/* FUSA assistant: overlays preserve the article's original layout width. */
[hidden]{display:none!important}.ask-trigger{font:inherit;cursor:pointer;color:var(--gold);background:transparent;border:1px solid #5d492b;border-radius:3px;padding:12px 16px;text-align:left;line-height:1.5}.ask-trigger:hover{background:#201a10;border-color:var(--gold)}.ask-trigger small{display:block;color:#b8b1a3;font-size:12px;margin-top:3px}.hero-ask{display:block;margin-top:25px}.section-ask{display:block;margin:30px 0}.ask-launcher{position:fixed;z-index:61;right:24px;bottom:24px;display:flex;gap:14px;align-items:center;background:#17140e;border:1px solid #9a783e;color:#f0ece2;border-radius:4px;padding:14px 20px;box-shadow:0 8px 35px #0009;font:inherit;text-align:left;cursor:pointer}.ask-launcher strong{display:block;font-size:16px;font-weight:500}.ask-launcher small{display:block;font-size:12px;color:#c5bba7;margin-top:4px}.ask-mark{color:var(--gold);font-size:25px}.assistant-panel{position:fixed;z-index:70;background:#100f0c;color:#f0ece2;box-shadow:0 -15px 70px #0009;border:1px solid #675233;border-radius:8px;display:flex;flex-direction:column;overflow:hidden;min-width:0;--chat-muted:#b9b3a7}.assistant-panel[data-placement=bottom]{bottom:18px;left:24px;right:24px;height:min(590px,62dvh)}.assistant-panel[data-placement=side]{right:18px;top:100px;bottom:18px;width:min(550px,calc(100vw - 36px))}.assistant-panel[data-expanded=true]{inset:18px!important;width:auto!important;height:auto!important}.assistant-bar{flex-shrink:0;display:flex;align-items:center;gap:16px;padding:13px 20px;border-bottom:1px solid #ffffff14;background:#16130e}.assistant-brand{margin-right:auto;min-width:110px}.assistant-brand h2{font-size:18px;font-weight:500;margin:0;letter-spacing:.01em}.assistant-brand p{font-size:11px;color:var(--chat-muted);margin:5px 0 0}.placement-switch{display:flex;gap:2px;padding:3px;border:1px solid #ffffff22;border-radius:4px}.assistant-panel button,.assistant-panel select,.assistant-panel textarea{font:inherit}.placement-switch button,.assistant-tool{border:0;background:none;color:#beb7ab;font-size:12px;cursor:pointer;min-height:34px;padding:6px 10px;border-radius:2px}.placement-switch button[aria-pressed=true]{background:#41341f;color:#f0d49f}.assistant-tool:hover{background:#ffffff0d;color:white}.assistant-tool{border:1px solid #ffffff1c}.assistant-close{font-size:22px;line-height:1;min-width:36px}.assistant-main{min-height:0;flex:1;display:grid;grid-template-columns:250px minmax(0,1fr)}.assistant-intro{border-right:1px solid #ffffff14;padding:22px;overflow:auto}.assistant-intro h3{font-size:23px;font-weight:350;line-height:1.2;margin:0 0 12px;letter-spacing:-.02em}.assistant-intro p{font-size:13px;line-height:1.7;color:var(--chat-muted);margin:0 0 18px}.assistant-intro button{display:block;width:100%;border:0;border-top:1px solid #ffffff15;background:none;color:#e1b45a;font-size:13px;text-align:left;padding:13px 0;cursor:pointer;line-height:1.45}.assistant-intro button:hover{color:#ffe1a4}.assistant-intro .assistant-status{font-size:11px;color:#b9b3a7;margin-top:20px}.assistant-conversation{min-width:0;min-height:0;display:flex;flex-direction:column}.assistant-messages{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:20px max(24px,calc((100% - 790px)/2));scroll-behavior:auto}.chat-message{max-width:790px;margin:0 auto 24px;font-size:15px;line-height:1.75;overflow-wrap:anywhere}.chat-message p{margin:8px 0;white-space:pre-wrap}.chat-message .chat-byline{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin:0 0 6px}.chat-message[data-role=user]{padding:12px 16px;border-left:2px solid #675233;background:#ffffff05}.chat-message[data-role=user] .chat-byline{color:#aaa}.chat-message a{display:inline-block;font-size:13px;margin:6px 