:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --surface-2: #f7f9fb;
  --border: #dde3ea;
  --text: #1b2430;
  --muted: #5d6b7c;
  --accent: #1f6fd1;
  --accent-ink: #ffffff;
  --accent-soft: #e6f0fc;
  --ok: #1a8a4a;
  --ok-soft: #e3f5ea;
  --warn: #a86400;
  --warn-soft: #fdf1dc;
  --error: #c4312b;
  --error-soft: #fbe6e5;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a;
    --surface: #171e26;
    --surface-2: #1d2630;
    --border: #2b3643;
    --text: #e3e9f0;
    --muted: #93a1b2;
    --accent: #4c95ee;
    --accent-ink: #08111c;
    --accent-soft: #1a2c44;
    --ok: #4cc27c;
    --ok-soft: #15301f;
    --warn: #e5a540;
    --warn-soft: #36290f;
    --error: #f0706a;
    --error-soft: #3a1817;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }
code.wrap { word-break: break-all; }
small, .muted, .help { color: var(--muted); }
.help { font-size: .85rem; margin: .25rem 0 0; }
.lead { margin-top: -.5rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.nowrap { white-space: nowrap; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0 1.25rem; height: 56px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 650; color: var(--text); white-space: nowrap; }
.brand img { width: 26px; height: 26px; }
.topbar nav { display: flex; gap: .25rem; overflow-x: auto; flex: 1; scrollbar-width: none; }
.topbar nav a {
  color: var(--muted); padding: .4rem .7rem; border-radius: 7px; white-space: nowrap; font-weight: 500;
}
.topbar nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.topbar nav a.active { background: var(--accent-soft); color: var(--accent); }
.me { display: flex; align-items: center; gap: .75rem; white-space: nowrap; }
.me form { margin: 0; }

main { max-width: 1280px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
main.center { min-height: 100vh; display: grid; place-items: center; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.page-head form { margin: 0; }

/* ---------- cards & layout ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card.flush { padding: 0; overflow-x: auto; }
.card.narrow { max-width: 520px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; }
.card-head h2 { margin: 0; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.grid-2.wide-left { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; margin-top: 1rem; }
.row.tight { gap: .35rem; flex-wrap: nowrap; }
.row form { margin: 0; }
@media (max-width: 900px) {
  .grid-2, .grid-2.wide-left { grid-template-columns: 1fr; }
  .topbar { height: auto; flex-wrap: wrap; padding: .6rem 1rem; gap: .5rem 1rem; }
  .topbar nav { order: 3; flex-basis: 100%; }
}

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; display: flex; flex-direction: column; box-shadow: var(--shadow); min-width: 0; }
.stat .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.stat .value { font-size: 1.35rem; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stat .sub { font-size: .82rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-online { color: var(--ok); }
.status-reconnecting, .status-stopped { color: var(--error); }
.status-connecting { color: var(--warn); }

/* ---------- forms ---------- */
input, select, textarea, button { font: inherit; color: inherit; }
input[type=text], input[type=password], input[type=number], input[type=search], input[type=email], input:not([type]), select, textarea {
  width: 100%; padding: .5rem .65rem; border: 1px solid var(--border); border-radius: 7px; background: var(--surface);
}
textarea { resize: vertical; font-family: var(--mono); font-size: .88rem; }
select[multiple] { padding: .25rem; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
label { display: flex; flex-direction: column; gap: .3rem; font-weight: 500; }
.field { margin-bottom: 1rem; }
.field.check label { flex-direction: row; align-items: center; gap: .55rem; font-weight: 400; }
.field.check input[type=checkbox] { width: 1.05rem; height: 1.05rem; accent-color: var(--accent); }
.field.enable { padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.form h2 { margin-bottom: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .5rem .95rem; border-radius: 7px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; font-weight: 550; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--error); }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .6; cursor: default; }
button.link { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0; }
button.link:hover { color: var(--text); }

.flash { padding: .65rem .9rem; border-radius: 8px; margin: 0 0 1rem; border: 1px solid transparent; }
.flash.ok { background: var(--ok-soft); color: var(--ok); }
.flash.warn { background: var(--warn-soft); color: var(--warn); }
.flash.error { background: var(--error-soft); color: var(--error); }

.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: .12rem .5rem; border-radius: 99px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge.error { background: var(--error-soft); color: var(--error); border-color: transparent; }

