/* ── Semantic theme tokens (approved design: quiet private reading room) ──
   Persisted theme keys stay exactly "paper" / "mist" / "night"; Reading Green
   is only the visible name and palette for existing `mist` data. Components
   should reach for the --od-* semantics; the short aliases below keep every
   pre-redesign selector rendering. */
:root{
  --od-outer-bg:#D8D0C2; --od-panel-bg:#E8E0D1; --od-paper-bg:#F4EEDF;
  --od-ink:#302B25; --od-muted:#6F665B; --od-line:#C9BDAA;
  --od-accent:#83563E; --od-user-marker:#A2503F; --od-thinking:#E8DECC;
  --od-focus:#6E402D;
  --od-shadow-paper:0 18px 48px rgba(52,42,31,.14), 0 2px 8px rgba(52,42,31,.08);
  --od-shadow-float:0 12px 36px rgba(52,42,31,.20);
  --od-paper-tile:url("assets/reader/textures/paper-day-texture-tile.webp");
  --od-paper-large:url("assets/reader/textures/paper-day-texture.webp");
  --od-ink-grain:url("assets/reader/textures/ink-grain-overlay.png");
  --od-grain-opacity:.022; --od-grain-blend:multiply;

  /* Compatibility aliases: old selectors keep working on the new palette. */
  --bg:var(--od-outer-bg); --panel:var(--od-panel-bg); --paper:var(--od-paper-bg);
  --ink:var(--od-ink); --muted:var(--od-muted); --line:var(--od-line);
  --accent:var(--od-accent); --user:var(--od-thinking); --thinking:var(--od-thinking);
  --cw:800px;
  --reader-font-size:18px; --reader-line-height:1.95; --reader-font-family:ui-serif,"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --reader-letter-spacing:0; --reader-heading-size:27px; --reader-heading-line-height:1.4;

  /* UI / code faces are a separate system from editorial reading text. */
  --font-ui:Inter, ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-code:ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* Spacing (8 px structural baseline; 4 px is micro-spacing only). */
  --space-0:0; --space-0-5:4px; --space-1:8px; --space-1-5:12px; --space-2:16px;
  --space-2-5:20px; --space-3:24px; --space-4:32px; --space-5:40px; --space-6:48px;
  --space-8:64px; --space-9:72px; --space-10:80px; --space-12:96px;

  /* Radius: the reading paper stays 2 px; rows and paragraphs are not cards. */
  --radius-none:0; --radius-xs:4px; --radius-sm:8px; --radius-md:12px;
  --radius-lg:16px; --radius-paper:2px; --radius-pill:999px;

  --line-hairline:1px; --line-active:2px;
  --shadow-paper:var(--od-shadow-paper);
  --shadow-popover:var(--od-shadow-float);
  --shadow-drawer:16px 0 48px rgba(0,0,0,.24);
  --shadow-sheet:0 -16px 44px rgba(0,0,0,.22);

  /* Motion: hover 120 ms · toolbar 160 ms · drawer/sheet 220 ms. */
  --motion-hover:120ms; --motion-toolbar:160ms; --motion-drawer:220ms;
  --motion-ease:cubic-bezier(.2,.8,.2,1);
}
:root[data-theme="night"]{
  --od-outer-bg:#100E0C; --od-panel-bg:#171411; --od-paper-bg:#1C1916;
  --od-ink:#E7DED0; --od-muted:#A79B8B; --od-line:#3D352D;
  --od-accent:#C69258; --od-user-marker:#D18A72; --od-thinking:#28231D;
  --od-focus:#E0A86B;
  --od-shadow-paper:0 22px 56px rgba(0,0,0,.48), 0 2px 10px rgba(0,0,0,.30);
  --od-shadow-float:0 16px 44px rgba(0,0,0,.58);
  --od-paper-tile:url("assets/reader/textures/paper-night-texture-tile.webp");
  --od-paper-large:url("assets/reader/textures/paper-night-texture.webp");
  --od-grain-opacity:.024; --od-grain-blend:soft-light;
}
:root[data-theme="mist"]{
  --od-outer-bg:#CAD1C3; --od-panel-bg:#DCE1D4; --od-paper-bg:#E8EBDD;
  --od-ink:#2D352D; --od-muted:#5E685C; --od-line:#B8C1B1;
  --od-accent:#596742; --od-user-marker:#92584B; --od-thinking:#D8DFCF;
  --od-focus:#465534;
  --od-shadow-paper:0 18px 48px rgba(35,49,36,.14), 0 2px 8px rgba(35,49,36,.07);
  --od-shadow-float:0 12px 36px rgba(35,49,36,.20);
  --od-paper-tile:url("assets/reader/textures/paper-eye-texture-tile.webp");
  --od-paper-large:url("assets/reader/textures/paper-eye-texture.webp");
  --od-grain-opacity:.018; --od-grain-blend:multiply;
}
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{display:flex;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--reader-font-family)}
button,input,select{font:inherit}
#sidebar{--od-sidebar-w:312px;width:var(--od-sidebar-w);flex:none;height:100%;display:flex;flex-direction:column;overflow-y:auto;background:var(--panel);border-right:1px solid var(--line);transition:margin-left var(--motion-drawer) var(--motion-ease)}
#sidebar.closed{margin-left:calc(-1 * var(--od-sidebar-w))}

/* ── Sidebar logo zone (76px) and primary navigation ── */
.od-logo{flex:none;height:76px;box-sizing:border-box;padding:18px 20px 0}
.od-wordmark{font:600 18px/24px var(--font-ui);letter-spacing:.02em;color:var(--ink)}
.od-wordmark-sub{font:500 10px/14px var(--font-ui);letter-spacing:.22em;color:var(--muted);margin-top:2px}
.od-primary-nav{flex:none;padding:8px 12px 12px;display:flex;flex-direction:column;border-bottom:1px solid var(--line)}
.od-primary-nav button{display:flex;align-items:center;gap:10px;height:40px;padding:0 8px 0 10px;border:0;border-left:2px solid transparent;background:transparent;color:var(--muted);font:500 13px/1 var(--font-ui);cursor:pointer;text-align:left}
.od-primary-nav button:hover{color:var(--ink)}
.od-primary-nav button[aria-pressed="true"]{border-left-color:var(--accent);background:var(--thinking);color:var(--ink);font-weight:600}
.od-nav-icon{flex:none;width:18px;height:18px;background:currentColor;-webkit-mask:var(--od-nav-mask) center/contain no-repeat;mask:var(--od-nav-mask) center/contain no-repeat}
.od-icon-directory{--od-nav-mask:url("assets/reader/icons/directory.svg")}
.od-icon-bookmark{--od-nav-mask:url("assets/reader/icons/bookmark.svg")}
.od-icon-search{--od-nav-mask:url("assets/reader/icons/search.svg")}
.od-mode-pane{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}
.od-status{flex:none;padding:6px 16px 10px;border-top:1px solid var(--line);margin-top:0}

