/* NovaStudy v2.7 CSE Learning Hub · Cyber + Black Gold, laptop + mobile */
.hub-root{display:grid;gap:16px}
.hub-tabs{display:flex;gap:8px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;padding:2px 0 10px;white-space:nowrap}
.hub-tab{flex:0 0 auto;min-height:42px;padding:10px 14px;background:var(--panel2);border:1px solid var(--line);border-radius:11px;font:inherit;font-weight:750;font-size:12px;cursor:pointer;color:var(--text)}
.hub-tab:hover,.hub-tab:focus-visible{border-color:var(--mint);outline-offset:2px}
.hub-tab.is-active{color:var(--mint);border-color:var(--mint);background:color-mix(in srgb,var(--mint) 11%,var(--panel2))}
.hub-content{display:grid;gap:16px;min-width:0}
.hub-content>.panel{min-width:0}
.hub-content .challenge-layout,.hub-content .challenge-stats{min-width:0}
.hub-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.hub-metric{display:grid;gap:7px;min-height:115px;padding:17px}
.hub-metric strong{font-size:clamp(22px,2.5vw,31px);color:var(--mint)}
.hub-metric small{color:var(--muted);font-size:11px;line-height:1.4}
.hub-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
.hub-grid>.panel{min-width:0}
.hub-roadmap-snapshot{margin:13px 0;display:grid;gap:9px}
.hub-roadmap-snapshot>div{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px}
.hub-roadmap-snapshot span{color:var(--mint)}
.hub-progress{display:block;height:9px;background:color-mix(in srgb,var(--muted) 16%,transparent);border:1px solid var(--line);border-radius:99px;overflow:hidden}
.hub-progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--purple),var(--mint));border-radius:99px;min-width:0}
.hub-note{font-size:11px;color:var(--muted);line-height:1.75}
.hub-backup{display:block}
.hub-backup .secondary-btn,.hub-backup .danger-btn{margin:5px 8px 5px 0}
.hub-import-label{position:relative;display:inline-flex;align-items:center;min-height:42px;border:1px solid var(--line);background:var(--panel2);color:var(--text);padding:10px 12px;border-radius:10px;font-size:12px;cursor:pointer}
.hub-import-label input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}
.hub-topic-list{display:grid;gap:0;margin:10px 0}
.hub-topic{display:grid;grid-template-columns:30px minmax(0,1fr) minmax(140px,190px);align-items:center;gap:13px;border-bottom:1px solid var(--line);padding:13px 3px}
.hub-topic b{font-size:12px;line-height:1.5;color:var(--text)}
.hub-num{color:var(--mint);font-weight:800;font-size:12px}
.hub-topic select,.hub-record select{border:1px solid var(--line);background:var(--panel2);color:var(--text);padding:10px;border-radius:9px;font:inherit;font-size:12px;width:100%;min-height:42px;min-width:0}
.hub-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.hub-form>label{display:grid;gap:7px;color:var(--text);font-size:12px;font-weight:750;min-width:0}
.hub-form input,.hub-form select{border:1px solid var(--line);background:var(--panel2);color:var(--text);font:inherit;padding:10px 12px;min-width:0;width:100%;min-height:43px;border-radius:10px}
.hub-form .hub-wide{grid-column:1/-1}
.hub-form button{justify-self:start;min-height:42px}
.hub-record-list{display:grid;gap:12px;margin-top:14px}
.hub-record{border:1px solid var(--line);border-radius:12px;padding:15px;display:flex;justify-content:space-between;align-items:start;gap:14px}
.hub-record>div{min-width:0}
.hub-record b,.hub-record h3{font-size:13px;color:var(--text);margin:0 0 6px;display:block;overflow-wrap:anywhere}
.hub-record small{font-size:11px;color:var(--muted);display:block;margin:5px 0}
.hub-record p{font-size:11px;color:var(--muted);overflow-wrap:anywhere}
