/* ───────────────────────── tokens ───────────────────────── */
:root {
  color-scheme: dark;
  --bg: #0a0c0f;
  --bg-2: #0d1014;
  --panel: #111419;
  --panel-2: #161a21;
  --panel-3: #1b2029;
  --line: #1e232b;
  --line-2: #29303a;
  --line-3: #3a4350;
  --text: #e8ebf0;
  --text-2: #9ba4b2;
  --text-3: #626b79;
  --lime: #c6f432;
  --lime-2: #d8ff5c;
  --lime-dim: rgba(198, 244, 50, .10);
  --lime-line: rgba(198, 244, 50, .45);
  --amber: #ffb547;
  --amber-dim: rgba(255, 181, 71, .10);
  --cyan: #5fd4e8;
  --red: #ff6a5f;
  --red-dim: rgba(255, 106, 95, .10);
  --ink: #0a0c0f;
  --sans: -apple-system, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", monospace;
  --r: 3px;
  --rail: 220px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); }
body {
  background: var(--bg); color: var(--text);
  font: 13.5px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
small { font-size: 12px; }
b, strong { font-weight: 600; }
::selection { background: var(--lime); color: var(--ink); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #242a34; border: 2px solid var(--bg); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #313946; }
::-webkit-scrollbar-corner, ::-webkit-resizer { background: transparent; }

.muted { color: var(--text-3); }
.mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.tA { color: var(--lime); font-family: var(--mono); }
.tB { color: var(--amber); font-family: var(--mono); }

/* ───────────────────────── shell ───────────────────────── */
.shell { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); min-height: 100vh; }

.rail {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  background: var(--bg-2); border-right: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 11px;
  padding: 20px 20px 18px; border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.brand-mark { width: 28px; height: 28px; flex: none; }
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: .04em; line-height: 1.2; }
.brand-sub { font: 500 9.5px/1 var(--mono); color: var(--text-3); letter-spacing: .2em; margin-top: 5px; }

.nav { display: flex; flex-direction: column; gap: 1px; padding: 14px 10px; }
.nav-label { font: 500 10px var(--mono); color: var(--text-3); letter-spacing: .18em; padding: 4px 10px 8px; }
.nav a {
  position: relative; display: flex; align-items: center; gap: 12px;
  padding: 8px 10px; border-radius: var(--r);
  color: var(--text-2); text-decoration: none; transition: background .15s, color .15s;
}
.nav a .idx { font: 11px var(--mono); color: var(--text-3); width: 16px; transition: color .15s; }
.nav a:hover { background: var(--panel); color: var(--text); }
.nav a.active { background: var(--panel-2); color: var(--text); }
.nav a.active::before {
  content: ""; position: absolute; left: -10px; top: 9px; bottom: 9px; width: 2px; background: var(--lime);
}
.nav a.active .idx { color: var(--lime); }

.rail-foot { margin-top: auto; border-top: 1px solid var(--line); padding: 16px 20px 18px; display: grid; gap: 12px; }
.readout { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.readout span { font-size: 12px; color: var(--text-3); }
.readout b { font: 500 13px var(--mono); color: var(--text); font-variant-numeric: tabular-nums; }
.sys { display: flex; align-items: center; gap: 8px; font: 10.5px var(--mono); color: var(--text-3); letter-spacing: .1em; }
.sys i { width: 6px; height: 6px; background: var(--lime); box-shadow: 0 0 0 3px var(--lime-dim); flex: none; }
.logout {
  font-size: 12px; color: var(--text-3); text-decoration: none;
  border-top: 1px dashed var(--line-2); padding-top: 12px;
}
.logout:hover { color: var(--red); }

.main { position: relative; min-width: 0; }
.main::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 360px; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; background-position: -1px -1px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0%, transparent 100%);
}
.container { position: relative; max-width: 1400px; padding: 30px 36px 80px; }

/* ───────────────────────── page head ───────────────────────── */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-bottom: 26px;
}
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font: 500 10.5px var(--mono); letter-spacing: .2em; color: var(--text-3); text-transform: uppercase;
  margin-bottom: 10px;
}
.kicker::before { content: ""; width: 6px; height: 6px; background: var(--lime); }
h1 { font-size: 26px; font-weight: 600; letter-spacing: .02em; line-height: 1.2; }
.lead-text { color: var(--text-2); margin-top: 8px; max-width: 640px; }
.head-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.head-actions form { display: contents; }

