/* Site-specific phone reading layer. Desktop layout and saved reader preferences stay authoritative. */
.mobile-masthead,
.mobile-drawer-close,
.mobile-reader-prefs { display: none; }

@media (max-width: 860px) {
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  #app { height: 100dvh; }
  #entry-pane { min-height: 0; }
  .mobile-masthead {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 16px 0;
  }
  .mobile-site-name {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    min-height: 44px;
    border: 0;
    background: transparent;
    color: var(--text-0);
    font: 650 18px/1.4 var(--font-ui);
  }
  .mobile-site-name img { flex: none; object-fit: contain; }
  .mobile-site-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  #mobile-sources-open { flex: none; width: 44px; height: 44px; }
  #entry-pane > .pane-header { min-height: 60px; padding: 8px 16px; }
  #entry-pane > .pane-header > .pane-title { display: none; }
  #entry-pane #search { height: 44px; min-height: 44px; border-radius: 12px; }
  #mark-read-btn.mark-read-labeled { width: 44px; height: 44px; padding: 0; justify-content: center; }
  #mark-read-btn.mark-read-labeled .button-label { display: none; }
  #entry-pane .list-scope-bar { margin: 0 16px 8px; padding: 3px; gap: 4px; }
  #entry-pane .list-scope-btn { min-height: 44px; font-size: 15px; }
  #entry-pane .list-context-row { padding: 2px 20px 10px; flex-wrap: wrap; gap: 6px; }
  #entry-pane .list-scope-count { font-size: 13px; }
  #entry-pane .entry-list { padding-left: 8px; padding-right: 8px; overscroll-behavior-y: contain; }
  #entry-pane .entry-card {
    padding: 16px 12px 18px 8px;
    gap: 10px;
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 8px;
  }
  #entry-pane .entry-main { min-width: 0; gap: 7px; }
  #entry-pane .entry-title { font-size: 17px; line-height: 1.55; letter-spacing: 0; overflow-wrap: anywhere; }
  #entry-pane .entry-original { font-size: 13px; line-height: 1.6; }
  #entry-pane .entry-summary { font-size: 14px; line-height: 1.65; color: var(--text-1); }
  #entry-pane .entry-kicker { font-size: 12px; }
  #entry-pane .entry-time { font-size: 12px; }
  #entry-pane .entry-media { width: clamp(64px, 20vw, 112px); flex: none; }
  #entry-pane .entry-media .entry-thumb { width: 100%; }
  #entry-pane .entry-card.read .entry-title { color: var(--text-1); }

  /* Auto-size the remaining tabs: this installation hides 收藏 in single-user mode. */
  .mobile-tabbar { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); }
  .mobile-tabbar button { min-height: 48px; font-size: 12px; }
  .mobile-tabbar button.active { background: var(--qm-accent-soft); }

  #app #sidebar { overscroll-behavior: contain; }
  #app #sidebar .mobile-drawer-close {
    display: flex;
    align-self: flex-end;
    flex: none;
    width: 44px;
    height: 44px;
    margin: 8px 10px 0 0;
  }
  body #app #sidebar .brand { padding-top: 0; }
  body #app #sidebar .brand-name { font-size: 17px; }
  body #app #sidebar #theme-toggle { width: 44px; height: 44px; }

