:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #f8f9fb;
  --border: #dfe2e8;
  --text: #1d2330;
  --muted: #6b7385;
  --accent: #2f5bd3;
  --accent-soft: #e6ecfb;
  --ok: #1e8a4c;
  --ok-soft: #e3f4ea;
  --info: #43618f;
  --info-soft: #e9eef6;
  --warn: #a76300;
  --warn-soft: #fbf0dc;
  --error: #c0362c;
  --error-soft: #fbe6e4;
  --code-bg: #f1f3f7;
  --ep-init: #7a4cc2;
  --ep-reg: #1f7a8c;
  --ep-nop: #6a7890;
  --ep-query: #2f5bd3;
  --ep-result: #1e8a4c;
  --ep-tls: #c0362c;
  --ep-unknown: #a76300;
  --radius: 8px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --panel: #1a1e26;
    --panel-2: #20252f;
    --border: #2d3340;
    --text: #e3e7ef;
    --muted: #8d95a7;
    --accent: #7ea0ff;
    --accent-soft: #243152;
    --ok: #5ccf8b;
    --ok-soft: #173325;
    --info: #9bb3d8;
    --info-soft: #1f2a3b;
    --warn: #f0b252;
    --warn-soft: #3a2c14;
    --error: #ff7b70;
    --error-soft: #3d1c1a;
    --code-bg: #151920;
    --ep-init: #b48cff;
    --ep-reg: #4fc3d6;
    --ep-nop: #9aa6bd;
    --ep-query: #7ea0ff;
    --ep-result: #5ccf8b;
    --ep-tls: #ff7b70;
    --ep-unknown: #f0b252;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 var(--sans); display: flex; flex-direction: column; }
button, input, select, textarea { font: inherit; color: inherit; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
a { color: var(--accent); }

.topbar { display: flex; align-items: center; gap: 24px; padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { display: flex; gap: 10px; align-items: center; }
.logo { background: var(--accent); color: #fff; font-weight: 700; border-radius: 6px; padding: 5px 7px; font-size: 12px; letter-spacing: .5px; }
.title { font-weight: 650; }
.subtitle { color: var(--muted); font-size: 12px; }
.tabs { display: flex; gap: 4px; }
.tabs button { border: 0; background: none; padding: 7px 14px; border-radius: 6px; cursor: pointer; color: var(--muted); font-weight: 550; }
.tabs button.active { background: var(--accent-soft); color: var(--accent); }
.chips { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.chip.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.chip.error { background: var(--error-soft); color: var(--error); border-color: transparent; }

main { flex: 1; min-height: 0; display: flex; }
.tab { display: none; flex: 1; min-height: 0; flex-direction: column; padding: 14px 18px; gap: 12px; }
.tab.active { display: flex; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; background: var(--panel); }
.seg button { border: 0; background: none; padding: 5px 10px; cursor: pointer; font-size: 12.5px; color: var(--muted); border-right: 1px solid var(--border); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.check { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); font-size: 13px; }

input[type=text], input[type=search], input[type=number], select, textarea {
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 6px 9px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { width: 100%; font-family: var(--mono); font-size: 12.5px; resize: vertical; min-height: 120px; line-height: 1.4; }
textarea.invalid { border-color: var(--error); }

button { border: 1px solid var(--border); background: var(--panel); border-radius: 6px; padding: 6px 12px; cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: transparent; }
button.danger { color: var(--error); }
button.small { padding: 3px 8px; font-size: 12px; }
button.link { border: 0; background: none; color: var(--accent); padding: 0 4px; font-size: 12px; }
button:disabled { opacity: .5; cursor: default; }

.split { display: flex; gap: 12px; flex: 1; min-height: 0; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); min-height: 0; }
.list-panel { flex: 1.25; overflow: auto; }
.detail-panel { flex: 1; overflow: auto; padding: 14px 16px; }
.empty { color: var(--muted); padding: 24px; text-align: center; }

table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th { position: sticky; top: 0; background: var(--panel-2); text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; padding: 7px 10px; border-bottom: 1px solid var(--border); z-index: 1; }
table.grid td { padding: 6px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.grid tbody tr { cursor: pointer; }
table.grid tbody tr:hover { background: var(--panel-2); }
table.grid tbody tr.selected { background: var(--accent-soft); }
table.plain tbody tr { cursor: default; }
td.nowrap, th.nowrap { white-space: nowrap; }

.ep { display: inline-block; font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: .4px; padding: 2px 7px; border-radius: 4px; color: #fff; }
.ep-init { background: var(--ep-init); } .ep-reg { background: var(--ep-reg); } .ep-nop { background: var(--ep-nop); }
.ep-query { background: var(--ep-query); } .ep-result { background: var(--ep-result); } .ep-tls { background: var(--ep-tls); }
.ep-unknown { background: var(--ep-unknown); }
@media (prefers-color-scheme: dark) { .ep { color: #111; } }

