:root {
  --gold: #fdce59;
  --ink: #342725;
  --muted: rgba(52, 39, 37, 0.64);
  --line: rgba(52, 39, 37, 0.14);
  --surface: #fff;
  --soft: #f8f6f1;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--gold);
  letter-spacing: 0;
}

a { color: inherit; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(253, 206, 89, 0.92);
  border-bottom: 1px solid rgba(52, 39, 37, 0.1);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(100% - 32px, 1040px);
  height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  font-size: 18px;
  font-weight: 750;
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  text-decoration: none;
}

.brand img { width: 42px; height: 42px; }
.brand .brand-wordmark { width: 92px; height: auto; transform: translateY(3px); }

.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 14px; font-weight: 650; text-decoration: none; opacity: 0.68; }
.nav-links a:hover, .nav-links a[aria-current="page"] { opacity: 1; }
.nav-login {
  min-height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 9px;
  color: #fff;
  background: var(--ink);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  opacity: 1;
  box-shadow: 0 5px 12px rgba(52,39,37,.28), 0 0 18px rgba(52,39,37,.12);
  transition: background-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.nav-links a.nav-login { opacity: 1; }
.nav-login:hover { background: #4d3935; box-shadow: 0 7px 16px rgba(52,39,37,.32), 0 0 22px rgba(52,39,37,.16); transform: translateY(-1px); }
.nav-login:active { box-shadow: 0 2px 6px rgba(52,39,37,.24), 0 0 12px rgba(52,39,37,.1); transform: translateY(1px); }
.nav-login:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.9); outline-offset: 3px; }

.language-button {
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(52, 39, 37, 0.18);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
}

.language-button:hover { background: rgba(255, 255, 255, 0.5); }

.home-main {
  min-height: calc(100vh - 68px);
  display: flex;
  flex-direction: column;
}

.hero {
  width: min(100% - 40px, 920px);
  min-height: min(680px, calc(100vh - 116px));
  margin: 0 auto;
  padding: 72px 0 64px;
  display: grid;
  place-items: center;
  text-align: center;
}

.hero-inner { max-width: 680px; }
.hero-logo { width: 132px; height: 132px; margin-bottom: 24px; }

h1, h2, h3, p { margin-top: 0; }

.hero h1 {
  margin-bottom: 10px;
}
.hero-wordmark { width: min(320px, 78vw); height: auto; display: block; margin: 0 auto; }

.hero-copy {
  max-width: 540px;
  margin: 0 auto 30px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

.button {
  min-height: 50px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
}

.button-primary { background: var(--ink); color: white; }
.button-secondary { border-color: rgba(52, 39, 37, 0.18); background: rgba(255, 255, 255, 0.38); }
.hero-actions .button { box-shadow: 0 5px 12px rgba(52,39,37,.28), 0 0 18px rgba(52,39,37,.12); transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease, transform .15s ease; }
.hero-actions .button:hover { transform: translateY(-1px); box-shadow: 0 7px 16px rgba(52,39,37,.32), 0 0 22px rgba(52,39,37,.16); }
.hero-actions .button:active { transform: translateY(1px); box-shadow: 0 2px 6px rgba(52,39,37,.24), 0 0 12px rgba(52,39,37,.1); }

.feature-band { background: var(--surface); }
.features {
  width: min(100% - 40px, 960px);
  margin: 0 auto;
  padding: 72px 0 78px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--gold);
  font-size: 20px;
  font-weight: 800;
}

.feature h2 { margin-bottom: 9px; font-size: 20px; }
.feature p { margin: 0; color: var(--muted); line-height: 1.7; }