.hub-record a{font-size:11px;color:var(--mint);display:inline-block;margin-top:7px;overflow-wrap:anywhere}
.hub-record-actions{min-width:150px;max-width:195px;display:grid;gap:8px;justify-items:end}
.hub-record-actions button{justify-self:end}
.hub-project{display:grid;gap:12px}
.hub-project-top{display:flex;justify-content:space-between;gap:10px}
.hub-project-top select{width:150px;flex:0 0 auto}
.hub-project .hub-milestones{display:grid;gap:10px}
.hub-milestones label{display:flex;gap:10px;align-items:center;font-size:12px}
.hub-milestones input{accent-color:var(--mint);width:17px;height:17px}
.hub-links{display:flex;gap:12px}
.hub-alert{border:1px solid #bd626b;background:#5a293133;border-radius:10px;color:#ffd1d2;padding:11px 13px;font-size:12px;overflow-wrap:anywhere}
html[data-theme="gold"] .hub-tab.is-active{border-color:var(--mint);color:var(--mint)}
@media(max-width:980px){.hub-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.hub-grid{grid-template-columns:1fr}}
@media(max-width:640px){.hub-form{grid-template-columns:1fr}.hub-form .hub-wide{grid-column:auto}.hub-topic{grid-template-columns:22px minmax(0,1fr);gap:9px}.hub-topic label{grid-column:2}.hub-topic select{width:100%}.hub-metrics{gap:8px}.hub-metric{padding:12px;min-height:100px}.hub-tab{font-size:11px;padding:10px 12px}.hub-record{flex-wrap:wrap}.hub-record-actions{min-width:0;width:100%;max-width:none;grid-template-columns:minmax(0,1fr) auto;align-items:center}.hub-project-top{flex-wrap:wrap}}
@media(max-width:380px){.hub-metric strong{font-size:22px}.hub-import-label{width:100%;margin-bottom:8px}.hub-backup .secondary-btn{width:100%}}

/* NovaStudy Skills & Modules — responsive, static, no animated canvas/blur effects. */
.hub-skill-section{margin-block:16px}
.hub-skill-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px}
.hub-skill-card{
 display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-width:0;text-align:left;
 background:var(--panel2);border:1px solid var(--line);color:var(--text);
 border-radius:14px;padding:18px;cursor:pointer;min-height:155px;box-shadow:none;
}
.hub-skill-card:hover,.hub-skill-card:focus-visible{border-color:var(--mint);outline-offset:2px}
.hub-skill-card strong{font-size:15px;line-height:1.4;overflow-wrap:anywhere}
.hub-skill-card small,.hub-skill-meta{font-size:11px;line-height:1.55;color:var(--muted)}
.hub-skill-card .hub-progress{width:100%;margin-top:auto}
.hub-skill-icon{font-size:21px;color:var(--mint)}
.hub-skill-detail,.hub-skill-section{min-width:0}
.hub-skill-detail-header{display:flex;justify-content:space-between;align-items:start;gap:18px;flex-wrap:wrap}
.hub-skill-detail-header h2{margin:15px 0 4px;font-size:clamp(21px,2.2vw,28px);overflow-wrap:anywhere}
.hub-skill-detail-header>div:first-child{min-width:0;flex:1 1 240px}
.hub-skill-controls{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.hub-skill-controls button{white-space:normal;min-height:38px}
.hub-skill-module-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin:22px 0 13px}
.hub-skill-module-top h3{margin:0}
.hub-skill-modules{display:grid;gap:12px}
.hub-skill-module{background:var(--panel2);border:1px solid var(--line);border-radius:13px;overflow:hidden;min-width:0}
.hub-skill-module-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px}
.hub-skill-module-toggle{display:flex;align-items:center;gap:12px;flex:1;text-align:left;min-width:0;background:transparent;color:var(--text);border:0;padding:5px}
.hub-skill-module-toggle>span:nth-child(2){min-width:0;flex:1}