/* ── Library-pane rows and in-place menus ── */
.od-source-row{flex:none;display:flex;align-items:center;justify-content:space-between;height:32px;padding:0 16px;margin-top:4px}
.od-source-row-label{font:600 11px/1 var(--font-ui);letter-spacing:.08em;color:var(--muted)}
#sourceAddToggle{width:32px;height:32px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;color:var(--muted);font:16px/1 var(--font-ui);cursor:pointer}
#sourceAddToggle:hover,#sourceAddToggle[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}
.od-menu{flex:none;margin:4px 12px 8px;padding:10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper)}
.od-menu-title{display:flex;align-items:center;justify-content:space-between;font:600 11px/1.3 var(--font-ui);color:var(--muted);letter-spacing:.05em;margin-bottom:8px}
.od-menu-title button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;padding:2px 6px}
.od-menu-title button:hover{color:var(--ink)}
.od-menu-secondary{display:block;width:100%;margin-top:10px;padding:7px;border:1px dashed var(--line);border-radius:var(--radius-xs);background:transparent;color:var(--muted);font:11px/1.3 var(--font-ui);cursor:pointer}
.od-menu-secondary:hover{border-color:var(--accent);color:var(--ink)}
.od-danger-quiet{border:1px solid var(--line);border-radius:var(--radius-xs);background:transparent;color:var(--muted);cursor:pointer;font:10px/1.3 var(--font-ui);padding:6px 8px}
.od-danger-quiet:hover:not(:disabled){color:#b33224;border-color:#b33224}
.od-danger-quiet:disabled{opacity:.45;cursor:default}
#clearSources{display:block;width:100%;margin-top:8px}
.source-manage-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 2px;border-bottom:1px solid var(--line);font:11px/1.4 var(--font-ui)}
.source-manage-row:last-child{border-bottom:0}
.source-manage-copy{min-width:0}
.source-manage-label{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.source-manage-copy small{color:var(--muted);font-size:9px}
.source-manage-actions{flex:none;display:inline-flex;gap:4px}
.source-manage-actions button{border:1px solid var(--line);border-radius:var(--radius-xs);background:transparent;color:var(--muted);padding:4px 7px;cursor:pointer;font:10px/1 var(--font-ui)}
.source-manage-actions button:hover{border-color:var(--accent);color:var(--ink)}
.source-manage-actions [data-remove-source]:hover{color:#b33224;border-color:#b33224}

/* ── Traces segmented control ── */
.od-segmented{flex:none;display:flex;margin:12px 16px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;font:11px/1.2 var(--font-ui)}
.od-segmented button{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;border:0;border-left:1px solid var(--line);padding:9px 4px;background:transparent;color:var(--muted);cursor:pointer;white-space:nowrap}
.od-segmented button:first-child{border-left:0}
.od-segmented button:hover{color:var(--ink);background:var(--paper)}
.od-segmented button[aria-pressed="true"]{background:var(--paper);color:var(--accent);font-weight:600}