.page-main { background: var(--soft); min-height: calc(100vh - 68px); }
.page-shell { width: min(100% - 40px, 820px); margin: 0 auto; padding: 64px 0 80px; }
.narrow-shell { max-width: 460px; }
.login-card { text-align: center; }
.page-body:has(.login-card) { background: var(--gold); }
.page-body:has(.login-card) .page-main { background: transparent; }
.login-logo { width: 72px; height: 72px; margin-bottom: 18px; }
.login-card h1 { margin-bottom: 10px; }
.form-note, .status-text { color: var(--muted); line-height: 1.6; }
form label { display: grid; gap: 7px; margin: 18px 0; text-align: left; font-size: 14px; font-weight: 650; }
input { width: 100%; min-height: 46px; padding: 0 13px; border: 1px solid var(--line); border-radius: 8px; background: white; color: var(--ink); }
.full-button { width: 100%; margin-top: 8px; }
.text-link { font-size: 14px; font-weight: 650; text-decoration: none; }
.admin-shell { width: fit-content; max-width: calc(100% - 40px); margin: 0 auto; padding: 56px 0 80px; }
.admin-heading, .panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.page-body:has(.admin-shell) .page-main { background: var(--gold); }
.admin-heading { margin-bottom: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: white; }
.admin-page .admin-heading, .page-body:has(.admin-shell) .admin-heading { display: none; }
.admin-heading h1 { margin: 0 0 6px; } .admin-heading p { margin: 0; color: var(--muted); }
.admin-heading .eyebrow { display: none; }
.eyebrow { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
.admin-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
.admin-panel {
  width: fit-content;
  max-width: 100%;
  padding: 32px;
  border: 0;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}
.admin-menu { display: flex; gap: 18px; align-items: center; margin-left: auto; margin-right: 18px; }
.admin-menu a { color: var(--ink); font-size: 14px; font-weight: 700; text-decoration: none; }
.admin-menu a[aria-current="page"], .admin-menu a:hover { color: #8b6300; }
.admin-panel .compact-button { border: 1px solid rgba(52, 39, 37, 0.18); background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(52, 39, 37, 0.08); transition: background .15s ease, border-color .15s ease, transform .15s ease; }
.admin-panel .compact-button:hover { border-color: #c99b22; background: #fff8df; transform: translateY(-1px); }
.admin-panel .compact-button[data-delete] { color: #9a3327; border-color: rgba(154, 51, 39, .24); }
.admin-panel .compact-button[data-delete]:hover { background: #fff0ed; border-color: #c86b5d; }
.admin-panel td:last-child { white-space: nowrap; }
@media (max-width: 700px) {
  .admin-shell { width: calc(100% - 24px); max-width: none; padding: 24px 0 40px; }
  .admin-menu { order: 3; width: 100%; margin: 8px 0 0; justify-content: space-between; }
  .site-header .nav { height: auto; min-height: 68px; padding: 12px 0; flex-wrap: wrap; gap: 12px; }
  .admin-panel { width: 100%; padding: 24px 20px; }
  .inline-form { grid-template-columns: 1fr; gap: 10px; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -2px; }
  table { min-width: 560px; font-size: 12px; }
  th, td { padding: 10px 7px; }
  .admin-panel .compact-button { min-height: 36px; padding: 0 11px; font-size: 12px; }
}
.panel-heading h2 { margin: 0; font-size: 20px; } .count-badge { min-width: 28px; padding: 4px 8px; border-radius: 12px; background: var(--gold); text-align: center; font-size: 12px; font-weight: 800; }
.inline-form { display: grid; grid-template-columns: 1fr 1fr 90px auto; gap: 10px; margin: 0 0 28px; } .inline-form input { min-height: 44px; } .compact-button { min-height: 40px; padding: 0 14px; border-radius: 8px; font-size: 13px; }
.table-wrap { overflow-x: auto; } table { width: 100%; border-collapse: collapse; font-size: 13px; } th, td { padding: 14px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; } th { color: var(--muted); font-size: 11px; text-transform: uppercase; } .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; } .empty-state { padding: 28px 0; color: var(--muted); text-align: center; } .status-pill { padding: 4px 8px; border-radius: 10px; background: #eee; color: var(--muted); font-size: 11px; font-weight: 700; } .status-pill.is-on { background: #e3f3df; color: #32652a; }
.node-priority { width: 50px; min-height: 36px; margin-right: 8px; padding: 0 4px; border: 1px solid var(--line); border-radius: 8px; background: #faf9f5; text-align: center; appearance: textfield; -moz-appearance: textfield; }
.node-priority::-webkit-inner-spin-button,.node-priority::-webkit-outer-spin-button { margin: 0; appearance: none; -webkit-appearance: none; }
/* Web login mirrors the iOS login screen. */
.ios-login-page { min-width: 320px; min-height: 100vh; min-height: 100dvh; overflow-x: hidden; background: var(--gold); }
.ios-login-language { position: fixed; top: max(18px, env(safe-area-inset-top)); right: 20px; z-index: 10; }
.ios-login-screen {
  width: min(100%, 420px); min-height: 100vh; min-height: 100dvh; margin: 0 auto;
  padding: max(32px, env(safe-area-inset-top)) 24px max(32px, env(safe-area-inset-bottom));
  display: flex; flex-direction: column; justify-content: center; gap: 40px;
  background: var(--gold); animation: ios-login-enter 0.6s ease-out both;
}
.ios-login-brand,
.ios-login-brand p { display: block; color: inherit; text-align: center; text-decoration: none !important; }