.status { font-family: var(--mono); font-weight: 600; }
.status.s2 { color: var(--ok); } .status.s4, .status.s5, .status.drop { color: var(--error); }

.note-summary { display: flex; gap: 6px; align-items: baseline; }
.note-summary .msg { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 360px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot.ok { background: var(--ok); } .dot.info { background: var(--info); } .dot.warn { background: var(--warn); } .dot.error { background: var(--error); }
.dot.idle { background: var(--border); }

.notes { list-style: none; padding: 0; margin: 8px 0 14px; display: flex; flex-direction: column; gap: 4px; }
.notes li { padding: 5px 9px; border-radius: 5px; font-size: 13px; display: flex; gap: 8px; }
.notes li.ok { background: var(--ok-soft); color: var(--ok); }
.notes li.info { background: var(--info-soft); color: var(--info); }
.notes li.warn { background: var(--warn-soft); color: var(--warn); }
.notes li.error { background: var(--error-soft); color: var(--error); }
.notes li b { text-transform: uppercase; font-size: 10.5px; letter-spacing: .5px; min-width: 38px; padding-top: 2px; }

h2 { font-size: 16px; margin: 0 0 4px; }
h3 { font-size: 13px; margin: 16px 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
h3:first-child { margin-top: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 3px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }
pre.code { background: var(--code-bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px; overflow: auto; max-height: 460px; margin: 0; white-space: pre-wrap; word-break: break-all; }
.subtabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin: 12px 0; flex-wrap: wrap; }
.subtabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 7px 12px; color: var(--muted); font-weight: 550; }
.subtabs button.active { color: var(--accent); border-bottom-color: var(--accent); }
.badge { white-space: nowrap; font-size: 11px; background: var(--accent-soft); color: var(--accent); padding: 1px 7px; border-radius: 999px; font-weight: 600; }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.fdm-split { gap: 12px; }
.fdm-list { width: 270px; flex: none; overflow: auto; padding: 6px; }
.fdm-item { padding: 9px 10px; border-radius: 6px; cursor: pointer; display: flex; flex-direction: column; gap: 3px; }
.fdm-item:hover { background: var(--panel-2); }
.fdm-item.selected { background: var(--accent-soft); }
.fdm-item .row { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.fdm-item .id { font-family: var(--mono); font-weight: 600; }
h2.mono { font-size: 17px; }
.fdm-detail { flex: 1; overflow: auto; padding: 16px 18px; }
.fdm-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.seen { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; margin-top: 6px; }
.seen span { display: inline-flex; gap: 5px; align-items: center; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(430px, 1fr)); gap: 12px; }
.card { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; background: var(--panel-2); display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card-head .op { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.card p { margin: 0; color: var(--muted); font-size: 12.5px; }
.presets { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; font-size: 12px; color: var(--muted); }
.actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.err { color: var(--error); font-size: 12px; min-height: 16px; }

.form-grid { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 14px; align-items: center; }
.form-grid label { color: var(--muted); font-size: 13px; }
.form-grid .hint { grid-column: 2; font-size: 12px; color: var(--muted); margin-top: -4px; }
.behaviour { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 12px; align-items: start; }

.setup { display: grid; grid-template-columns: repeat(auto-fill, minmax(520px, 1fr)); gap: 14px; overflow: auto; align-content: start; }
.setup .panel { padding: 16px 18px; min-height: auto; align-self: start; }
.callout { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 9px 12px; border-radius: 4px; font-size: 13px; margin: 8px 0; }
.callout.warn { border-color: var(--warn); background: var(--warn-soft); }
.copy { display: flex; gap: 6px; align-items: center; }
.copy code { background: var(--code-bg); border: 1px solid var(--border); padding: 4px 8px; border-radius: 5px; flex: 1; overflow: auto; white-space: nowrap; }

.toast { position: fixed; bottom: 18px; right: 18px; background: var(--text); color: var(--panel); padding: 9px 14px; border-radius: 7px; opacity: 0; transition: opacity .2s; pointer-events: none; max-width: 480px; font-size: 13px; }
.toast.show { opacity: .95; }
.toast.error { background: var(--error); color: #fff; }

@media (max-width: 900px) {
  .split { flex-direction: column; }
  .fdm-list { width: auto; max-height: 220px; }
  .cards, .setup { grid-template-columns: 1fr; }
}

.split > * { min-width: 0; }
main { overflow: hidden; }
.form-grid input[type=checkbox] { justify-self: start; }
.form-grid select, .form-grid input[type=text] { width: 100%; min-width: 0; text-overflow: ellipsis; }