/* Shared visual language for the five collection-based learning activities. */
.hub-audio{background:linear-gradient(125deg,#f0edff,#edf5ff);border:1px solid #ded7fa;border-radius:20px;padding:17px 15px;margin:16px 0;min-width:0}
.hub-audio-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hub-audio-copy{min-width:0}.hub-audio-copy strong{display:block;color:#48358d;font-size:16px;line-height:1.5}.hub-audio-copy small{display:block;font-size:10px;line-height:1.7;color:#73678f;margin-top:3px}
.hub-audio-speed{display:flex;align-items:center;gap:6px;flex:none;font-size:11px;color:#73678f}
.sales-hub .hub-audio-speed select{width:71px;min-height:40px;padding:6px 7px;margin:0;font-size:14px;background:#ffffffd9;border-color:#dbd2f8;color:#5536ae}
.hub-audio-timeline{margin:19px 0 3px}.sales-hub .hub-audio-progress{--played:0%;display:block;appearance:none;-webkit-appearance:none;width:100%;height:6px;min-height:6px;padding:0;margin:12px 0;background:linear-gradient(90deg,#7657d9 var(--played),#dcd6f0 var(--played));border:0;border-radius:20px;cursor:pointer;touch-action:pan-x}
.hub-audio-progress::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:16px;height:16px;background:white;border:4px solid #7657d9;border-radius:50%;box-shadow:0 1px 6px #5b41853a}.hub-audio-progress::-moz-range-thumb{width:10px;height:10px;background:white;border:4px solid #7657d9;border-radius:50%}
.hub-audio-clock{display:flex;justify-content:space-between;font-size:11px;line-height:1.5;color:#786b94;font-variant-numeric:tabular-nums}
.hub-audio-transport{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:12px;max-width:285px;margin:9px auto 15px}
.sales-hub .hub-audio-skip,.sales-hub .hub-audio-main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin:auto;background:transparent;border:0;box-shadow:none;padding:6px;color:#655481;min-height:64px;min-width:65px;border-radius:18px}
.hub-audio-skip svg{width:27px;height:27px}.hub-audio-skip span{font-size:11px}.sales-hub .hub-audio-main{width:72px;height:72px;min-height:72px;border-radius:50%;background:linear-gradient(140deg,#8664e8,#6543bf);box-shadow:0 6px 15px #6743bf3b;color:#fff;gap:0;padding:12px}
.hub-audio-main svg{width:32px;height:32px}.hub-audio-main span{font-size:10px;line-height:1.3}.sales-hub .hub-audio-main:hover{background:linear-gradient(140deg,#9473ee,#7351c8)}.hub-audio-main.is-loading{opacity:.75}
.sales-hub .hub-audio-chapters{font-size:12px;min-height:42px;padding:8px 10px;margin:0;width:100%;background:#ffffffc7;border-color:#dfd7f4}
.hub-card .hub-audio-status{font-size:11px;line-height:1.7;color:#73678f;margin:10px 0 0;white-space:normal}
.hub-card p.hub-audio-note{font-size:10px;color:#8a7d9d;margin:5px 0 0;line-height:1.7}
.hub-audio audio[hidden]{display:none}
.sales-hub{--hub-ink:#26304b;--hub-muted:#6e7890;--hub-line:#e6e9f2;--hub-accent:#674ad7;--hub-soft:#f0ecff;--hub-edge:#d9d0fc;color:var(--hub-ink);max-width:900px;margin:auto;padding:0 0 30px;overflow-wrap:anywhere;line-height:1.6}
.sales-hub *{box-sizing:border-box}
.sales-hub [data-tone=violet],.sales-hub[data-module=learn]{--hub-accent:#674ad7;--hub-soft:#f0ecff;--hub-edge:#d9d0fc}
.sales-hub [data-tone=blue],.sales-hub[data-module=ask]{--hub-accent:#176cca;--hub-soft:#eaf4ff;--hub-edge:#c7e0fa}