.ios-login-logo { width: 120px; height: 120px; display: block; margin: 0 auto 24px; }
.ios-login-wordmark { width: 180px; height: auto; display: block; margin: 0 auto 10px; }
.ios-login-brand p { margin: 0; color: rgba(0, 0, 0, 0.6); font-size: 16px; font-weight: 500; }
.ios-login-card { width: 100%; padding: 32px; border-radius: 24px; background: #fff; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15); }
.ios-login-heading { margin-bottom: 18px; text-align: center; }
.ios-login-heading h2 { margin: 0 0 8px; color: rgba(0, 0, 0, 0.8); font-size: 24px; line-height: 1.25; }
.ios-login-heading p { margin: 0; color: rgba(0, 0, 0, 0.6); font-size: 15px; font-weight: 500; }
.ios-input-group { display: grid; gap: 16px; }
.ios-field {
  min-height: 58px; margin: 0; padding: 0 20px; display: flex; align-items: center; gap: 12px;
  border: 1px solid rgba(0, 0, 0, 0.14); border-radius: 16px; background: #f7f7f5;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.ios-field:focus-within { border: 2px solid var(--gold); box-shadow: 0 0 0 2px rgba(253, 206, 89, 0.12); transform: scale(1.02); }
.ios-field input {
  min-width: 0; min-height: 56px; flex: 1 1 auto; padding: 0; border: 0; outline: 0; background: transparent;
  color: rgba(0, 0, 0, 0.8); font-size: 20px; font-weight: 500;
}
.ios-field input::placeholder { color: rgba(0, 0, 0, 0.4); font-size: 16px; opacity: 1; }
.ios-phone-field { gap: 10px; }
.ios-phone-field select {
  width: 95px; flex: 0 0 95px; border: 0; outline: 0; color: rgba(0, 0, 0, 0.75); background: transparent;
  font: 600 16px/1 -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif; cursor: pointer;
}
.ios-field-divider { width: 1px; height: 28px; flex: 0 0 1px; background: rgba(0, 0, 0, 0.14); }
.ios-lock { width: 30px; height: 22px; flex: 0 0 30px; display: grid; place-items: center; color: #d9a81f; }
.ios-lock svg { width: 18px; height: 18px; display: block; }
.ios-account-actions { height: 28px; margin: 7px 18px; display: flex; align-items: center; justify-content: space-between; }
.ios-account-actions a { color: #8b6300; font-size: 13px; font-weight: 600; text-decoration: none; }
.ios-account-actions a:hover { text-decoration: underline; }
.ios-login-button {
  width: 100%; height: 56px; border: 0; border-radius: 16px; display: flex; align-items: center; justify-content: center; gap: 12px;
  color: rgba(0, 0, 0, 0.8); background: var(--gold); box-shadow: 0 5px 10px rgba(253, 206, 89, 0.4);
  font-size: 18px; font-weight: 600; cursor: pointer; transition: opacity 0.2s ease, transform 0.2s ease;
}
.ios-login-button:not(:disabled):hover { transform: scale(1.02); }
.ios-login-button:disabled { color: rgba(0, 0, 0, 0.45); background: rgba(128, 128, 128, 0.3); box-shadow: none; cursor: default; }
.ios-login-button.is-loading { opacity: 0.7; }
.ios-login-button-icon { font-size: 20px; line-height: 1; }
.ios-login-button.is-loading .ios-login-button-icon {
  width: 18px; height: 18px; border: 2px solid rgba(0, 0, 0, 0.25); border-top-color: rgba(0, 0, 0, 0.8);
  border-radius: 50%; font-size: 0; animation: ios-login-spin 0.8s linear infinite;
}
.ios-login-toast {
  position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom)); z-index: 20;
  max-width: min(440px, calc(100% - 48px)); padding: 10px 16px; border-radius: 999px;
  color: #fff; background: rgba(0, 0, 0, 0.78); font-size: 13px; font-weight: 500; text-align: center;
  opacity: 0; pointer-events: none; transform: translate(-50%, 8px); transition: opacity 0.2s ease, transform 0.2s ease;
}
.ios-login-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.user-screen { width: min(100% - 32px, 650px); min-height: 100vh; margin: 0 auto; padding: 36px 0 48px; }
.user-header { position: relative; min-height: 220px; display: flex; justify-content: center; align-items: flex-start; }
.user-brand { min-width: 280px; text-align: center; }
.user-logo-link { width: 120px; height: 120px; margin: 0 auto 24px; display: block; border-radius: 50%; }
.user-logo-link .ios-login-logo { margin: 0; }
.user-wordmark { width: 135.414px; height: 29.086px; margin: 0 auto 12px; display: block; }
.user-navigation { display: flex; align-items: center; justify-content: center; gap: 16px; }
.user-navigation-group { display: flex; align-items: center; gap: 26px; }
.user-navigation-divider { width: 1px; height: 18px; background: rgba(52,39,37,.42); }
[data-admin-navigation][hidden] { display: none; }
[data-user-navigation][hidden] { display: none; }
.user-navigation a { position: relative; min-height: 38px; padding: 8px 2px 9px; display: inline-flex; align-items: center; color: rgba(0,0,0,.58); font-size: 15px; font-weight: 650; text-decoration: none; -webkit-tap-highlight-color: transparent; }
.user-navigation-group a + a::before { content: ""; position: absolute; top: calc(50% - 2px); left: -14px; width: 3px; height: 3px; border-radius: 50%; background: #6f6462; opacity: .65; pointer-events: none; }
.user-navigation a:hover,.user-navigation a:focus-visible { color: var(--ink); }
.user-navigation a.is-current { color: var(--ink); }
.user-navigation a.is-current::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 2px; border-radius: 1px; background: var(--ink); }
.user-language { position: absolute; top: 0; right: 0; }
