/* Personal settings reuse the site's colors, typography and QQ login dialog. */
.settings-page { padding-top: 36px; padding-bottom: 64px; letter-spacing: 0; }
.settings-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.settings-eyebrow { margin: 0 0 6px; color: var(--muted); font-size: 10px; font-weight: 700; }
.settings-heading h1 { margin: 0; font-size: 30px; line-height: 1.3; letter-spacing: 0; }
.settings-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; align-items: start; }
.settings-sidebar { position: sticky; top: 106px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.settings-identity { text-align: center; }
.settings-avatar { position: relative; display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 16px; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; color: #7080b0; background: linear-gradient(140deg, #e6eefb, #eee7fa); font-size: 26px; font-weight: 650; }
.settings-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.settings-avatar img[hidden], .settings-avatar span[hidden] { display: none; }
.settings-identity strong { display: block; overflow-wrap: anywhere; font-size: 17px; }
.settings-identity p { margin: 6px 0 22px; color: var(--muted); font-size: 12px; }
.settings-sections { display: grid; gap: 4px; padding: 12px 0; border-top: 1px solid var(--line); }
.settings-sections a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 10px; border-radius: 9px; font-size: 13px; transition: background .2s; }
.settings-sections a:hover, .settings-sections a:focus-visible { background: var(--ui-soft); }
.settings-sidebar > .settings-button { width: 100%; margin-top: 8px; }
.settings-content { display: grid; gap: 20px; min-width: 0; }
.settings-card { padding: 30px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); scroll-margin-top: 110px; }
.settings-card-heading { margin-bottom: 22px; }
.settings-card h2 { font-size: 20px; line-height: 1.4; letter-spacing: 0; }
.settings-card fieldset { min-width: 0; padding: 0; margin: 0; border: 0; }
.settings-card label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 600; }
.settings-card input, .settings-card select { width: 100%; min-height: 44px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--paper); font-family: inherit; font-size: var(--ui-field-font-size, 14px); }
.settings-card input:focus, .settings-card select:focus { outline: 2px solid var(--ui-accent); outline-offset: 2px; }
.settings-card input:disabled, .settings-card select:disabled { opacity: .6; }
.settings-hint { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.settings-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 22px 0; }
.settings-facts span, .settings-facts strong { display: block; overflow-wrap: anywhere; }
.settings-facts span { margin-bottom: 5px; color: var(--muted); font-size: 12px; }
.settings-facts strong { font-size: 13px; font-weight: 600; }
.settings-session-list { display: grid; gap: 0; margin: 0 0 18px; padding: 0; list-style: none; }
.settings-session { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.settings-session > div { min-width: 0; }
.settings-session strong { font-size: 13px; overflow-wrap: anywhere; }
.settings-session p { margin: 5px 0 0; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.settings-session-current { margin-left: 8px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.settings-session .settings-button { flex-shrink: 0; min-height: 36px; padding: 7px 12px; font-size: 12px; }
.settings-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.settings-button { min-height: 42px; padding: 10px 16px; border: 1px solid var(--ui-primary-border); border-radius: 7px; color: var(--ui-primary-text); background: var(--ui-primary-bg); font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .2s, color .2s, border-color .2s, opacity .2s, transform .2s; }
.settings-button:hover:not(:disabled) { transform: translateY(-1px); }
.settings-button:not(.secondary):not(.danger):is(:hover, :focus-visible):not(:disabled) { color: var(--ui-primary-hover-text); background: var(--ui-primary-hover-bg); border-color: var(--ui-primary-hover-border); }
.settings-button.secondary { border-color: var(--line); color: var(--ink); background: var(--paper); }
.settings-button.danger { border-color: var(--line); color: var(--ink); background: var(--white); }
.settings-button:disabled { opacity: .5; cursor: default; }
.settings-button:focus-visible, .settings-sections a:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: 3px; }
.settings-feedback { margin: 0; overflow-wrap: anywhere; color: var(--ui-accent-strong); font-size: 12px; }
.settings-feedback.is-error { color: #c06878; }
#settings-security-status:not(:empty) { margin-top: 12px; line-height: 1.7; }
.settings-sidebar .settings-feedback { margin-top: 12px; }
.settings-preference-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.settings-preference-row label, .settings-preference-row .settings-hint { margin: 0; }
.settings-preference-row select { width: 180px; }
.settings-subsection { padding-top: 24px; margin-top: 24px; border-top: 1px solid var(--line); }
.settings-subheading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.settings-subheading h3 { margin: 0; font-size: 15px; }
.settings-subheading .text-link { font-size: 12px; }
.settings-field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 820px) {
  .settings-layout { grid-template-columns: 1fr; gap: 20px; }
  .settings-sidebar { position: static; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 14px 20px; padding: 20px; }
  .settings-identity { position: relative; min-height: 56px; padding-left: 70px; text-align: left; }
  .settings-avatar { position: absolute; left: 0; top: 0; width: 54px; height: 54px; margin: 0; border-radius: 12px; }
  .settings-identity p { margin-bottom: 0; }
  .settings-sections { grid-column: 1 / -1; grid-row: 2; display: flex; justify-content: space-between; padding-bottom: 0; }
  .settings-sections a { padding: 8px 0; }
  .settings-sidebar > .settings-button { margin: 0; }
  .settings-sidebar .settings-feedback { grid-column: 1 / -1; margin: 0; }
}
@media (max-width: 700px) {
  .settings-page { padding-top: 24px; }
  .settings-heading { margin-bottom: 22px; }
  .settings-heading h1 { font-size: 26px; }
}
@media (max-width: 460px) {
  .settings-card input, .settings-card select { font-size: 16px; }
  .settings-page { padding-bottom: 45px; }
  .settings-heading { align-items: start; gap: 12px; }
  .settings-heading > .text-link { white-space: nowrap; padding-top: 4px; font-size: 12px; }
  .settings-card { padding: 22px 18px; scroll-margin-top: 135px; }
  .settings-card h2 { font-size: 20px; }
  .settings-field-grid, .settings-facts { grid-template-columns: 1fr; gap: 16px; }
  .settings-preference-row { gap: 12px; }
  .settings-preference-row select { width: 145px; }
  .settings-identity strong { font-size: 15px; }
  .settings-sidebar { gap: 14px 10px; padding: 18px; }
  .settings-sidebar > .settings-button { padding: 10px; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) { .settings-button, .settings-sections a { transition: none; } }