/* Hub.Huayusha.cn — shared shell. Instrument-panel aesthetic, warm paper + ink green. */

:root {
  --paper: #f5f3ee;
  --panel: #fffefa;
  --panel-alt: #faf8f2;
  --ink: #16181a;
  --ink-2: #5b5f5c;
  --ink-3: #8d918c;
  --line: #e2ded4;
  --line-2: #efebe2;
  --green: #1f5c44;
  --green-2: #2f7a5b;
  --green-wash: #eaf1ec;
  --amber: #8a6a1f;
  --amber-wash: #f7f0dd;
  --red: #a33a2c;
  --red-wash: #f8ebe8;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --display: "Bricolage Grotesque", "Noto Sans SC", system-ui, sans-serif;
  --sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --r: 14px;
  --shadow: 0 1px 2px rgba(22, 24, 26, 0.035), 0 14px 32px -24px rgba(22, 24, 26, 0.22);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font: 300 14.5px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  background-color: var(--paper);
  background-image:
    radial-gradient(1100px 480px at 88% -12%, rgba(31, 92, 68, 0.07), transparent 70%),
    linear-gradient(rgba(22, 24, 26, 0.021) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 24, 26, 0.021) 1px, transparent 1px);
  background-size: auto, 30px 30px, 30px 30px;
  background-attachment: fixed, fixed, fixed;
}

a { color: inherit; }

/* ─── top bar ───────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 max(22px, calc((100vw - 1160px) / 2));
  height: 58px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 243, 238, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
}

.brand {
  font: 500 17px/1 var(--display);
  letter-spacing: -0.015em;
  text-decoration: none;
  white-space: nowrap;
}

.brand .dim { color: var(--ink-3); font-weight: 400; }

.nav {
  display: flex;
  gap: 4px;
  margin-left: 6px;
  flex: 1;
  min-width: 0;
}

.nav a {
  padding: 6px 11px;
  border-radius: 7px;
  font: 400 11px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav a:hover { color: var(--ink); background: rgba(22, 24, 26, 0.045); }

.nav a[aria-current="page"] { color: var(--green); background: var(--green-wash); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  font: 400 11.5px/1 var(--mono);
  color: var(--ink-2);
  white-space: nowrap;
}

/* ─── layout ────────────────────────────────────────────── */

.shell {
  width: min(1160px, calc(100% - 44px));
  margin: 0 auto;
  padding: 30px 0 76px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }
.self-start { align-self: start; }

/* ─── panels ────────────────────────────────────────────── */

.panel {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-2);
  background: linear-gradient(var(--panel), var(--panel-alt));
}

.panel-head h2 {
  margin: 0;
  flex: 1;
  font: 500 14.5px/1.3 var(--display);
  letter-spacing: -0.005em;
}

.panel-head .meta {
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}

.panel-body { padding: 18px; flex: 1; }
.panel-body.tight { padding: 12px 18px 16px; }
.panel-body.fill { display: flex; }

/* ─── identity strip ───────────────────────────────────── */

.strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.strip > div { background: var(--panel); padding: 15px 18px; }

.strip .k {
  display: block;
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 7px;
}

.strip .v {
  font: 400 15px/1.35 var(--mono);
  color: var(--ink);
  word-break: break-all;
}

.strip .sub { font-size: 12px; color: var(--ink-2); font-family: var(--sans); }

/* ─── status dot ───────────────────────────────────────── */

.dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-3);
}

.dot.ok { background: var(--green-2); box-shadow: 0 0 0 3px rgba(47, 122, 91, 0.15); }
.dot.bad { background: var(--red); box-shadow: 0 0 0 3px rgba(163, 58, 44, 0.14); }
.dot.warn { background: var(--amber); box-shadow: 0 0 0 3px rgba(138, 106, 31, 0.15); }
.dot.wait { background: #c3c0b7; }

/* ─── exit tiles ───────────────────────────────────────── */

.tiles {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}

.tile {
  display: flex;
  flex-direction: column;
  padding: 14px 15px 12px;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  background: var(--panel-alt);
}

.tile-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.tile-top .name { flex: 1; font-size: 13.5px; font-weight: 400; }