.user-logout-section { margin-top: 8px; padding-top: 28px; border-top: 1px solid var(--line); }
.user-logout { width: 100%; height: 50px; min-height: 50px; padding: 0 18px; border: 0; border-radius: 16px; display: flex; align-items: center; justify-content: center; gap: 5px; color: #fff; background: linear-gradient(90deg, #ff6b6b, #ff5757); box-shadow: 0 4px 8px rgba(255,107,107,.3); font-size: 18px; font-weight: 600; line-height: 1; cursor: pointer; transition: opacity .15s ease, transform .15s ease; }
.user-logout:hover { transform: translateY(-1px); }.user-logout:active { opacity: .86; transform: scale(.99); }.user-logout-icon { width: 20px; height: 20px; flex: 0 0 20px; display: block; }
.recharge-submit { cursor: pointer; box-shadow: 0 5px 12px rgba(52,39,37,.28), 0 0 18px rgba(52,39,37,.12); transition: opacity .15s ease, transform .15s ease, box-shadow .15s ease; }
.recharge-submit:hover { transform: translateY(-1px); box-shadow: 0 7px 16px rgba(52,39,37,.32), 0 0 22px rgba(52,39,37,.16); }
.recharge-submit:active { opacity: .86; transform: scale(.99); box-shadow: 0 2px 6px rgba(52,39,37,.24), 0 0 12px rgba(52,39,37,.1); }
.user-card-shell { position: relative; margin-top: 28px; }
.user-account-identity { min-height: 18px; margin: 0 0 10px; color: rgba(52,39,37,.58); font-size: 13px; font-weight: 600; line-height: 18px; }
.user-account-identity[hidden] { display: none; }
.user-card { margin-top: 0; padding: 36px; border-radius: 24px; background: #fff; box-shadow: 0 10px 20px rgba(0,0,0,.15); }
.user-placeholder-card { min-height: 440px; }
.admin-user-screen { width: min(100% - 32px,1100px); }
.admin-navigation-card { width: 100%; max-width: none; margin-top: 28px; }
.user-card-shell > .admin-navigation-card { margin-top: 0; }
.admin-toolbar { margin-bottom: 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.admin-toolbar h2 { margin: 0; font-size: 20px; }
.auto-refresh-toggle { position: relative; width: 40px; height: 40px; padding: 0; border: 0; display: grid; place-items: center; color: rgba(52,39,37,.38); background: transparent; cursor: pointer; -webkit-tap-highlight-color: transparent; transition: color .15s ease, transform .15s ease; }
.auto-refresh-toggle:hover { color: var(--ink); }
.auto-refresh-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.auto-refresh-toggle.is-active { color: var(--ink); }
.auto-refresh-icon { display: block; width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.15; stroke-linecap: round; transform-origin: 50% 50%; will-change: transform; }
.auto-refresh-track { stroke-dasharray: 38 12 38 12; }
.auto-refresh-status { fill: #a8a8ad; stroke: none; transition: fill .15s ease; }
.auto-refresh-toggle.is-active .auto-refresh-status { fill: #34c759; }
.auto-refresh-toggle.is-active .auto-refresh-icon { animation: auto-refresh-spin 4.8s linear infinite; }
@keyframes auto-refresh-spin { to { transform: rotate(360deg); } }
.admin-node-name,.admin-node-status { display: inline-flex; align-items: center; gap: 9px; }
.admin-node-status .admin-node-status-dot { display: none; }
.admin-node-status-dot { width: 9px; height: 9px; flex: 0 0 9px; border-radius: 50%; }
.admin-node-status-dot.enabled,.admin-node-status-dot.healthy { background: #34c759; box-shadow: 0 0 0 3px rgba(52,199,89,.12); }
.admin-node-status-dot.offline { background: #e34b45; box-shadow: 0 0 0 3px rgba(227,75,69,.12); }
.admin-node-status-dot.unhealthy { background: #e5ad22; box-shadow: 0 0 0 3px rgba(229,173,34,.14); }
.admin-node-status-dot.disabled { background: #a8a8ad; box-shadow: 0 0 0 3px rgba(168,168,173,.12); }
.admin-node-table tbody tr { transition: background-color .15s ease, color .15s ease; }
.admin-node-table tbody td { padding-top: 8px; padding-bottom: 8px; }
.admin-node-table tbody tr.is-disabled { color: rgba(52,39,37,.48); background: rgba(168,168,173,.09); }
.admin-node-table tbody tr.is-disabled input { color: rgba(52,39,37,.55); background: rgba(248,246,241,.72); }
.admin-node-table tbody tr.is-disabled .admin-node-actions { color: var(--ink); }
.node-region-list { display: inline-flex; align-items: center; gap: 6px; }
.node-region-tag { display: inline-flex; align-items: baseline; gap: 4px; padding: 4px 7px; border: 1px solid rgba(52,39,37,.12); border-radius: 6px; background: rgba(52,39,37,.045); color: rgba(52,39,37,.76); font-size: 11px; font-weight: 650; }
.node-region-tag.is-default { background: rgba(253,206,89,.2); border-color: rgba(139,99,0,.2); color: #6f5108; }
.node-region-empty { color: var(--muted); font-size: 12px; }
.node-coverage { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; max-width: 240px; }
.node-coverage .node-region-list { flex-wrap: wrap; }
.remove-device-dialog.node-coverage-dialog { width: min(480px, calc(100% - 32px)); border-radius: 8px; }
.node-coverage-dialog .remove-device-dialog-content { text-align: left; }
.node-coverage-dialog fieldset { padding: 0; margin: 18px 0 0; border: 0; min-width: 0; }
.node-coverage-default { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.node-coverage-dialog input[type=checkbox] { width: 16px; height: 16px; flex-shrink: 0; margin: 0; }
.node-coverage-search { width: 100%; box-sizing: border-box; }
.node-coverage-options { height: 280px; overflow-y: auto; margin-top: 12px; }