.sales-hub [data-tone=orange],.sales-hub[data-module=practice]{--hub-accent:#ae4c0c;--hub-soft:#fff2e1;--hub-edge:#f5d4ab}
.sales-hub [data-tone=green],.sales-hub[data-module=write]{--hub-accent:#16745b;--hub-soft:#e9f7ef;--hub-edge:#c3e6d4}
.sales-hub [data-tone=rose],.sales-hub[data-module=rehearsal]{--hub-accent:#b93870;--hub-soft:#ffedf3;--hub-edge:#f4c8da}
.sales-hub [data-tone=red]{--hub-accent:#c14137;--hub-soft:#fff0ed;--hub-edge:#f5cec5}
#technicalSalesTile .hub-entry-icon{background:linear-gradient(135deg,#ede6ff,#ffe8dc);box-shadow:0 5px 14px #7955cc17}
#technicalSalesRoot.sales-hub{padding-top:12px}
#page-technical-sales .sales-scroll{padding-top:0;background:linear-gradient(180deg,#f8f7fe 0%,#f7f9fc 55%)}
.hub-hero{padding:22px 20px 18px;border-radius:24px;background:linear-gradient(120deg,#4c35a4 0%,#6851c1 53%,#557ee0 100%);color:white;position:relative;overflow:hidden;box-shadow:0 8px 24px #5f46aa20}
.hub-hero:before,.hub-hero:after{content:'';position:absolute;border-radius:50%;pointer-events:none}
.hub-hero:before{width:170px;height:170px;right:-36px;top:-35px;background:#ffffff0b;border:1px solid #ffffff18}
.hub-hero:after{width:150px;height:150px;right:35px;bottom:-122px;border:24px solid #f4d9ff18}
.hub-eyebrow{font-size:11px;letter-spacing:1px;color:#eae3ff}
.hub-hero h2{font-size:23px;letter-spacing:-.5px;margin:8px 0 8px;line-height:1.4;max-width:82%;position:relative;z-index:1}
.hub-hero p{margin:0;font-size:12px;line-height:1.8;color:#f0edff;max-width:78%;position:relative;z-index:1}
.hub-hero-art{position:absolute;right:8px;top:35px;width:61px;height:81px;pointer-events:none;transform:rotate(9deg)}
.hub-hero-art span:nth-child(1){position:absolute;font-size:17px;right:3px;top:-18px}
.hub-hero-art span:nth-child(2){font-size:42px;position:absolute;top:9px;left:0;filter:drop-shadow(0 6px 6px #24194d33)}
.hub-hero-art span:nth-child(3){position:absolute;font-size:23px;right:0;bottom:0;transform:rotate(-15deg)}
.hub-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;padding-top:12px;border-top:1px solid #ffffff24;position:relative;z-index:1}
.hub-stats>div{border-right:1px solid #ffffff24}.hub-stats>div:last-child{border-right:0}
.hub-stats b{font-size:24px;line-height:1.1;display:block;font-variant-numeric:tabular-nums}
.hub-stats span{font-size:10px;color:#eee8ff;display:block;margin-top:4px}
.sales-hub button,.sales-hub input,.sales-hub select,.sales-hub textarea{font:inherit}
.sales-hub button{cursor:pointer;min-height:44px;padding:10px 13px;background:white;color:var(--hub-ink);border:1px solid var(--hub-line);border-radius:12px;font-size:13px;transition:background .16s,border-color .16s,box-shadow .16s}
.sales-hub button:hover{border-color:var(--hub-edge);background:var(--hub-soft)}
.sales-hub button:active{transform:translateY(1px)}
.sales-hub button:disabled{opacity:.55;cursor:wait}
.sales-hub button:focus-visible,.sales-hub summary:focus-visible,.sales-hub a:focus-visible{outline:3px solid var(--hub-accent);outline-offset:3px}
.sales-hub .hub-primary{background:var(--hub-accent);color:white;border-color:var(--hub-accent);box-shadow:0 4px 10px #26304b10}
.sales-hub .hub-primary:hover{filter:brightness(.95);background:var(--hub-accent)}