.tile-num {
  font: 400 27px/1 var(--mono);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.tile-num small { font-size: 12px; color: var(--ink-3); margin-left: 1px; letter-spacing: 0; }

.tile svg {
  display: block;
  flex: 1;
  width: 100%;
  min-height: 34px;
  margin: 10px 0 8px;
}

.tile-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font: 400 10.5px/1.4 var(--mono);
  color: var(--ink-3);
  white-space: nowrap;
}

.tile-foot .detail {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── service lights ──────────────────────────────────── */

.svc-group { margin-bottom: 14px; }
.svc-group:last-child { margin-bottom: 0; }

.svc-group > .g {
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.chips { display: flex; flex-wrap: wrap; gap: 7px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px 5px 9px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--panel-alt);
  font-size: 12.5px;
  color: var(--ink-2);
}

.chip.bad { border-color: rgba(163, 58, 44, 0.32); background: var(--red-wash); color: var(--red); }

/* ─── stats ───────────────────────────────────────────── */

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.stat {
  padding: 12px 14px;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  background: var(--panel-alt);
}

.stat .k {
  display: block;
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.stat .v {
  font: 400 20px/1 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.015em;
}

.stat .v small { font-size: 12px; color: var(--ink-3); margin-left: 1px; }

.stat .d {
  margin-top: 8px;
  font: 400 10.5px/1 var(--mono);
  color: var(--ink-3);
}

.bar {
  height: 3px;
  margin-top: 9px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--green-2);
  transition: width 0.5s cubic-bezier(0.22, 0.8, 0.3, 1);
}

.bar i.warn { background: var(--amber); }

/* ─── rows / timeline ─────────────────────────────────── */

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-2);
}

.row:first-child { border-top: 0; padding-top: 2px; }

.row .name { font-size: 13.5px; }

.row .grow { flex: 1; min-width: 0; }

.row .mono {
  font: 400 11.5px/1.4 var(--mono);
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row .num {
  font: 400 12px var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
  white-space: nowrap;
}

.empty {
  padding: 6px 0 2px;
  font-size: 13px;
  color: var(--ink-3);
}

/* ─── buttons ─────────────────────────────────────────── */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--green);
  border-radius: 9px;
  padding: 9px 16px;
  background: var(--green);
  color: #f4faf6;
  font: 400 13.5px var(--sans);
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease, background 0.15s ease;
}

.btn:hover:not(:disabled) { opacity: 0.9; }
.btn:active:not(:disabled) { transform: translateY(1px); }

.btn.quiet {
  background: var(--panel);
  border-color: var(--line);
  color: var(--green);
}

.btn.quiet:hover:not(:disabled) { background: var(--green-wash); opacity: 1; }

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.btns { display: flex; flex-wrap: wrap; gap: 9px; }

/* ─── form ────────────────────────────────────────────── */

.field { margin-bottom: 13px; }

.field label {
  display: block;
  margin-bottom: 5px;
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  color: var(--ink);
  font: 400 14px var(--sans);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.field input::placeholder { color: #b8b4aa; }

.field input:focus {
  outline: 0;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(31, 92, 68, 0.1);
}

.msg { margin: 12px 0 0; min-height: 1.4em; font-size: 13px; color: var(--ink-2); }
.msg.err { color: var(--red); }
.msg.ok { color: var(--green); }

.note {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--ink-2);
  max-width: 60ch;
}

/* ─── nav cards ───────────────────────────────────────── */

.card {
  position: relative;
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--shadow);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.18s cubic-bezier(0.22, 0.8, 0.3, 1), box-shadow 0.18s ease, border-color 0.18s ease;
}

.card::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 92, 68, 0.09), transparent 68%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 92, 68, 0.3);
  box-shadow: 0 1px 2px rgba(22, 24, 26, 0.04), 0 22px 44px -26px rgba(31, 92, 68, 0.4);
}

.card:hover::after { opacity: 1; }

.card .k {
  display: block;
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.card h3 {
  margin: 0 0 6px;
  font: 500 19px/1.3 var(--display);
  letter-spacing: -0.01em;
}

