:root {
  --wechat-bind-surface: #19150f;
  --wechat-bind-raised: #231e16;
  --wechat-bind-line: rgba(255, 244, 219, 0.14);
  --wechat-bind-gold: #e3a93c;
  --wechat-bind-gold-soft: #c9a45c;
  --wechat-bind-text: rgba(255, 250, 240, 0.92);
  --wechat-bind-muted: rgba(255, 250, 240, 0.60);
  --wechat-bind-faint: rgba(255, 250, 240, 0.38);
  --wechat-bind-danger: #ef9a8f;
  --wechat-bind-radius: 22px;
  --wechat-bind-control-height: 46px;
  --wechat-bind-qr-size: 248px;
  --wechat-bind-ease: cubic-bezier(0.23, 1, 0.32, 1);
}

.wechat-bind-trigger {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-radius: 9px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 600;
  transition: background-color 120ms var(--wechat-bind-ease), border-color 120ms var(--wechat-bind-ease);
}

.wechat-bind-trigger:hover { background: var(--bg-tertiary); }
.wechat-bind-trigger[data-bound="true"] { color: var(--text-secondary); }

.account-settings-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: none;
  padding: 0 6px;
  border-radius: 7px;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 600;
  transition: background-color 120ms var(--wechat-bind-ease);
}

.user-status .account-settings-trigger {
  max-width: none;
  overflow: visible;
  text-overflow: clip;
}

.account-settings-trigger:hover { background: var(--bg-tertiary); }
.account-settings-trigger::after {
  margin-left: 5px;
  color: var(--text-secondary);
  content: "· 账户中心";
  font-size: 12px;
  font-weight: 500;
}

.wechat-bind-overlay {
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(10, 9, 8, 0.82);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms var(--wechat-bind-ease), visibility 200ms var(--wechat-bind-ease);
}

.wechat-bind-overlay.is-open { opacity: 1; visibility: visible; }

.wechat-bind-modal {
  position: relative;
  width: min(100%, 390px);
  padding: 28px;
  border: 1px solid var(--wechat-bind-line);
  border-radius: var(--wechat-bind-radius);
  background: linear-gradient(145deg, var(--wechat-bind-raised), var(--wechat-bind-surface));
  color: var(--wechat-bind-text);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.04);
  transform: translateY(12px);
  transition: transform 320ms var(--wechat-bind-ease);
}

.wechat-bind-overlay.is-open .wechat-bind-modal { transform: translateY(0); }

.wechat-bind-close {
  position: absolute;
  top: 13px;
  right: 13px;
  display: grid;
  width: 44px;
  min-height: 44px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--wechat-bind-muted);
  cursor: pointer;
  font-size: 22px;
}

.wechat-bind-title {
  margin: 4px 44px 22px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
}

.wechat-bind-qr {
  display: grid;
  width: var(--wechat-bind-qr-size);
  min-height: var(--wechat-bind-qr-size);
  margin: 0 auto;
  place-items: center;
  overflow: hidden;
  border: 10px solid #fff;
  border-radius: 16px;
  background: #fff;
}

.wechat-bind-qr:empty::after {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(23, 17, 9, 0.14);
  border-top-color: #171109;
  border-radius: 50%;
  animation: wechat-bind-spin 900ms linear infinite;
  content: "";
}

.wechat-bind-qr img { display: block; width: 100%; height: auto; }

.wechat-bind-status {
  min-height: 25px;
  margin: 18px 0 0;
  color: var(--wechat-bind-muted);
  text-align: center;
}

.wechat-bind-status.is-error,
.account-settings-status.is-error { color: var(--wechat-bind-danger); }

.wechat-bind-bound-view { text-align: center; }
.is-hidden { display: none; }

.wechat-bind-bound-mark {
  display: grid;
  width: 58px;
  height: 58px;
  margin: 12px auto 18px;
  place-items: center;
  border: 1px solid rgba(227, 169, 60, 0.35);
  border-radius: 50%;
  color: var(--wechat-bind-gold-soft);
  font-size: 24px;
}

.wechat-bind-bound-name {
  margin: -10px 0 22px;
  color: var(--wechat-bind-muted);
}

.wechat-bind-button {
  min-height: var(--wechat-bind-control-height);
  padding: 0 17px;
  border: 1px solid var(--wechat-bind-line);
  border-radius: 13px;
  background: transparent;
  color: var(--wechat-bind-text);
  cursor: pointer;
  font-weight: 600;
}

.wechat-bind-button-primary {
  border-color: transparent;
  background: var(--wechat-bind-gold-soft);
  color: #171109;
}

.wechat-bind-button-danger { color: var(--wechat-bind-danger); }
.wechat-bind-button:disabled { opacity: 0.45; cursor: not-allowed; }

.wechat-bind-button:focus-visible,
.wechat-bind-close:focus-visible,
.wechat-bind-trigger:focus-visible,
.account-settings-trigger:focus-visible,
.account-settings-input:focus-visible {
  outline: 2px solid var(--wechat-bind-gold);
  outline-offset: 3px;
}

.account-settings-modal { text-align: left; }

.account-settings-name {
  margin: -12px 0 20px;
  color: var(--wechat-bind-muted);
  text-align: center;
}

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

.account-settings-field {
  display: grid;
  gap: 7px;
  color: var(--wechat-bind-muted);
  font-size: 13px;
}

.account-settings-input {
  width: 100%;
  min-height: var(--wechat-bind-control-height);
  padding: 0 13px;
  border: 1px solid var(--wechat-bind-line);
  border-radius: 12px;
  background: rgba(10, 9, 8, 0.36);
  color: var(--wechat-bind-text);
  font: inherit;
}

.account-settings-status { min-height: 24px; margin: 0; color: var(--wechat-bind-muted); }

@keyframes wechat-bind-spin { to { transform: rotate(360deg); } }

@media (max-width: 390px) {
  :root { --wechat-bind-qr-size: 226px; }
  .wechat-bind-modal { padding: 24px 20px; }
  .user-status .account-settings-trigger {
    display: inline-flex;
    min-width: 44px;
    max-width: none;
    padding: 0 8px;
    font-size: 0;
  }
  .account-settings-trigger::after { margin-left: 0; content: "账号"; font-size: 12px; }
  .wechat-bind-trigger { padding: 0 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .wechat-bind-overlay,
  .wechat-bind-modal { transition: none; }
  .wechat-bind-qr:empty::after { animation: none; }
}