.hub-tabs{display:flex;position:sticky;top:0;z-index:4;background:#f7f7fced;padding:12px 0 14px;gap:6px;backdrop-filter:blur(12px)}
.sales-hub .hub-tabs button{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 2px 7px;gap:4px;min-height:68px;background:var(--hub-soft);border-color:var(--hub-edge);color:var(--hub-accent);border-radius:15px}
.hub-tab-icon{font-size:23px;line-height:1.1}.hub-tab-label{font-size:12px;font-weight:750;white-space:nowrap}
.sales-hub .hub-tabs button[aria-pressed=true]{background:var(--hub-accent);border-color:var(--hub-accent);color:white;box-shadow:0 5px 12px #38305924}
.hub-content{min-width:0}.hub-icon{flex:none;display:inline-flex;align-items:center;justify-content:center}
.hub-progress{border:1px solid #e3dcfa;background:linear-gradient(105deg,#fff,#f5f1ff);padding:13px 15px;border-radius:18px}
.hub-progress-heading{display:flex;align-items:center;gap:10px}.hub-progress-icon{font-size:26px;display:grid;place-items:center;flex:none;background:#eee6ff;border-radius:13px;width:42px;height:42px}
.hub-progress-heading strong{display:block;font-size:13px;font-weight:700}.hub-progress-heading span:not(.hub-progress-icon){display:block;color:#746690;font-size:11px;margin-top:2px}
.hub-meter{height:6px;border-radius:5px;background:#e8e0fa;overflow:hidden;margin-top:11px}
.hub-meter i{display:block;background:linear-gradient(90deg,#8b6fed,#b78bea);height:100%;border-radius:5px}
.hub-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:18px 0 10px}.hub-heading h3{font-size:16px;margin:0}.hub-heading .hub-small{font-size:10px;white-space:nowrap}
.hub-small{font-size:12px;color:var(--hub-muted);line-height:1.8}
.hub-areas{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 14px}
.sales-hub .hub-area{position:relative;min-width:0;padding:13px!important;text-align:left;border-radius:18px!important;display:flex;flex-direction:column;gap:5px;background:var(--hub-soft);border-color:var(--hub-edge);min-height:131px}
.hub-area-icon{font-size:32px;line-height:1.2}.hub-area strong{display:block;font-size:17px;color:var(--hub-accent);letter-spacing:.2px}.hub-area-copy>span{display:block;font-size:10px;margin-top:3px;color:var(--hub-muted)}
.hub-area-mark{position:absolute;right:10px;top:13px;font-size:10px;color:var(--hub-accent);padding:2px 7px;background:#ffffffc4;border:1px solid var(--hub-edge);border-radius:12px}
.sales-hub .hub-area[aria-pressed=true]{border:2px solid var(--hub-accent);padding:12px!important;box-shadow:0 5px 14px #a77d4910}
.hub-next-lesson{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 13px;border:1px solid var(--hub-line);border-radius:15px;background:white;margin:0 0 14px}
.hub-next-lesson>div{min-width:0}.hub-next-lesson strong{display:block;font-size:12px;font-weight:650;line-height:1.6;margin-top:1px}.hub-next-lesson .hub-small{font-size:10px}.hub-next-lesson button{flex:none;font-size:11px;padding:8px 10px}
.sales-hub input,.sales-hub select,.sales-hub textarea{width:100%;border:1px solid var(--hub-line);border-radius:12px;background:white;padding:12px;color:var(--hub-ink);font-size:16px;min-width:0}
.sales-hub input:focus,.sales-hub select:focus,.sales-hub textarea:focus{outline:2px solid var(--hub-edge);border-color:var(--hub-accent)}