/* Filter menu hosts the relocated organize/source/sort rows */
#filterMenu .organize-tools,#filterMenu .archive-tools{padding:0 0 8px}
#filterMenu .archive-tools{padding-bottom:0}
#filterMenu .source-tools{grid-template-columns:1fr;padding:0 0 8px}
.import-picks{display:flex;flex-direction:column;gap:7px}.import-title{font:600 10px/1.2 ui-sans-serif,system-ui,sans-serif;color:var(--muted);letter-spacing:.06em}.pick{display:block;width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;text-align:center;cursor:pointer;background:var(--paper);color:var(--ink);font:12px/1.4 ui-sans-serif,system-ui,sans-serif}.pick:hover{border-color:var(--accent)}.pick-folder{border-color:var(--accent);color:var(--ink)}.pick-folder span{display:block;font-weight:600}.pick-folder small{display:block;margin-top:2px;color:var(--muted);font-size:10px;font-weight:400}.pick-secondary{padding:8px 12px;color:var(--muted)}.pick-divider{display:flex;align-items:center;gap:8px;color:var(--muted);font:9px/1 ui-sans-serif,system-ui,sans-serif}.pick-divider::before,.pick-divider::after{content:"";height:1px;background:var(--line);flex:1}body.has-library .import-picks{padding-top:8px;border-top:1px solid var(--line)}body.has-library .pick{padding-top:7px;padding-bottom:7px}body.has-library .pick-folder small{display:none}[hidden]{display:none!important}
.sidecar-picks{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font:10px/1.35 ui-sans-serif,system-ui,sans-serif}.sidecar-title{grid-column:1/-1;color:var(--muted);letter-spacing:.05em}.sidecar-pick,.sidecar-clear{min-width:0;padding:6px 7px;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--muted);text-align:center;cursor:pointer}.sidecar-pick:hover,.sidecar-clear:hover{border-color:var(--accent);color:var(--ink)}.sidecar-clear{grid-column:1/-1;font-size:9px}
.status{font-size:11px;color:var(--muted);line-height:1.55;margin-top:10px}.status.error{color:#b33224}.local-library{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:7px;margin-top:7px;color:var(--muted);font:9px/1.4 ui-sans-serif,system-ui,sans-serif}.local-library button{border:0;background:transparent;color:var(--muted);padding:2px 0;cursor:pointer;white-space:nowrap}.local-library button:not(:disabled):hover{color:#b33224}.local-library button:disabled{opacity:.45;cursor:default}.search-wrap{flex:none;display:flex;gap:6px;padding:12px 16px 6px}
.search-wrap input{flex:1;min-width:0;height:36px;box-sizing:border-box;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);padding:0 12px;font:12px/1.4 var(--font-ui);outline:none}.search-wrap input:focus{border-color:var(--accent)}
.search-wrap input::placeholder{color:var(--muted);opacity:.75}
.search-wrap button{flex:none;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;color:var(--muted);font:11px/1 var(--font-ui);cursor:pointer}
.search-wrap button:hover{border-color:var(--accent);color:var(--ink)}
.search-wrap button[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);background:var(--thinking)}
.source-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;padding:0 14px 8px;font:10px/1.3 ui-sans-serif,system-ui,sans-serif}.source-tools select,.source-tools button{min-width:0;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);padding:5px 7px}.source-tools button{cursor:pointer}.source-tools button:disabled{cursor:default;opacity:.45}.source-tools button:not(:disabled):hover{border-color:var(--accent);color:var(--ink)}
.archive-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px 14px 8px}.archive-meta{font-size:11px;color:var(--muted)}.sort-control{display:inline-flex;flex:none;border:1px solid var(--line);border-radius:7px;overflow:hidden;font:10px/1.2 ui-sans-serif,system-ui,sans-serif}.sort-control button{border:0;border-left:1px solid var(--line);padding:4px 7px;background:transparent;color:var(--muted);cursor:pointer}.sort-control button:first-child{border-left:0}.sort-control button:hover{color:var(--ink);background:var(--paper)}.sort-control button[aria-pressed="true"]{background:var(--paper);color:var(--accent);font-weight:600}.sort-control button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.conversation-list{flex:1 1 auto;min-height:90px;overflow-y:auto;padding:4px 9px 50px}
/* ── Source tree: indent x16 / x28 / x40 / x52, row heights 36/36/28/52 ── */
.source-group,.character-group{margin:0}
.source-group>summary,.character-group>summary{display:flex;align-items:center;gap:7px;cursor:pointer;list-style:none;font-family:var(--font-ui);box-sizing:border-box}
.source-group>summary::-webkit-details-marker,.character-group>summary::-webkit-details-marker{display:none}
.source-group>summary::before,.character-group>summary::before{content:"›";flex:none;color:var(--muted);transform:rotate(90deg);transition:transform .15s}
.source-group:not([open])>summary::before,.character-group:not([open])>summary::before{transform:none}
.source-group>summary{min-height:36px;padding:0 8px 0 16px;font-size:12px;font-weight:700;color:var(--ink)}
.source-summary-label,.character-summary-label{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.source-count,.character-count{flex:none;color:var(--muted);font-size:9px;font-weight:400}
.source-menu-button{flex:none;border:0;background:transparent;color:var(--muted);padding:2px 6px;cursor:pointer;font-size:13px;line-height:1;border-radius:var(--radius-xs)}
.source-menu-button:hover{color:var(--ink);background:var(--panel)}
.source-row-menu{margin:0 12px 6px 16px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-xs);background:var(--panel);font:10px/1.5 var(--font-ui);color:var(--muted)}
.source-row-menu .source-row-details{margin-bottom:6px;word-break:break-word}
.source-row-menu button{margin-right:6px;border:1px solid var(--line);border-radius:var(--radius-xs);background:transparent;color:var(--muted);padding:4px 8px;cursor:pointer;font:10px/1 var(--font-ui)}
.source-row-menu button:hover{border-color:var(--accent);color:var(--ink)}
.source-row-menu [data-remove-source]:hover{color:#b33224;border-color:#b33224}
.character-group{margin-left:0}
.character-group>summary{min-height:36px;padding:0 8px 0 28px;color:var(--accent);font-size:11px}
.character-identity{display:block;color:var(--muted);font-size:8px;font-weight:400;overflow:hidden;text-overflow:ellipsis}
.source-conversations,.character-conversations{margin-left:0;border-left:0;padding-left:0}
.year-heading{display:flex;align-items:center;min-height:28px;padding:0 8px 0 40px;font:600 10px/1 var(--font-ui);letter-spacing:.06em;color:var(--muted)}
.conv{box-sizing:border-box;min-height:52px;padding:8px 10px 8px 52px;border-left:2px solid transparent;border-radius:0;cursor:pointer;margin:0}
.conv:hover{background:var(--paper)}
.conv.on{border-left-color:var(--accent);background:var(--thinking)}
.conv-title{font:400 13px/18px var(--font-ui);color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv-meta{font:400 10px/14px var(--font-ui);color:var(--muted);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#main{height:100%;flex:1;overflow:auto;position:relative}
.toolbar{position:sticky;top:0;z-index:10;min-height:52px;box-sizing:border-box;display:flex;gap:8px;align-items:center;padding:8px 16px;border-bottom:1px solid var(--line);background:var(--panel);font:12px/1.3 var(--font-ui);color:var(--muted);transition:transform var(--motion-toolbar) var(--motion-ease)}
body.toolbar-hidden .toolbar{transform:translateY(-53px);pointer-events:none}
.current-title{flex:1;min-width:80px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink)}
.ghost{border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--ink);padding:5px 8px;cursor:pointer}
.ghost:hover{border-color:var(--accent)}
.icon-button{flex:none;width:36px;height:36px;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;padding:0;font-size:15px}
.reader-more-menu button{display:block;width:100%;margin-bottom:6px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);padding:8px 10px;cursor:pointer;font-size:12px;text-align:left}
.reader-more-menu button:hover{border-color:var(--accent)}
.more-menu-divider{height:1px;background:var(--line);margin:8px 0}
.more-voice-status{margin-top:6px;font:10px/1.6 var(--font-ui);color:var(--muted)}
.welcome{min-height:calc(100% - 52px);display:grid;place-items:center;padding:36px}.welcome-card{position:relative;max-width:660px;padding:44px;background:var(--paper) var(--od-paper-large) center/cover;border:1px solid var(--line);border-radius:var(--radius-paper);box-shadow:var(--shadow-paper)}
/* Ink grain rides above bounded paper as its own quiet layer; its job is
   subconscious print texture, never visible grime. */
.welcome-card::after{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--od-ink-grain);opacity:var(--od-grain-opacity);mix-blend-mode:var(--od-grain-blend);pointer-events:none}
/* The leaf ornament lives only on the welcome / empty state (approved rule). */
.welcome-card::before{content:"";position:absolute;bottom:16px;right:20px;width:26px;height:26px;background:var(--muted);opacity:.45;-webkit-mask:url("assets/reader/ornaments/ornament-leaf.svg") center/contain no-repeat;mask:url("assets/reader/ornaments/ornament-leaf.svg") center/contain no-repeat;pointer-events:none}
.welcome-card>*{position:relative}
.welcome-card .mark{font-size:64px;line-height:.7;color:var(--accent)}.welcome-card h2{font-weight:500;line-height:1.5;font-size:25px}.welcome-card p{color:var(--muted);line-height:1.8}.small{font-size:12px}
/* ── Library Home (D1): quiet archive entry ── */
.library-home{min-height:calc(100% - 52px)}
.library-home-inner{max-width:1000px;margin:0 auto;padding:40px 64px 80px;font-family:var(--font-ui)}
.library-home-head h2{margin:0;font:600 30px/42px var(--reader-font-family);color:var(--ink)}
.library-home-head p{margin:6px 0 0;font:13px/20px var(--font-ui);color:var(--muted)}
.continue-card{position:relative;margin-top:28px;padding:32px;background:var(--paper) var(--od-paper-large) center/cover;border:1px solid var(--line);border-radius:var(--radius-paper);box-shadow:0 4px 14px rgba(52,42,31,.10),0 1px 3px rgba(52,42,31,.06);cursor:pointer}
.continue-card::after{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--od-ink-grain);opacity:var(--od-grain-opacity);mix-blend-mode:var(--od-grain-blend);pointer-events:none}
.continue-card>*{position:relative}
.continue-card:hover .continue-cta{color:var(--accent)}
.continue-empty{cursor:default;color:var(--muted);font:15px/1.8 var(--reader-font-family);text-align:center;padding:44px 32px}
.continue-eyebrow{font:12px/18px var(--font-ui);color:var(--muted)}
.continue-title{margin-top:8px;font:600 24px/34px var(--reader-font-family);color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.continue-meta{margin-top:6px;font:12px/18px var(--font-ui);color:var(--muted)}
.continue-excerpt{margin-top:10px;font:16px/28px var(--reader-font-family);color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.continue-foot{display:flex;align-items:center;gap:20px;margin-top:18px}
.continue-progress{flex:1;height:2px;background:var(--line);overflow:hidden}
.continue-progress span{display:block;height:100%;background:var(--accent)}
.continue-cta{flex:none;font:12px/1 var(--font-ui);color:var(--muted)}
.library-home-lower{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;margin-top:40px}
.home-recent h3,.home-summary h3{margin:0 0 12px;font:600 14px/1.3 var(--font-ui);color:var(--ink)}
.home-addition{box-sizing:border-box;min-height:88px;padding:18px 8px;border-bottom:1px solid var(--line);cursor:pointer}
.home-addition:hover{background:var(--paper)}
.home-addition-title{font:500 16px/24px var(--reader-font-family);color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.home-addition-meta{margin-top:6px;font:12px/18px var(--font-ui);color:var(--muted)}
.home-summary>div{border:1px solid var(--line);border-radius:var(--radius-paper);background:var(--panel);padding:24px}
.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px}
.summary-item strong{display:block;font:600 26px/1.2 var(--reader-font-family);color:var(--accent)}
.summary-item span{display:block;margin-top:2px;font:11px/1.4 var(--font-ui);color:var(--muted)}
.summary-note{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font:11px/1.7 var(--font-ui);color:var(--muted)}
@media (max-width:1359px){.library-home-inner{padding:32px 48px 64px}}
@media (max-width:980px){.library-home-lower{grid-template-columns:1fr}.library-home-inner{padding:24px 22px 56px}}

