/* Scope all changes to support and books. Navy + gold on white / light grey; no beige surfaces. */
.su-root{--su-ink:var(--vd-ink,#172d49);--su-paper:var(--vd-card,#fff);--su-soft:var(--vd-soft,#f1f4f8);--su-line:var(--vd-line,#dce3ec);--su-muted:var(--vd-muted,#617086);--su-navy:#20334b;--su-gold:#bb963e;--su-gold-ink:#7a5e2c;--su-alert:#a83c36;color:var(--su-ink);width:100%;max-width:1400px;margin:auto}
html[data-appearance=dark] .su-root{--su-navy:#3a5378;--su-gold-ink:#e4c778;--su-alert:#e07a72}
.su-root *{box-sizing:border-box}.su-root button,.su-root input,.su-root select,.su-root textarea{font:inherit;color:inherit;border:1px solid var(--su-line);border-radius:10px;background:var(--su-paper);padding:10px 14px;min-height:44px;max-width:100%}.su-root button{cursor:pointer}.su-root button:disabled{cursor:default;opacity:.5}.su-root :focus-visible,.su-notice :focus-visible{outline:3px solid var(--su-gold,#bb963e);outline-offset:3px}
.su-root .su-primary,.su-categories button[aria-pressed=true],.su-root button[type=submit]{background:var(--su-navy);color:#fff;border-color:var(--su-navy);font-weight:650}
.su-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.su-heading h1{font-size:28px;margin:6px 0}.su-heading p{margin:0;color:var(--su-muted);line-height:1.6}.su-eyebrow{font-size:11px;letter-spacing:.15em;font-weight:700;color:var(--su-gold-ink)}
.su-stats{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.su-stat{display:inline-flex;align-items:baseline;gap:6px;padding:8px 14px;border:1px solid var(--su-line);border-radius:999px;background:var(--su-paper);font-size:13px;color:var(--su-muted)}.su-stat b{font-size:17px;color:var(--su-ink)}.su-stat-pending b{color:var(--su-alert)}.su-stat-unread{border-color:var(--su-gold)}.su-stat-unread b{color:var(--su-gold-ink)}
.su-categories{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.su-filters{display:flex;gap:10px;margin-bottom:18px}.su-filters label:first-child{flex:1}.su-filters input{width:100%}
.su-list{display:grid;gap:9px}.su-root .su-row{position:relative;display:flex;width:100%;align-items:center;text-align:left;gap:16px;padding:18px 18px 18px 20px;background:var(--su-paper);border-radius:12px}.su-root .su-row:hover{border-color:var(--su-navy)}
.su-root .su-row.su-pending{border-left:4px solid var(--su-alert);padding-left:17px}.su-root .su-row.su-unread{background:#f6f8fb}html[data-appearance=dark] .su-root .su-row.su-unread{background:#22324a}.su-root .su-row.su-done .su-row-title strong{font-weight:500}
.su-row-title{min-width:0;flex:1;display:grid;gap:8px;overflow-wrap:anywhere}.su-row-title strong{display:flex;align-items:center;gap:8px;font-weight:750}.su-row-title small,.su-meta{color:var(--su-muted);font-size:12px}.su-row-state{display:flex;gap:6px;align-items:center;flex-shrink:0}
.su-dot{width:8px;height:8px;border-radius:50%;background:var(--su-gold);flex-shrink:0}.su-new{font-size:11px;font-weight:800;color:var(--su-gold-ink);border:1px solid var(--su-gold);border-radius:6px;padding:3px 7px;white-space:nowrap}
.su-tag,.su-status{font-size:12px;white-space:nowrap;border-radius:7px;padding:5px 9px;font-weight:650;flex-shrink:0}.su-tag{background:var(--su-soft);color:var(--su-ink)}.su-tag-inquiry{background:#e8eef6;color:#20334b}.su-tag-appeal{background:#fff;color:#7a5e2c;box-shadow:inset 0 0 0 1px #bb963e}.su-tag-rating{background:#e6f1ef;color:#245a52}
html[data-appearance=dark] .su-tag-inquiry{background:#2b3f5c;color:#d7e3f4}html[data-appearance=dark] .su-tag-appeal{background:transparent;color:#ecd18d}html[data-appearance=dark] .su-tag-rating{background:#24443f;color:#bfe3dc}