.sales-hub textarea{min-height:140px;resize:vertical;line-height:1.8}.sales-hub select{margin:5px 0}
.hub-search-wrap{position:relative;margin-bottom:14px}.hub-search-wrap>.hub-icon{position:absolute;left:12px;top:7px;font-size:25px;color:#9386ac}.sales-hub .hub-search{padding-left:36px;font-size:14px;height:44px}
.hub-group{margin:10px 0;background:white;border:1px solid var(--hub-line);border-radius:18px;overflow:hidden;box-shadow:0 3px 10px #303c6512}
.hub-group>summary{cursor:pointer;padding:14px;font-size:14px;font-weight:650;list-style:none;display:flex;align-items:center;gap:10px;color:var(--hub-accent)}
.hub-group>summary::-webkit-details-marker{display:none}.hub-group>summary:after{content:'＋';color:var(--hub-accent);flex:none;font-size:16px;font-weight:400}.hub-group[open]>summary:after{content:'−'}
.hub-group[open]>summary{background:var(--hub-soft);border-bottom:1px solid var(--hub-edge)}
.hub-group-icon{flex:none;display:grid;place-items:center;width:38px;height:38px;background:var(--hub-soft);border-radius:12px;font-size:23px}
.hub-group-copy{min-width:0;flex:1}.hub-group-copy strong{display:block;font-size:15px;line-height:1.5}.hub-group-copy small{display:block;font-size:10px;line-height:1.7;color:var(--hub-muted);font-weight:400;margin-top:2px}
.hub-count{font-size:10px;padding:3px 7px;border-radius:20px;background:var(--hub-soft);white-space:nowrap;color:var(--hub-accent);font-weight:650;flex:none}
.hub-group>div{padding:2px 12px 12px}
.sales-hub .hub-lesson{display:flex;align-items:center;width:100%;text-align:left;margin:9px 0;border-radius:13px;gap:9px;padding:12px;background:white;border-color:#edf0f6}
.sales-hub .hub-lesson:hover{background:var(--hub-soft);border-color:var(--hub-edge)}
.hub-lesson-icon{flex:none;display:grid;place-items:center;background:var(--hub-soft);color:var(--hub-accent);font-size:18px;width:32px;height:36px;border-radius:9px}
.hub-lesson-copy{flex:1;min-width:0}.hub-lesson strong{display:block;font-size:13px;line-height:1.6}.hub-lesson small{display:block;font-size:10px;color:var(--hub-muted);line-height:1.8;margin-top:3px}
.hub-pill{font-size:10px;border-radius:20px;white-space:nowrap;background:var(--hub-soft);padding:4px 7px;color:var(--hub-accent);flex:none}
.hub-completed .hub-lesson-icon,.hub-completed .hub-pill{background:#e9f7ef;color:#16745b}
.hub-card{border:1px solid var(--hub-line);border-radius:18px;background:white;padding:18px;margin:12px 0;min-width:0;box-shadow:0 3px 12px #26304b08}
.hub-card h3{margin:0 0 12px;font-size:18px;line-height:1.6}.hub-card h4{font-size:15px;margin:16px 0 6px}.hub-card p{line-height:1.85;margin:8px 0;font-size:14px;white-space:pre-wrap}.hub-card p.hub-small{font-size:12px}
.hub-module-intro{display:flex;gap:12px;align-items:center;padding:15px 0 8px;margin-bottom:8px}.hub-module-intro>div{min-width:0}.hub-module-intro h3{font-size:17px;color:var(--hub-accent);margin:0 0 5px;line-height:1.6}.hub-module-intro p{margin:0;font-size:12px;line-height:1.8;color:var(--hub-muted)}
.hub-module-icon{width:46px;height:46px;border-radius:14px;background:var(--hub-soft);font-size:27px;display:grid;place-items:center;flex:none}