/* ───────────────────────── panels ───────────────────────── */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); margin-bottom: 18px; min-width: 0; }
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 18px; border-bottom: 1px solid var(--line); min-height: 48px;
}
.panel-title { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; }
.panel-title .code { font: 500 10px var(--mono); color: var(--text-3); letter-spacing: .14em; font-weight: 500; }
.panel-meta { font: 11px var(--mono); color: var(--text-3); }
.panel-link { font-size: 12px; color: var(--text-2); text-decoration: none; }
.panel-link:hover { color: var(--lime); }
.panel-body { padding: 18px; }
.panel-note { color: var(--text-3); font-size: 12.5px; margin-bottom: 14px; }

.grid-main { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.grid-main > .panel { margin-bottom: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid-2-even { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stack { display: grid; gap: 18px; margin-bottom: 18px; }

/* crop marks around a block */
.crop { position: relative; }
.crop::after {
  content: ""; position: absolute; inset: -6px; pointer-events: none;
  --c: var(--line-3);
  background:
    linear-gradient(var(--c), var(--c)) left top / 10px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) left top / 1px 10px no-repeat,
    linear-gradient(var(--c), var(--c)) right top / 10px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) right top / 1px 10px no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / 10px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / 1px 10px no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / 10px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / 1px 10px no-repeat;
}

/* ───────────────────────── metrics ───────────────────────── */
.metrics {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  margin-bottom: 18px;
}
.metric { display: block; padding: 20px 22px 20px; color: inherit; text-decoration: none; min-width: 0; position: relative; }
.metric + .metric { border-left: 1px solid var(--line); }
a.metric { transition: background .15s; }
a.metric:hover { background: var(--panel-2); }
a.metric::after {
  content: "→"; position: absolute; right: 18px; top: 18px;
  font: 12px var(--mono); color: var(--text-3); transition: color .15s, transform .15s;
}
a.metric:hover::after { color: var(--text); transform: translateX(2px); }
.metric-label { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 12.5px; }
.metric-label .code { font: 500 9.5px var(--mono); letter-spacing: .16em; color: var(--text-3); }
.metric-num {
  font: 500 42px/1 var(--mono); letter-spacing: -.03em; font-variant-numeric: tabular-nums;
  margin: 16px 0 12px;
}
.metric.is-a .metric-num { color: var(--lime); }
.metric.is-b .metric-num { color: var(--amber); }
.metric-sub { font-size: 12px; color: var(--text-3); }
.metric-sub b { color: var(--text-2); font-family: var(--mono); font-weight: 500; }
.meter { height: 2px; background: var(--line-2); margin: -2px 0 12px; overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--text-2); }
.metric.is-a .meter > i { background: var(--lime); }

/* attention strip */
.alert-strip {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 18px; margin-bottom: 18px;
  border: 1px solid var(--lime-line); background: var(--lime-dim); border-radius: var(--r);
  text-decoration: none; transition: background .15s;
}
.alert-strip:hover { background: rgba(198, 244, 50, .15); }
.alert-strip .pulse { width: 8px; height: 8px; background: var(--lime); flex: none; animation: blink 1.6s steps(2, start) infinite; }
.alert-strip b { font-family: var(--mono); color: var(--lime); font-size: 15px; }
.alert-strip .go { margin-left: auto; font: 500 12px var(--mono); color: var(--lime); letter-spacing: .06em; }

/* ───────────────────────── tables ───────────────────────── */
.table-wrap { overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); }
.panel .table-wrap { border: 0; border-radius: 0 0 var(--r) var(--r); background: transparent; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  position: sticky; top: 0; z-index: 1;
  background: var(--panel-2); color: var(--text-3);
  font: 500 11px var(--mono); letter-spacing: .08em; text-align: left; white-space: nowrap;
  padding: 10px 14px; border-bottom: 1px solid var(--line-2);
}
.data-table th.r, .data-table td.r { text-align: right; }
.data-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 13px; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr { transition: background .12s; }
.data-table tbody tr:hover { background: rgba(255, 255, 255, .022); }
.data-table td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--text-2); }
.data-table td.num.hi { color: var(--text); }
.data-table.compact td { padding: 9px 14px; }
.data-table .empty { text-align: center; color: var(--text-3); padding: 38px 14px; font-size: 12.5px; }
.row-tier-A td:first-child { box-shadow: inset 2px 0 0 var(--lime); }