/* ── The reading paper (D2): one bounded sheet on the outer stage ── */
.reader{position:relative;box-sizing:border-box;width:min(calc(var(--cw) + 136px), calc(100% - 144px));margin:24px auto 64px;padding:48px 68px 96px;background:var(--paper) var(--od-paper-tile) top left/512px 512px repeat;border:1px solid var(--line);border-radius:var(--radius-paper);box-shadow:var(--shadow-paper)}
.reader::after{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--od-ink-grain);opacity:var(--od-grain-opacity);mix-blend-mode:var(--od-grain-blend);pointer-events:none}
.hidden{display:none!important}
.conversation-head{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:42px}
.conversation-head h2{font-size:var(--reader-heading-size);line-height:var(--reader-heading-line-height);margin:0 0 8px;font-weight:600}
.reader-meta{font:11px/18px var(--font-ui);letter-spacing:.08em;color:var(--muted)}

/* ── Interview typography: full-column turns, no chat bubbles ── */
.message{position:relative;margin-bottom:40px}
.message[data-role="user"]::before{content:"";position:absolute;left:-16px;top:2px;bottom:2px;width:2px;background:var(--od-user-marker)}
.message-who{font:600 11px/16px var(--font-ui);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.message-body{font-size:var(--reader-font-size);line-height:var(--reader-line-height);letter-spacing:var(--reader-letter-spacing);white-space:pre-wrap;word-break:break-word}
.message-body+.message-body{margin-top:24px}
.message-time{height:16px;font:10px/16px var(--font-ui);color:var(--muted);margin-top:6px;opacity:0;transition:opacity var(--motion-hover) var(--motion-ease)}
.message:hover .message-time,.message:focus-within .message-time{opacity:1}
.thinking,.source-trace{display:none;margin-top:12px;padding:12px 14px;background:var(--thinking);border:1px dashed var(--line);font-size:14px;line-height:1.85;color:var(--muted);white-space:pre-wrap}.source-trace{background:transparent;font:12px/1.7 ui-monospace,monospace}.source-trace-marker{color:var(--accent)}body.show-thinking .thinking,body.show-thinking .source-trace{display:block}body.hide-user .message[data-role="user"]{display:none}.badge{display:inline-block;padding:2px 6px;border:1px solid var(--line);border-radius:999px;margin-right:5px}
.attachments{display:flex;flex-direction:column;gap:12px;margin-top:14px;max-width:680px}.attachment{border:1px solid var(--line);border-radius:9px;background:var(--paper);font:12px/1.4 ui-sans-serif,system-ui,sans-serif;color:var(--muted);overflow:hidden}.attachment-icon{font-size:17px;color:var(--accent);flex:none}.attachment-file{display:block}.attachment-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 12px;color:inherit;text-decoration:none}.attachment-card[href]{color:var(--ink);cursor:pointer}.attachment-card[href]:hover{background:rgba(127,127,127,.07)}.attachment-card:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.attachment-copy{display:flex;min-width:0;flex-direction:column;gap:2px}.attachment-name{color:var(--ink);font-weight:600;overflow-wrap:anywhere}.attachment-copy small,.attachment-caption small{font-size:10px;opacity:.75}.attachment-action{font-size:10px;color:var(--accent);white-space:nowrap}.attachment.is-unavailable .attachment-action{color:var(--muted)}
.attachment-media{display:block;margin:0}.attachment-viewport{display:grid;place-items:center;min-height:180px;background:rgba(127,127,127,.055)}.attachment-audio .attachment-viewport{min-height:72px}.attachment-loading{display:flex;align-items:center;justify-content:center;gap:9px;padding:24px;color:var(--muted)}.attachment.is-loading .attachment-loading{animation:attachment-pulse 1.2s ease-in-out infinite}.attachment-viewport img{display:block;width:auto;max-width:100%;height:auto;max-height:72vh;object-fit:contain}.attachment-viewport video{display:block;width:100%;max-height:72vh;background:#000}.attachment-viewport audio{display:block;width:calc(100% - 24px);margin:12px}.attachment-caption{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:8px 11px;border-top:1px solid var(--line)}.attachment-caption small{text-align:right;white-space:nowrap}.attachment-reconnect{display:block;margin:0 10px 10px auto;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--accent);padding:5px 8px;cursor:pointer;font:10px/1.2 ui-sans-serif,system-ui,sans-serif}.attachment-reconnect:hover{border-color:var(--accent)}.attachment.is-error{border-color:#b33224}.attachment.is-error .attachment-loading,.attachment.is-error .attachment-action{color:#b33224}@keyframes attachment-pulse{50%{opacity:.5}}
.source-rich-block{margin:13px 0;border:1px solid var(--line);border-radius:10px;background:var(--paper);overflow:hidden;font:14px/1.65 ui-sans-serif,system-ui,sans-serif}.source-rich-status>header,.source-rich-details>summary{padding:10px 13px;background:rgba(127,127,127,.055);color:var(--accent);font-weight:700}.source-rich-details>summary{cursor:pointer}.source-rich-details-body{padding:2px 13px 12px}.source-rich-rows{margin:0;padding:5px 13px}.source-rich-row{display:grid;grid-template-columns:minmax(70px,.35fr) minmax(0,1fr);gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}.source-rich-row:last-child{border-bottom:0}.source-rich-row dt{color:var(--muted)}.source-rich-row dd{margin:0;white-space:pre-wrap;word-break:break-word}.source-rich-note,.source-rich-body{margin:8px 13px;padding:9px 11px;border-left:3px solid var(--accent);background:rgba(127,127,127,.05);white-space:pre-wrap}.source-rich-details .source-rich-note,.source-rich-details .source-rich-body{margin-left:0;margin-right:0}.source-rich-progress{padding:8px 13px 13px}.source-rich-progress-copy{display:flex;justify-content:space-between;gap:12px;margin-bottom:5px;color:var(--muted);font-size:12px}.source-rich-progress-copy strong{color:var(--accent)}.source-rich-track{height:7px;border-radius:999px;background:var(--line);overflow:hidden}.source-rich-track span{display:block;height:100%;background:var(--accent);border-radius:inherit}
.source-rich-heading{padding:16px 18px;border-width:1px 1px 1px 4px;background:linear-gradient(120deg,rgba(127,127,127,.035),transparent)}.source-rich-heading h3{margin:3px 0;font:600 21px/1.4 ui-serif,"Noto Serif SC","Source Han Serif SC",serif;color:var(--ink)}.source-rich-heading p{margin:5px 0 0;color:var(--muted);white-space:pre-wrap}.source-rich-eyebrow{color:var(--accent);font:600 10px/1.4 ui-monospace,monospace;letter-spacing:.13em;text-transform:uppercase}.source-rich-hud>header{display:flex;align-items:center;justify-content:space-between;padding:10px 13px;background:rgba(127,127,127,.07)}.source-rich-hud>header strong{display:block;color:var(--accent);font-size:17px}.source-rich-hud>header small{display:block;margin-top:1px;color:var(--muted);font-size:10px;letter-spacing:.08em}.source-rich-subtitle{padding:0 13px 8px;color:var(--muted)}.source-rich-sections{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;padding:1px 13px 10px}.source-rich-sections section{min-width:0;padding:9px 10px;background:rgba(127,127,127,.045)}.source-rich-sections h4{margin:0 0 4px;color:var(--accent);font-size:11px;letter-spacing:.05em}.source-rich-sections section>div{white-space:pre-wrap;word-break:break-word}.source-rich-items{display:grid;gap:6px;margin:7px 13px 12px;padding:0;list-style:none}.source-rich-items li{padding:7px 9px;border-left:2px solid var(--line);background:rgba(127,127,127,.035);white-space:pre-wrap}.source-rich-items li::before{content:"·";margin-right:7px;color:var(--accent)}.source-rich-zc{border-left-color:var(--accent)}.source-rich-censy{box-shadow:inset 0 1px 0 rgba(127,127,127,.08)}.source-rich-nb,.source-rich-task{border-radius:6px}.source-rich-kind-folder-panel>header,.source-rich-kind-task-card>header{letter-spacing:.04em}.source-rich-forum .source-rich-items li{border-left:0;border-bottom:1px solid var(--line)}
.solvoice-clips{display:flex;flex-direction:column;gap:8px;margin-top:14px;max-width:680px}.solvoice-player{margin:0;border:1px solid var(--line);border-radius:9px;background:var(--paper);overflow:hidden;font:11px/1.4 ui-sans-serif,system-ui,sans-serif}.solvoice-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 10px;color:var(--accent);font-weight:600}.solvoice-caption small{color:var(--muted);font-size:9px;font-weight:400}.solvoice-viewport{display:grid;place-items:center;min-height:58px;border-top:1px solid var(--line);background:rgba(127,127,127,.04)}.solvoice-viewport audio{display:block;width:calc(100% - 20px);margin:9px}.solvoice-loading{padding:17px;color:var(--muted);font-size:10px}.solvoice-player.is-unavailable{opacity:.7}
body:not(.show-thinking) .message.reasoning-only{display:none}
.page-navigation{position:relative;display:flex;align-items:center;gap:10px;margin-top:50px;padding-top:28px;font:12px/1.4 var(--font-ui);color:var(--muted)}
/* Pagination furniture: the approved flourish, quiet and centered above the controls */
.page-navigation::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:120px;height:16px;background:currentColor;opacity:.55;-webkit-mask:url("assets/reader/ornaments/page-flourish.svg") center/contain no-repeat;mask:url("assets/reader/ornaments/page-flourish.svg") center/contain no-repeat}
.page-navigation button{flex:1;padding:10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;color:var(--ink);cursor:pointer;font-family:var(--font-ui)}
.page-navigation button:hover:not(:disabled){border-color:var(--accent)}
.page-navigation button:disabled{opacity:.4;cursor:default}
.page-navigation label{white-space:nowrap}
.page-navigation input{width:4em;padding:3px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink);text-align:center}
.reading-progress-label{display:none}
/* ── Responsive tiers ──
   <=1359: the sidebar overlays the reading stage as a 312px drawer — beside
   it, the 936px paper plus its 96px stage margins no longer fit.
   <=1023: the paper keeps 32–48px side breathing room.
   <=760:  full-bleed paper, 22px text inset, one thumb-height toolbar. ── */
.sidebar-backdrop{position:fixed;inset:0;z-index:45;background:rgba(16,14,12,.42)}
.sidebar-close{display:none}
@media (max-width:1359px){
  .sidebar-close{display:flex;align-items:center;justify-content:center;position:absolute;top:10px;right:10px;z-index:5;
    width:36px;height:36px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--muted);cursor:pointer;font-size:14px}
  .sidebar-close:hover{color:var(--ink);border-color:var(--accent)}
  #sidebar{position:fixed;inset:0 auto 0 0;z-index:50;margin-left:0;
    box-shadow:var(--shadow-drawer);transition:transform var(--motion-drawer) var(--motion-ease)}
  #sidebar.closed{margin-left:0;transform:translateX(-105%)}
}
@media (max-width:1023px){
  .reader{width:calc(100% - 64px);padding:40px 48px 80px}
}
@media (max-width:760px){
  #sidebar{width:min(86vw,340px)}
  .toolbar{gap:6px;padding:4px 8px;min-height:52px;flex-wrap:nowrap}
  .current-title{min-width:0;font-size:13px}
  .ghost{padding:7px 9px}
  .icon-button{width:44px;height:44px}
  .reader{width:100%;margin:0;border:0;border-radius:0;box-shadow:none;padding:32px 22px calc(128px + env(safe-area-inset-bottom))}
  .message[data-role="user"]::before{left:-13px}
  .welcome{padding:18px}.welcome-card{padding:26px 20px}.welcome-card h2{font-size:20px}
  .conv{padding:8px 10px 8px 40px}
  .bookmark,.search-hit{padding:10px 9px}
  .attachment-card{grid-template-columns:auto minmax(0,1fr)}
  .attachment-action{grid-column:2}
  .attachment-caption{align-items:flex-start;flex-direction:column;gap:2px}
  .attachment-caption small{text-align:left;white-space:normal}