.hub-skill-module-toggle strong{display:block;overflow-wrap:anywhere}
.hub-skill-module-toggle small{display:block;color:var(--muted);font-size:11px;margin-top:4px}
.hub-skill-number{display:grid;place-items:center;flex:0 0 34px;height:34px;background:color-mix(in srgb,var(--mint) 16%,var(--panel));border-radius:9px;color:var(--mint);font-weight:800}
.hub-skill-module-content{border-top:1px solid var(--line);padding:16px;min-width:0}
.hub-skill-module-content[hidden]{display:none!important}
.hub-skill-item-list{display:grid;gap:10px;margin:12px 0}
.hub-skill-item{border:1px solid var(--line);border-radius:11px;padding:14px;background:var(--panel);min-width:0}
.hub-skill-item-heading{display:flex;align-items:start;gap:12px;flex-wrap:wrap}
.hub-skill-kind{display:grid;place-items:center;min-width:30px;height:30px;background:var(--panel2);color:var(--mint);border:1px solid var(--line);border-radius:8px}
.hub-skill-item-copy{flex:1 1 155px;min-width:0}
.hub-skill-item-copy strong{overflow-wrap:anywhere}
.hub-skill-item-copy small{display:block;color:var(--muted);margin-top:4px}
.hub-skill-item-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65}
.hub-code{max-width:100%;overflow:auto;white-space:pre;padding:14px;border-radius:10px;border:1px solid var(--line);background:#0c1023;color:#d9f3ff;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.65}
.hub-skill-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px}
.hub-skill-links a{color:var(--mint);text-decoration:underline}
.hub-skills-form{margin:14px 0;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.hub-skills-form textarea,.hub-skills-form input,.hub-skills-form select{max-width:100%}
.hub-skills-form [data-skill-upload][hidden]{display:none!important}
.hub-attachment-meta{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.hub-skills-form small{font-size:11px;color:var(--muted);line-height:1.6}
@media(max-width:660px){
 .hub-skill-grid{grid-template-columns:1fr 1fr;gap:9px}
 .hub-skill-card{padding:12px;min-height:156px}
 .hub-skill-detail-header .hub-skill-controls{width:100%}
 .hub-skill-module-header{align-items:flex-start;flex-wrap:wrap}
 .hub-skill-module-header>.hub-skill-controls{width:100%;justify-content:flex-end}
 .hub-skill-module-content{padding:12px}
 .hub-skill-item{padding:11px}
 .hub-skill-item-heading>.hub-skill-controls{width:100%}
 .hub-skill-item-heading>.hub-skill-controls button{flex:1}
}
@media(max-width:410px){.hub-skill-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.hub-skill-card{transition:none}}

/* DSA milestones share the existing five-state roadmap progress. */
.hub-dsa-module-progress{display:flex;min-width:142px;max-width:200px;flex:0 1 190px}
.hub-dsa-module-progress select{width:100%;min-height:42px;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:var(--panel2);color:var(--text);font:inherit;font-size:12px}
@media(max-width:660px){.hub-dsa-module-progress{flex:1 1 140px;max-width:none}.hub-skill-module-header>.hub-skill-controls{justify-content:flex-start}}

/* Previously separate Projects/Resources managers now sit within expandable course modules. */
.hub-skill-module-content>.panel{margin-top:14px;min-width:0}
.hub-skill-module-content>.panel .hub-form{max-width:100%}
@media(max-width:660px){.hub-skill-module-content>.panel{padding:12px}}

/* Separate DSA and CP course views; nested attachments for individual CP topics. */
.hub-dsa-part-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0 10px}