.comment-text { min-width: 240px; max-width: 420px; line-height: 1.55; color: var(--text); }
.comment-text mark { background: rgba(198, 244, 50, .16); color: var(--lime); padding: 0 2px; border-radius: 2px; }
.hits { display: block; margin-top: 6px; font: 11px var(--mono); color: var(--text-3); }
.video-source { min-width: 170px; max-width: 220px; color: var(--text-3); font-size: 12px; line-height: 1.5; }
.video-source a { color: var(--text-2); text-decoration: none; }
.video-source a:hover { color: var(--text); text-decoration: underline; text-decoration-color: var(--line-3); }
.cell-wrap { min-width: 140px; max-width: 260px; }
.cell-user { min-width: 140px; }
.data-table td:has(> .platform), .data-table td.nw { white-space: nowrap; }
.data-table td:has(> .st) { min-width: 130px; }
.cell-user a { text-decoration: none; }
.cell-user a:hover strong { color: var(--lime); }
.cell-sub { display: block; font: 11px var(--mono); color: var(--text-3); margin-top: 2px; }
.uid { color: var(--cyan); }
.cell-title a { text-decoration: none; }
.cell-title a:hover { color: var(--lime); }

/* inline bar */
.bar { display: flex; align-items: center; gap: 10px; min-width: 120px; }
.bar-track { flex: 1; height: 4px; background: var(--line-2); overflow: hidden; }
.bar-track i { display: block; height: 100%; background: var(--lime); }
.bar-val { font: 12px var(--mono); color: var(--text); width: 28px; text-align: right; font-variant-numeric: tabular-nums; }

/* ───────────────────────── tags / chips ───────────────────────── */
.tier {
  display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 2px;
  font: 600 12px var(--mono);
}
.tier-A { background: var(--lime); color: var(--ink); }
.tier-B { background: var(--amber-dim); color: var(--amber); box-shadow: inset 0 0 0 1px rgba(255, 181, 71, .45); }

.platform { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text); white-space: nowrap; }
.platform::before { content: ""; width: 7px; height: 7px; border-radius: 1px; background: var(--pf, #6b7280); flex: none; }
.platform-douyin { --pf: #25f4ee; }
.platform-xiaohongshu { --pf: #ff2e4d; }
.platform-kuaishou { --pf: #ff7a1a; }
.platform-wechat_channels { --pf: #fa9d3b; }
.platform-wechat_mp { --pf: #1fd37a; }
.platform-bilibili { --pf: #fb7299; }
.platform-weibo { --pf: #ff4d5e; }
.platform-zhihu { --pf: #3d8bff; }
.platform-xigua { --pf: #ff6a4d; }
.platform-toutiao { --pf: #f04142; }
.platform-pipixia { --pf: #f8c400; }

.tag {
  display: inline-block; font: 11px/1.6 var(--mono); padding: 0 6px; border-radius: 2px;
  color: var(--text-2); background: var(--panel-3); border: 1px solid var(--line-2);
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; align-items: center; }
.chips-label { font: 11px var(--mono); color: var(--text-3); letter-spacing: .06em; margin-right: 2px; }
.chip {
  font: 12px var(--sans); padding: 3px 10px; border-radius: 2px; cursor: pointer;
  border: 1px solid var(--line-2); background: transparent; color: var(--text-2); transition: .15s;
}
.chip:hover { color: var(--lime); border-color: var(--lime-line); }

/* task status with indicator */
.st { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; white-space: nowrap; }
.st::before { content: ""; width: 6px; height: 6px; background: currentColor; flex: none; }
.st-进行中, .st-排队中, .st-停止中 { color: var(--amber); }
.st-进行中::before { animation: blink 1s steps(2, start) infinite; }
.st-已完成 { color: var(--lime); }
.st-出错, .st-已中断 { color: var(--red); }
.st-已停止 { color: var(--text-3); }
.st-sub { display: block; margin-top: 3px; font: 11px var(--mono); color: var(--text-3); }