  /* Keep touch navigation available even when immersive reading is enabled. */
  #app.reading ~ .mobile-reader-bar {
    display: flex;
    position: fixed;
    inset: 0 0 auto;
    z-index: 45;
    align-items: center;
    gap: 4px;
    height: calc(var(--qm-bar-h) + var(--qm-safe-top));
    padding: var(--qm-safe-top) max(8px, var(--qm-safe-right)) 0 max(8px, var(--qm-safe-left));
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-0);
  }
  #app.reading #reader-pane {
    padding-top: calc(var(--qm-bar-h) + var(--qm-safe-top));
    padding-bottom: var(--qm-safe-bottom);
    scroll-padding-top: calc(var(--qm-bar-h) + var(--qm-safe-top) + 12px);
    overscroll-behavior-y: contain;
    scrollbar-gutter: auto;
  }
  #app.reading .reader {
    width: 100%;
    max-width: 740px;
    margin-inline: auto;
    padding: 24px max(20px, var(--qm-safe-right)) 72px max(20px, var(--qm-safe-left));
  }
  .mobile-reader-prefs {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--text-0);
    font: 600 18px/1 var(--font-ui);
  }
  .mobile-reader-prefs[aria-expanded="true"] { background: var(--qm-accent-soft); }
  .mobile-ai-open { min-width: 44px; padding-inline: 10px; }
  #app #reader #reader-title { font-size: clamp(24px, 5.6vw, 30px); line-height: 1.4; overflow-wrap: anywhere; }
  #app #reader .reader-toolbar-main { margin-left: 0; }
  #app #reader .reader-toolbar-icon,
  #app #reader .reader-more-menu button,
  #app #reader .reader-tab,
  #app #reader .reader-rewrite-action { min-width: 44px; min-height: 44px; }
  #app #reader-preferences { position: static; width: 100%; max-width: 100%; margin-top: 12px; padding: 14px; }
  #app #reader-preferences .pref-seg button,
  #app #reader-preferences .reader-pref-reset { min-height: 44px; }
  #app #reader-preferences .pref-row { grid-template-columns: minmax(0, 1fr); }
  #app #reader :is(.reader-content, .rewrite-content) { overflow-wrap: anywhere; word-break: normal; }
  #app #reader :is(.reader-content, .rewrite-content) p { text-align: start; }
  #app #reader :is(.reader-content, .rewrite-content) :is(pre, table) {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }
  #app #reader :is(.reader-content, .rewrite-content) pre { white-space: pre; overflow-wrap: normal; }
  #app #reader :is(.reader-content, .rewrite-content) :is(img, video, iframe, figure) { max-width: 100%; }
  #app #reader :is(.reader-content, .rewrite-content) :is(img, video) { height: auto; }
  #app.reading #agent-pane { max-height: calc(100dvh - var(--qm-safe-top) - 12px); }
  #app.reading #agent-pane .agent-prompts { max-height: 20dvh; overflow-y: auto; }
  #app.reading #agent-pane .agent-prompt { min-height: 40px; font-size: 14px; }
  #app.reading #agent-pane #agent-send { width: 44px; height: 44px; }
  .modal :is(input, textarea, select) { font-size: 16px; }
}


@media (max-width: 860px) {
  /* Rewrite / translation reading: denser chrome, fewer competing controls. */
  #app.reading #reader .reader-toolbar {
    gap: 6px;
    padding-block: 8px;
    flex-wrap: wrap;
  }
  #app.reading #reader .reader-toolbar-main {
    width: 100%;
    justify-content: flex-start;
    gap: 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }
  #app.reading #reader .reader-toolbar-main::-webkit-scrollbar { display: none; }
  #app.reading #reader .reader-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    margin-top: 4px;
  }
  #app.reading #reader .reader-tab {
    width: 100%;
    justify-content: center;
    padding-inline: 8px;
    font-size: 14px;
  }
  #app.reading #reader #reader-rewrite-panel .asset-section-head,
  #app.reading #reader #reader-translation-panel .asset-section-head {
    gap: 8px;
    align-items: center;
  }
  #app.reading #reader #rewrite-content,
  #app.reading #reader #translation-content {
    font-size: 17px;
    line-height: 1.75;
  }
  #app.reading #reader #rewrite-content p,
  #app.reading #reader #translation-content p {
    margin-block: 0.85em;
  }
  #app.reading #reader .reader-meta,
  #app.reading #reader .asset-meta-line {
    font-size: 13px;
    line-height: 1.5;
  }
  #app.reading #reader .reader-rail,
  #app.reading #reader #reader-star,
  #app.reading #reader #comment-login {
    display: none !important;
  }
  /* Hide verbose desktop labels in the phone reader toolbar. */
  #app.reading #reader .reader-toolbar-icon .button-label,
  #app.reading #reader #reader-prefs-toggle .button-label {
    display: none;
  }
  #app.reading ~ .mobile-reader-bar .mobile-reader-title {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font: 600 14px/1.3 var(--font-ui);
    color: var(--text-1);
    text-align: center;
  }
  /* List cards: less chrome, more title. */
  #entry-pane .entry-card .entry-actions,
  #entry-pane .entry-card .entry-score {
    display: none;
  }
  #entry-pane .pane-header .pane-actions { gap: 6px; }
}

@media (max-width: 430px) {
  #app.reading .reader {
    padding-top: 18px;
    padding-bottom: calc(56px + var(--qm-safe-bottom));
  }
  #app.reading #reader #reader-title {
    font-size: clamp(22px, 6.2vw, 28px);
  }
  .mobile-tabbar button span[data-qm-icon] { width: 20px; height: 20px; }
}

@media (max-width: 360px) {
  .mobile-ai-open > span:last-child { display: none; }
  #app.reading .reader { padding-inline: max(16px, var(--qm-safe-left)) max(16px, var(--qm-safe-right)); }
}