.hub-dsa-part-button{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:15px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);color:var(--text);font:inherit;font-weight:800;cursor:pointer;min-width:0}
.hub-dsa-part-button span{font-size:12px;font-weight:500;color:var(--muted)}
.hub-dsa-part-button.active{border-color:var(--mint);background:color-mix(in srgb,var(--mint) 12%,var(--panel));box-shadow:inset 0 0 0 1px var(--mint)}
.hub-dsa-part-button:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.hub-cp-topic-attachments{margin-top:14px;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}
.hub-cp-topic-attachments-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.hub-cp-topic-attachments-head strong{font-size:13px}
.hub-cp-topic-attachment-list{display:grid;gap:9px;margin-top:10px}
.hub-cp-topic-attachment-list .hub-skill-item{background:var(--panel)}
@media(max-width:550px){.hub-dsa-part-button{flex-direction:column;align-items:flex-start}.hub-cp-topic-attachments{padding:9px}.hub-cp-topic-attachments-head button{width:100%}}


/* 60 Days IELTS Challenge — independent progress tracker, responsive across themes. */
.ielts-hero{display:grid;gap:12px;margin-bottom:16px}
.ielts-hero h2{margin:0;font-size:clamp(22px,3vw,30px);letter-spacing:-.025em}
.ielts-hero>p{margin:0;max-width:760px;color:var(--muted);line-height:1.65}
.ielts-progress-line{display:flex;align-items:baseline;gap:10px;margin-top:4px}
.ielts-progress-line strong{font-size:24px;color:var(--text)}
.ielts-progress-line span{font-size:12px;color:var(--muted)}
.ielts-day-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:16px}
.ielts-day-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-width:0;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--panel2)}
.ielts-day-card>div{display:flex;align-items:baseline;gap:7px}
.ielts-day-card small{font-size:10px;letter-spacing:.1em;color:var(--muted)}
.ielts-day-card strong{font-size:22px;color:var(--text)}
.ielts-day-card a{font-size:12px;font-weight:700;color:var(--accent,var(--mint));text-decoration:none}
.ielts-day-card button{width:100%;min-height:36px;white-space:normal}
.ielts-day-card.is-complete{border-color:var(--mint);background:color-mix(in srgb,var(--mint) 9%,var(--panel2))}
.ielts-day-card.is-complete strong{color:var(--mint)}
.ielts-hero .primary-btn{display:inline-flex;width:fit-content;text-decoration:none;align-items:center;justify-content:center}
@media(max-width:900px){.ielts-day-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.ielts-day-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.ielts-day-card{padding:10px}.ielts-hero .primary-btn{width:100%;text-align:center}}
@media(prefers-reduced-motion:reduce){.ielts-day-card{transition:none}}


/* Vocabulary Mastery — isolated IELTS card and responsive word workspace. */
.vm-launch{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:16px;flex-wrap:wrap;border:1px solid var(--line);background:var(--panel)}
.vm-launch h3{margin:5px 0;font-size:20px}.vm-launch p{margin:0;color:var(--muted);line-height:1.55}
.vm-launch-stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:12px}.vm-launch-stats b{color:var(--text)}
.vm-root{--vm-bg:var(--panel);--vm-card:var(--panel2);--vm-ink:var(--text);--vm-muted:var(--muted);display:grid;gap:15px;margin-top:12px;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--vm-bg);color:var(--vm-ink);min-width:0}
.vm-root[data-vm-theme="dark"]{--vm-bg:#0c1323;--vm-card:#131e32;--vm-ink:#edf3ff;--vm-muted:#a8b5cb;--vm-line:#2a3a55}
.vm-root[data-vm-theme="light"]{--vm-bg:#f8fafc;--vm-card:#fff;--vm-ink:#172033;--vm-muted:#58657a;--vm-line:#d7dfeb;color-scheme:light}