/* lead status select colouring */
.st-未联系 { color: var(--text-2); }
.st-已私信 { color: var(--text); }
.st-已加微信, .st-跟进中 { color: var(--cyan); }
.st-已转化 { color: var(--lime); }
.st-无效 { color: var(--text-3); }

@keyframes blink { to { visibility: hidden; } }

/* ───────────────────────── forms ───────────────────────── */
input:not([type=checkbox]):not([type=radio]), select, textarea {
  width: 100%; padding: 8px 11px;
  background: var(--bg-2); color: var(--text);
  border: 1px solid var(--line-2); border-radius: var(--r);
  font: inherit; font-size: 13px; transition: border-color .15s, box-shadow .15s, background .15s;
}
input:hover, select:hover, textarea:hover { border-color: var(--line-3); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px var(--lime-dim); }
::placeholder { color: var(--text-3); opacity: 1; }
textarea { resize: vertical; line-height: 1.6; }
textarea.mono { font: 12.5px/1.75 var(--mono); }
select {
  appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239ba4b2' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center;
}
select option { background: var(--panel); color: var(--text); }
.select-sm { width: auto !important; min-width: 140px; height: 34px; padding-top: 0 !important; padding-bottom: 0 !important; }

input[type=checkbox] {
  appearance: none; -webkit-appearance: none; flex: none;
  width: 14px; height: 14px; border: 1px solid var(--line-3); border-radius: 2px; background: var(--bg);
  display: inline-grid; place-items: center; cursor: pointer; transition: .12s;
}
input[type=checkbox]:checked { background: var(--lime); border-color: var(--lime); }
input[type=checkbox]:checked::after {
  content: ""; width: 7px; height: 4px; margin-top: -2px;
  border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg);
}
input[type=checkbox]:disabled { cursor: not-allowed; }

.field { margin-bottom: 20px; }
.field-label {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text);
}
.field-label .step { font: 500 10.5px var(--mono); color: var(--lime); letter-spacing: .08em; }
.field-label small { font-weight: 400; color: var(--text-3); font-size: 12px; }
.field-label .link-btns { margin-left: auto; font-weight: 400; display: flex; gap: 2px; }
.link-btns a {
  font: 11px var(--mono); color: var(--text-2); text-decoration: none; padding: 2px 8px;
  border: 1px solid var(--line-2); border-radius: 2px; transition: .15s;
}
.link-btns a:hover { color: var(--lime); border-color: var(--lime-line); }

.platform-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(156px, 1fr)); gap: 6px; }
.pf {
  display: flex; flex-wrap: wrap; align-items: center; align-content: flex-start; gap: 10px;
  padding: 10px 12px; border: 1px solid var(--line-2); border-radius: var(--r);
  background: var(--bg-2); cursor: pointer; transition: border-color .15s, background .15s;
}
.pf:hover { border-color: var(--line-3); }
.pf:has(input:checked) { border-color: var(--lime-line); background: rgba(198, 244, 50, .045); }
.pf small { flex-basis: 100%; padding-left: 24px; margin-top: -4px; font-size: 11px; line-height: 1.4; color: var(--text-3); }
.pf.disabled { opacity: .42; cursor: not-allowed; }

.advanced { border-top: 1px dashed var(--line-2); padding-top: 14px; margin-top: 4px; }
.advanced summary {
  cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 8px;
  font: 500 11.5px var(--mono); color: var(--text-2); letter-spacing: .08em; user-select: none;
}
.advanced summary::-webkit-details-marker { display: none; }
.advanced summary::before { content: "+"; display: inline-grid; place-items: center; width: 16px; height: 16px; border: 1px solid var(--line-3); font-size: 12px; line-height: 1; }
.advanced[open] summary::before { content: "−"; color: var(--lime); border-color: var(--lime-line); }
.advanced summary:hover { color: var(--text); }
.advanced-body { padding-top: 16px; }
.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.adv-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-2); }
.adv-grid input { font-family: var(--mono); }

