:root {
  --bg: #f6f7fb; --panel: #ffffff; --ink: #0f172a; --muted: #64748b; --line: #e2e8f0;
  --accent: #4f46e5; --accent-ink: #ffffff; --accent-soft: #eef2ff;
  --ok: #047857; --ok-soft: #ecfdf5; --warn: #b45309; --warn-soft: #fffbeb; --bad: #b91c1c; --bad-soft: #fef2f2;
  --radius: 12px; --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020; --panel: #121933; --ink: #e2e8f0; --muted: #94a3b8; --line: #243056;
    --accent: #818cf8; --accent-ink: #0b1020; --accent-soft: #1e2650;
    --ok: #34d399; --ok-soft: #0f2a24; --warn: #fbbf24; --warn-soft: #2c230f; --bad: #f87171; --bad-soft: #2c1414;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--ink); }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--accent); }
.hidden { display: none !important; }

/* giriş */
.login { min-height: 100%; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login form { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); }
.brand { font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.login h1 { font-size: 18px; margin: 18px 0 4px; }
.login p { color: var(--muted); margin: 0 0 18px; }

/* yerleşim */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100%; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.side .brand { padding: 4px 10px 16px; }
.nav-btn { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; background: none; border: 0; padding: 9px 10px; border-radius: 9px; cursor: pointer; color: var(--muted); font-weight: 500; }
.nav-btn:hover { background: var(--accent-soft); color: var(--ink); }
.nav-btn.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-btn .count { margin-left: auto; background: var(--bad); color: #fff; border-radius: 999px; font-size: 11px; padding: 0 7px; font-weight: 700; }
.side .spacer { flex: 1; }
.side .who { font-size: 12.5px; color: var(--muted); padding: 10px; border-top: 1px solid var(--line); word-break: break-all; }
.main { padding: 28px 32px 60px; min-width: 0; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 22px; letter-spacing: -.01em; }
.page-head p { margin: 4px 0 0; color: var(--muted); }

/* bileşenler */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card h3 { margin: 0 0 12px; font-size: 15px; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.stats > .card, .split > .card, .split > div > .card:first-child { margin-top: 0; }
.stat .label { color: var(--muted); font-size: 12.5px; }
.stat .value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat .sub { color: var(--muted); font-size: 12px; }
.meter { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; margin-top: 8px; }
.meter i { display: block; height: 100%; background: var(--accent); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: 13px; }
.field .hint { color: var(--muted); font-size: 12px; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { resize: vertical; min-height: 90px; }
input[type=color] { width: 54px; height: 38px; padding: 2px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid transparent; border-radius: 9px; padding: 8px 14px; cursor: pointer; font-weight: 600; background: var(--accent); color: var(--accent-ink); }
.btn:hover { filter: brightness(1.06); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--line); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn.block { width: 100%; justify-content: center; padding: 10px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.alert { padding: 10px 12px; border-radius: 9px; margin-bottom: 14px; font-size: 13.5px; }
.alert.err { background: var(--bad-soft); color: var(--bad); }
.alert.ok { background: var(--ok-soft); color: var(--ok); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--accent-soft); }
.table-wrap { overflow-x: auto; }
.empty { color: var(--muted); padding: 24px 8px; text-align: center; }
.pre { white-space: pre-wrap; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--line); color: var(--ink); }
.badge.open, .badge.pending { background: var(--warn-soft); color: var(--warn); }
.badge.handoff, .badge.failed { background: var(--bad-soft); color: var(--bad); }
.badge.confirmed, .badge.closed { background: var(--ok-soft); color: var(--ok); }

.chat { display: flex; flex-direction: column; gap: 10px; max-height: 60vh; overflow-y: auto; padding: 4px; }
.bubble { max-width: 80%; padding: 9px 12px; border-radius: 12px; white-space: pre-wrap; word-wrap: break-word; }
.bubble.user { align-self: flex-end; background: var(--accent); color: var(--accent-ink); }
.bubble.assistant { align-self: flex-start; background: var(--bg); border: 1px solid var(--line); }
.bubble .tools { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.split { display: grid; grid-template-columns: minmax(280px, 380px) 1fr; gap: 16px; align-items: start; }
.split > * { min-width: 0; }
.snippet { background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 12px; word-break: break-all; }

/* platform paneli */
.stats.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .stats.four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.down { background: var(--bad); } .dot.suspended { background: var(--muted); }
.privacy { background: var(--accent-soft); color: var(--ink); border-radius: 9px; padding: 10px 12px; font-size: 13px; margin-bottom: 16px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font-size: 13.5px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: 140px; }
.chart .bar { fill: var(--accent); }
.chart .bar.err { fill: var(--bad); }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:hover + .bar, .chart .bar:hover { opacity: .8; }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart .lbl { fill: var(--muted); font-size: 11px; }
.tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; font-size: 12px; box-shadow: var(--shadow); white-space: nowrap; transform: translate(-50%, -110%); }
.secret { background: var(--warn-soft); color: var(--ink); border-radius: 9px; padding: 12px; margin-top: 12px; }
.secret .mono { font-size: 14px; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; padding: 10px; }
  .side .brand, .side .spacer { display: none; }
  .side .who { border: 0; padding: 6px 10px; width: 100%; }
  .nav-btn { width: auto; }
  .main { padding: 18px 16px 48px; }
  .split, .grid2 { grid-template-columns: 1fr; }
}