/* A single document workspace with only reading, navigation and scale controls. */
.sr-reader {
  --reader-navy:#173b67; --reader-line:#d3dce6;
  position:fixed; inset:0; z-index:60; height:100dvh; isolation:isolate;
  display:grid; grid-template-columns:minmax(0,1fr); grid-template-rows:auto minmax(0,1fr) auto;
  background:#e9edf2; color:#1c304d; font-size:16px;
}
.sr-reader * {box-sizing:border-box}
.sr-reader button,.sr-reader a {font-weight:700}
.sr-reader button {border:0;background:transparent;color:inherit;cursor:pointer}
.sr-reader button:hover:not(:disabled),.sr-back:hover {background:#edf2f7}
.sr-reader button:disabled {color:#a8b3c1;cursor:default}
.sr-reader :is(button,a,select):focus-visible {outline:2px solid #185cba;outline-offset:-2px}
.sr-reader svg {width:20px;height:20px;flex-shrink:0}
.sr-header {grid-column:1;grid-row:1;display:flex;align-items:center;gap:12px;min-height:64px;padding:6px 20px;padding-top:calc(6px + env(safe-area-inset-top,0px));background:#fff;border-bottom:1px solid var(--reader-line)}
.sr-back {width:44px;height:44px;flex:none;display:grid;place-items:center;border-radius:6px;color:var(--reader-navy)}
.sr-heading {min-width:0;flex:1}
.sr-reader .sr-heading h1 {margin:0;font-size:18px;line-height:1.4;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sr-reader .sr-protection-note {display:flex;align-items:center;gap:3px;min-height:24px;max-width:100%;padding:0;text-align:left;font-size:12px;line-height:1.5;font-weight:500;color:#50647d;word-break:keep-all}
.sr-protection-note svg {width:12px;height:12px}
.sr-reader .sr-end {min-width:44px;min-height:44px;padding:0 8px;border-radius:6px;font-size:14px}
.sr-reader .sr-workspace {grid-column:1;grid-row:2;min-height:0;min-width:0;overflow:auto;overscroll-behavior:contain;padding:12px 16px;outline:none;background:#e9edf2;scrollbar-width:thin;scrollbar-color:#96a7bd #e9edf2;scrollbar-gutter:auto;touch-action:none;cursor:grab}
.sr-workspace:active {cursor:grabbing}
.sr-pages {display:flex;align-items:flex-start;justify-content:center;gap:16px;width:max-content;min-width:100%}
.sr-paper {width:var(--paper-width,700px);flex:none;min-height:0;aspect-ratio:1/1.4143;background:#fff;box-shadow:0 2px 10px #18345712;line-height:0;user-select:none;-webkit-user-select:none}
.sr-paper img {display:block;width:100%;height:auto;pointer-events:none}
.sr-paper img[hidden] {display:none}
.sr-page-loading {aspect-ratio:1/1.4143;display:grid;place-items:center;font-size:15px;line-height:1.6;color:#5c708a}
.sr-page-loading>span {padding:30px}
.sr-page-loading:has(img) {display:block}
.sr-paper:has(img),.sr-page-loading:has(img) {aspect-ratio:auto}
.sr-image-error {padding:40px 20px;font-size:16px;line-height:1.8;text-align:center;color:#344e70}
.sr-image-error button {display:block;min-height:44px;margin:20px auto;padding:10px 16px;border:1px solid #aabbd1;border-radius:6px}
.sr-paged-mode .sr-pages {min-height:100%;align-items:center}
.sr-paged-mode:not(.sr-zoomed) .sr-workspace {overflow:hidden;cursor:default}
.sr-scroll-mode .sr-pages {flex-direction:column;align-items:center}
.sr-scroll-mode:not(.sr-zoomed) .sr-workspace {touch-action:pan-y;cursor:auto}
.sr-away .sr-paper {visibility:hidden}

/* Desktop: mode, page, scale. Mobile: compact tools above one navigation row. */
.sr-controls {grid-column:1;grid-row:3;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;min-height:64px;padding:8px 20px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px));background:#fff;border-top:1px solid var(--reader-line)}
.sr-reading-tools {display:contents}
.sr-controls button {display:flex;align-items:center;justify-content:center;gap:5px;min-height:44px;min-width:44px;padding:0 10px;border-radius:5px;font-size:14px;white-space:nowrap}
.sr-layout-buttons {grid-column:1;grid-row:1;justify-self:start;display:flex;align-items:center;gap:2px;padding:2px;border:1px solid var(--reader-line);border-radius:7px;background:#f1f4f8}
.sr-controls .sr-layout-buttons button {min-width:80px;min-height:38px;flex:1;border-radius:4px;color:#53677f}
.sr-reader .sr-layout-buttons button[aria-pressed=true],.sr-reader .sr-layout-buttons button[aria-pressed=true]:hover {background:var(--reader-navy);color:#fff}