/* ---------- rows editor ---------- */
fieldset.rows { border: 1px solid var(--border); border-radius: 8px; padding: .75rem 1rem 1rem; margin: 0 0 1rem; }
fieldset.rows legend { font-weight: 600; padding: 0 .35rem; }
.rows-table { display: flex; flex-direction: column; gap: .5rem; margin: .75rem 0; overflow-x: auto; }
.rows-head, .rows-row { display: grid; gap: .5rem; align-items: center; min-width: max-content; }
.rows-head { font-size: .8rem; color: var(--muted); font-weight: 600; }
.cols-1 :is(.rows-head, .rows-row) { grid-template-columns: repeat(1, minmax(130px, 1fr)) 2.2rem; }
.cols-2 :is(.rows-head, .rows-row) { grid-template-columns: repeat(2, minmax(130px, 1fr)) 2.2rem; }
.cols-3 :is(.rows-head, .rows-row) { grid-template-columns: repeat(3, minmax(130px, 1fr)) 2.2rem; }
.cols-4 :is(.rows-head, .rows-row) { grid-template-columns: repeat(4, minmax(130px, 1fr)) 2.2rem; }
.cols-5 :is(.rows-head, .rows-row) { grid-template-columns: repeat(5, minmax(130px, 1fr)) 2.2rem; }
.cols-6 :is(.rows-head, .rows-row) { grid-template-columns: repeat(6, minmax(130px, 1fr)) 2.2rem; }
.rows-row .cell { font-weight: 400; }

/* ---------- module cards ---------- */
.modules { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }
.module p { margin: 0 0 1rem; }
.modlist { list-style: none; margin: 0 0 .75rem; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.modlist li { display: flex; align-items: baseline; gap: .55rem; flex-wrap: wrap; }
.modlist .err { color: var(--error); flex-basis: 100%; padding-left: 1.1rem; }
.dot { width: .6rem; height: .6rem; border-radius: 50%; background: var(--border); flex: none; transform: translateY(-1px); }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.error { background: var(--error); }

/* ---------- channel tree ---------- */
.card-head input[type=search] { max-width: 220px; }
.tree ul { list-style: none; margin: 0; padding-left: 1.1rem; }
.tree > ul { padding-left: 0; }
.tree .channel { margin: .1rem 0; }
.ch-name { padding: .2rem .4rem; border-radius: 5px; color: var(--muted); font-size: .92rem; }
.channel.occupied > .ch-name { color: var(--text); font-weight: 550; }
.channel.spacer > .ch-name { text-align: center; color: var(--muted); font-size: .8rem; letter-spacing: .05em; }
.client-btn {
  display: flex; align-items: center; gap: .5rem; width: 100%; text-align: left;
  background: none; border: 0; padding: .22rem .45rem; border-radius: 6px; cursor: pointer;
}
.client-btn:hover:not(:disabled) { background: var(--accent-soft); }
.client-btn:disabled { cursor: default; color: inherit; }
.client-btn .nick::before { content: ""; display: inline-block; width: .5rem; height: .5rem; border-radius: 50%; background: var(--ok); margin-right: .45rem; transform: translateY(-1px); }
.client.away .nick { color: var(--muted); }
.client.away .nick::before { background: var(--warn); }
.groups { display: flex; gap: .25rem; flex-wrap: wrap; }
.tag { font-size: .7rem; padding: .05rem .4rem; border-radius: 4px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.icons { margin-left: auto; font-size: .85rem; white-space: nowrap; }

/* ---------- tables ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .6rem .9rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); background: var(--surface-2); }
.table tr:last-child td { border-bottom: 0; }
.table td.actions { text-align: right; }
.table td.actions > form, .table td.actions > details { display: inline-block; margin: .15rem 0 .15rem .3rem; vertical-align: middle; text-align: left; }
.table select { width: auto; padding: .25rem .4rem; }
.logs td.msg { font-family: var(--mono); font-size: .85rem; word-break: break-word; }
.logs tr.lvl-error td.msg { color: var(--error); }
.logs tr.lvl-warn td.msg { color: var(--warn); }
details.inline summary { list-style: none; }
details.inline summary::-webkit-details-marker { display: none; }
details.inline[open] summary { margin-bottom: .35rem; }
details.inline input { width: 160px; }

/* ---------- dialog ---------- */
dialog { border: 1px solid var(--border); border-radius: 12px; padding: 1.4rem; width: min(480px, calc(100vw - 2rem)); background: var(--surface); color: var(--text); box-shadow: 0 20px 50px rgb(0 0 0 / 25%); }
dialog::backdrop { background: rgb(10 15 20 / 45%); }
dialog h2 { margin: 0; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; font-size: .9rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; word-break: break-word; }

/* ---------- auth pages ---------- */
.card.auth { width: min(420px, calc(100vw - 2rem)); padding: 2rem; }
.auth h1 { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.5rem; font-size: 1.35rem; }
.auth h1 img { width: 34px; height: 34px; }
.auth-links { text-align: center; font-size: .9rem; margin: 1.25rem 0 0; color: var(--muted); }
.resend { margin: -.5rem 0 1rem; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.divider { display: flex; align-items: center; gap: .75rem; color: var(--muted); font-size: .85rem; margin: 1.25rem 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- instance bar ---------- */
.instbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.instbar-inner { max-width: 1280px; margin: 0 auto; padding: .6rem 1.25rem 0; }
.inst-title { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; font-size: .95rem; }
.tabs { display: flex; gap: .15rem; overflow-x: auto; scrollbar-width: none; margin-top: .45rem; }
.tabs a { padding: .5rem .8rem; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; font-weight: 500; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- instance list ---------- */
.instance-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.instance-card { color: inherit; display: block; transition: border-color .15s; }
.instance-card:hover { text-decoration: none; border-color: var(--accent); }
.instance-card h2 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card.empty { max-width: 640px; }
.small { font-size: .85rem; }
.err { color: var(--error); margin: .5rem 0 0; }