.node-coverage-options label { display: flex; align-items: center; gap: 10px; min-height: 38px; font-size: 13px; border-bottom: 1px solid rgba(52,39,37,.08); }
.node-coverage-options label[hidden] { display: none; }
.node-coverage-options label > span:not(.mono) { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.node-coverage-options small { color: var(--muted); }
@media (max-height: 650px) { .node-coverage-options { height: 180px; } }
.admin-node-table tr.is-disabled .node-region-tag { opacity: .7; }
.node-multiplier { display: inline-flex; align-items: center; gap: 5px; }
.node-multiplier input { width: 45px; min-height: 38px; padding: 0 3px; text-align: center; appearance: textfield; -moz-appearance: textfield; }
.node-multiplier input::-webkit-inner-spin-button,.node-multiplier input::-webkit-outer-spin-button { margin: 0; appearance: none; -webkit-appearance: none; }
.node-multiplier span { color: var(--muted); font-weight: 700; }
.admin-node-actions { white-space: nowrap; }
.admin-node-actions .compact-button:disabled { opacity: .38; cursor: default; box-shadow: none; }
.admin-node-actions .danger { color: #a33a32; border-color: rgba(163,58,50,.25); }
.admin-node-table tbody td.node-traffic-cell { width: 230px; min-width: 230px; padding-top: 4px; padding-bottom: 4px; }
.admin-node-table tbody td.node-metrics-cell { min-width: 205px; padding-top: 4px; padding-bottom: 4px; }
.node-metrics { display: grid; gap: 2px; color: var(--muted); font-size: 9px; line-height: 1.15; letter-spacing: 0; }
.node-metrics > div { display: flex; align-items: baseline; gap: 4px; }
.node-metrics span { font-weight: 650; }
.node-metrics b { color: var(--ink); font: 700 10px/1.15 ui-monospace, SFMono-Regular, Menlo, monospace; }
.node-metrics b.is-warning { color: #a87800; }
.node-metrics b.is-critical { color: #b33a32; }
.node-metrics i { color: rgba(52,39,37,.24); font-style: normal; }
.node-metrics-empty { color: var(--muted); font-size: 11px; }
.admin-node-table tr.is-disabled .node-metrics { opacity: .72; }
.node-traffic-range { display: inline-flex; align-items: center; gap: 4px; min-height: 30px; padding: 0; border: 0; color: inherit; background: transparent; cursor: pointer; font: inherit; letter-spacing: 0; text-transform: uppercase; }
.node-traffic-range > span:not(:first-child) { position: relative; color: rgba(52,39,37,.34); transition: color .15s ease; }
.node-traffic-range > span.is-active { color: var(--ink); }
.node-traffic-range > span.is-active::after { content: ''; position: absolute; right: 1px; bottom: -5px; left: 1px; height: 2px; border-radius: 2px; background: var(--ink); }
.node-traffic-range i { color: rgba(52,39,37,.22); font-style: normal; }
.node-traffic-range.is-loading { cursor: wait; opacity: .72; }
.node-traffic-range:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; border-radius: 2px; }
.node-traffic-chart { position: relative; width: 220px; height: 60px; touch-action: pan-y; }
.node-traffic-chart svg { display: block; width: 220px; height: 60px; overflow: hidden; }
.node-traffic-baseline { stroke: rgba(52,39,37,.16); stroke-width: 1; vector-effect: non-scaling-stroke; }
.node-traffic-line { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.node-traffic-line.down,.node-traffic-line.up { stroke: var(--gold); }
.node-traffic-area { display: none; }
.node-traffic-cursor { position: absolute; top: 5px; bottom: 5px; width: 1px; background: rgba(52,39,37,.42); opacity: 0; pointer-events: none; transform: translateX(-50%); }
.node-traffic-cursor.visible { opacity: 1; }
.node-traffic-chart .sparkline-tooltip { top: -15px; }
.node-traffic-chart .sparkline-tooltip::after { content: ''; position: absolute; top: 100%; left: var(--traffic-tooltip-pointer, 50%); border: 4px solid transparent; border-top-color: rgba(52,39,37,.92); transform: translateX(-50%); }
.admin-node-table tr.is-disabled .node-traffic-chart { opacity: .52; }
@media (max-width: 700px) {
  .admin-node-table tbody td.node-traffic-cell { width: 190px; min-width: 190px; }
  .node-traffic-chart,.node-traffic-chart svg { width: 180px; }
  .admin-node-table tbody td.node-metrics-cell { min-width: 195px; }
}
.admin-search { max-width: 620px; margin: 0 0 22px; display: grid; grid-template-columns: minmax(220px,1fr) auto auto; gap: 10px; align-items: center; }
.admin-search input { min-height: 40px; }
@media (max-width: 700px) { .admin-search { grid-template-columns: 1fr 1fr; }.admin-search input { grid-column: 1 / -1; } }
.admin-sort-button { min-height: 30px; padding: 0; border: 0; display: inline-flex; align-items: center; gap: 5px; color: inherit; background: transparent; cursor: pointer; font: inherit; letter-spacing: 0; text-transform: uppercase; }
.admin-sort-icon { position: relative; width: 9px; height: 13px; flex: 0 0 9px; color: rgba(52,39,37,.3); }
.admin-sort-icon::before,.admin-sort-icon::after { content: ''; position: absolute; left: 2px; width: 5px; height: 5px; border-top: 1.5px solid currentColor; border-left: 1.5px solid currentColor; box-sizing: border-box; }
.admin-sort-icon::before { top: 1px; transform: rotate(45deg); }
.admin-sort-icon::after { bottom: 1px; transform: rotate(225deg); }
.admin-sort-button.is-active { color: var(--ink); }
.admin-sort-button.is-active .admin-sort-icon { color: var(--ink); }
.admin-sort-button.is-active.is-asc .admin-sort-icon::after,.admin-sort-button.is-active.is-desc .admin-sort-icon::before { display: none; }
