:root {
  --bg: #f3f5f3;
  --surface: #ffffff;
  --ink: #17211e;
  --muted: #5f6d68;
  --line: #d8dfdb;
  --accent: #0f766e;
  --accent-soft: #e5f4f1;
  --danger: #b42318;
  --danger-soft: #fff0ed;
  --warn: #9a6700;
  --warn-soft: #fff8e6;
  --ok: #15803d;
  --ok-soft: #e9f7ee;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 26px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 24px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 8px;
  font-size: 34px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 6px;
  font-size: 18px;
  line-height: 1.3;
}

.hero-sub {
  margin-bottom: 0;
  color: var(--muted);
  max-width: 640px;
}

.hero-metrics {
  display: flex;
  gap: 10px;
}

.metric {
  min-width: 76px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.metric strong {
  display: block;
  font-size: 22px;
  line-height: 1.1;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
}

.button {
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.button:hover {
  border-color: var(--accent);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: #0b665f;
}

.button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.button svg {
  width: 17px;
  height: 17px;
}

.alert-strip {
  max-width: 1180px;
  margin: 0 auto 26px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.alert-item {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid;
  border-radius: var(--radius);
}

.alert-item svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  margin-top: 2px;
}

.alert-item h2 {
  font-size: 15px;
  margin-bottom: 2px;
}

.alert-item p {
  margin-bottom: 0;
  font-size: 14px;
}

.alert-danger {
  border-color: #f2b8b5;
  background: var(--danger-soft);
  color: #7f1d1d;
}

.alert-danger svg {
  color: var(--danger);
}

.alert-warn {
  border-color: #eccf86;
  background: var(--warn-soft);
  color: #6b4a00;
}

.alert-warn svg {
  color: var(--warn);
}

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(330px, 1fr);
  gap: 22px;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.section-head > div {
  min-width: 0;
}

.section-head.compact {
  margin-bottom: 14px;
}

.section-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.section-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.filter-field {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.filter-select {
  min-height: 34px;
  max-width: 150px;
  padding: 4px 28px 4px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.filter-select:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.checkline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.checkline input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.legend {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot.available {
  background: var(--ok);
}

.dot.checking,
.dot.pending {
  background: var(--warn);
}

.dot.unavailable {
  background: var(--danger);
}

.account-list {
  display: grid;
  gap: 14px;
}

.account-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  gap: 12px;
}

.account-card.is-available {
  border-color: #bcdcc8;
  background: #fbfefb;
}

.account-card.is-unavailable {
  border-color: #efc6c2;
  background: #fffbfb;
}

.account-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status-badge.available {
  background: var(--ok-soft);
  color: var(--ok);
}

.status-badge.checking,
.status-badge.pending {
  background: var(--warn-soft);
  color: var(--warn);
}

.status-badge.unavailable,
.status-badge.unknown {
  background: var(--danger-soft);
  color: var(--danger);
}

.country,
.channel-tag,
.updated {
  color: var(--muted);
  font-size: 12px;
}

.channel-tag {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.updated {
  margin-left: auto;
}

.cred {
  display: grid;
  gap: 8px;
}

.cred-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
}

.cred-row label {
  color: var(--muted);
  font-size: 13px;
}

.cred-row code {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  user-select: all;
}

.account-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.account-actions .button {
  min-height: 34px;
  padding: 0 12px;
  font-size: 13px;
}

.account-message {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.empty-state {
  padding: 44px 16px;
  color: var(--muted);
  text-align: center;
}

.empty-state svg {
  width: 34px;
  height: 34px;
}

.empty-state p {
  margin: 8px 0 0;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.pagination[hidden] {
  display: none;
}

.pagination-button {
  min-width: 36px;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  white-space: nowrap;
}

.pagination-button:hover:not(:disabled):not(.is-current) {
  border-color: var(--accent);
  color: var(--accent);
}

.pagination-button.is-current {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  cursor: default;
}

.pagination-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-button svg {
  width: 15px;
  height: 15px;
}

.pagination-summary {
  color: var(--muted);
  font-size: 13px;
  padding: 0 6px;
  white-space: nowrap;
}

.pagination-gap {
  color: var(--muted);
  padding: 0 2px;
}

.side {
  display: grid;
  gap: 18px;
}

.channel-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.channel-pill {
  min-height: 28px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  white-space: nowrap;
}

.channel-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.channel-pill.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.channel-pill .dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
}

.guide-panel {
  overflow: hidden;
}

.guide-steps {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 10px;
}

.guide-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  min-width: 0;
}

.guide-steps li::before {
  content: counter(step);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.guide-steps strong {
  display: block;
  font-size: 14px;
}

.guide-steps span {
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.guide-steps strong,
.guide-steps span {
  grid-column: 2;
  min-width: 0;
}

.guide-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

figure {
  margin: 0 0 16px;
}

figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: block;
}

figcaption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.guide-source {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.guide-source a {
  color: var(--accent);
  text-decoration: none;
}

.guide-source a:hover {
  text-decoration: underline;
}

.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px 28px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr auto;
  }

  .hero-copy {
    grid-column: 1 / -1;
  }

  .alert-strip,
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .hero {
    padding: 26px 16px 20px;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .metric {
    min-width: 0;
    padding: 9px 6px;
  }

  .alert-strip,
  .layout {
    padding-right: 16px;
    padding-left: 16px;
  }

  .section-head {
    display: grid;
  }

  .section-controls {
    gap: 10px;
  }

  .filter-select {
    max-width: 118px;
  }

  .cred-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .guide-figures {
    grid-template-columns: 1fr;
  }

  .updated {
    margin-left: 0;
    width: 100%;
  }
}