.su-status-wait{color:var(--su-alert);background:transparent;border:1px solid currentColor}.su-status-done{color:var(--su-muted);background:var(--su-soft)}
.su-pager{display:flex;align-items:center;gap:8px;margin-top:18px}.su-pager>span{margin-right:auto;color:var(--su-muted)}
.su-detail{padding:26px 28px;border:1px solid var(--su-line);border-radius:16px;background:var(--su-paper);margin-top:12px}.su-detail-head{border-bottom:1px solid var(--su-line);padding-bottom:14px}.su-chips{display:flex;gap:6px;flex-wrap:wrap}.su-detail h2{font-size:23px;margin:12px 0 6px;overflow-wrap:anywhere}
/* Chat bubbles: same message cards as the existing support thread, laid out as a conversation. */
.su-root .su-thread{display:grid;gap:14px;margin:22px 0 10px}.su-msg{display:flex;align-items:flex-end;gap:10px}.su-msg.su-mine{justify-content:flex-end}.su-msg.su-mine .support-message{border-bottom-right-radius:4px}.su-msg.su-theirs .support-message{border-bottom-left-radius:4px}
.su-root .support-message{margin:0;padding:14px 18px;border-radius:16px;max-width:min(680px,82%);min-width:min(260px,100%);background:var(--su-soft);border:1px solid var(--su-line);color:var(--su-ink)}.su-root .support-message strong{display:block;font-size:12px;color:var(--su-muted);font-weight:700}.su-root .support-message p,.su-preserved{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;margin:6px 0}.su-root .support-message time{display:block;font-size:11px;color:var(--su-muted);text-align:right}
.su-root .su-msg.su-mine .support-message{background:var(--su-navy);border-color:var(--su-navy);color:#fff}.su-root .su-msg.su-mine .support-message :is(strong,time){color:#d5deea}
.su-root .su-academy .support-message{background:var(--su-paper);border-color:var(--su-gold);box-shadow:0 4px 14px #13253c12}.su-root .su-academy .support-message strong{color:var(--su-gold-ink)}.su-root .su-msg.su-mine.su-academy .support-message{background:var(--su-navy);border-color:var(--su-navy)}.su-root .su-msg.su-mine.su-academy .support-message strong{color:#ecd18d}
.su-avatar{width:34px;height:34px;flex-shrink:0;border-radius:50%;background:var(--su-navy);color:#ecd18d;display:grid;place-items:center;font-weight:800;font-size:14px;order:0}.su-msg.su-mine .su-avatar{order:2}
.su-history{border:1px dashed var(--su-line);border-radius:12px;padding:10px 14px;display:grid;gap:12px}.su-history summary{cursor:pointer;color:var(--su-muted);font-size:13px}.su-old{opacity:.85}
.su-end{text-align:center;margin:8px 0 20px;display:grid;justify-items:center;gap:8px}.su-end>span{display:flex;align-items:center;gap:12px;width:100%;color:var(--su-muted);font-size:12px}.su-end>span::before,.su-end>span::after{content:"";flex:1;height:1px;background:#c3cdd9}.su-end p{margin:0;color:var(--su-muted);font-size:14px}
.su-waiting{display:flex;align-items:center;gap:10px;margin:4px 0 20px 44px;color:var(--su-muted);font-size:13px}.su-dots{display:inline-flex;gap:4px;padding:10px 12px;border-radius:14px;background:var(--su-soft)}.su-dots i{width:6px;height:6px;border-radius:50%;background:var(--su-muted);animation:su-blink 1.4s infinite}.su-dots i:nth-child(2){animation-delay:.2s}.su-dots i:nth-child(3){animation-delay:.4s}@keyframes su-blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.su-context{border-top:1px solid var(--su-line);padding:16px 0;margin-bottom:12px}.su-context summary{cursor:pointer;font-weight:650}.su-context dl>div{display:grid;grid-template-columns:minmax(110px,1fr) 3fr;gap:10px;margin:10px 0}.su-context dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.su-context dt{overflow-wrap:anywhere;color:var(--su-muted)}