.estimate {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 22px 0 16px; padding: 12px 14px;
  border: 1px solid var(--line-2); border-left: 2px solid var(--lime); background: var(--bg-2);
  font: 12px var(--mono); color: var(--text-2);
}
.estimate:empty { display: none; }
.estimate b { color: var(--text); font-size: 18px; font-weight: 500; }
.estimate .warn { color: var(--amber); }
.submit-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.form-msg { font-size: 12.5px; }
.form-msg:empty { display: none; }
.form-msg.ok { color: var(--lime); }
.form-msg.err { color: var(--red); }
.flash {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; margin-bottom: 18px; border-radius: var(--r); font-size: 13px;
  border: 1px solid;
}
.flash::before { content: ""; width: 6px; height: 6px; background: currentColor; flex: none; }
.flash.ok { color: var(--lime); border-color: var(--lime-line); background: var(--lime-dim); }
.flash.err { color: var(--red); border-color: rgba(255, 106, 95, .4); background: var(--red-dim); }

/* filter toolbar */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 12px; }
.toolbar select { width: auto; min-width: 128px; }
.toolbar input[type=text] { width: auto; flex: 1; min-width: 220px; }
.toolbar-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 9px 16px; border-top: 1px solid var(--line); font: 11.5px var(--mono); color: var(--text-3);
}
.toolbar-foot b { color: var(--text); font-weight: 500; }

/* inline editable cells */
.status-select { width: auto !important; min-width: 96px; padding: 4px 26px 4px 9px !important; font-size: 12px !important; background-position: right 9px center; }
.inline-input {
  width: 116px !important; padding: 4px 8px !important; font-size: 12px !important;
  background: transparent !important; border-color: transparent !important;
}
.inline-input.wide { width: 160px !important; }
.inline-input:hover { border-color: var(--line-2) !important; }
.inline-input:focus { border-color: var(--lime) !important; background: var(--bg-2) !important; }
.inline-input.saved { border-color: var(--lime-line) !important; }

/* ───────────────────────── buttons ───────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 34px; padding: 0 14px; border-radius: var(--r);
  border: 1px solid var(--line-2); background: var(--panel-2); color: var(--text);
  font: 500 13px var(--sans); text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--panel-3); border-color: var(--line-3); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, .btn-sm:focus-visible, .nav a:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
.btn-primary { background: var(--lime); border-color: var(--lime); color: var(--ink); font-weight: 600; }
.btn-primary:hover { background: var(--lime-2); border-color: var(--lime-2); color: var(--ink); }
.btn-ghost { background: transparent; }
.btn-lg { height: 42px; padding: 0 24px; font-size: 14px; }
.btn-block { width: 100%; }
.btn .arrow { font-family: var(--mono); transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn:disabled { opacity: .5; cursor: progress; }
.btn-sm {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px; border-radius: 2px;
  border: 1px solid var(--line-2); background: transparent; color: var(--text-2);
  font: 12px var(--sans); text-decoration: none; white-space: nowrap; cursor: pointer; transition: .15s;
}
.btn-sm:hover { color: var(--text); border-color: var(--line-3); }
.btn-sm.danger:hover { color: var(--red); border-color: rgba(255, 106, 95, .5); }

/* ───────────────────────── settings ───────────────────────── */
.wordbox textarea { min-height: 360px; resize: none; border: 0; border-radius: 0; background: transparent; padding: 14px 18px; }
.wordbox textarea:focus { box-shadow: inset 0 0 0 1px var(--lime); }
.count { font: 11px var(--mono); color: var(--text-3); }
.wordbox.is-a .panel-title .dot { background: var(--lime); }
.wordbox.is-b .panel-title .dot { background: var(--amber); }
.wordbox.is-x .panel-title .dot { background: var(--red); }
.dot { width: 7px; height: 7px; background: var(--text-3); display: inline-block; }
.save-bar {
  position: sticky; bottom: 0; z-index: 5; margin: 0 -36px 18px; padding: 14px 36px;
  display: flex; align-items: center; gap: 14px;
  background: rgba(10, 12, 15, .92); border-top: 1px solid var(--line);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}