.sr-zoom-tools {grid-column:3;grid-row:1;justify-self:end;display:flex;align-items:center;height:44px;border:1px solid var(--reader-line);border-radius:7px;padding:0 1px}
.sr-controls .sr-zoom-tools button {min-height:40px}
.sr-controls .sr-fit {min-width:56px;flex:1;border-right:1px solid #e4e9f0;border-left:1px solid #e4e9f0;border-radius:0;color:var(--reader-navy);font-variant-numeric:tabular-nums}
.sr-page-controls {grid-column:2;grid-row:1;display:flex;align-items:center;justify-content:center;gap:12px}
.sr-page-controls>button {min-width:72px;border:1px solid var(--reader-line)}
.sr-page-controls>button:disabled {border-color:#e7ebf1;background:#f8fafc;color:#9aa7b8}
.sr-page-controls label {display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:14px;font-weight:700;color:#53677f;font-variant-numeric:tabular-nums}
.sr-page-controls select {width:64px;min-height:44px;border:1px solid var(--reader-line);border-radius:5px;padding:0 8px;background:#fff;color:var(--reader-navy);font-family:inherit;font-size:16px;font-weight:700;cursor:pointer}
.sr-print-notice {display:none}

/* Authorization and the required entry notice remain outside the document. */
.sr-reader.sr-gate {display:block;overflow:auto;background:#f1f4f8}
.sr-return {display:inline-flex;align-items:center;gap:8px;margin:24px;font-size:15px}
.sr-reader .sr-access {max-width:580px;margin:20px auto 50px;padding:36px;background:#fff;border:1px solid var(--reader-line);border-radius:12px;text-align:left}
.sr-access-icon {display:grid;place-items:center;width:56px;height:56px;background:#eaf0f7;border-radius:12px;margin:0 0 22px}
.sr-reader .sr-access h1 {font-size:26px;font-weight:800;line-height:1.4;margin:0 0 20px;word-break:keep-all;outline:none}
.sr-reader .sr-access p {font-size:16px;line-height:1.9;color:#526981}
.sr-reader .sr-primary {min-height:52px;width:100%;background:#185cba;color:#fff;border-radius:6px;padding:12px 20px;font-size:17px}
.sr-reader .sr-access>a {display:block;padding:14px 0 0;text-align:center;color:#185cba;font-size:15px;text-decoration:underline;text-underline-offset:4px}
.sr-reader .sr-access>a.sr-primary {display:flex;align-items:center;justify-content:center;padding:12px 20px;color:#fff;text-decoration:none}
.sr-reader-notice-copy>p {font-size:15px;line-height:1.8;color:#405775;margin:0 0 18px;word-break:keep-all;overflow-wrap:anywhere}
.sr-reader-notice-copy ul {margin:0 0 22px;padding:0 0 0 20px;font-size:15px;line-height:1.8;color:#304967}
.sr-reader-notice-copy li+li {margin-top:10px}
.sr-reader .sr-access .sr-notice-foot,.sr-reader-notice-copy .sr-notice-foot {padding-top:16px;border-top:1px solid #dce3ec;font-size:13px;line-height:1.7;color:#596c83;margin-bottom:24px}
.sr-reader .sr-access .sr-access-reminder {font-size:12px;text-align:center;margin:12px 0 0;line-height:1.6;color:#5d6e84}
.sr-access-retry {display:block;min-height:44px;margin:10px auto 0;padding:10px 16px;background:none;border:0;color:#33577e;font-size:15px}
.sr-reader .sr-access .sr-access-error {padding:12px 14px;margin:0 0 20px;border:1px solid #d5a9a9;border-radius:6px;background:#fff7f7;color:#8d3131;font-size:14px;line-height:1.7}
#dialog:has(.sr-reader-notice-copy) {max-height:calc(100dvh - 32px);overflow:auto}
.sr-reader.sr-gate>.sdi-gate {width:calc(100% - 32px);max-width:680px;margin:20px auto 48px}

@media(max-width:700px) {
  .sr-header {padding-right:8px;padding-left:8px;gap:8px}
  .sr-reader .sr-heading h1 {font-size:16px}
  .sr-reader .sr-protection-note {font-size:11px}
  .sr-reader .sr-workspace {padding:8px}
  .sr-controls {grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:44px 44px;gap:4px 12px;min-height:0;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px))}
  .sr-layout-buttons {width:100%}
  .sr-controls .sr-layout-buttons button {min-width:0;padding:0 5px;font-size:13px}
  .sr-zoom-tools {grid-column:2;grid-row:1;width:100%}
  .sr-controls .sr-zoom-tools button {min-width:40px;padding:0 6px}
  .sr-controls .sr-fit {min-width:48px;font-size:13px}
  .sr-page-controls {grid-column:1/-1;grid-row:2;justify-content:space-between;gap:8px}
  .sr-page-controls>button {min-width:80px;min-height:40px}
  .sr-page-controls select {min-height:40px}
  .sr-reader .sr-access {margin:0 16px 24px;padding:26px 22px}
  .sr-reader .sr-access h1 {font-size:23px}
  .sr-access .sr-access-icon {width:48px;height:48px;margin-bottom:18px}
