:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --panel-2: #f8fafb;
    --border: #e3e8ee;
    --text: #17202a;
    --muted: #677485;
    --accent: #1f7a5c;
    --accent-soft: #e2f3ec;
    --side: #11241d;
    --side-text: #c9dbd3;
    --ok: #1d7a4e; --ok-bg: #dff3e8;
    --warn: #8a5a00; --warn-bg: #fdf0d2;
    --bad: #b42318; --bad-bg: #fde4e1;
    --info: #1c5fa8; --info-bg: #e1edfb;
    --mute: #5d6874; --mute-bg: #eceff2;
    --bar: #3a9b78;
    --bar-last: #1f7a5c;
    color-scheme: light;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0f1513; --panel: #17201d; --panel-2: #1c2622; --border: #2a3632;
        --text: #e5ece9; --muted: #92a39c; --accent: #5cc79c; --accent-soft: #1d3a2f;
        --side: #0a110e; --side-text: #a9bfb5;
        --ok: #6fd6a2; --ok-bg: #173a2a; --warn: #f2c25b; --warn-bg: #3a2f14;
        --bad: #ff8a80; --bad-bg: #401d1a; --info: #8cbcf5; --info-bg: #182c45;
        --mute: #a4afb9; --mute-bg: #262f2c; --bar: #3fa37f; --bar-last: #6fd6a2;
        color-scheme: dark;
    }
}
:root[data-theme="dark"] {
    --bg: #0f1513; --panel: #17201d; --panel-2: #1c2622; --border: #2a3632;
    --text: #e5ece9; --muted: #92a39c; --accent: #5cc79c; --accent-soft: #1d3a2f;
    --side: #0a110e; --side-text: #a9bfb5;
    --ok: #6fd6a2; --ok-bg: #173a2a; --warn: #f2c25b; --warn-bg: #3a2f14;
    --bad: #ff8a80; --bad-bg: #401d1a; --info: #8cbcf5; --info-bg: #182c45;
    --mute: #a4afb9; --mute-bg: #262f2c; --bar: #3fa37f; --bar-last: #6fd6a2;
    color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
    background: var(--bg); color: var(--text);
    font: 14px/1.45 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }

/* Kabuk */
.shell { display: flex; min-height: 100vh; }
.side {
    width: 220px; flex: none; background: var(--side); color: var(--side-text);
    display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { font-weight: 700; font-size: 18px; color: #fff; padding: 18px 18px 14px; }
.brand small { font-weight: 500; color: var(--side-text); font-size: 12px; }
.side nav { display: flex; flex-direction: column; padding: 0 8px; gap: 2px; }
.side nav a { color: var(--side-text); padding: 8px 12px; border-radius: 8px; }
.side nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.side nav a.active { background: rgba(92,199,156,.18); color: #fff; }
.nav-h { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; opacity: .55; padding: 14px 12px 4px; }
.side-foot { margin-top: auto; padding: 14px 18px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.side-foot .muted { color: var(--side-text); opacity: .6; }
button.link { background: none; border: 0; color: var(--side-text); cursor: pointer; padding: 0; font: inherit; }
button.link:hover { color: #fff; }
.main { flex: 1; min-width: 0; padding: 22px 28px 40px; }

/* Başlık */
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.head .sub { color: var(--muted); margin-top: 4px; }
.crumb { font-size: 12px; color: var(--muted); margin-bottom: 4px; }

/* Kartlar */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.kpi .l { color: var(--muted); font-size: 12px; }
.kpi .v { font-size: 24px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .s { font-size: 12px; color: var(--muted); margin-top: 2px; }
.kpi.alert { border-color: var(--bad); }
.kpi.alert .v { color: var(--bad); }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; min-width: 0; }
.card-h { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.card-h h2 { margin: 0; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1100px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

/* Tablo */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--panel-2); position: sticky; top: 0; white-space: nowrap; }
tbody tr:hover { background: var(--panel-2); }
td .sub { display: block; font-size: 12px; color: var(--muted); }
.empty { padding: 24px; text-align: center; color: var(--muted); }

/* Rozet */
.b { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b.ok { color: var(--ok); background: var(--ok-bg); }
.b.warn { color: var(--warn); background: var(--warn-bg); }
.b.bad { color: var(--bad); background: var(--bad-bg); }
.b.info { color: var(--info); background: var(--info-bg); }
.b.mute { color: var(--mute); background: var(--mute-bg); }

/* İlerleme */
.prog { display: flex; height: 8px; border-radius: 999px; overflow: hidden; background: var(--mute-bg); min-width: 120px; }
.prog i { display: block; height: 100%; }
.prog .ok { background: var(--ok); }
.prog .warn { background: var(--warn); }

/* Filtre */
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
input, select {
    font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border);
    border-radius: 8px; padding: 7px 10px;
}
input[type=search] { min-width: 220px; }
.btn { font: inherit; background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 7px 14px; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 5px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel); color: var(--text); font-size: 13px; }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.chip:hover { text-decoration: none; border-color: var(--accent); }

/* Bilgi listesi */
dl.info { display: grid; grid-template-columns: 150px 1fr; gap: 6px 14px; margin: 0; }
dl.info dt { color: var(--muted); }
dl.info dd { margin: 0; overflow-wrap: anywhere; }

/* Grafik */
.chart svg { width: 100%; height: 200px; display: block; }
.chart .bar { fill: var(--bar); }
.chart .bar.last { fill: var(--bar-last); }
.chart .bar:hover { fill: var(--accent); }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart-foot { margin-top: 6px; }

/* Sayfalama */
.pager { display: flex; gap: 6px; align-items: center; justify-content: flex-end; margin-top: 12px; }

/* Giriş */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.login h1 { margin-bottom: 4px; }
.login label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 4px; }
.login input { width: 100%; }
.login .btn { width: 100%; margin-top: 18px; padding: 10px; }
.err { color: var(--bad); background: var(--bad-bg); border-radius: 8px; padding: 8px 10px; margin-top: 12px; font-size: 13px; }

@media (max-width: 800px) {
    .shell { flex-direction: column; }
    .side { width: 100%; height: auto; position: static; }
    .side nav { flex-direction: row; flex-wrap: wrap; }
    .nav-h, .side-foot .muted { display: none; }
    .side-foot { flex-direction: row; gap: 16px; padding: 8px 18px; }
    .main { padding: 16px; }
    dl.info { grid-template-columns: 1fr; }
}

/* Formlar ve bildirimler (Veri Yönetimi) */
.note { border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; font-weight: 500; }
.note.ok { background: var(--ok-bg); color: var(--ok); }
.note.bad { background: var(--bad-bg); color: var(--bad); overflow-wrap: anywhere; }
.note.warn { background: var(--warn-bg); color: var(--warn); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px 18px; }
.fld { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.fld.wide { grid-column: 1 / -1; }
.fld label { font-size: 12px; color: var(--muted); font-weight: 600; }
.fld input, .fld select, .fld textarea { width: 100%; }
.fld input:disabled { opacity: .7; background: var(--panel-2); }
textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; resize: vertical; }
.fld .hint { font-size: 12px; color: var(--muted); }
.req { color: var(--bad); }
label.check { display: flex; gap: 6px; align-items: center; font-size: 14px; color: var(--text); font-weight: 400; }
label.check input { width: auto; }
.form-foot { display: flex; gap: 10px; align-items: center; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.btn.danger { background: var(--bad); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.chips form { display: inline; margin: 0; }
.old { text-decoration: line-through; color: var(--muted); }
code { font-size: 12px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; }
td input, td select { padding: 4px 6px; font-size: 13px; }
td input[type=number] { width: 90px; }