/* ───────────────────────── login ───────────────────────── */
.login-body { min-height: 100vh; }
.login { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(380px, 1fr); min-height: 100vh; }
.login-visual {
  position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between;
  padding: 36px 44px; border-right: 1px solid var(--line); background: var(--bg-2);
}
.login-visual::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .45;
}
.login-visual > * { position: relative; }
.scope {
  position: absolute !important; width: min(66%, 560px); aspect-ratio: 1; right: -6%; top: 6%;
}
@media (max-width: 1280px) { .scope { opacity: .55; } }
.scope .ring { fill: none; stroke: var(--line-3); stroke-width: 1; }
.scope .ring.faint { stroke: var(--line-2); stroke-dasharray: 2 4; }
.scope .tick { stroke: var(--line-3); stroke-width: 1; }
.scope .tick.major { stroke: var(--text-3); }
.scope .axis { stroke: var(--line-2); stroke-width: 1; }
.scope .deg { fill: var(--text-3); font: 9px var(--mono); letter-spacing: .08em; }
.scope .sweep { transform-origin: 300px 300px; animation: spin 7s linear infinite; }
.scope .blip rect { fill: var(--lime); }
.scope .blip.b rect { fill: var(--amber); }
.scope .blip circle { fill: none; stroke: var(--lime); stroke-width: 1; opacity: 0; transform-box: fill-box; transform-origin: center; animation: ping 7s ease-out infinite; }
.scope .blip.b circle { stroke: var(--amber); }
.scope .blip text { fill: var(--text-2); font: 10px var(--mono); letter-spacing: .06em; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ping { 0% { opacity: .9; transform: scale(.4); } 30% { opacity: 0; transform: scale(2.6); } 100% { opacity: 0; } }

.login-brand { display: flex; align-items: center; gap: 12px; }
.login-copy { max-width: 440px; margin-top: auto; margin-bottom: 28px; }
.login-copy h2 { font-size: 40px; line-height: 1.18; font-weight: 600; letter-spacing: .01em; margin-bottom: 16px; }
.login-copy h2 em { font-style: normal; color: var(--lime); }
.login-copy p { color: var(--text-2); font-size: 14px; }
.login-specs { display: flex; gap: 0; border: 1px solid var(--line-2); width: fit-content; background: var(--bg); }
.login-specs div { padding: 12px 18px; }
.login-specs div + div { border-left: 1px solid var(--line-2); }
.login-specs b { display: block; font: 500 20px var(--mono); color: var(--text); }
.login-specs span { font-size: 11.5px; color: var(--text-3); }

.login-panel { display: flex; flex-direction: column; justify-content: center; padding: 48px 56px; position: relative; }
.login-form { width: 100%; max-width: 360px; }
.login-form h1 { margin-bottom: 8px; }
.login-form .sub { color: var(--text-2); margin-bottom: 30px; }
.login-form input { height: 44px; font-family: var(--mono); letter-spacing: .1em; margin-bottom: 14px; }
.login-foot {
  position: absolute; left: 56px; right: 56px; bottom: 28px;
  display: flex; justify-content: space-between; font: 10.5px var(--mono); color: var(--text-3); letter-spacing: .14em;
}

/* ───────────────────────── responsive ───────────────────────── */
@media (max-width: 1180px) {
  .grid-main { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(3) { border-left: 0; }
  .metric:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 900px) {
  .shell { display: block; }
  .rail { position: sticky; top: 0; z-index: 20; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { border-bottom: 0; padding: 12px 16px; }
  .brand-sub { display: none; }
  .nav { order: 3; flex-basis: 100%; flex-direction: row; overflow-x: auto; padding: 0 8px 8px; gap: 2px; }
  .nav-label { display: none; }
  .nav a { flex: none; padding: 6px 10px; }
  .nav a .idx { display: none; }
  .nav a.active::before { left: 10px; right: 10px; top: auto; bottom: 0; width: auto; height: 2px; }
  .rail-foot { margin: 0 0 0 auto; border: 0; padding: 0 16px; display: flex; align-items: center; gap: 14px; }
  .sys { display: none; }
  .logout { border: 0; padding: 0; }
  .container { padding: 22px 16px 60px; }
  .grid-3, .grid-2-even { grid-template-columns: 1fr; }
  .save-bar { margin: 0 -16px 18px; padding: 12px 16px; }
  h1 { font-size: 22px; }
  .metric-num { font-size: 34px; }
  .login { grid-template-columns: 1fr; }
  .login-visual { display: none; }
  .login-panel { padding: 40px 24px 80px; align-items: center; }
  .login-foot { left: 24px; right: 24px; }
}
@media (max-width: 560px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric { padding: 16px; }
  .metric-num { font-size: 28px; margin: 12px 0 8px; }
  .toolbar select, .toolbar input[type=text] { flex: 1 1 140px; min-width: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}