  /* Bottom controls: previous 26% | progress 48% | next 26%, 48px + safe area */
  .page-navigation{position:fixed;left:0;right:0;bottom:0;z-index:15;margin:0;padding:0 0 env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--line);gap:0;transition:transform var(--motion-toolbar) var(--motion-ease)}
  .page-navigation::before{display:none}
  .page-navigation button{flex:0 0 26%;min-height:48px;border:0;border-radius:0;background:transparent;padding:0;font-size:12px}
  .page-navigation label{flex:1;display:flex;align-items:center;justify-content:center;min-height:48px;margin:0;font-size:12px}
  .reading-progress-label{flex:1;display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--muted)}
  .reading-progress-label[hidden]{display:none}
  body.bottombar-hidden .page-navigation{transform:translateY(110%);pointer-events:none}

}

/* ── Bookmarks ── */
.bookmarks-panel{flex:none;margin:0 14px 6px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}
.bookmarks-panel>summary{display:flex;align-items:center;gap:6px;cursor:pointer;list-style:none;padding:8px 11px;font:600 11px/1.3 ui-sans-serif,system-ui,sans-serif;color:var(--ink)}
.bookmarks-panel>summary::-webkit-details-marker{display:none}
.bookmarks-count{color:var(--muted);font-weight:400;font-size:9px}
.bookmarks-list{max-height:min(280px,30vh);overflow-y:auto;padding:0 6px 8px}
.bookmarks-empty{padding:4px 6px 8px;font-size:10.5px;line-height:1.6;color:var(--muted)}
.bookmark{padding:8px 9px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:3px}
.bookmark:hover{background:var(--user)}
.bookmark.missing{opacity:.55;cursor:default}
.bookmark-head{display:flex;align-items:baseline;gap:6px}
.bookmark-title{min-width:0;flex:1;font-size:12.5px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bookmark-actions{flex:none;display:inline-flex;gap:2px}
.bookmark-actions button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:1px 4px;font-size:11px;line-height:1;border-radius:5px}
.bookmark-actions button:hover{color:var(--ink);background:var(--paper)}
.bookmark-actions [data-bookmark-remove]:hover{color:#b33224}
.bookmark-snippet{margin-top:3px;font-size:10.5px;line-height:1.5;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bookmark-meta{margin-top:3px;font-size:9.5px;color:var(--muted)}
.bookmark-rename{min-width:0;flex:1;border:1px solid var(--accent);border-radius:6px;background:var(--paper);color:var(--ink);padding:3px 6px;font-size:12px;outline:none}
.message.bookmark-flash{animation:bookmark-flash 1.4s ease 2}
@keyframes bookmark-flash{0%,100%{background:transparent}40%{background:var(--thinking)}}