  .sr-reader .sr-access p {font-size:15px;line-height:1.75}
  .sr-access .sr-reader-notice-copy ul {font-size:14px;line-height:1.8;padding-left:20px}
}
@media(prefers-reduced-motion:no-preference) {
  .sr-paged-mode .sr-paper {animation:sr-page-enter 180ms ease-out}
  @keyframes sr-page-enter {from{opacity:.7;transform:translateX(6px)}to{opacity:1;transform:none}}
}
@media print {
  body:has(.sr-protected) #app * {visibility:hidden!important}
  .sr-protected .sr-print-notice {display:block!important;visibility:visible!important;position:fixed;inset:40px;color:black;background:white;font-size:20px}
}

/* Shared institutional notice. DESIGN.md / design-tokens.css are authoritative. */
.sr-reader.sr-gate:has(.sr-copyright-notice) {background:var(--srl-color-page);font-family:var(--srl-font-ui)}
.sr-gate:has(.sr-copyright-notice) .sr-return {display:flex;width:calc(100% - 48px);max-width:var(--srl-notice-width);margin:var(--srl-space-6) auto;color:var(--srl-color-muted);font-size:var(--srl-text-caption)}
.sr-reader .sr-copyright-notice {width:calc(100% - 48px);max-width:var(--srl-notice-width);margin:var(--srl-space-10) auto var(--srl-space-12);padding:0;border:0;border-radius:0;background:var(--srl-color-page);box-shadow:none}
.sr-reader .sr-copyright-notice .sr-notice-heading {margin:0 0 var(--srl-space-3);color:var(--srl-color-muted);font-size:var(--srl-text-caption);font-weight:var(--srl-weight-body)}
.sr-reader .sr-copyright-notice h1 {margin:0 0 var(--srl-space-6);padding:0 0 var(--srl-space-6);border-bottom:var(--srl-notice-rule);font-size:var(--srl-text-title);line-height:var(--srl-line-heading);font-weight:var(--srl-weight-heading);letter-spacing:-.035em;color:var(--srl-color-heading)}
.sr-reader .sr-copyright-notice .sr-reader-notice-copy>p:not(.sr-notice-foot) {color:var(--srl-color-text);font-size:var(--srl-text-body);line-height:var(--srl-line-body)}
.sr-copyright-notice .sr-reader-notice-copy ul {color:var(--srl-color-text);margin-bottom:var(--srl-space-6)}
.sr-notice-legal {margin:var(--srl-space-6) 0;padding:var(--srl-space-6) 0;border-top:1px solid var(--srl-color-rule);border-bottom:1px solid var(--srl-color-rule);background:transparent}
.sr-reader-notice-copy .sr-notice-legal h2,.sr-reader-notice-copy .sr-notice-trace h2 {margin:0 0 var(--srl-space-2);font-size:var(--srl-text-body);line-height:var(--srl-line-heading);font-weight:var(--srl-weight-heading);letter-spacing:-.025em}
.sr-reader-notice-copy .sr-notice-legal h2 {color:var(--srl-color-warning)}
.sr-reader .sr-access .sr-notice-legal p,.sr-reader-notice-copy .sr-notice-legal p,.sr-reader .sr-access .sr-notice-trace p,.sr-reader-notice-copy .sr-notice-trace p {margin:0;font-size:16px;line-height:var(--srl-line-body);color:var(--srl-color-text);word-break:keep-all;overflow-wrap:anywhere}
.sr-notice-trace {margin:var(--srl-space-6) 0;color:var(--srl-color-heading)}
.sr-reader .sr-copyright-notice .sr-notice-foot,.sr-reader-notice-copy .sr-notice-foot {border:0;padding:0;font-size:var(--srl-text-caption);line-height:var(--srl-line-body);color:var(--srl-color-muted);margin:0 0 var(--srl-space-8)}
.sr-reader .sr-copyright-notice .sr-primary {min-height:var(--srl-button-height);background:var(--srl-button-bg);color:var(--srl-button-text);border-radius:var(--srl-button-radius);font-size:var(--srl-text-body)}
.sr-reader .sr-copyright-notice .sr-primary:hover:not(:disabled) {background:var(--srl-button-hover-bg);color:var(--srl-button-text)}
.sr-reader .sr-copyright-notice .sr-primary:disabled {background:var(--srl-button-bg);color:var(--srl-button-text);opacity:.6}
.sr-reader .sr-protection-note {color:var(--srl-color-warning);font-weight:700}
.sr-reader .sr-protection-note:hover {background:var(--srl-color-surface)}
@media(max-width:600px){
  .sr-reader .sr-copyright-notice {width:calc(100% - 32px);margin:var(--srl-space-6) auto var(--srl-space-8);padding:0}
  .sr-gate:has(.sr-copyright-notice) .sr-return {width:calc(100% - 32px)}
  .sr-reader .sr-copyright-notice h1 {font-size:var(--srl-text-title-mobile);padding-bottom:var(--srl-space-5)}
  .sr-reader .sr-copyright-notice .sr-reader-notice-copy>p:not(.sr-notice-foot),.sr-reader .sr-access .sr-notice-legal p,.sr-reader .sr-access .sr-notice-trace p {font-size:16px}
}