.hub-form-title{display:flex;gap:10px;align-items:center;margin-bottom:12px}.hub-form-title h3{color:var(--hub-accent);margin:0;line-height:1.6;font-size:17px}.hub-form-title .hub-module-icon{width:38px;height:38px;font-size:22px}
.hub-activity-form{border-top:3px solid var(--hub-accent)}.hub-lesson-intro{border-left:4px solid var(--hub-accent)}.hub-lesson-intro h3{color:var(--hub-accent)}
.hub-notice{background:var(--hub-soft);border-left:3px solid var(--hub-accent);padding:12px 14px;margin:12px 0;font-size:13px;line-height:1.8;border-radius:0 12px 12px 0}
.hub-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.hub-toolbar>*{min-width:0}
.hub-form label{display:block;font-size:13px;font-weight:600;margin:14px 0 7px}.hub-form label>*{display:block;margin-top:7px;font-weight:400}
.hub-form>button{margin:10px 7px 0 0}.hub-form input[type=file]{font-size:12px;overflow:hidden}
.hub-scene-context{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hub-scene-context>section{padding:12px;background:#f6f7fb;border-radius:12px}.hub-scene-context h4{margin:0;font-size:12px;color:var(--hub-muted)}.hub-scene-context p{font-size:12px;margin:5px 0 0}
.hub-scene-field{border:1px solid var(--hub-edge);background:var(--hub-soft);border-radius:14px;padding:13px;margin:12px 0}.hub-scene-field h4{color:var(--hub-accent);margin:0 0 7px;font-size:13px}.hub-scene-field p{margin:0;font-size:14px}
.hub-scene-more{border:1px solid var(--hub-edge);border-radius:12px;padding:10px 12px;margin:10px 0;background:white}.hub-scene-more>summary{color:var(--hub-accent);font-size:13px!important;font-weight:650}.hub-scene-more>p{font-size:13px;margin:12px 0 0}.hub-scene-pick{display:block;width:100%;text-align:left;margin:8px 0}
.hub-source{padding:14px;line-height:1.9;font-size:14px;color:#243e48}.hub-source h3{font-size:17px;margin:24px 0 10px;border-left:3px solid var(--hub-accent);padding-left:10px}.hub-source p{margin:9px 0;white-space:normal}.hub-source figure{margin:14px 0;max-width:100%}
.hub-source img{max-width:100%;height:auto;display:block;background:#f5f7f7;border:1px solid #e5ebee;cursor:zoom-in}.hub-source figcaption{font-size:11px;color:var(--hub-muted);margin:6px 0}
.hub-table-wrap{overflow-x:auto;max-width:100%;border:1px solid var(--hub-line);border-radius:9px;margin:14px 0;-webkit-overflow-scrolling:touch}.hub-table-wrap table{border-collapse:collapse;min-width:100%;font-size:12px;table-layout:auto}.hub-table-wrap td{border:1px solid #dce5e8;padding:9px;min-width:110px;max-width:350px;vertical-align:top}.hub-table-wrap td p{min-width:90px;max-width:320px;margin:4px 0;white-space:pre-wrap}.hub-table-wrap img{max-width:310px;width:270px}
.hub-source-list{display:flex;flex-direction:column;gap:8px}.hub-source-item{display:flex;align-items:center;gap:9px;text-align:left;max-width:100%;min-width:0}.hub-source-item>span:not(.hub-icon){flex:1;min-width:0}.hub-source-item>.hub-icon{font-size:21px}.hub-source-item>small{font-size:9px;color:var(--hub-muted);flex:none}
.hub-cite{background:#f0f6ff;padding:13px;border-radius:12px;margin:10px 0;border:1px solid #dae8f8}.hub-cite button{text-align:left}.hub-cite blockquote{font-size:12px;line-height:1.9;margin:8px 0;white-space:pre-wrap;color:#425b66}
.hub-message{margin:12px 0}.hub-question{margin-left:22px;background:#eaf4ff;border-radius:15px 15px 3px 15px;padding:14px;font-size:14px;white-space:pre-wrap}.hub-error{background:#fff3ed;color:#964527;border-radius:12px;padding:13px;font-size:13px;line-height:1.7}