.admin-sort-button.is-active.is-asc .admin-sort-icon::before { top: 4px; }
.admin-sort-button.is-active.is-desc .admin-sort-icon::after { bottom: 4px; }
.admin-user-status { display: inline-flex; align-items: center; gap: 8px; }
.admin-user-status-dot { width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%; }
.admin-user-status-dot.active { background: #34c759; box-shadow: 0 0 0 3px rgba(52,199,89,.12); }
.admin-user-status-dot.inactive { background: #a8a8ad; box-shadow: 0 0 0 3px rgba(168,168,173,.12); }
.admin-user-status-dot.disabled { background: #e34b45; box-shadow: 0 0 0 3px rgba(227,75,69,.12); }
.admin-user-table tr.is-disabled { color: rgba(52,39,37,.5); background: rgba(168,168,173,.08); }
.admin-user-table tr.is-disabled td:last-child { color: var(--ink); }
.admin-pagination { min-height: 40px; margin-top: 18px; display: flex; align-items: center; justify-content: center; gap: 16px; color: var(--muted); font-size: 12px; }
.admin-pagination .compact-button:disabled { cursor: default; opacity: .36; }
.admin-adjust-dialog { width: min(390px, calc(100% - 40px)); }
.admin-adjust-summary { margin-top: 20px; display: grid; gap: 14px; text-align: left; }
.admin-adjust-summary > div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.admin-adjust-summary span,.admin-adjust-summary p { color: var(--muted); font-size: 12px; }
.admin-adjust-summary strong { color: var(--ink); font-size: 17px; }
.admin-adjust-summary label span { margin-bottom: 7px; display: block; }
.admin-adjust-summary input { width: 100%; min-height: 46px; text-align: center; font-size: 18px; }
.admin-adjust-summary p { margin: -6px 0 0; line-height: 1.4; }
.user-summary { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(180px, 1.35fr) 112px; align-items: center; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }.user-label,.user-help { margin: 0 0 8px; color: var(--muted); font-size: 14px; }.user-summary strong { font-size: 32px; }
.account-usage-chart { min-width: 0; }.account-usage-chart .device-sparkline { height: 88px; }.account-usage-chart .device-sparkline svg { height: 88px; }
.user-usage { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.user-ring { position: relative; width: 112px; height: 112px; flex: 0 0 112px; }.user-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }.user-ring circle { fill: none; stroke-width: 9; }.user-ring-track { stroke: #fff; }.user-ring-value { stroke: var(--gold); stroke-linecap: round; stroke-dasharray: 264; transition: stroke-dashoffset .35s ease; }.user-ring span { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 800; }
.user-section { padding-top: 24px; }.user-section h2 { margin: 0 0 8px; font-size: 20px; }.recharge-help { display: grid; gap: 3px; line-height: 1.55; }.recharge-help span { display: block; }.user-recharge { display: grid; gap: 14px; margin: 18px 0 0; }.recharge-options { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; min-width: 0; margin: 0; padding: 0; border: 0; }.recharge-options legend,.custom-amount-field > span { margin-bottom: 8px; color: var(--ink); font-size: 13px; font-weight: 650; }.recharge-options legend { grid-column: 1 / -1; }.recharge-option { min-width: 0; min-height: 62px; padding: 9px 6px; border: 1px solid rgba(52,39,37,.18); border-radius: 10px; color: var(--ink); background: #fff; cursor: pointer; transition: border-color .15s ease,background .15s ease,transform .15s ease; }.recharge-option strong,.recharge-option span { display: block; }.recharge-option strong { font-size: 17px; }.recharge-option span { margin-top: 3px; color: var(--muted); font-size: 11px; }.recharge-option:hover { transform: translateY(-1px); }.recharge-option.is-selected { border-color: var(--gold); background: #fff8df; box-shadow: 0 0 0 1px var(--gold); }.custom-amount-field { margin: 0; }.custom-amount-field[hidden] { display: none; }.custom-amount-field > span { display: block; }.user-recharge input { width: 100%; min-height: 50px; }#amount { font-size: 24px; font-weight: 700; }.recharge-submit { width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px; }.recharge-submit #recharge-submit-amount:empty { display: none; }.user-section-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }.user-device { display: grid; grid-template-columns: minmax(170px, 1fr) minmax(220px, 1.7fr) auto; align-items: center; gap: 18px; padding: 14px 0; border-top: 1px solid var(--line); }.user-device-info { min-width: 0; }.user-device strong,.user-device span { display: block; }.user-device strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.user-device span { margin-top: 4px; color: var(--muted); font-size: 13px; }
.user-device-title { display: flex; align-items: center; gap: 9px; }.user-device-title .device-status-dot { width: 9px; height: 9px; flex: 0 0 9px; margin: 0; border-radius: 50%; }.device-status-dot.online { background: #34c759; box-shadow: 0 0 0 3px rgba(52,199,89,.12); }.device-status-dot.offline { background: #a8a8ad; }
.remove-device-dialog { width: min(340px, calc(100% - 40px)); max-width: none; margin: auto; padding: 0; border: 0; border-radius: 24px; color: var(--ink); background: var(--surface); box-shadow: 0 10px 20px rgba(0,0,0,.15); }
.remove-device-dialog::backdrop { background: rgba(52,39,37,.28); backdrop-filter: blur(2px); }
