:root {
  color-scheme: light dark;
  --wxch-bg: #f5f6f8;
  --wxch-panel: #ffffff;
  --wxch-border: #e4e6eb;
  --wxch-text: #1f2329;
  --wxch-muted: #646a73;
  --wxch-danger: #dc2626;
  --wxch-primary: #2563eb;
  --wxch-primary-active: #1d4ed8;
  --wxch-radius-card: 12px;
  --wxch-radius-content: 8px;
  --wxch-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --wxch-bg: #17181c;
    --wxch-panel: #1f2024;
    --wxch-border: #303136;
    --wxch-text: #e8e9ec;
    --wxch-muted: #9aa0a6;
    --wxch-primary: #3b82f6;
    --wxch-primary-active: #2563eb;
    --wxch-shadow: none;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--wxch-bg);
  color: var(--wxch-text);
  font-family:
    system-ui,
    -apple-system,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  line-height: 1.6;
}

.wxchannels-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.wxchannels-panel {
  padding: 24px;
  border: 1px solid var(--wxch-border);
  border-radius: var(--wxch-radius-card);
  background: var(--wxch-panel);
  box-shadow: var(--wxch-shadow);
}

.wxchannels-heading {
  margin-bottom: 20px;
}

.wxchannels-title {
  margin: 0;
  font-size: 22px;
}

.wxchannels-description {
  margin-top: 4px;
  color: var(--wxch-muted);
  font-size: 14px;
  word-break: break-all;
}

.wxchannels-form {
  display: grid;
  gap: 16px;
}

.wxchannels-field {
  display: grid;
  gap: 6px;
}

.wxchannels-label {
  color: var(--wxch-muted);
  font-size: 14px;
  font-weight: 600;
}

.wxchannels-input {
  padding: 8px 12px;
  border: 1px solid var(--wxch-border);
  border-radius: var(--wxch-radius-content);
  background: var(--wxch-panel);
  color: var(--wxch-text);
  font: inherit;
  outline: none;
}

.wxchannels-input:focus {
  border-color: var(--wxch-primary);
}

.wxchannels-submit {
  justify-self: start;
  padding: 8px 22px;
  border: none;
  border-radius: var(--wxch-radius-content);
  background: var(--wxch-primary);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.wxchannels-submit:hover:not(:disabled) {
  background: var(--wxch-primary-active);
}

.wxchannels-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.wxchannels-status,
.wxchannels-error {
  margin: 16px 0 0;
  font-size: 14px;
}

.wxchannels-status {
  color: var(--wxch-muted);
}

.wxchannels-error {
  color: var(--wxch-danger);
  word-break: break-all;
}

.wxchannels-player {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--wxch-border);
  border-radius: var(--wxch-radius-card);
  background: var(--wxch-panel);
}

.wxchannels-video {
  display: block;
  width: 100%;
  max-height: 72vh;
  background: #000;
  border-radius: var(--wxch-radius-content);
}