.su-tip{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px;border-radius:10px;background:var(--su-soft);font-size:13px;color:var(--su-muted)}
.su-root form.su-composer{margin-top:20px;display:grid;gap:10px;padding:18px;border:1px solid var(--su-line);border-radius:14px;background:var(--su-soft)}.su-composer label{font-weight:750;display:grid;gap:4px}.su-composer label small{font-weight:400;color:var(--su-muted)}.su-root textarea{width:100%;resize:vertical;line-height:1.6;background:var(--su-paper)}.su-composer-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.su-composer-bar .su-error{flex:1;margin:0}.su-count{font-size:12px;color:var(--su-muted)}
.su-error{color:#bd3535;white-space:pre-wrap}.su-closed,.su-empty,.su-loading{padding:20px;background:var(--su-soft);border-radius:10px}
.su-badge{display:inline-flex;align-items:center;justify-content:center;min-width:21px;height:21px;padding:0 5px;background:#a83c36;color:#fff;border-radius:12px;margin-left:8px;font-size:11px;font-weight:700;box-shadow:0 0 0 2px var(--vd-card,#fff)}
.su-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.su-legacy[hidden],[data-su-hidden][hidden]{display:none!important}
.su-notice{position:fixed;right:20px;top:90px;z-index:12000;background:var(--vd-card,#fff);color:var(--vd-ink,#172d49);border:1px solid var(--vd-line,#dce3ec);border-top:4px solid #bb963e;border-radius:16px;box-shadow:0 12px 40px #13253c26;padding:20px;width:min(360px,calc(100vw - 24px));box-sizing:border-box}.su-notice p{line-height:1.5}.su-notice button{border:0;background:#20334b;color:white;padding:10px 14px;border-radius:8px;min-height:44px;cursor:pointer;margin-right:8px}.su-notice .su-quiet{background:transparent;color:inherit}
/* Book shelf: wider grid. */
html.vx-ui .content:has(.book-library-heading) .book-grid{width:100%;grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:20px!important}
html.vx-ui .content:has(.book-library-heading) .book-library-filter{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.book-library-filter .book-search{min-width:0;max-width:100%}
/* Reading room: the reader, study and audio cards use the full book page width again
   (header and tabs already span it) instead of a narrow centred 820/900px column. */
.books-shell{--vt-book-reader-max:1180px}
.books-shell :is(.book-reader,.book-study-panel,.book-audio-panel,.book-history){max-width:var(--vt-book-reader-max)!important;width:100%;margin-inline:auto;box-sizing:border-box}
.books-shell .book-reader{padding:44px clamp(24px,4.5vw,64px)}
@media(max-width:1100px){html.vx-ui .content:has(.book-library-heading) .book-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}}
@media(max-width:760px){html.vx-ui .content:has(.book-library-heading) .book-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px!important}.books-shell .book-reader{padding:26px 18px}
 .su-heading{align-items:flex-start}.su-heading h1{font-size:24px}.su-heading>button{flex-shrink:0}.su-filters{flex-wrap:wrap}.su-filters label:first-child{flex-basis:100%}.su-root .su-row{display:grid;grid-template-columns:auto 1fr;gap:10px;padding:14px}.su-root .su-row.su-pending{padding-left:12px}.su-row-state{justify-self:end}.su-row-title{grid-column:1/-1;grid-row:2}.su-detail{padding:16px}.su-root .support-message{max-width:calc(100% - 44px);min-width:0}.su-msg.su-mine:not(.su-academy) .support-message{max-width:88%}.su-context dl>div{grid-template-columns:1fr;gap:4px}.su-notice{right:12px}.su-pager{flex-wrap:wrap}.su-waiting{margin-left:0}.su-composer-bar>button{flex:1}}
@media(prefers-reduced-motion:reduce){.su-root *{scroll-behavior:auto!important}.su-dots i{animation:none}}