:root {
  --paper: #f4f7fb;
  --surface: #ffffff;
  --ink: #17223b;
  --muted: #68738b;
  --line: #d9e0ec;
  --line-strong: #bac6d9;
  --signal: #2457e6;
  --signal-dark: #193fae;
  --current: #009b9f;
  --warning: #e66a47;
  --danger: #bd3f46;
  --shadow: 0 18px 55px rgba(37, 55, 93, 0.09);
  --radius: 18px;
  --display: "Arial Narrow", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --body: "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { color-scheme: light; scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(rgba(36, 87, 230, 0.034) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 87, 230, 0.034) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: var(--body);
}

body.auth-pending,
body.auth-locked { overflow: hidden; }
body.auth-pending .page-shell,
body.auth-locked .page-shell { max-height: 100vh; overflow: hidden; filter: blur(7px); pointer-events: none; user-select: none; }
body.auth-ready .auth-gate { display: none; }

button, input, select { font: inherit; }
button { color: inherit; }

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(36, 87, 230, 0.22);
  outline-offset: 2px;
}

.page-shell { width: min(1380px, calc(100% - 48px)); margin: 0 auto; }

.auth-gate {
  position: fixed;
  z-index: 30;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(235, 241, 250, 0.78);
  backdrop-filter: blur(12px);
}
.auth-card {
  position: relative;
  width: min(460px, 100%);
  overflow: hidden;
  padding: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 28px 90px rgba(23, 34, 59, 0.2);
}
.auth-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--signal); }
.auth-card::after { content: ""; position: absolute; right: -68px; top: -76px; width: 180px; height: 180px; border: 28px solid rgba(36, 87, 230, 0.055); border-radius: 50%; pointer-events: none; }
.auth-brand { position: relative; z-index: 1; display: flex; align-items: center; gap: 12px; margin-bottom: 38px; }
.auth-brand > span:last-child { display: grid; }
.auth-brand strong { font: 800 21px/1 var(--display); letter-spacing: .08em; }
.auth-brand small { margin-top: 5px; color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: .14em; }
.auth-card h1 { position: relative; z-index: 1; margin: 0; font: 850 38px/1.08 var(--display); letter-spacing: -.04em; }
.auth-intro { position: relative; z-index: 1; margin: 14px 0 24px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.auth-card form { position: relative; z-index: 1; display: grid; gap: 15px; }
.auth-submit { width: 100%; margin-top: 4px; padding: 14px 16px; }
.auth-message { min-height: 20px; margin: 13px 0 0; color: var(--danger); font-size: 12px; }

.topbar {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar-button { border: 0; padding: 8px 9px; color: var(--muted); background: transparent; cursor: pointer; font-size: 12px; font-weight: 700; }
.topbar-button:hover { color: var(--signal); }

.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand > span:last-child { display: grid; }
.brand strong { font: 800 21px/1 var(--display); letter-spacing: 0.08em; }
.brand small { margin-top: 5px; color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: 0.14em; }

.brand-mark { position: relative; width: 34px; height: 34px; display: inline-grid; gap: 4px; align-content: center; }
.brand-mark::after { content: ""; position: absolute; right: 0; top: 8px; bottom: 8px; width: 4px; border-radius: 9px; background: var(--signal); }
.brand-mark i { display: block; height: 3px; background: var(--ink); border-radius: 3px; transform-origin: right; }
.brand-mark i:nth-child(1) { width: 24px; transform: rotate(18deg); }
.brand-mark i:nth-child(2) { width: 27px; }
.brand-mark i:nth-child(3) { width: 24px; transform: rotate(-18deg); }

.server-state { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--current); box-shadow: 0 0 0 5px rgba(0, 155, 159, 0.1); }

.hero {
  min-height: 390px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 80px;
  padding: 62px 0 52px;
}

.eyebrow, .section-label { margin: 0 0 12px; color: var(--signal); font: 700 11px/1 var(--mono); letter-spacing: 0.15em; }
.hero h1 { margin: 0; max-width: 790px; font: 850 clamp(42px, 5.2vw, 76px)/1.07 var(--display); letter-spacing: -0.045em; }
.hero h1 span { color: var(--signal); }
.hero-intro { max-width: 650px; margin: 26px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }

.conflux-map {
  position: relative;
  min-height: 240px;
  display: grid;
  grid-template-columns: 1fr 54px 142px;
  align-items: center;
}