.vm-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}.vm-header h2{margin:5px 0;font-size:clamp(21px,3vw,29px)}.vm-header p{margin:0;color:var(--vm-muted)}
.vm-stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}.vm-stats>div{display:grid;gap:5px;padding:12px;border:1px solid var(--vm-line,var(--line));border-radius:12px;background:var(--vm-card);min-width:0}.vm-stats strong{font-size:22px}.vm-stats span{font-size:11px;color:var(--vm-muted)}
.vm-progress{display:grid;gap:8px}.vm-progress>div:first-child{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px}.vm-progress-track{height:8px;border-radius:99px;overflow:hidden;background:var(--vm-card);border:1px solid var(--vm-line,var(--line))}.vm-progress-track span{display:block;height:100%;background:var(--mint,#5de1c2);border-radius:inherit;transition:width .2s}
.vm-daily{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px;border-radius:13px;background:linear-gradient(120deg,color-mix(in srgb,var(--mint,#5de1c2) 14%,var(--vm-card)),var(--vm-card));border:1px solid var(--vm-line,var(--line))}.vm-daily h3{font-size:22px;margin:5px 0}.vm-daily p{margin:4px 0 9px;color:var(--vm-muted)}.vm-daily-actions{display:flex;gap:7px;flex-wrap:wrap}
.vm-mode-tabs,.vm-filters,.vm-bulk,.vm-toolbar,.vm-form-actions,.vm-flash-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.vm-mode-tabs button,.vm-filters button{border:1px solid var(--vm-line,var(--line));background:var(--vm-card);color:var(--vm-ink);border-radius:10px;padding:9px 12px;cursor:pointer;font:inherit;font-size:12px}.vm-mode-tabs button.active,.vm-filters button.active{border-color:var(--mint,#5de1c2);box-shadow:inset 0 0 0 1px var(--mint,#5de1c2)}.vm-filters button span{opacity:.7;margin-left:4px}
.vm-toolbar input{flex:1;min-width:180px}.vm-toolbar input,.vm-toolbar select,.vm-form input,.vm-form select,.vm-form textarea,.vm-card-footer select{min-height:39px;padding:9px 10px;border-radius:9px;border:1px solid var(--vm-line,var(--line));background:var(--vm-card);color:var(--vm-ink);font:inherit;max-width:100%}
.vm-word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.vm-word-card{display:grid;gap:11px;align-content:start;min-width:0;padding:13px;border:1px solid var(--vm-line,var(--line));border-radius:13px;background:var(--vm-card);color:var(--vm-ink)}.vm-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.vm-actions{display:flex;gap:5px;margin-left:auto}.vm-icon{border:1px solid var(--vm-line,var(--line));background:transparent;color:var(--vm-ink);border-radius:8px;min-width:32px;min-height:30px;cursor:pointer}
.vm-category,.vm-status{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:10px;font-weight:800;margin-right:5px}.vm-basic{background:#1c9a7330;color:#44c69a}.vm-mid{background:#b7832530;color:#d8a84c}.vm-advanced{background:#9464db30;color:#b89aff}.vm-status{background:var(--vm-bg);color:var(--vm-muted)}
.vm-word-reveal{display:grid;text-align:left;gap:6px;padding:0;border:0;background:transparent;color:inherit;cursor:pointer}.vm-word-reveal strong{font-size:22px;overflow-wrap:anywhere}.vm-word-reveal span{line-height:1.5}.vm-word-reveal small,.vm-muted{font-size:11px;color:var(--vm-muted)}.vm-details{display:grid;gap:7px;padding-top:10px;border-top:1px solid var(--vm-line,var(--line));font-size:12px}.vm-details p{margin:0;line-height:1.6}.vm-chips{display:flex;gap:5px;flex-wrap:wrap}.vm-chip{border:1px solid var(--vm-line,var(--line));background:var(--vm-bg);padding:4px 8px;border-radius:999px;font-size:11px}.vm-card-footer{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding-top:9px;border-top:1px solid var(--vm-line,var(--line))}.vm-card-footer label{display:grid;gap:4px;font-size:10px;color:var(--vm-muted);flex:1;min-width:100px}.vm-card-footer select{min-height:32px;padding:5px;font-size:11px}.vm-danger{border-color:#c94b5a!important;color:#e77986!important}.vm-due{margin:0;color:#e2ad54;font-size:11px}
