
.inline { display: inline; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.keybox { display: block; background: var(--blue-wash); border-radius: var(--r-md); padding: 12px 14px; font-family: var(--mono); font-size: 13px; word-break: break-all; }
.keybox b { color: var(--blue-deep); }

/* ---------------------------------------------------------------- Giriş */
.login { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; background: var(--surface); }
.login-form { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.login-form form { width: 100%; max-width: 360px; }
.login-form .brand { margin-bottom: 44px; }
.login-form h1 { font-size: 30px; }
.login-form p { color: var(--ink-2); margin: 8px 0 18px; }
.login-form .btn { width: 100%; margin-top: 22px; padding: 12px; }
.login-art {
  background: linear-gradient(160deg, #1e9be9 0%, #0b5f99 100%);
  display: flex; align-items: center; justify-content: center; padding: 40px; position: relative; overflow: hidden;
}
.cab { width: 300px; background: #0c3d63; border-radius: 14px; padding: 14px; box-shadow: 0 30px 60px rgba(0,0,0,.25), inset 0 0 0 1px rgba(255,255,255,.08); }
.cab .u { height: 34px; border-radius: 6px; background: #134b77; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; padding: 0 12px; }
.cab .u:last-child { margin-bottom: 0; }
.cab .u i { width: 7px; height: 7px; border-radius: 50%; background: #2f6a96; }
.cab .u span { flex: 1; height: 4px; border-radius: 2px; background: #1c5986; margin-left: 10px; }
.cab .u i.on { background: #5ff0b0; box-shadow: 0 0 8px #5ff0b0; animation: on .5s both; animation-delay: calc(var(--n) * 110ms); }
.cab .u i.on.w { background: #ffbe4d; box-shadow: 0 0 8px #ffbe4d; }
@keyframes on { from { background: #2f6a96; box-shadow: none; } }
.login-art .cap { position: absolute; left: 40px; bottom: 34px; color: rgba(255,255,255,.85); font-size: 14px; max-width: 320px; }

/* ---------------------------------------------------------------- Mobil */
@media (max-width: 900px) {
  .rack-head { display: none; }
  .rack-row { grid-template-columns: 18px 1fr; gap: 6px 12px; }
  .rack-row > :nth-child(n+3) { grid-column: 2; }
  .rr-seen { text-align: left; }
  .gauge { grid-template-columns: 70px 1fr; gap: 10px 14px; }
  .g-num { grid-column: 1 / -1; text-align: left; }
  .login { grid-template-columns: 1fr; }
  .login-art { display: none; }
}
@media (max-width: 640px) {
  .container { padding: 20px 14px 40px; }
  .topbar-in { padding: 0 14px; gap: 14px; height: auto; min-height: 58px; flex-wrap: wrap; }
  .topbar nav { order: 3; width: 100%; height: 44px; }
  .who span { display: none; }
  .unit-head, .unit-body { padding-left: 14px; padding-right: 14px; }
  .issues, .vitals { margin-left: 14px; margin-right: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}