.remove-device-dialog-content { padding: 28px; text-align: center; }
.remove-device-dialog h2 { margin: 4px 0 0; font-size: 20px; line-height: 1.4; }
.remove-device-dialog .remove-device-error { margin: 12px 0 0; color: #9f2f2f; font-size: 13px; line-height: 1.5; }.remove-device-error[hidden] { display: none; }
.remove-device-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 24px; }
.remove-device-actions .button { min-height: 42px; padding: 0 14px; border-radius: 10px; color: var(--ink); background-clip: padding-box; appearance: none; -webkit-appearance: none; cursor: pointer; font-size: 14px; }.remove-device-actions .button-primary { color: #fff; }.remove-device-actions .button:disabled { cursor: wait; opacity: .62; }
.device-sparkline { position: relative; width: 100%; min-width: 0; height: 72px; touch-action: pan-y; }
.device-sparkline svg { display: block; width: 100%; height: 72px; overflow: visible; }
.device-sparkline path { fill: none; stroke: #342725; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.device-sparkline .sparkline-marker { position: absolute; width: 10px; height: 10px; margin: 0; border: 3px solid #342725; border-radius: 50%; background: #fff; box-sizing: border-box; opacity: 0; pointer-events: none; transform: translate(-50%, -50%); transition: opacity .12s ease; }
.sparkline-marker.visible { opacity: 1; }
.sparkline-tooltip { position: absolute; top: -18px; z-index: 2; padding: 5px 8px; border-radius: 6px; color: #fff; background: rgba(52,39,37,.92); box-shadow: 0 3px 8px rgba(52,39,37,.16); font-size: 11px; line-height: 1; white-space: nowrap; opacity: 0; pointer-events: none; transform: translateX(-50%); transition: opacity .12s ease; }
.sparkline-tooltip.visible { opacity: 1; }
.user-section-heading .compact-button, .user-device .compact-button { min-height: 36px; height: 36px; padding: 0 13px; border: 1px solid rgba(52,39,37,.18); border-radius: 10px; color: var(--ink); background: #fff; font-size: 13px; box-shadow: 0 1px 2px rgba(52,39,37,.06); transition: background .15s ease, border-color .15s ease, transform .15s ease; }
.user-section-heading .compact-button:hover, .user-section-heading .compact-button:focus-visible, .user-device .compact-button:hover, .user-device .compact-button:focus-visible { border-color: #c99b22; background: #fff8df; transform: translateY(-1px); }
@media (max-width: 600px) { .user-screen { width: calc(100% - 40px); padding-top: 24px; }.user-header { min-height: 210px; }.user-brand { min-width: 230px; }.user-navigation { gap: 11px; }.user-navigation-group { gap: 20px; }.user-navigation-group a + a::before { left: -11px; }.user-navigation a { min-height: 40px; padding-right: 1px; padding-left: 1px; font-size: 13px; }.user-navigation-divider { height: 16px; }.user-card-shell { margin-top: 26px; }.user-account-identity { margin-bottom: 8px; font-size: 12px; }.user-card { padding: 28px; }.user-placeholder-card { min-height: 360px; }.user-summary { grid-template-columns: minmax(0, 1fr) 92px; gap: 14px 18px; }.user-summary strong { font-size: 26px; }.user-ring { width: 92px; height: 92px; flex-basis: 92px; }.account-usage-chart { grid-column: 1 / -1; grid-row: 2; }.account-usage-chart .device-sparkline,.account-usage-chart .device-sparkline svg { height: 52px; }.recharge-options { grid-template-columns: repeat(2,minmax(0,1fr)); }.user-device { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; padding: 14px 0; }.user-device > .compact-button { grid-column: 2; grid-row: 1; }.device-sparkline { grid-column: 1 / -1; grid-row: 2; height: 42px; }.device-sparkline svg { height: 42px; } }
.auth-code-line { margin: 8px 0 14px; text-align: center; color: var(--ink); font-size: 30px; letter-spacing: 4px; }
.auth-sms-hint { display: grid; gap: 7px; margin: 2px 0 8px; color: var(--muted); text-align: center; font-size: 14px; line-height: 1.45; }
.auth-sms-hint strong { color: var(--ink); font-size: 20px; font-weight: 750; letter-spacing: 0; }
.auth-sms-hint small { color: var(--muted); font-size: 12px; }
#debug-sms-form > .ios-login-button { margin-top: 18px; }
#debug-sms-form > .form-note { min-height: 20px; margin: 14px 0 0; text-align: center; }
.admin-gated-page:not(.is-authorized) { visibility: hidden; }
.ios-login-card:has(#auth-form) { position: relative; padding-top: 62px; }
#auth-form { display: flex; flex-direction: column; }
#auth-form > .form-note { order: 1; min-height: 20px; margin: 14px 0 0; text-align: center; }
#auth-form > .form-note:empty { display: none; }
#auth-form > .ios-login-button { order: 2; flex: 0 0 56px; margin-top: 18px; }
#auth-form > .ios-account-actions { position: absolute; top: 24px; left: 32px; height: 24px; margin: 0; z-index: 1; }
@media (max-width: 430px) {
  .ios-login-card:has(#auth-form) { padding-top: 54px; }
  #auth-form > .ios-account-actions { left: 24px; top: 20px; }
}
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@keyframes ios-login-enter { from { opacity: 0; } to { opacity: 1; } }
@keyframes ios-login-spin { to { transform: rotate(360deg); } }
@media (max-height: 740px) {
  .ios-login-screen { justify-content: flex-start; gap: 24px; }
  .ios-login-logo { width: 96px; height: 96px; margin-bottom: 14px; }
}
@media (max-width: 430px) {
  .ios-login-screen { padding-right: 24px; padding-left: 24px; }
  .ios-login-card { padding: 28px 24px; }
}

