#stocks{background:#080808;color:#eee;max-width:1180px;margin:auto;padding:clamp(28px,6vw,72px) max(16px,4vw) 80px;min-height:100svh}
.stock-heading{max-width:780px;margin:0 auto 32px;text-align:center}.stock-heading h2{font-size:clamp(28px,5vw,48px);letter-spacing:-1px;line-height:1.2;margin:14px 0}.stock-heading p,.stock-lab-heading p{color:#a9a9a9;line-height:1.7;font-size:14px}
#stockProgress{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;margin:20px 0}#stockProgress progress{width:min(240px,100%);height:6px;accent-color:#b9c7cf}
.stock-button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:12px 18px;border:1px solid #555;background:#202020;color:#eee;border-radius:7px;font-size:14px;transition:background .2s,transform .2s}.stock-button:hover:not(:disabled){background:#343434;transform:translateY(-1px)}.stock-button:disabled{opacity:.45;cursor:not-allowed}
#stockGuides{display:grid;gap:12px}.stock-guide{background:#111;border:1px solid #303030;border-radius:9px;overflow:hidden}.stock-guide summary{display:flex;align-items:center;gap:14px;cursor:pointer;padding:20px;min-height:64px;list-style:none}.stock-guide summary::-webkit-details-marker{display:none}.stock-guide summary>span:nth-child(2){flex:1;font-size:16px}.stock-guide summary small{white-space:nowrap;color:#999}.stock-guide-index{font:14px monospace;color:#aaa}.stock-guide[open] summary{border-bottom:1px solid #333}.stock-lesson-row{display:grid;grid-template-columns:30px minmax(0,1fr) 20px;align-items:center;gap:10px;padding:18px 20px;width:100%;background:none;color:#ddd;text-align:left;border:0;border-bottom:1px solid #252525;min-height:56px;line-height:1.45;font-size:14px}.stock-lesson-row:last-child{border:0}.stock-lesson-row:disabled{color:#696969;cursor:not-allowed}.stock-lesson-row:not(:disabled):hover{background:#ffffff08}
body dialog.stock-lesson{padding:0;width:min(760px,calc(100% - 24px));max-width:760px;max-height:calc(100dvh - 32px);border:1px solid #494949;border-radius:10px;background:#111;color:#eee;overflow:hidden}body dialog.stock-lesson[open]{display:flex;flex-direction:column}.stock-lesson::backdrop{background:#000c;backdrop-filter:blur(4px)}.stock-dialog-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid #333;flex-shrink:0;font-size:11px;letter-spacing:1px}.stock-close{width:44px;height:44px;border:1px solid #444;border-radius:6px;background:#191919;color:#eee;font-size:28px}.stock-dialog-body{padding:clamp(18px,4vw,32px);overflow-y:auto;overscroll-behavior:contain;min-height:0}.stock-dialog-body h2{font-size:clamp(25px,5vw,38px);line-height:1.2;letter-spacing:-.7px;margin:12px 0 24px}.stock-dialog-body p{font-size:15px;color:#bdbdbd;line-height:1.8;margin:16px 0}.stock-example{padding:20px;background:#1a1a1a;border-left:2px solid #999;margin:24px 0}.stock-example p{margin-bottom:0}
#stockQuiz fieldset{padding:18px 0;border:0;border-top:1px solid #383838;margin:26px 0}#stockQuiz legend{font-weight:600;line-height:1.6;padding:0 0 12px}#stockQuiz label{display:flex;align-items:flex-start;gap:10px;background:#191919;border:1px solid #333;padding:14px;border-radius:6px;margin:8px 0;font-size:14px;line-height:1.6;cursor:pointer}#stockQuiz label:has(input:checked){border-color:#999;background:#292929}#stockQuiz input{margin-top:5px;accent-color:#bbb;flex:none}#stockQuiz label>span{color:#999}#stockQuiz .stock-feedback{font-size:14px;padding:14px;background:#202020;border:1px solid #444}
.stock-reading{border-top:1px solid #333;margin:24px 0;padding:18px 0;color:#aaa;font-size:13px;line-height:1.8}.stock-reading summary{cursor:pointer;min-height:32px}.stock-reading a{display:block;padding:8px 0;color:#ccc;overflow-wrap:anywhere}.stock-reading p{margin:12px 0}.stock-lab-heading{margin:48px 0 24px}.stock-lab-heading h3{font-size:30px;margin:12px 0}.stock-lab-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.stock-lab-controls label{display:grid;gap:8px;color:#aaa;font-size:12px;flex:1;min-width:110px}.stock-lab-controls input,.stock-lab-controls select{width:100%;min-height:46px;padding:10px;border:1px solid #555;background:#181818;color:#eee;border-radius:6px;font-size:16px}.stock-lab-controls input{max-width:180px}#optionTimer{font:24px monospace;min-width:78px;align-self:center;text-align:center}#optionScenario,#optionFeedback{font-size:13px;line-height:1.7;color:#aaa;margin:18px 0;min-height:22px}.stock-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.stock-stats>div{padding:15px 12px;background:#151515;border:1px solid #333;border-radius:6px;min-width:0}.stock-stats span{display:block;font-size:11px;color:#999;margin-bottom:7px}.stock-stats b{font-size:clamp(12px,2vw,17px);overflow-wrap:anywhere;font-variant-numeric:tabular-nums}#optionChart{display:block;width:100%;height:auto;min-height:170px;background:#111;border:1px solid #303030;margin:18px 0;border-radius:8px}.stock-order-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stock-result{padding:24px;background:#141414;border:1px solid #444;border-radius:8px;margin:24px 0;line-height:1.7}.stock-result h3{margin:10px 0;font-size:27px}.stock-result h4{margin-bottom:8px}.stock-result p{color:#bcbcbc;font-size:14px}.stock-table-wrap{overflow:auto}.stock-table-wrap table{border-collapse:collapse;width:100%;min-width:480px;text-align:left}.stock-table-wrap td,.stock-table-wrap th{padding:12px;border-bottom:1px solid #333;font-variant-numeric:tabular-nums}#stockLab{scroll-margin-top:24px}
@media(max-width:540px){.stock-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stock-guide summary{padding:16px;gap:10px}.stock-lesson-row{padding:16px 12px}.stock-lab-controls{display:grid;grid-template-columns:1fr 1fr}.stock-lab-controls input{max-width:none}.stock-dialog-body p{font-size:14px}.stock-order-actions .stock-button{padding:12px 8px;font-size:12px}}
@media(prefers-reduced-motion:reduce){.stock-button{transition:none}}