/* ── Highlights & notes ── */
:root{
  --hl-yellow:rgba(240,197,60,.42); --hl-green:rgba(120,190,90,.38); --hl-pink:rgba(235,120,160,.36);
  --hl-blue:rgba(90,160,225,.34); --hl-purple:rgba(165,120,220,.34);
}
:root[data-theme="night"]{
  --hl-yellow:rgba(240,197,60,.3); --hl-green:rgba(130,200,100,.28); --hl-pink:rgba(240,130,170,.28);
  --hl-blue:rgba(110,175,235,.28); --hl-purple:rgba(180,135,235,.28);
}
:root[data-theme="mist"]{
  --hl-yellow:rgba(225,180,45,.4); --hl-green:rgba(105,175,80,.36); --hl-pink:rgba(225,110,150,.34);
  --hl-blue:rgba(75,145,210,.32); --hl-purple:rgba(150,110,205,.32);
}
.hl-yellow{--hl:var(--hl-yellow)}.hl-green{--hl:var(--hl-green)}.hl-pink{--hl:var(--hl-pink)}
.hl-blue{--hl:var(--hl-blue)}.hl-purple{--hl:var(--hl-purple)}
/* ── Production highlighter (approved contract §12) ──
   Stored color values stay untouched; the display maps salmon→pink,
   sage→green, lilac→purple. Normal and long selections compose
   96×90 left cap + 192×90 repeat-x middle + 96×90 right cap; every wrapped
   line fragment gets independent natural caps via box-decoration-break.
   The full 800×90 mother stroke is never stretched or repeated here. */
mark.annotation{
  background-color:transparent;color:inherit;cursor:pointer;
  padding-inline:.20em;
  background-image:var(--hl-cap-left),var(--hl-cap-right),var(--hl-mid);
  background-repeat:no-repeat,no-repeat,repeat-x;
  background-position:left 54%,right 54%,left 54%;
  background-size:auto 1.48em,auto 1.48em,auto 1.48em;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}
mark.annotation.hl-yellow{--hl-cap-left:url("assets/reader/highlighters/highlighter-yellow-left.png");--hl-mid:url("assets/reader/highlighters/highlighter-yellow-middle.png");--hl-cap-right:url("assets/reader/highlighters/highlighter-yellow-right.png");--hl-full:url("assets/reader/highlighters/highlighter-yellow.png")}
mark.annotation.hl-pink{--hl-cap-left:url("assets/reader/highlighters/highlighter-salmon-left.png");--hl-mid:url("assets/reader/highlighters/highlighter-salmon-middle.png");--hl-cap-right:url("assets/reader/highlighters/highlighter-salmon-right.png");--hl-full:url("assets/reader/highlighters/highlighter-salmon.png")}
mark.annotation.hl-green{--hl-cap-left:url("assets/reader/highlighters/highlighter-sage-left.png");--hl-mid:url("assets/reader/highlighters/highlighter-sage-middle.png");--hl-cap-right:url("assets/reader/highlighters/highlighter-sage-right.png");--hl-full:url("assets/reader/highlighters/highlighter-sage.png")}
mark.annotation.hl-blue{--hl-cap-left:url("assets/reader/highlighters/highlighter-blue-left.png");--hl-mid:url("assets/reader/highlighters/highlighter-blue-middle.png");--hl-cap-right:url("assets/reader/highlighters/highlighter-blue-right.png");--hl-full:url("assets/reader/highlighters/highlighter-blue.png")}
mark.annotation.hl-purple{--hl-cap-left:url("assets/reader/highlighters/highlighter-lilac-left.png");--hl-mid:url("assets/reader/highlighters/highlighter-lilac-middle.png");--hl-cap-right:url("assets/reader/highlighters/highlighter-lilac-right.png");--hl-full:url("assets/reader/highlighters/highlighter-lilac.png")}
/* 3–5 character marks: the single approved compression of one full mother
   stroke to the selection width. */
mark.annotation.od-hl-short{background-image:var(--hl-full);background-repeat:no-repeat;background-position:center 54%;background-size:100% 1.48em}
/* A saved note announces itself with a thin accent underline over the stroke. */
mark.annotation.noted{border-bottom:1px solid var(--accent)}
mark.annotation.annotation-flash{animation:bookmark-flash 1.4s ease 2}
.annotation-dot{flex:none;width:10px;height:10px;border-radius:50%;background:var(--hl);border:1px solid var(--line);align-self:center}
.annotation-item{padding:8px 9px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:3px}
.annotation-item:hover{background:var(--user)}
.annotation-item.missing{opacity:.55;cursor:default}
.highlight-button{position:fixed;z-index:60;padding:6px 13px;border-radius:999px;cursor:pointer;border:1px solid var(--accent);background:var(--panel);color:var(--accent);font:12px/1.3 ui-sans-serif,system-ui,sans-serif;box-shadow:0 6px 22px rgba(0,0,0,.22)}
/* 禁用态的拾句钮（跨消息选区）：变淡但仍可点 —— 点了用状态行解释原因 */
.highlight-button[data-blocked="1"]{opacity:.55}
.annotation-editor{position:fixed;z-index:61;width:min(320px,90vw);padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--panel);box-shadow:0 10px 38px rgba(0,0,0,.28)}
.annotation-colors{display:flex;gap:7px;margin-bottom:9px}
.annotation-swatch{width:24px;height:24px;border-radius:50%;cursor:pointer;border:1px solid var(--line);background:var(--hl);padding:0}
.annotation-swatch:hover{border-color:var(--accent)}
.annotation-swatch[aria-pressed="true"]{border:2px solid var(--accent);box-shadow:0 0 0 2px var(--panel) inset}
.annotation-editor textarea{width:100%;box-sizing:border-box;height:62px;resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:7px 9px;font-size:12.5px;outline:none}
.annotation-editor textarea:focus{border-color:var(--accent)}
.annotation-editor-actions{display:flex;gap:7px;margin-top:9px}
.annotation-editor-actions button{flex:1;padding:6px;border-radius:8px;cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:12px}
.annotation-editor-actions button:hover{border-color:var(--accent)}
.annotation-editor-actions #annotationDelete{color:#b33224;flex:0 0 auto;padding:6px 12px}

/* ── Keyboard focus ── */
:focus-visible{outline:var(--line-active) solid var(--od-focus);outline-offset:2px}

/* ── Reduced motion: drawers, toolbar, and sheets become simple 0–80 ms
   visibility changes; decorative motion stops. ── */
@media (prefers-reduced-motion:reduce){
  #sidebar,.toolbar,.page-navigation,.reader-prefs-panel,.annotation-editor{transition-duration:60ms!important}
  .source-group>summary::before,.character-group>summary::before,.aa-accordion>summary::after,.message-time{transition:none!important}
  .attachment-loading{animation:none!important}
  .message.bookmark-flash,mark.annotation.annotation-flash{animation-duration:.3s}
}