.source-lanes { display: grid; gap: 32px; }
.source-lane { display: flex; align-items: center; }
.source-lane span {
  z-index: 1;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  font: 700 11px var(--mono);
  box-shadow: 0 8px 24px rgba(23, 34, 59, 0.08);
}
.source-lane i { position: relative; flex: 1; height: 2px; background: var(--line-strong); overflow: hidden; }
.source-lane i::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 34%;
  background: linear-gradient(90deg, transparent, var(--current), transparent);
  animation: current-flow 2.6s linear infinite;
}
.source-lane:nth-child(2) i::after { animation-delay: -0.8s; }
.source-lane:nth-child(3) i::after { animation-delay: -1.6s; }

.merge-spine { position: relative; height: 174px; border: solid var(--line-strong); border-width: 2px 0 2px 2px; border-radius: 20px 0 0 20px; }
.merge-spine::after { content: ""; position: absolute; top: 50%; left: 0; right: -28px; height: 2px; background: var(--signal); }
.merge-spine b { position: absolute; top: calc(50% - 5px); right: -31px; width: 10px; height: 10px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 7px rgba(36, 87, 230, 0.12); }

.output-port {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 142px;
  border-radius: 50%;
  color: white;
  background: var(--ink);
  box-shadow: 0 20px 50px rgba(23, 34, 59, 0.2);
}
.output-port::before { content: ""; position: absolute; inset: -10px; border: 1px dashed var(--signal); border-radius: 50%; }
.output-port small { align-self: end; color: #aeb9d3; font: 700 9px var(--mono); letter-spacing: 0.14em; }
.output-port strong { font: 800 38px/1 var(--display); }
.output-port span { align-self: start; color: #dce3f4; font-size: 11px; }

@keyframes current-flow { from { transform: translateX(-110%); } to { transform: translateX(330%); } }

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 140px) minmax(190px, 0.8fr) minmax(260px, 1.2fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}
.stats-strip > div { min-height: 94px; padding: 20px 24px; display: grid; align-content: center; background: var(--surface); }
.stats-strip span { color: var(--muted); font-size: 12px; }
.stats-strip strong { margin-top: 6px; font: 800 30px/1 var(--display); }
.traffic-stat { position: relative; }
.traffic-stat strong { color: var(--signal); font-size: 27px; }
.traffic-stat small { margin-top: 7px; color: var(--muted); font: 10px/1.2 var(--mono); }
.traffic-gauge { width: min(150px, 100%); height: 3px; overflow: hidden; margin-top: 10px; background: rgba(36, 87, 230, 0.11); }
.traffic-gauge i { display: block; width: 0; height: 100%; background: var(--current); transition: width 320ms ease; }
.stats-strip .endpoint-stat { align-content: center; justify-items: end; }
.endpoint-stat code { margin-top: 8px; color: var(--signal); font: 600 13px var(--mono); }

.workspace-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr); gap: 24px; margin-top: 24px; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.94); box-shadow: var(--shadow); }
.sources-panel, .output-panel { padding: 30px; }
.panel-head, .result-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.panel h2 { margin: 0; font: 800 26px/1.2 var(--display); letter-spacing: -0.025em; }

.button {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 11px 16px;
  background: var(--surface);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease, color 150ms ease;
}
.button:hover { transform: translateY(-1px); border-color: var(--signal); }
.button:disabled { cursor: wait; opacity: 0.62; transform: none; }
.button-small { padding: 9px 13px; color: var(--signal); border-color: rgba(36, 87, 230, 0.28); background: rgba(36, 87, 230, 0.05); }
.button-primary { color: white; border-color: var(--signal); background: var(--signal); }
.button-primary:hover { border-color: var(--signal-dark); background: var(--signal-dark); }
.button-ghost { background: transparent; }

.add-form { display: grid; grid-template-columns: minmax(125px, 0.3fr) minmax(250px, 1fr) minmax(155px, 0.42fr); gap: 14px; margin-top: 24px; padding: 18px; border: 1px solid rgba(36, 87, 230, 0.22); border-radius: 14px; background: rgba(36, 87, 230, 0.035); }
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 10px; }
.field { display: grid; gap: 8px; }
.field label { color: var(--muted); font-size: 12px; font-weight: 700; }
.field label small { font-weight: 400; }
.field input, .field select {
  width: 100%;
  min-height: 43px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 9px 11px;
  color: var(--ink);
  background: var(--surface);
}
.field input::placeholder { color: #9aa5ba; }