18px 0 0}.assistant-composer{flex-shrink:0;border-top:1px solid #ffffff14;padding:12px 22px 10px;background:#14120e}.assistant-options{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;font-size:11px;color:var(--chat-muted)}.assistant-options label{display:flex;align-items:center;gap:8px}.assistant-options select{background:#1d1912;color:#ddd5c5;border:1px solid #514330;border-radius:3px;padding:6px;font-size:12px;max-width:180px}.assistant-input-row{display:flex;align-items:end;gap:10px}.assistant-input-row textarea{min-width:0;flex:1;background:#090806;color:#f0ece2;border:1px solid #665232;border-radius:4px;resize:none;width:100%;height:54px;min-height:54px;max-height:100px;padding:13px 14px;line-height:1.5;font-size:14px}.assistant-input-row textarea::placeholder{color:#a7a08f}.assistant-send{flex-shrink:0;white-space:nowrap;background:#e1b45a;color:#181107;border:0;border-radius:3px;height:54px;padding:0 20px;cursor:pointer;font-size:13px!important;font-weight:600!important}.assistant-send:disabled{opacity:.5;cursor:wait}.assistant-footnote{font-size:10px;line-height:1.6;color:#b9b3a7;margin:7px 0 0}.assistant-footnote a{color:#c8b48b}.assistant-panel[data-placement=side]:not([data-expanded=true]) .assistant-main{grid-template-columns:1fr}.assistant-panel[data-placement=side]:not([data-expanded=true]) .assistant-intro{display:none}.assistant-panel[data-placement=side] .assistant-bar{gap:8px;padding:12px}.assistant-panel[data-placement=side] .assistant-brand h2{font-size:16px}.assistant-panel[data-placement=side] .assistant-brand p{font-size:10px}.assistant-panel[data-placement=side] .assistant-tool{padding:6px}.assistant-panel[data-placement=side] .placement-switch button{padding:6px}.assistant-panel[data-placement=side] .assistant-messages{padding:22px}.assistant-quick{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.assistant-quick button{font:inherit;font-size:12px;border:1px solid #5c482b;background:transparent;color:#e1b45a;padding:8px 10px;border-radius:3px;cursor:pointer}.assistant-error{color:#f1c88c}.assistant-panel :focus-visible,.ask-launcher:focus-visible{outline:2px solid #e1b45a;outline-offset:3px}.assistant-preview-note{font-size:11px;color:#b9b3a7;line-height:1.5}.assistant-panel .chat-status{font-size:12px;color:#c7b289;margin:8px 24px}.assistant-panel[data-busy=true] .assistant-send{opacity:.5}
@media(max-width:1024px){.assistant-panel,.assistant-panel[data-placement=bottom],.assistant-panel[data-placement=side],.assistant-panel[data-expanded=true]{inset:0!important;width:100%!important;height:100dvh!important;border:0;border-radius:0;padding-top:env(safe-area-inset-top)}.assistant-main{grid-template-columns:1fr}.assistant-intro,.placement-switch,.assistant-expand{display:none!important}.assistant-bar{padding:16px!important;gap:10px!important}.assistant-composer{padding:12px 16px max(10px,env(safe-area-inset-bottom))}.assistant-messages{padding:20px!important}.assistant-brand h2{font-size:18px!important}.assistant-brand p{font-size:11px!important}.assistant-options{align-items:start}.ask-launcher{right:16px;bottom:max(16px,env(safe-area-inset-bottom));padding:12px 15px}.assistant-options .assistant-preview-note{max-width:120px;text-align:right}.assistant-send{padding:0 14px}.chat-message{font-size:15px}.assistant-footnote{font-size:10px}.assistant-input-row textarea{font-size:16px}.assistant-close{font-size:24px!important}}
@media(prefers-reduced-motion:reduce){.assistant-panel *{scroll-behavior:auto!important}}

/* Shared prepared-answer and multilingual extensions. */
