/* Study annotations and Pulse: shared desktop/mobile layout. */
.ai-chat-panel,.ai-chat-thread,.ai-msg,.ai-msg>div{min-width:0;box-sizing:border-box}
.ai-review-popover{width:440px;height:560px;min-width:min(280px,calc(100vw - 24px));min-height:min(340px,calc(100dvh - 90px));max-width:calc(100vw - 24px);max-height:calc(100dvh - 90px);position:relative;overflow:visible}
.ai-chat-panel .ai-chat-thread{flex:1 1 auto;min-height:80px;max-height:none;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.ai-chat-panel:not(.ai-review-popover) .ai-chat-thread{height:420px;flex-basis:420px;max-height:65dvh}
.ai-chat-panel .ai-msg{max-width:100%;width:100%;overflow-wrap:break-word;word-break:normal}
.ai-chat-panel .ai-msg.user{width:fit-content;max-width:92%}
.ai-chat-panel .ai-md-table{display:table;table-layout:fixed;width:100%;max-width:100%;white-space:normal;overflow:visible}
.ai-chat-panel .ai-md-table th,.ai-chat-panel .ai-md-table td{white-space:normal;overflow-wrap:break-word;word-break:normal;min-width:0;vertical-align:top}
.ai-chat-panel .ai-md-table th:first-child{width:38%}
.ai-chat-panel .ai-md-math-inline{white-space:normal;overflow-wrap:anywhere}
.ai-msg a,.ai-msg code{overflow-wrap:anywhere;word-break:break-word}
.ai-chat-panel .ai-chat-input{flex:0 0 auto;grid-template-columns:minmax(0,1fr) auto}
.ai-chat-panel .ai-chat-input textarea{box-sizing:border-box;min-width:0}
.pulse-toolbar{display:flex;gap:6px;flex-wrap:wrap;align-items:center;flex:0 0 auto}
.pulse-toolbar .btn{padding:6px 9px;font-size:12px}
.pulse-toolbar select{flex:1;min-width:0;max-width:100%;padding:7px;border:1px solid var(--line);border-radius:7px;background:white;font:inherit;font-size:12px}
.pulse-history-list{display:grid;gap:7px;overflow:auto;min-height:80px;flex:1}
.pulse-history-row{text-align:left;white-space:normal;overflow-wrap:anywhere;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;cursor:pointer}
.pulse-history-row small{display:block;color:var(--muted);margin-top:4px}
.pulse-save-status{font-size:11px;color:var(--muted);min-height:15px;flex:0 0 auto}
.pulse-resize{position:absolute;z-index:2;touch-action:none;background:transparent}
.pulse-resize[data-edge=n],.pulse-resize[data-edge=s]{height:9px;left:10px;right:10px;cursor:ns-resize}
.pulse-resize[data-edge=n]{top:-5px}.pulse-resize[data-edge=s]{bottom:-5px}
.pulse-resize[data-edge=e],.pulse-resize[data-edge=w]{width:9px;top:10px;bottom:10px;cursor:ew-resize}
.pulse-resize[data-edge=e]{right:-5px}.pulse-resize[data-edge=w]{left:-5px}
.pulse-resize[data-edge=nw],.pulse-resize[data-edge=ne],.pulse-resize[data-edge=sw],.pulse-resize[data-edge=se]{width:16px;height:16px}
.pulse-resize[data-edge=nw]{top:-5px;left:-5px;cursor:nwse-resize}.pulse-resize[data-edge=ne]{top:-5px;right:-5px;cursor:nesw-resize}
.pulse-resize[data-edge=sw]{bottom:-5px;left:-5px;cursor:nesw-resize}.pulse-resize[data-edge=se]{bottom:-5px;right:-5px;cursor:nwse-resize;border-right:3px solid #7eaebc;border-bottom:3px solid #7eaebc;border-radius:0 0 7px 0}
.highlight-toolbar{display:flex;gap:7px;align-items:center;flex-wrap:wrap;padding:8px 10px;background:#f6f9fc;border:1px solid var(--line);border-radius:9px;margin:10px 0;user-select:none}
.highlight-toolbar .btn{padding:6px 10px;font-size:12px}
.highlight-swatch{width:27px;height:27px;border:2px solid transparent;border-radius:50%;cursor:pointer;box-shadow:inset 0 0 0 1px #0003}
.highlight-swatch[aria-pressed=true]{outline:2px solid #205b86;outline-offset:2px}
.highlight-toolbar .is-active{outline:2px solid #205b86}
.highlight-yellow,mark[data-highlight-color=yellow]{background:#ffeb7d;color:#18232d}
.highlight-green,mark[data-highlight-color=green]{background:#b9edb0;color:#18232d}
.highlight-red,mark[data-highlight-color=red]{background:#ffb3b3;color:#18232d}
.highlight-blue,mark[data-highlight-color=blue]{background:#b6dfff;color:#18232d}
mark[data-highlight-color]{padding:0;border-radius:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
[data-highlight-key]{user-select:text;-webkit-user-select:text}
.study-banner{padding:12px 14px;margin:12px 0;border-radius:8px;line-height:1.55;border-left:4px solid}
.study-banner.gold{background:#fff4cf;border-color:#c58a13;color:#69470b}
.study-banner.red{background:#ffeded;border-color:#cf4141;color:#8c2525}
@media(max-width:700px){.ai-review-popover{width:360px;height:500px;min-width:260px;max-height:calc(100dvh - 88px)}.ai-chat-panel .ai-chat-input{grid-template-columns:minmax(0,1fr)}.ai-chat-actions{justify-content:flex-end}.ai-chat-panel .ai-md-table th,.ai-chat-panel .ai-md-table td{padding:6px}.highlight-toolbar .small{flex-basis:100%}}