.hub-result-score{font-size:30px;font-weight:700;color:var(--hub-accent)}.hub-empty{padding:24px;text-align:center;color:var(--hub-muted);font-size:13px}.hub-pending{font-size:12px;color:#9b6d23}.hub-record-audio{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0}
.sales-hub audio{width:100%;margin:10px 0}.hub-pdf-page{background:#eef3f5;padding:8px}.hub-pdf-page img{width:100%}.sales-hub a{color:var(--hub-accent);text-decoration:underline}
/* Learning actions belong after the article, never over the text or player. */
.hub-reader-actions{position:static;margin:18px 0 0;padding:12px;background:#fff;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;border:1px solid var(--hub-line);border-radius:13px}.hub-reader-actions button{min-width:0;padding:9px 4px;font-size:12px}
.hub-outline{max-height:240px;overflow:auto}.hub-outline button{display:block;text-align:left;width:100%;margin:5px 0}.hub-check-reference{white-space:pre-wrap;max-height:440px;overflow:auto;font-size:13px;line-height:1.9;background:var(--hub-soft);padding:13px;border-radius:12px}
.hub-record-title{font-size:14px;font-weight:650}.hub-content summary{cursor:pointer;line-height:1.8;font-size:14px}.hub-content ul{padding-left:20px;line-height:1.9;font-size:13px}.hub-footnote{text-align:center;margin-top:20px;font-size:11px}
.hub-evidence-focus{border-left:3px solid #d7a344;background:#fff9ec;padding:10px;scroll-margin-top:80px}
.hub-focused .hub-hero{padding:13px 18px;border-radius:16px}.hub-focused .hub-hero h2{font-size:19px;margin:5px 0 0;max-width:100%}.hub-focused .hub-hero p,.hub-focused .hub-stats,.hub-focused .hub-hero-art{display:none}
.hub-demo{background:#f8f7fe;padding:15px;border-radius:20px}.hub-demo .hub-tabs{position:static}
.hub-dialog{position:fixed;inset:0;z-index:10020;background:#10232df2;display:flex;flex-direction:column;padding:14px;padding-top:max(14px,env(safe-area-inset-top))}.hub-dialog button{align-self:flex-end;background:white;color:#123944;padding:10px 18px;border:0;border-radius:12px;min-height:44px}.hub-image-viewport{flex:1;overflow:auto;touch-action:pan-x pan-y pinch-zoom;display:flex;align-items:flex-start;justify-content:flex-start;margin-top:12px}.hub-image-viewport img{width:100%;max-width:none;height:auto;flex:none;transform-origin:top left}.hub-image-actions{display:flex;justify-content:center;gap:10px;padding:10px}
@media(max-width:380px){.hub-hero{padding:19px 16px 16px}.hub-hero h2{font-size:21px}.hub-hero-art{right:5px;width:52px}.hub-hero-art span:nth-child(2){font-size:35px}.hub-tabs{gap:5px}.sales-hub .hub-tabs button{min-height:64px}.hub-tab-label{font-size:11px}.hub-card{padding:14px}.hub-source{padding:10px}.hub-heading .hub-small{font-size:9px}.hub-group>summary{padding:12px;gap:8px}.hub-group-copy strong{font-size:14px}.hub-group-icon{width:34px;height:36px;font-size:21px}.hub-count{padding:3px 5px}.sales-hub .hub-lesson{padding:10px;gap:7px}.hub-lesson strong{font-size:12px}.hub-area-copy>span{font-size:9px}.hub-module-intro h3{font-size:16px}.hub-scene-context{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.sales-hub button{transition:none}}