#fusa-assistant-root{--gold:#e1b45a;font-family:Arial,Helvetica,sans-serif}.chat-message{font-size:16px}.assistant-brand p,.assistant-footnote,.assistant-preview-note{font-size:12px}.assistant-intro p,.assistant-intro button,.assistant-quick button,.assistant-options{font-size:14px}.assistant-input-row textarea{font-size:16px}.assistant-panel .assistant-options{flex-wrap:wrap}.assistant-options button{background:transparent;border:1px solid #675233;color:#e1b45a;padding:5px 8px;cursor:pointer}.assistant-bar select{max-width:130px;background:#17140e;color:#f0ece2;border:1px solid #675233;padding:7px;font-size:14px}.prepared-answer{border:1px solid #675233;border-radius:3px;margin:12px 0;background:#ffffff03}.prepared-answer summary{cursor:pointer;font-size:16px;font-weight:500;padding:14px 16px;color:#efd7a8;line-height:1.5}.prepared-answer[open] summary{border-bottom:1px solid #675233}.prepared-body{padding:8px 16px 18px}.prepared-body p{white-space:normal}.prepared-body h4{font-size:15px;color:#d4c6ab;margin-bottom:5px}.prepared-body button{display:block;text-align:start;border:0;border-top:1px solid #51432a;background:transparent;color:#e1b45a;padding:10px 0;cursor:pointer;line-height:1.5;font-size:14px}.prepared-body table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;font-size:14px}.prepared-body td,.prepared-body th{border:1px solid #675233;padding:7px;text-align:start}.prepared-body math,.chat-message math{font-size:1.12em;max-width:100%;direction:ltr;unicode-bidi:isolate}.prepared-body math[display=block],.chat-message math[display=block]{display:block;overflow-x:auto;padding:15px 3px;margin:12px 0;text-align:center}.answer-language{color:#beb5a4;font-size:14px;font-style:italic}.assistant-panel[dir=rtl] .assistant-brand{margin-right:0;margin-left:auto}.assistant-panel[dir=rtl] .assistant-intro{border-right:0;border-left:1px solid #ffffff14}.assistant-panel[dir=rtl] .assistant-intro button{text-align:right}.assistant-panel[dir=rtl] .assistant-main{direction:rtl}.assistant-panel[dir=rtl] .assistant-conversation{direction:rtl}.assistant-panel[dir=rtl] .prepared-body{direction:ltr}.assistant-panel[dir=rtl] .chat-message[lang=ar]{direction:rtl;text-align:right}#fusa-assistant-root .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:600px){.assistant-options{gap:6px}.assistant-options button{font-size:12px}.assistant-brand p{display:none}.assistant-bar{gap:6px!important}.assistant-brand{min-width:95px}.chat-message{font-size:16px}.assistant-messages{padding:16px!important}.prepared-body{padding:6px 12px 14px}}
#fusa-assistant-root{position:relative;z-index:20020}.assistant-panel a{color:#e1b45a}.assistant-panel a:hover{color:#ffe1a4}
/* Composed answers keep complete released explanations and their mathematics. */
.prepared-part{border-top:1px solid #675233;padding-top:14px;margin-top:18px}.prepared-part h3{font-size:17px;line-height:1.5;font-weight:500;color:#efd7a8;margin:0}.prepared-part .prepared-body{padding:0}.prepared-links h4{font-size:15px;color:#d4c6ab}.prepared-links button{display:block;text-align:start;border:0;border-top:1px solid #51432a;background:transparent;color:#e1b45a;padding:10px 0;cursor:pointer;font-size:14px;line-height:1.5}.formula-source{font-size:13px;border:0;margin:0 0 18px;padding:0}.formula-source summary{font-size:13px!important;border:0!important;padding:4px 0!important;color:#bfb5a2;cursor:pointer}.formula-source pre{direction:ltr;text-align:left;unicode-bidi:isolate;white-space:pre-wrap;overflow-wrap:anywhere;background:#070605;padding:12px;max-width:100%}.formula-source button{font-size:13px;padding:6px 10px;border:1px solid #675233;border-radius:3px;background:transparent;color:#e1b45a;cursor:pointer}.assistant-panel[dir=rtl] .prepared-body[lang=ar]{direction:rtl}.fusa-consent{z-index:21000!important}body.fusa-consent-visible .ask-launcher{bottom:210px}
@media(max-width:600px){body.fusa-consent-visible .ask-launcher{bottom:320px}}