:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #1a1d21; --muted: #6b7280;
  --line: #e3e6ea; --accent: #2563eb; --accent-ink: #ffffff;
  --ok: #047857; --warn: #b45309; --bad: #b91c1c;
  --ok-bg: #ecfdf5; --warn-bg: #fffbeb; --bad-bg: #fef2f2;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15171a; --panel: #1d2024; --ink: #e8eaed; --muted: #9aa0a6;
    --line: #2d3136; --accent: #4f8ef7; --accent-ink: #0b0d10;
    --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
    --ok-bg: #0d2a1d; --warn-bg: #2d2410; --bad-bg: #2d1414;
  }
}
:root[data-theme="dark"] {
  --bg: #15171a; --panel: #1d2024; --ink: #e8eaed; --muted: #9aa0a6;
  --line: #2d3136; --accent: #4f8ef7; --accent-ink: #0b0d10;
  --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
  --ok-bg: #0d2a1d; --warn-bg: #2d2410; --bad-bg: #2d1414;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }

/* --- giris --- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
         padding: 28px; width: 100%; max-width: 360px; }
.login h1 { margin: 0 0 4px; font-size: 20px; }
.login p { margin: 0 0 20px; color: var(--muted); font-size: 13px; }

/* --- yerlesim --- */
.shell { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 0; }
.brand { padding: 0 18px 16px; font-weight: 650; font-size: 16px; letter-spacing: -0.01em; }
.brand small { display: block; font-weight: 400; font-size: 11px; color: var(--muted); }
.nav a { display: block; padding: 8px 18px; color: var(--ink); text-decoration: none; cursor: pointer; border-left: 2px solid transparent; }
.nav a:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.nav a.on { border-left-color: var(--accent); color: var(--accent); font-weight: 600;
            background: color-mix(in srgb, var(--accent) 9%, transparent); }
.main { padding: 22px 26px 60px; min-width: 0; }
.head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
h2 { margin: 0; font-size: 19px; letter-spacing: -0.01em; }

/* --- bilesenler --- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-bottom: 22px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 15px; }
.card .n { font-size: 23px; font-weight: 650; letter-spacing: -0.02em; }
.card .l { color: var(--muted); font-size: 12px; margin-top: 2px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; }
.panel > h3 { margin: 0; padding: 12px 15px; border-bottom: 1px solid var(--line); font-size: 13.5px; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600;
     position: sticky; top: 0; background: var(--panel); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.tag { display: inline-block; padding: 1px 7px; border-radius: 99px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.tag.ok   { background: var(--ok-bg);   color: var(--ok); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.bad  { background: var(--bad-bg);  color: var(--bad); }
.tag.mut  { background: color-mix(in srgb, var(--muted) 15%, transparent); color: var(--muted); }

input, button, select {
  font: inherit; padding: 7px 11px; border-radius: 6px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
}
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: -1px; }
input[type=search] { width: 260px; max-width: 100%; }
button { cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.ghost { background: transparent; color: var(--muted); }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.field input { width: 100%; }
.err { background: var(--bad-bg); color: var(--bad); padding: 8px 11px; border-radius: 6px; font-size: 13px; margin-bottom: 12px; }
.muted { color: var(--muted); }
.spin { color: var(--muted); padding: 26px 0; text-align: center; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ro { font-size: 11.5px; padding: 2px 8px; border-radius: 99px; background: var(--warn-bg); color: var(--warn); font-weight: 600; }

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
  .nav { display: flex; flex-wrap: wrap; }
  .nav a { border-left: 0; border-bottom: 2px solid transparent; padding: 8px 14px; }
  .nav a.on { border-left: 0; border-bottom-color: var(--accent); }
  .main { padding: 16px; }
}