.vm-form,.vm-tool-panel{display:grid;gap:12px;padding:14px;border:1px solid var(--vm-line,var(--line));border-radius:13px;background:var(--vm-card)}.vm-form h3,.vm-tool-panel h3{margin:0}.vm-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.vm-form-grid label{display:grid;gap:6px;font-size:12px;color:var(--vm-muted);min-width:0}.vm-form-grid input,.vm-form-grid select,.vm-form-grid textarea{width:100%;box-sizing:border-box}.vm-wide{grid-column:1/-1}.vm-file-btn{display:inline-flex;align-items:center;cursor:pointer}.vm-flash-card{display:grid;gap:12px;justify-items:center;text-align:center;min-height:220px;padding:24px;border:1px solid var(--vm-line,var(--line));border-radius:14px;background:var(--vm-bg);color:var(--vm-ink);cursor:pointer;font:inherit}.vm-flash-card strong{font-size:clamp(26px,5vw,38px)}.vm-flash-card p{margin:0}.vm-flash-card .vm-chips{justify-content:center}.vm-quiz-prompt{padding:12px;background:var(--vm-bg);border-radius:10px}.vm-quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.vm-quiz-option{padding:12px;text-align:left;border:1px solid var(--vm-line,var(--line));border-radius:10px;background:var(--vm-bg);color:var(--vm-ink);cursor:pointer;overflow-wrap:anywhere}.vm-score{font-size:34px;font-weight:900;margin:0}.vm-revision{display:flex;gap:8px 14px;align-items:center;flex-wrap:wrap;padding-top:10px;border-top:1px solid var(--vm-line,var(--line));font-size:12px}.vm-revision span,.vm-revision small{color:var(--vm-muted)}.vm-empty{grid-column:1/-1;text-align:center;padding:24px;border:1px dashed var(--vm-line,var(--line));border-radius:12px;color:var(--vm-muted)}
@media(max-width:720px){.vm-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.vm-word-grid{grid-template-columns:1fr}.vm-card-footer label{min-width:calc(50% - 8px)}}
@media(max-width:480px){.vm-root{padding:10px}.vm-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.vm-daily{align-items:flex-start;flex-direction:column}.vm-toolbar{align-items:stretch}.vm-toolbar input,.vm-toolbar select,.vm-toolbar button{width:100%;box-sizing:border-box}.vm-form-grid,.vm-quiz-options{grid-template-columns:1fr}.vm-launch{align-items:flex-start;flex-direction:column}.vm-launch>.primary-btn{width:100%}.vm-mode-tabs button{flex:1}.vm-flash-actions>*{flex:1}}
@media(prefers-reduced-motion:reduce){.vm-progress-track span{transition:none}}

.vm-form-tags{margin-top:3px;min-height:8px}.vm-form-tags .vm-chip{overflow-wrap:anywhere}
.vm-delete-dialog{width:min(420px,calc(100% - 28px));padding:20px;border:1px solid var(--line);border-radius:15px;background:var(--panel);color:var(--text);box-shadow:0 24px 80px #0007}
.vm-delete-dialog::backdrop{background:#030712b8;backdrop-filter:blur(3px)}.vm-delete-dialog h3{margin:0 0 8px}.vm-delete-dialog p{color:var(--muted);line-height:1.6}


/* Vocabulary Mastery local file and folder vault */
.vm-attachments{display:grid;gap:12px;padding:15px;border:1px solid var(--vm-line,var(--line));border-radius:13px;background:var(--vm-card);color:var(--vm-ink);min-width:0}
.vm-attachments h3{margin:5px 0;font-size:18px}.vm-attachments p{margin:0;color:var(--vm-muted);font-size:12px;line-height:1.6}