.page-heading { margin-bottom: 38px; }
.page-heading h1 { margin-bottom: 10px; font-size: 38px; }
.page-heading p { margin: 0; color: var(--muted); line-height: 1.65; }

.content-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 14px 34px rgba(52, 39, 37, 0.08);
}

.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.help-item { padding: 28px; background: white; }
.help-item h2 { margin-bottom: 10px; font-size: 19px; }
.help-item p { margin-bottom: 0; color: var(--muted); line-height: 1.7; }
.help-item a { font-weight: 650; }

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.platform-card {
  min-height: 232px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.platform-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.platform-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--ink);
  background: var(--gold);
  font-size: 12px;
  font-weight: 800;
}

.platform-heading h2 { margin: 0; font-size: 21px; }
.platform-card p { margin-bottom: 22px; color: var(--muted); line-height: 1.65; }

.platform-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.platform-format { color: var(--muted); font-size: 13px; font-weight: 650; white-space: nowrap; }

.pending-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--soft);
  font-size: 13px;
  font-weight: 700;
  cursor: not-allowed;
}

.download-button {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(52, 39, 37, 0.16);
  border-radius: 8px;
  color: var(--ink);
  background: var(--gold);
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
  text-align: center;
  text-decoration: none;
}

.download-button:hover { filter: brightness(0.97); }

.download-note {
  margin-top: 22px;
  padding: 22px 24px;
  border-left: 4px solid var(--gold);
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
  line-height: 1.7;
}

.legal { line-height: 1.78; }
.legal h2 { margin: 34px 0 10px; font-size: 21px; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: rgba(52, 39, 37, 0.76); }
.legal ul { padding-left: 22px; }
.legal .effective { margin-bottom: 30px; font-size: 14px; color: var(--muted); }

.site-footer { background: white; border-top: 1px solid var(--line); }
.footer-inner {
  width: min(100% - 40px, 1040px);
  min-height: 94px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; }

[data-lang] { display: none; }
html[lang="zh-Hans"] [data-lang="zh"] { display: revert; }
html[lang="en"] [data-lang="en"] { display: revert; }

@media (max-width: 680px) {
  .admin-grid { grid-template-columns: 1fr; } .inline-form { grid-template-columns: 1fr 1fr; }
  .nav { gap: 14px; }
  .brand-wordmark { display: none; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 13px; }
  .nav-login { min-height: 38px; padding: 0 14px; font-size: 13px; }
  .hero { min-height: 600px; padding-top: 46px; }
  .hero-logo { width: 112px; height: 112px; }
  .hero-copy { font-size: 17px; }
  .features { grid-template-columns: 1fr; gap: 38px; padding: 56px 0; }
  .page-shell { padding-top: 42px; }
  .page-heading h1 { font-size: 32px; }
  .content-card { padding: 24px; }
  .help-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .platform-meta { flex-wrap: wrap; }
  .footer-inner { padding: 22px 0; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 430px) {
  .nav { width: min(100% - 20px, 1040px); gap: 9px; }
  .nav-links { gap: 9px; }
  .nav-links a { font-size: 12px; }
  .nav-login { min-height: 36px; padding: 0 11px; font-size: 12px; }
  .language-button { width: 34px; height: 34px; }
  .remove-device-dialog-content { padding: 26px 24px; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-inner { animation: enter 0.6s ease-out both; }
  @keyframes enter { from { opacity: 0; transform: translateY(12px); } }
}

/* Alipay recharge */
.payment-dialog { width: min(420px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); padding: 0; border: 1px solid var(--line); border-radius: 20px; background: var(--surface, #fff); color: var(--text, #172127); box-shadow: 0 24px 80px #0003; }
.payment-dialog::backdrop { background: #17212766; backdrop-filter: blur(4px); }
.payment-dialog-content { display: flex; flex-direction: column; align-items: center; padding: 28px; text-align: center; gap: 14px; }
.payment-dialog h2 { margin: 0; font-size: 22px; }
.payment-amount { margin: 8px 0; font-size: 30px; font-weight: 650; }
.payment-qr { width: min(288px, 100%); height: auto; border-radius: 12px; background: #fff; }
.payment-help,.payment-state { margin: 0; font-size: 14px; line-height: 1.65; color: var(--muted); }
.payment-test-badge { margin: 0; padding: 7px 12px; border-radius: 8px; font-size: 13px; color: #815610; background: #fff0c9; }
.payment-open,.payment-return { font-size: 14px; color: var(--accent, #18796b); text-underline-offset: 3px; }
.payment-close { width: 100%; margin-top: 4px; }
.payment-page { width: min(480px, calc(100% - 40px)); margin: 64px auto; }
.payment-logo { display: block; width: 180px; margin: 0 auto 32px; }
.payment-page .user-card { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 32px; }
.payment-page h1 { margin: 0; font-size: 24px; }
.payment-page .button { width: 100%; }
.payment-reference { font-size: 11px; overflow-wrap: anywhere; color: var(--muted); }
.payment-page [hidden],.payment-dialog [hidden] { display: none !important; }