.card p { margin: 0; font-size: 13px; color: var(--ink-2); max-width: 40ch; }

.card .go {
  display: inline-block;
  margin-top: 14px;
  font: 400 11.5px/1 var(--mono);
  color: var(--green);
  letter-spacing: 0.04em;
}

/* ─── forwarding rules ────────────────────────────────── */

.rule {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--line-2);
}

.rule:first-child { border-top: 0; padding-top: 2px; }
.rule.off { opacity: 0.48; }

.rule-main { flex: 1; min-width: 0; }

.rule-host {
  font: 400 13.5px/1.35 var(--mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rule-host a { color: var(--green); text-decoration: none; }
.rule-host a:hover { text-decoration: underline; }

.rule-target {
  margin-top: 3px;
  font: 400 11.5px/1.4 var(--mono);
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rule-note { margin-top: 4px; font-size: 12.5px; color: var(--ink-2); }

.rule-side { display: flex; align-items: center; gap: 10px; flex: none; }

.tag {
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--panel-alt);
  font: 400 10.5px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}

.tag.proxy {
  border-color: rgba(31, 92, 68, 0.28);
  background: var(--green-wash);
  color: var(--green);
}

.rule-acts { display: flex; gap: 2px; }

.icon-btn {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 5px 8px;
  border-radius: 7px;
  font: 400 11.5px var(--sans);
  color: var(--ink-3);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.icon-btn:hover { color: var(--ink); background: rgba(22, 24, 26, 0.05); }
.icon-btn.danger:hover { color: var(--red); background: var(--red-wash); }
.icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── form extras ─────────────────────────────────────── */

.field select {
  width: 100%;
  padding: 10px 34px 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background-color: var(--panel);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%238d918c' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  color: var(--ink);
  font: 400 14px var(--sans);
  appearance: none;
  cursor: pointer;
}

.field select:focus {
  outline: 0;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(31, 92, 68, 0.1);
}

.field .hint {
  margin: 6px 0 0;
  font: 400 11.5px/1.5 var(--mono);
  color: var(--ink-3);
  word-break: break-all;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-bottom: 13px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
}

.check input {
  flex: none;
  width: 15px;
  height: 15px;
  margin: 2px 0 0;
  accent-color: var(--green);
}

/* ─── entrance ────────────────────────────────────────── */

.rise { animation: rise 0.5s cubic-bezier(0.22, 0.8, 0.3, 1) both; }
.grid > *, .strip { animation: rise 0.5s cubic-bezier(0.22, 0.8, 0.3, 1) both; }
.strip { animation-delay: 0.02s; }
.grid > *:nth-child(1) { animation-delay: 0.06s; }
.grid > *:nth-child(2) { animation-delay: 0.1s; }
.grid > *:nth-child(3) { animation-delay: 0.14s; }
.grid > *:nth-child(4) { animation-delay: 0.18s; }
.grid > *:nth-child(5) { animation-delay: 0.22s; }
.grid > *:nth-child(6) { animation-delay: 0.26s; }
.grid > *:nth-child(7) { animation-delay: 0.3s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .grid > *, .strip, .rise { animation: none; }
}

/* ─── responsive ──────────────────────────────────────── */

@media (max-width: 980px) {
  .span-4, .span-5, .span-6, .span-7, .span-8 { grid-column: span 12; }
}

@media (max-width: 760px) {
  .topbar { gap: 10px; height: 54px; padding: 0 16px; }
  .brand .dim { display: none; }
  .nav { gap: 0; margin-left: 0; }
  .nav a { padding: 6px 8px; font-size: 10px; letter-spacing: 0.05em; }
  .pill { padding: 5px 10px 5px 8px; font-size: 10.5px; gap: 6px; }
  .shell { width: calc(100% - 32px); padding-top: 22px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .tiles { grid-template-columns: 1fr; }
  .self-start { align-self: stretch; }
  .rule { flex-wrap: wrap; gap: 9px; }
  .rule-main { flex: 1 0 100%; }
  .rule-side { width: 100%; justify-content: space-between; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 400px) {
  .pill span { display: none; }
  .pill { padding: 7px; }
}