.source-list { display: grid; gap: 12px; margin-top: 24px; }
.source-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fbfcfe;
}
.source-card.is-disabled { opacity: 0.58; }
.source-index { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: var(--signal); background: rgba(36, 87, 230, 0.08); font: 700 11px var(--mono); }
.source-main { min-width: 0; }
.source-title { display: flex; align-items: center; gap: 8px; }
.source-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.request-badge { flex: 0 0 auto; padding: 3px 6px; border-radius: 5px; color: var(--signal); background: rgba(36, 87, 230, 0.07); font: 700 9px var(--mono); }
.health { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--line-strong); }
.health.ok { background: var(--current); }
.health.bad { background: var(--danger); }
.source-url { display: block; overflow: hidden; margin-top: 7px; color: var(--muted); font: 11px var(--mono); text-overflow: ellipsis; white-space: nowrap; }
.source-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 13px; margin-top: 6px; color: var(--muted); font-size: 11px; }
.source-meta .ok-text { color: var(--current); }
.source-meta .bad-text { color: var(--danger); }
.traffic-value { position: relative; padding-left: 10px; color: var(--signal); }
.traffic-value::before { content: ""; position: absolute; left: 0; top: 50%; width: 3px; height: 12px; background: var(--current); transform: translateY(-50%); }
.traffic-value b { font-family: var(--mono); font-weight: 700; }
.traffic-value.is-missing { color: var(--muted); }
.traffic-value.is-missing::before { background: var(--line-strong); }
.source-actions { display: flex; align-items: center; gap: 6px; }
.icon-button { border: 0; padding: 7px; color: var(--muted); background: transparent; cursor: pointer; font-size: 12px; }
.icon-button:hover { color: var(--signal); }
.icon-button.danger:hover { color: var(--danger); }
.compact-select { max-width: 96px; min-height: 30px; border: 1px solid var(--line); border-radius: 7px; padding: 4px 6px; color: var(--muted); background: white; font-size: 11px; }

.switch { position: relative; display: inline-block; width: 38px; height: 22px; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch span { position: absolute; inset: 0; border-radius: 22px; background: #c5cedd; cursor: pointer; transition: 160ms ease; }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: white; box-shadow: 0 2px 5px rgba(0,0,0,.18); transition: 160ms ease; }
.switch input:checked + span { background: var(--signal); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 3px solid rgba(36, 87, 230, 0.22); outline-offset: 2px; }

.empty-state { display: grid; place-items: center; min-height: 230px; border: 1px dashed var(--line-strong); border-radius: 13px; text-align: center; }
.empty-state div { max-width: 300px; }
.empty-state b { display: block; font: 800 18px var(--display); }
.empty-state p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

.output-panel { position: relative; overflow: hidden; }
.output-panel::after { content: ""; position: absolute; right: -70px; bottom: -80px; width: 190px; height: 190px; border: 32px solid rgba(36, 87, 230, 0.035); border-radius: 50%; pointer-events: none; }
.output-badge { padding: 6px 8px; border-radius: 6px; color: var(--current); background: rgba(0, 155, 159, 0.08); font: 700 9px var(--mono); letter-spacing: .12em; }
.output-panel form { position: relative; z-index: 1; margin-top: 27px; }
.field-grid { display: grid; grid-template-columns: 1fr 0.74fr; gap: 12px; }
.rule-template-note { min-height: 34px; margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.rule-template-note.is-remote { color: var(--current); }
.option-stack { display: grid; gap: 12px; margin: 24px 0; padding: 19px 0; border: solid var(--line); border-width: 1px 0; }
.check-option { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.check-option input { position: absolute; opacity: 0; }
.check-option span { position: relative; width: 18px; height: 18px; flex: 0 0 auto; border: 1px solid var(--line-strong); border-radius: 5px; background: white; }
.check-option input:checked + span { border-color: var(--signal); background: var(--signal); }
.check-option input:checked + span::after { content: ""; position: absolute; left: 5px; top: 2px; width: 5px; height: 9px; border: solid white; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.check-option input:focus-visible + span { outline: 3px solid rgba(36, 87, 230, 0.22); outline-offset: 2px; }
.check-option b { font-size: 12px; font-weight: 600; }
.limit-field { max-width: 160px; }
.aggregate-button { width: 100%; display: flex; justify-content: space-between; margin-top: 24px; padding: 14px 16px; }
.button-copy-link { width: 100%; margin-top: 9px; color: var(--signal); background: transparent; }