/* ── Scrollbars ──
   Windows overlay scrollbars stay invisible until you scroll, which reads as
   "this list cannot scroll". Styling them makes every long area announce
   itself with a visible thin thumb. */
*{scrollbar-width:thin;scrollbar-color:var(--line) transparent}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:var(--muted)}
::-webkit-scrollbar-track{background:transparent}

/* ── Collapsible import section ── */
.import-panel>summary{display:flex;align-items:center;gap:7px;cursor:pointer;list-style:none;padding:5px 0;font:600 10px/1.2 ui-sans-serif,system-ui,sans-serif;color:var(--muted);letter-spacing:.06em}
.import-panel>summary::-webkit-details-marker{display:none}
.import-panel>summary::before{content:"›";flex:none;color:var(--muted);transform:rotate(90deg);transition:transform .15s}
.import-panel:not([open])>summary::before{transform:none}
.import-panel>summary:hover{color:var(--ink)}

/* ── Recent reading ── */
.recent-item{padding:8px 9px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:3px}
.recent-item:hover{background:var(--user)}
.recent-item.missing{opacity:.55;cursor:default}
.recent-progress{flex:none;font-size:9.5px;color:var(--muted);align-self:baseline;white-space:nowrap}
.recent-progress.finished{color:var(--accent)}
.conv-progress{color:var(--accent)}

/* ── Full-text search pane (primary sidebar mode) ── */
#searchPane{padding-top:12px}
#searchPane #searchResults{flex:1 1 auto;min-height:0;overflow-y:auto;max-height:none;padding:0 10px 20px}
.search-scope{display:flex;margin:0 16px 8px;border:1px solid var(--line);border-radius:7px;overflow:hidden;font:10px/1.2 ui-sans-serif,system-ui,sans-serif}
.search-scope button{flex:1;border:0;border-left:1px solid var(--line);padding:5px 7px;background:transparent;color:var(--muted);cursor:pointer}
.search-scope button:first-child{border-left:0}
.search-scope button:hover{color:var(--ink);background:var(--paper)}
.search-scope button[aria-pressed="true"]{background:var(--paper);color:var(--accent);font-weight:600}
#searchQuery{display:block;width:calc(100% - 32px);margin:0 16px 8px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:7px 10px;font-size:12.5px;outline:none}
#searchQuery:focus{border-color:var(--accent)}
.search-hit{padding:8px 9px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:3px}
.search-hit:hover{background:var(--user)}
.search-snippet{margin-top:3px;font-size:11.5px;line-height:1.6;color:var(--muted);word-break:break-word}
.search-snippet b{color:var(--accent);font-weight:600}

/* ── Traces pane fills the sidebar; its lists own the scrolling ── */
.tool-panels{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;margin:0 12px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);padding-top:4px}
.tool-panels>div{display:flex;flex-direction:column;flex:1;min-height:0}
.tool-panels .bookmarks-list{flex:1;max-height:none}

/* ── Aa reading-preferences panel (D4) ── */
.reader-prefs-panel{position:fixed;top:60px;right:18px;z-index:30;width:238px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:var(--shadow-popover);font:12px/1.4 var(--font-ui)}
.aa-panel{top:68px;right:24px;width:376px;max-height:calc(100vh - 92px);overflow-y:auto;box-sizing:border-box;padding:20px;border-radius:var(--radius-lg)}
.aa-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.aa-title{font:600 15px/1.3 var(--font-ui);color:var(--ink)}
#aaDone{border:0;background:transparent;color:var(--accent);font:12px/1 var(--font-ui);cursor:pointer;padding:6px 8px}
#aaDone:hover{text-decoration:underline}
.aa-section-label{display:flex;align-items:baseline;justify-content:space-between;font:600 11px/1.4 var(--font-ui);letter-spacing:.05em;color:var(--muted);margin:14px 0 8px}
.aa-section-label small{font-weight:400;font-size:9px;letter-spacing:0}
/* Theme cards keep their v1 weight: three equal previews, selection carries
   a 2px accent ring + check, never color alone. Preview palettes quote the
   approved token table so each card shows its own lighting condition. */
.theme-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.theme-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;min-height:96px;box-sizing:border-box;padding:12px 6px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--tc-bg);color:var(--tc-ink);cursor:pointer;font-family:var(--font-ui)}
.theme-card-paper{--tc-bg:#F4EEDF;--tc-ink:#302B25}
.theme-card-mist{--tc-bg:#E8EBDD;--tc-ink:#2D352D}
.theme-card-night{--tc-bg:#1C1916;--tc-ink:#E7DED0}
.theme-card .od-nav-icon{width:16px;height:16px}
.theme-card-name{font:600 12px/1.2 var(--font-ui)}
.theme-card-sample{font:12px/1.2 var(--reader-font-family);opacity:.8}
.theme-card[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.theme-card[aria-pressed="true"]::after{content:"✓";position:absolute;top:4px;right:6px;font-size:10px;color:var(--accent)}
.od-icon-theme-paper{--od-nav-mask:url("assets/reader/icons/theme-paper.svg")}
.od-icon-theme-eye{--od-nav-mask:url("assets/reader/icons/theme-eye-care.svg")}
.od-icon-theme-night{--od-nav-mask:url("assets/reader/icons/theme-night.svg")}
/* Print-preset cards recede behind their type samples: panel fill, hairline
   lighter than the standard line, 4px radius, no heavy card treatment. */
.preset-cards{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.preset-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-height:72px;box-sizing:border-box;padding:10px 12px;border:1px solid var(--line);border-color:color-mix(in srgb, var(--line) 55%, transparent);border-radius:var(--radius-xs);background:var(--panel);color:var(--ink);cursor:pointer;text-align:left}
.preset-card:hover{border-color:var(--line)}
.preset-card[aria-pressed="true"]{border-color:var(--accent)}
.preset-card[aria-pressed="true"]::after{content:"✓";position:absolute;top:4px;right:7px;font-size:10px;color:var(--accent)}
.preset-card-name{font:500 10px/1.2 var(--font-ui);color:var(--muted)}
.preset-card-sample{font-size:17px;line-height:1.3}
.preset-sample-anthology{font-family:"OD Anthology Serif","Huiwen Mincho","Noto Serif SC",serif}
.preset-sample-oldpress{font-family:"OD Anthology Serif","Huiwen Mincho","Noto Serif SC",serif;letter-spacing:.01em}
.preset-sample-typescript{font-family:"OD Typescript","Special Elite","Zhuque Fangsong",serif}
.preset-sample-correspondence{font-family:"OD Correspondence","Zhuque Fangsong","IM Fell English",serif}
.aa-accordion{margin-top:10px;border-top:1px solid var(--line)}
.aa-accordion>summary{display:flex;align-items:center;min-height:48px;cursor:pointer;list-style:none;font:500 13px/1.3 var(--font-ui);color:var(--ink)}
.aa-accordion>summary::-webkit-details-marker{display:none}
.aa-accordion>summary::after{content:"›";margin-left:auto;color:var(--muted);transform:rotate(90deg);transition:transform .15s}
.aa-accordion[open]>summary::after{transform:rotate(-90deg)}
.aa-accordion>.pref-row{margin-bottom:10px}
.aa-reset{display:block;margin:16px 0 2px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;color:var(--muted);padding:9px 14px;cursor:pointer;font:12px/1 var(--font-ui)}
.aa-reset:hover{border-color:var(--accent);color:var(--ink)}
.pref-row{display:flex;align-items:center;gap:7px;margin-bottom:9px}
.pref-row:last-child{margin-bottom:0}
.pref-label{flex:none;width:58px;color:var(--muted);font-size:11px}
.pref-row select{flex:1;min-width:0;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:4px 6px}
.pref-row .ghost{padding:4px 12px}