.vm-upload-actions{display:flex;gap:8px;flex-wrap:wrap}.vm-attachment-list{display:grid;gap:8px}
.vm-attachment{display:flex;align-items:center;gap:9px;padding:10px;border:1px solid var(--vm-line,var(--line));border-radius:10px;min-width:0}
.vm-file-icon{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:9px;background:var(--vm-bg);font-size:19px}
.vm-attachment-info{display:grid;gap:4px;flex:1;min-width:0}.vm-attachment-info b{font-size:12px;overflow-wrap:anywhere}.vm-attachment-info small{font-size:10px;color:var(--vm-muted);overflow-wrap:anywhere;line-height:1.5}
@media(max-width:520px){.vm-attachment{align-items:flex-start;flex-wrap:wrap}.vm-attachment-info{flex-basis:calc(100% - 48px)}.vm-attachment button{flex:1}.vm-upload-actions>*{flex:1;text-align:center}}


/* Backup, restore and mobile-touch polish for Vocabulary Mastery */
.vm-storage-summary{padding:8px 10px;border:1px solid var(--vm-line,var(--line));border-radius:9px;background:var(--vm-bg);overflow-wrap:anywhere}
.vm-bulk .vm-file-btn,.vm-bulk button{min-height:40px;justify-content:center}
.vm-attachments button:focus-visible,.vm-attachments label:focus-within,.vm-root button:focus-visible,.vm-root input:focus-visible,.vm-root select:focus-visible,.vm-root textarea:focus-visible{outline:2px solid var(--mint,#5de1c2);outline-offset:2px}
@media(max-width:520px){.vm-bulk{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}.vm-bulk>*{min-width:0;max-width:100%;box-sizing:border-box;text-align:center;white-space:normal}.vm-attachments{padding:11px}.vm-upload-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.vm-attachment button{min-height:40px}.vm-attachment-info small{word-break:break-word}}
@media(max-width:360px){.vm-bulk{grid-template-columns:1fr}.vm-upload-actions{grid-template-columns:1fr}.vm-stats strong{font-size:19px}}


/* IELTS Learning Center: two clear, clickable section cards. */
.ielts-tool-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.ielts-tool-card{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-width:0;min-height:220px;padding:20px;text-align:left;border:1px solid var(--line);border-radius:15px;background:var(--panel2);color:var(--text);font:inherit;cursor:pointer;box-shadow:none}
.ielts-tool-card:hover,.ielts-tool-card:focus-visible{border-color:var(--mint);outline:2px solid color-mix(in srgb,var(--mint) 35%,transparent);outline-offset:2px}
.ielts-tool-icon{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--mint) 10%,var(--panel));color:var(--mint);font-size:22px;font-weight:850}
.ielts-tool-copy{display:grid;gap:6px}
.ielts-tool-copy strong{font-size:17px;line-height:1.35;overflow-wrap:anywhere}
.ielts-tool-copy small{font-size:12px;line-height:1.65;color:var(--muted)}
.ielts-tool-progress{font-size:12px;font-weight:800;color:var(--mint)}
.ielts-tool-card>.hub-progress{width:100%;margin-top:auto}
.ielts-tool-open{font-size:12px;font-weight:800;color:var(--mint)}
.ielts-view-toolbar{display:flex;justify-content:flex-start;margin-bottom:12px}
@media(max-width:560px){.ielts-tool-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.ielts-tool-card{padding:12px;min-height:210px;gap:10px;border-radius:12px}.ielts-tool-copy strong{font-size:14px}.ielts-tool-copy small{font-size:11px}.ielts-tool-icon{width:36px;height:36px;font-size:18px}.ielts-tool-progress,.ielts-tool-open{font-size:10px}}
@media(max-width:360px){.ielts-tool-card{padding:9px;min-height:215px}.ielts-tool-copy strong{font-size:12px}.ielts-tool-copy small{font-size:10px}}
@media(prefers-reduced-motion:reduce){.ielts-tool-card{transition:none}}