.result-panel { margin-top: 24px; padding: 30px; }
.result-actions { display: flex; gap: 9px; }
.result-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 24px; }
.template-result { margin-top: 16px; padding: 12px 14px; border: 1px solid rgba(0, 155, 159, 0.2); border-radius: 10px; color: #08777a; background: rgba(0, 155, 159, 0.055); font-size: 12px; }
.metric { padding: 17px; border-radius: 12px; background: var(--paper); }
.metric span { display: block; color: var(--muted); font-size: 11px; }
.metric strong { display: block; margin-top: 7px; font: 800 24px/1 var(--display); }
.protocols { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.protocol-chip { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: white; font: 600 11px var(--mono); }
.protocol-chip b { color: var(--ink); }
.failure-box { margin-top: 17px; padding: 14px 16px; border-left: 3px solid var(--warning); border-radius: 7px; color: #7e3c2c; background: #fff2ed; font-size: 12px; line-height: 1.7; }
.config-preview { margin-top: 18px; border-top: 1px solid var(--line); }
.config-preview summary { padding: 16px 0 4px; color: var(--signal); cursor: pointer; font-size: 12px; font-weight: 700; }
.config-preview pre { max-height: 480px; overflow: auto; margin: 13px 0 0; padding: 19px; border-radius: 12px; color: #d8e3ff; background: #17223b; font: 11px/1.65 var(--mono); white-space: pre; }

footer { min-height: 95px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 11px; }
footer code { font: 11px var(--mono); }

.toast { position: fixed; z-index: 10; right: 24px; bottom: 24px; max-width: min(420px, calc(100% - 48px)); padding: 13px 16px; border-radius: 10px; color: white; background: var(--ink); box-shadow: 0 18px 42px rgba(23,34,59,.24); font-size: 13px; opacity: 0; transform: translateY(10px); pointer-events: none; transition: 180ms ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

.modal-backdrop { position: fixed; z-index: 20; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(23, 34, 59, 0.44); backdrop-filter: blur(7px); }
.settings-dialog { width: min(620px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 30px; border: 1px solid var(--line-strong); border-radius: 20px; background: white; box-shadow: 0 30px 90px rgba(23, 34, 59, .25); }
.settings-head, .settings-section-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.settings-head h2 { margin: 0; font: 850 28px/1.15 var(--display); letter-spacing: -.025em; }
.dialog-close { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: white; cursor: pointer; font-size: 24px; }
.settings-section { display: grid; gap: 15px; margin-top: 22px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fbfcfe; }
.settings-section-head > div { display: grid; gap: 5px; }
.settings-section-head strong { font-size: 14px; }
.settings-section-head span { color: var(--muted); font-size: 11px; line-height: 1.5; }
.security-state { padding: 6px 8px; border-radius: 6px; color: var(--current) !important; background: rgba(0, 155, 159, .08); font: 700 9px var(--mono) !important; letter-spacing: .1em; }
.token-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; }
.token-row input { min-width: 0; border: 1px solid var(--line-strong); border-radius: 9px; padding: 10px 11px; color: var(--ink); background: white; font: 12px var(--mono); }
.text-button { justify-self: start; border: 0; padding: 2px 0; background: transparent; cursor: pointer; font-size: 11px; font-weight: 700; }
.danger-text { color: var(--danger); }
.settings-help { margin: -4px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.settings-help code { font: 11px var(--mono); }
.proxy-test-result { min-height: 18px; color: var(--current); font-size: 12px; }
.settings-actions { display: flex; justify-content: flex-end; gap: 9px; }

[hidden] { display: none !important; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 35px; }
  .conflux-map { max-width: 620px; width: 100%; }
  .workspace-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(4, 1fr); }
  .stats-strip .endpoint-stat { grid-column: 1 / -1; justify-items: start; }
}

@media (max-width: 640px) {
  .page-shell { width: min(100% - 24px, 1380px); }
  .topbar { min-height: 72px; }
  .server-state { display: none; }
  .topbar-actions { gap: 1px; }
  .hero { min-height: auto; padding: 44px 0 36px; }
  .hero h1 { font-size: clamp(38px, 12.5vw, 55px); }
  .hero-intro { font-size: 14px; }
  .conflux-map { grid-template-columns: 1fr 36px 108px; min-height: 200px; }
  .output-port { min-height: 108px; }
  .output-port strong { font-size: 29px; }
  .merge-spine { height: 148px; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stats-strip > div { min-height: 80px; padding: 14px; }
  .stats-strip strong { font-size: 24px; }
  .sources-panel, .output-panel, .result-panel { padding: 20px; }
  .panel-head, .result-head { align-items: flex-start; }
  .add-form, .field-grid { grid-template-columns: 1fr; }
  .source-card { grid-template-columns: auto minmax(0, 1fr); }
  .source-actions { grid-column: 1 / -1; justify-content: flex-end; border-top: 1px solid var(--line); padding-top: 8px; }
  .result-head { display: grid; }
  .result-metrics { grid-template-columns: repeat(2, 1fr); }
  footer { display: grid; justify-content: start; align-content: center; gap: 7px; }
  .auth-card { padding: 28px 24px; }
  .settings-dialog { padding: 22px; }
  .token-row { grid-template-columns: 1fr auto; }
  .token-row #copy-token { grid-column: 1 / -1; }
  .settings-actions { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}