:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #d9dee5;
  --text: #1c2330;
  --muted: #6b7686;
  --accent: #1f6feb;
  --accent-soft: #e7f0fe;
  --ok: #1a7f46;
  --warn: #b26a00;
  --warn-soft: #fff5e0;
  --err: #c0392b;
  --err-soft: #fdecea;
  --code-bg: #1b2430;
  --code-text: #e6edf3;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181f;
    --panel: #1c222c;
    --border: #2d3644;
    --text: #e4e8ef;
    --muted: #9aa5b5;
    --accent: #5b9dff;
    --accent-soft: #1d2b42;
    --ok: #4cc38a;
    --warn: #e2a33c;
    --warn-soft: #34291396;
    --err: #f06a5d;
    --err-soft: #3a1f1c;
    --code-bg: #0f141b;
    --code-text: #d7e0ea;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
}

header.topbar .brand {
  font-weight: 650;
  font-size: 16px;
  padding: 13px 0;
  color: var(--text);
}
header.topbar .brand span { color: var(--accent); }
header.topbar nav { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
header.topbar nav a { padding: 13px 0; color: var(--muted); font-size: 14px; }
header.topbar nav a.active, header.topbar nav a:hover { color: var(--text); text-decoration: none; }
header.topbar .who { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 10px; }

main { max-width: 1120px; margin: 0 auto; padding: 24px 20px 64px; }
main.wide { max-width: 1320px; }

h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
p.lead { color: var(--muted); margin: 0 0 24px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.panel > h2 { display: flex; align-items: center; gap: 10px; }
.panel .hint { color: var(--muted); font-size: 13px; margin: -4px 0 14px; }

.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid.cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}
textarea { min-height: 72px; resize: vertical; }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }

.check { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; }
.check label { margin: 0; color: var(--text); font-size: 14px; }

.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 15px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font-size: 14px; cursor: pointer;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--err); border-color: var(--border); }
.btn.danger:hover { border-color: var(--err); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }

.rows .row {
  display: grid; gap: 10px; align-items: end;
  padding: 12px; border: 1px solid var(--border); border-radius: 6px;
  margin-bottom: 10px; background: var(--bg);
}
.rows .row .rm { justify-self: end; }
.row-vlan { grid-template-columns: 90px 1fr 1fr 160px 90px 170px 130px 36px; }
.row-port { grid-template-columns: 130px 130px 90px 1fr 90px 1fr 100px 36px; }
.row-lag  { grid-template-columns: 70px 130px 110px 110px 1fr 1fr 36px; }
.row-acc  { grid-template-columns: 1fr 1fr 150px 36px; }
.row-peer { grid-template-columns: 1fr 2fr 1fr 36px; }

@media (max-width: 900px) {
  .rows .row { grid-template-columns: 1fr 1fr !important; }
}

pre.config {
  background: var(--code-bg); color: var(--code-text);
  padding: 16px; border-radius: var(--radius);
  overflow-x: auto; font-size: 13px; line-height: 1.55;
  font-family: "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  margin: 0;
}
pre.config .c { color: #7e8fa3; }
pre.config .h { color: #6fb3ff; font-weight: 600; }

.issue { display: flex; gap: 10px; padding: 9px 12px; border-radius: 6px; margin-bottom: 8px; font-size: 14px; }
.issue .ic { font-weight: 700; }
.issue.error { background: var(--err-soft); color: var(--err); }
.issue.warn { background: var(--warn-soft); color: var(--warn); }
.issue.info { background: var(--accent-soft); color: var(--accent); }
.issue .where { opacity: .7; font-size: 12px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 12px; background: var(--accent-soft); color: var(--accent);
}
.badge.gray { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }

.card {
  display: block; padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--panel); color: var(--text);
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card .name { font-weight: 600; margin-bottom: 4px; }
.card .meta { color: var(--muted); font-size: 13px; }

.notice { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.notice.ok { background: var(--accent-soft); color: var(--accent); }
.notice.bad { background: var(--err-soft); color: var(--err); }

.portmap { display: flex; flex-wrap: wrap; gap: 6px; }
.portmap .p {
  font-family: monospace; font-size: 12px; padding: 4px 7px;
  border: 1px solid var(--border); border-radius: 4px; background: var(--bg);
}
.portmap .p b { color: var(--accent); }
.portmap .p.sfp { border-color: var(--accent); }

.login-wrap { max-width: 360px; margin: 10vh auto; }
.login-wrap .panel { padding: 26px; }

details.op { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; background: var(--panel); }
details.op > summary { padding: 12px 16px; cursor: pointer; font-weight: 550; }
details.op > summary:hover { color: var(--accent); }
details.op .body { padding: 0 16px 16px; }
details.op .dialect { margin-top: 14px; }
details.op .dialect .t { font-size: 13px; color: var(--muted); margin-bottom: 6px; }

.note { border-left: 3px solid var(--accent); padding: 8px 12px; background: var(--bg); border-radius: 0 6px 6px 0; margin-bottom: 10px; font-size: 14px; }
.note .meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar input[type=text] { max-width: 320px; }
.toolbar select { max-width: 220px; }

.sticky-actions {
  position: sticky; bottom: 0; background: var(--panel);
  border-top: 1px solid var(--border); padding: 12px 20px;
  margin: 0 -20px -24px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.muted { color: var(--muted); font-size: 13px; }
.hidden { display: none !important; }