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.form-grid .span-2 { grid-column: span 2; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } .form-grid .span-2 { grid-column: auto; } }
.narrow-form { max-width: 640px; }
.probe { border-top: 1px solid var(--border); padding-top: 1rem; margin-top: .25rem; }
.probe-result { margin-top: .75rem; padding: .7rem .9rem; border-radius: 8px; background: var(--surface-2); font-size: .9rem; }
.probe-result.ok { background: var(--ok-soft); color: var(--ok); }
.probe-result.error { background: var(--error-soft); color: var(--error); }
.probe-result ul { margin: .4rem 0 .5rem; padding-left: 1.1rem; color: var(--text); opacity: .85; font-size: .82rem; word-break: break-all; }
.steps { padding-left: 1.2rem; display: flex; flex-direction: column; gap: .5rem; }
.danger-zone { border-color: color-mix(in srgb, var(--error) 35%, var(--border)); }
.top-gap { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.log-filter { margin-bottom: 1rem; }
.log-filter select { width: auto; }

.card form + form, .card p + form { margin-top: .75rem; }

/* ---------- two-factor ---------- */
input.otp { font-family: var(--mono); font-size: 1.25rem; letter-spacing: .25em; text-align: center; }
.setup-grid { display: grid; grid-template-columns: minmax(0, 1fr) 150px; gap: 1.5rem; align-items: start; }
@media (max-width: 700px) { .setup-grid { grid-template-columns: 1fr; } }
.qr { background: #fff; padding: 6px; border-radius: 8px; border: 1px solid var(--border); width: 150px; max-width: 100%; }
.qr svg { display: block; width: 100%; height: auto; }
code.secret { font-size: .95rem; letter-spacing: .05em; word-break: break-all; }
.confirm-form { max-width: 360px; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.top-gap-sm { margin-top: .75rem; }
.codes { font-family: var(--mono); background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: .9rem 1.1rem; columns: 2; column-gap: 2rem; font-size: 1rem; line-height: 1.9; max-width: 420px; }
.codes-card { margin-bottom: 1.25rem; border-color: var(--warn); }
.recovery-hint { margin-top: 1rem; font-size: .9rem; }
.recovery-hint summary { cursor: pointer; color: var(--accent); }
.flash.warn { border-color: transparent; }

/* ---------- account ---------- */
.account-tabs { margin: -.5rem 0 1.25rem; border-bottom: 1px solid var(--border); }
.account-tabs a { display: inline-flex; align-items: center; gap: .45rem; }
.callout { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; border-left: 4px solid var(--warn); }
.callout.ok { border-left-color: var(--ok); }
.callout h2 { margin: 0 0 .25rem; }
.callout p { margin: 0; }
.callout-icon { font-size: 1.8rem; line-height: 1; }
.callout-body { flex: 1; min-width: 0; }
.callout form { margin: 0; }
@media (max-width: 640px) { .callout { flex-wrap: wrap; } .callout-body { flex-basis: calc(100% - 3rem); } }
.badge.nudge:hover { text-decoration: none; filter: brightness(.95); }
@media (max-width: 480px) { .badge.nudge { display: none; } }
.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: .4rem; }
@media (max-width: 700px) { .qr-wrap { align-items: flex-start; } }

/* ---------- consistent vertical rhythm between blocks ---------- */
main > .card,
main > .grid-2,
main > .stats,
main > .modules,
main > .instance-grid,
main > form.card { margin-bottom: 1.5rem; }
main > :last-child { margin-bottom: 0; }
.grid-2 > .stack { gap: 1.5rem; }
.grid-2 { gap: 1.5rem; }
.card { padding: 1.4rem 1.5rem; }
.card h2 + p { margin-top: 0; }
.callout { padding: 1.1rem 1.5rem; }
.account-tabs { margin: -.25rem 0 1.5rem; }
.single-col { max-width: 760px; }
main > .single-col { margin-bottom: 1.5rem; }

/* ---------- bot IPs ---------- */
.ip-box { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.card > h2 + .ip-box { margin-top: 0; padding-top: 0; border-top: 0; }
.ip-list { list-style: none; padding: 0; margin: .4rem 0 .9rem; display: flex; flex-direction: column; gap: .4rem; }
.ip-list li { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.ip-list code { font-size: .92rem; word-break: break-all; }
pre.cmd { font-family: var(--mono); font-size: .8rem; line-height: 1.55; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: .7rem .85rem; white-space: pre-wrap; overflow-wrap: anywhere; margin: .4rem 0 .6rem; }