/* ── Search source selector ── */
#searchSource{display:block;width:calc(100% - 32px);margin:0 16px 8px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:5px 8px;font-size:11.5px}
.pref-row-toggle{border-top:1px solid var(--line);padding-top:9px}
.pref-row-toggle+.pref-row-toggle{border-top:0;padding-top:0}
.pref-row-toggle label{display:flex;align-items:center;gap:7px;color:var(--ink);font-size:12px;cursor:pointer}

/* ── Favorites and tags ── */
.organize-tools{display:flex;align-items:center;gap:6px;padding:0 14px 8px;font:10px/1.3 ui-sans-serif,system-ui,sans-serif}
.organize-tools button{flex:none;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);padding:5px 8px;cursor:pointer}
.organize-tools button:hover{border-color:var(--accent);color:var(--ink)}
.organize-tools button[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:600;background:var(--user)}
.organize-tools select{flex:1;min-width:0;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);padding:5px 7px}
.conv-star{font-size:11px}
.conv-tag{display:inline-block;margin-left:4px;padding:1px 6px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--muted);font-size:9px;vertical-align:middle}
.tag-editor{width:min(92vw,280px)}
.tag-editor-title{width:auto;margin-bottom:8px}
.tag-chips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:9px}
.tag-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 6px 3px 9px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);font-size:11.5px}
.tag-chip button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:0 2px;font-size:10px;line-height:1}
.tag-chip button:hover{color:#b33224}
.tag-empty{color:var(--muted);font-size:11px}
#tagInput{display:block;width:100%;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:6px 9px;font-size:12px;outline:none}
#tagInput:focus{border-color:var(--accent)}
.tag-suggestions{display:flex;flex-wrap:wrap;align-items:center;gap:5px;margin-top:9px}
.tag-suggest-label{color:var(--muted);font-size:10px}
.tag-suggest{border:1px dashed var(--line);border-radius:999px;background:transparent;color:var(--muted);padding:2px 8px;cursor:pointer;font-size:10.5px}
.tag-suggest:hover{border-color:var(--accent);color:var(--accent)}

/* ── Export menu ── */
.export-menu{width:min(92vw,250px)}
.export-menu button{display:block;width:100%;margin-bottom:6px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:8px 10px;cursor:pointer;font-size:12px;text-align:left}
.export-menu button:hover{border-color:var(--accent)}
.export-note{margin:4px 0 0;color:var(--muted);font-size:10px;line-height:1.6}

/* ── Bundled reading fonts ──
   Loaded only when selected (browsers fetch a face on first use). A missing
   file falls back to the system stack without breaking anything — the same
   contract the standalone Mufy reader proved. kinghwa-oldsong ships as a
   documented local-only font (too heavy for the repo); see fonts/README.md. */
/* ── Phone bottom sheets ──
   Declared after the base panel styles so the sheet placement wins the
   cascade: secondary tools (Aa, tags, export, more) and the annotation
   editor become bottom sheets capped at 76dvh with a 16px top radius. */
@media (max-width:760px){
  .reader-prefs-panel{position:fixed;left:0;right:0;bottom:0;top:auto;width:100%;max-width:none;box-sizing:border-box;max-height:76dvh;overflow-y:auto;border-radius:16px 16px 0 0;border-bottom:0;box-shadow:var(--shadow-sheet);padding:20px 22px calc(20px + env(safe-area-inset-bottom))}
  .annotation-editor{position:fixed;left:0;right:0;bottom:0;top:auto;width:100%;box-sizing:border-box;max-height:76dvh;overflow-y:auto;border-radius:16px 16px 0 0;box-shadow:var(--shadow-sheet);padding-bottom:calc(14px + env(safe-area-inset-bottom))}
}

/* ── Composite print-preset families ──
   Each preset family is two unicode-ranged faces sharing one name: a Latin
   face for U+0000-024F and a CJK face covering Han, full-width punctuation,
   and Chinese quotation marks — so mixed paragraphs pair correctly without
   wrapping Latin runs in <span lang>. The CJK face is declared second so it
   wins the overlapping interpunct (U+00B7). A missing font file falls through
   to the plain families behind it in the preset stack. */
@font-face{font-family:"OD Anthology Serif";src:url("fonts/im-fell-english/IMFellEnglish-Regular.ttf") format("truetype");unicode-range:U+0000-024F;font-display:swap}
@font-face{font-family:"OD Anthology Serif";src:url("fonts/huiwen-mincho/huiwen-mincho.otf") format("opentype");unicode-range:U+00B7,U+2014,U+2018-2019,U+201C-201D,U+2026,U+3000-303F,U+3400-4DBF,U+4E00-9FFF,U+F900-FAFF,U+FF00-FFEF;font-display:swap}
@font-face{font-family:"OD Typescript";src:url("fonts/special-elite/SpecialElite-Regular.ttf") format("truetype");unicode-range:U+0000-024F;font-display:swap}
@font-face{font-family:"OD Typescript";src:url("fonts/zhuque-fangsong/ZhuqueFangsong-Regular.ttf") format("truetype");unicode-range:U+00B7,U+2014,U+2018-2019,U+201C-201D,U+2026,U+3000-303F,U+3400-4DBF,U+4E00-9FFF,U+F900-FAFF,U+FF00-FFEF;font-display:swap}
@font-face{font-family:"OD Correspondence";src:url("fonts/im-fell-english/IMFellEnglish-Regular.ttf") format("truetype");unicode-range:U+0000-024F;font-display:swap}
@font-face{font-family:"OD Correspondence";src:url("fonts/zhuque-fangsong/ZhuqueFangsong-Regular.ttf") format("truetype");unicode-range:U+00B7,U+2014,U+2018-2019,U+201C-201D,U+2026,U+3000-303F,U+3400-4DBF,U+4E00-9FFF,U+F900-FAFF,U+FF00-FFEF;font-display:swap}

@font-face{font-family:"Huiwen Mincho";src:url("fonts/huiwen-mincho/huiwen-mincho.otf") format("opentype");font-display:swap}
@font-face{font-family:"Zhuque Fangsong";src:url("fonts/zhuque-fangsong/ZhuqueFangsong-Regular.ttf") format("truetype");font-display:swap}
@font-face{font-family:"KingHwa OldSong";src:url("fonts/kinghwa-oldsong/kinghwa-oldsong.ttf") format("truetype");font-display:swap}
@font-face{font-family:"IM Fell English";src:url("fonts/im-fell-english/IMFellEnglish-Regular.ttf") format("truetype");font-display:swap}
@font-face{font-family:"IM Fell English";src:url("fonts/im-fell-english/IMFellEnglish-Italic.ttf") format("truetype");font-style:italic;font-display:swap}
@font-face{font-family:"Special Elite";src:url("fonts/special-elite/SpecialElite-Regular.ttf") format("truetype");font-display:swap}

/* ── Document mode (personal archive) ──
   Presentation-only: a personal document reads as a page, not a transcript.
   app.js toggles body.document-mode from the explicit
   contentKind === "personal-document" marker — never inferred from shape.
   Chat conversations keep every piece of their chrome. */
body.document-mode .message-who{display:none}
body.document-mode .message-time{display:none}