/* ------------------------------------------------------------------ */
/* Шаги мастера                                                        */
/* ------------------------------------------------------------------ */
.steps {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  margin: 0 0 22px; font-size: 13px;
}
.steps .step {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 13px 6px 8px; border: 1px solid var(--border);
  border-radius: 20px; color: var(--muted); background: var(--panel);
}
.steps a.step:hover { border-color: var(--accent); color: var(--text); text-decoration: none; }
.steps .step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--border);
  font-size: 11px; font-weight: 600;
}
.steps .step.done { color: var(--text); border-color: var(--accent); }
.steps .step.done .num { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.steps .step.now { color: #fff; background: var(--accent); border-color: var(--accent); }
.steps .step.now .num { background: rgba(255,255,255,.25); border-color: transparent; color: #fff; }

@media (max-width: 720px) {
  .steps .cap { display: none; }
  .steps .step { padding: 6px 8px; }
  .steps .step.now .cap { display: inline; }
}

/* ------------------------------------------------------------------ */
/* Карточки вендоров и моделей                                          */
/* ------------------------------------------------------------------ */
.card-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.vendor-card .name, .model-card .name { font-size: 16px; }
.model-card .meta { font-family: monospace; font-size: 12.5px; }

/* ------------------------------------------------------------------ */
/* Схема передней панели                                                */
/* ------------------------------------------------------------------ */
.panel-view { margin-top: 6px; }
.device-svg {
  width: 100%; max-width: 100%; height: auto;
  min-width: 0; display: block;
}
.device-svg .chassis {
  fill: var(--code-bg); stroke: var(--border); stroke-width: 1;
}
.device-svg .chassis-name {
  fill: #8fa3b8; font-size: 11px; font-weight: 600;
  font-family: monospace; letter-spacing: .04em;
}
.device-svg .group-label { fill: var(--muted); font-size: 9.5px; }
.device-svg .port rect {
  fill: #33414f; stroke: #5b6b7d; stroke-width: 1;
}
.device-svg .port text {
  fill: #cfdae6; font-size: 9px; font-family: monospace; pointer-events: none;
}
.device-svg .port.kind-sfp rect,
.device-svg .port.kind-sfpplus rect {
  fill: #1d3a52; stroke: var(--accent);
}
.device-svg .port.poe rect { stroke: #d6a53c; }
.device-svg .port:hover rect { fill: var(--accent); stroke: var(--accent); }

.panel-legend {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  margin-top: 10px; font-size: 12.5px; color: var(--muted);
}
.panel-view i.sw {
  display: inline-block; width: 14px; height: 11px; border-radius: 2px;
  vertical-align: -1px; margin-right: 5px;
  background: #33414f; border: 1px solid #5b6b7d;
}
.panel-view i.sw.kind-sfp,
.panel-view i.sw.kind-sfpplus { background: #1d3a52; border-color: var(--accent); }
.panel-view i.sw.poe { background: #33414f; border-color: #d6a53c; }

.device-photo {
  max-width: 100%; border-radius: var(--radius);
  border: 1px solid var(--border); margin-bottom: 14px; display: block;
}

details.ports-details { margin-top: 14px; }
details.ports-details > summary {
  cursor: pointer; color: var(--muted); font-size: 13.5px; padding: 4px 0;
}
details.ports-details > summary:hover { color: var(--accent); }

/* ------------------------------------------------------------------ */
/* Характеристики                                                       */
/* ------------------------------------------------------------------ */
table.specs th {
  width: 150px; text-transform: none; font-size: 13px;
  letter-spacing: 0; color: var(--muted); font-weight: 500;
}
table.specs td { font-size: 14px; }
table.specs .feature-list { display: flex; flex-wrap: wrap; gap: 6px; }

/* ------------------------------------------------------------------ */
/* Выбор разделов                                                       */
/* ------------------------------------------------------------------ */
.module-list { display: grid; gap: 10px; }
.module {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 13px 15px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--bg); cursor: pointer;
  margin: 0;
}
.module:hover { border-color: var(--accent); }
.module:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.module input { margin-top: 2px; flex: none; }
.module .t { display: block; font-weight: 600; color: var(--text); font-size: 14.5px; }
.module .d { display: block; color: var(--muted); font-size: 13px; margin-top: 3px; }

.note.own { border-left-color: var(--warn); }

.panel-groups {
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  margin-top: 12px; font-size: 13px; color: var(--text);
}
.panel-groups .pg b {
  display: inline-block; min-width: 38px; font-family: monospace;
  color: var(--accent); font-weight: 600;
}

/* ------------------------------------------------------------------ */
/* Подбор оборудования                                                 */
/* ------------------------------------------------------------------ */
.panel.suggestion { margin-bottom: 0; }
.panel.suggestion.best { border-color: var(--accent); }
ul.why { list-style: none; margin: 0; padding: 0; font-size: 13.5px; }
ul.why li { padding: 3px 0 3px 20px; position: relative; }
ul.why li::before { position: absolute; left: 0; font-weight: 700; }
ul.why li.ok::before { content: "✓"; color: var(--ok); }
ul.why li.warn { color: var(--warn); }
ul.why li.warn::before { content: "▲"; color: var(--warn); }

/* ------------------------------------------------------------------ */
/* Расшифровка конфига                                                 */
/* ------------------------------------------------------------------ */
textarea.config-input {
  font-family: "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  font-size: 13px; line-height: 1.5; min-height: 260px; white-space: pre;
  overflow-wrap: normal; overflow-x: auto;
}
table.decoded td { padding: 5px 10px; vertical-align: top; }
table.decoded .ln {
  width: 44px; text-align: right; color: var(--muted);
  font-family: monospace; font-size: 12px; user-select: none;
}
table.decoded .cmd { width: 44%; }
table.decoded .cmd code {
  font-family: "JetBrains Mono", Consolas, monospace; font-size: 12.5px;
  color: var(--accent); word-break: break-all;
}
table.decoded .mean { font-size: 13.5px; }
@media (max-width: 760px) {
  table.decoded .cmd { width: auto; }
}