/* Floating support */
.navlinks button{border:0;background:none;color:var(--ink);white-space:nowrap;font-size:14px;padding:12px 0}.floating-actions{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:max(22px,env(safe-area-inset-bottom));z-index:30;display:flex;flex-direction:column;gap:12px}.float-button{width:56px;height:56px;display:grid;place-items:center;border:0;border-radius:50%;box-shadow:0 5px 20px #0003;color:#fff;padding:0}.facebook-button{background:#1877f2;font-family:Arial,sans-serif;font-size:39px;font-weight:800}.chat-button{background:#14634f}.chat-widget{position:fixed;z-index:40;right:90px;bottom:24px;width:min(390px,calc(100vw - 120px));max-height:calc(100dvh - 48px);display:flex;flex-direction:column;box-shadow:0 16px 60px #0004;border-radius:16px}.widget-heading{background:#14634f;color:white;padding:16px;display:flex;justify-content:space-between;align-items:center}.widget-heading small{display:block;font-size:10px;opacity:.85}.widget-heading button{background:transparent;border:0;color:white;font-size:24px;padding:0 8px}.widget-note{font-size:10px;margin:0;padding:8px 15px;background:var(--soft)}.chat-widget #messages{height:270px;min-height:90px;flex:1;padding:14px;font-size:13px}.chat-widget .suggestions{padding:7px 12px;gap:6px}.chat-widget .suggestions button{font-size:10px;padding:6px}.chat-widget form{padding:12px}.chat-widget form input{font-size:14px}.chat-widget .composer button{padding:8px 12px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}.account-status{z-index:50;bottom:90px}
/* Course catalog */
.catalog-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:24px;align-items:start}.course-filters{background:var(--soft);position:sticky;top:16px}.course-filters h2{margin-top:0;font-size:18px}.course-filters fieldset{border:0;padding:16px 0;margin:0;border-top:1px solid var(--line)}.course-filters legend{font-size:14px;font-weight:700;padding:12px 0 0}.course-filters fieldset label{display:flex;align-items:center;gap:10px;font-size:13px;margin:10px 0;min-height:28px;cursor:pointer}.course-filters input[type=radio],.course-filters input[type=checkbox]{width:17px;height:17px;flex-shrink:0;accent-color:var(--primary)}.field{display:flex;flex-direction:column;gap:7px;font-size:13px;margin-bottom:18px}.field input,.field textarea,.field select{width:100%;min-height:44px}.field textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px;resize:vertical}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.course-card{padding:12px;display:flex;flex-direction:column}.course-cover{position:relative;border-radius:9px;aspect-ratio:1.55;display:flex;justify-content:flex-end;flex-direction:column;gap:10px;padding:20px;color:white;overflow:hidden}.course-cover:after{content:'';position:absolute;right:-35px;top:-40px;width:170px;height:170px;border:25px solid #ffffff17;border-radius:50%;pointer-events:none}.course-cover:hover{text-decoration:none}.course-cover small{font-size:8px;letter-spacing:1.1px;z-index:1}.course-cover strong{font-size:18px;line-height:1.4;z-index:1}.cover-symbol{position:absolute;right:20px;top:8px;font-size:50px;line-height:1;color:#ffffff4d}.course-color-0{background:linear-gradient(140deg,#174d43,#2c8574)}.course-color-1{background:linear-gradient(140deg,#114d78,#228fb9)}.course-color-2{background:linear-gradient(140deg,#5a356f,#a36d98)}.course-color-3{background:linear-gradient(140deg,#81532b,#c28d36)}.course-card-body{padding:16px 5px 5px;display:flex;flex-direction:column;flex:1}.course-publisher{font-size:10px;color:var(--muted)}.course-code{font-size:11px;margin:5px 0;color:var(--muted)}.course-card h2{font-size:16px;line-height:1.6;margin:7px 0}.course-card h2 a{color:var(--ink)}.course-summary{font-size:11px;line-height:1.8;margin-top:0}.course-card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:12px}.course-card-meta small{font-size:10px;color:var(--muted)}.course-badge{font-size:10px;background:#ffdb86;color:#563a0f;padding:2px 9px;border-radius:20px}.progress-meter{display:flex;align-items:center;gap:10px;margin-top:14px}.progress-meter span{font-size:11px;color:var(--muted)}progress{width:100%;height:7px;border:0;border-radius:8px;overflow:hidden;accent-color:#288367;background:var(--line)}progress::-webkit-progress-bar{background:var(--line);border-radius:8px}progress::-webkit-progress-value{background:#288367;border-radius:8px}progress::-moz-progress-bar{background:#288367;border-radius:8px}#course-count{margin:0 0 15px;font-size:12px;color:var(--muted)}.course-card{transition:transform .18s,box-shadow .18s}@media(hover:hover){.course-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #0001}}
/* Classroom */
.classroom{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;align-items:start;margin-top:28px}.roadmap{position:sticky;top:16px;max-height:calc(100dvh - 32px);overflow:auto;padding:20px}.roadmap h2{font-size:18px;margin-top:0}.roadmap>p{font-size:11px}.roadmap details{padding-top:12px;margin-top:12px}.roadmap summary{font-size:13px;font-weight:700;line-height:1.8}.roadmap ol{list-style:none;padding-left:13px;margin:12px 0;border-left:2px solid var(--line)}.roadmap li{position:relative;margin:6px 0}.roadmap li:before{content:'';position:absolute;width:7px;height:7px;left:-18px;top:20px;background:var(--primary);border-radius:50%}.roadmap li button{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;font-size:12px;font-weight:400;padding:10px;background:transparent;border:0;text-align:left;color:var(--ink);line-height:1.7}.roadmap li button[aria-current=step]{background:var(--soft);color:var(--primary);font-weight:600}.roadmap li small{font-size:10px;flex-shrink:0;color:var(--primary)}.lesson-main{display:grid;gap:20px;min-width:0}.player-title{padding:16px 22px}.player-title h2{margin:4px 0;font-size:20px}.player-title .eyebrow{font-size:9px}#lesson-player video{display:block;aspect-ratio:16/9;max-height:65vh;margin:0;border-radius:0;width:100%}.empty-video{background:var(--soft);text-align:center;padding:70px 20px;margin:0}.lesson-copy{white-space:pre-wrap;font-size:15px;line-height:1.9}.lesson-navigation{display:flex;justify-content:space-between;gap:12px;margin-top:25px}#learning-status{font-size:12px}#course-heading>p{max-width:800px}
/* Admin */
.admin-tabs{display:flex;gap:10px;margin:20px 0}.admin-tabs [aria-pressed=true]{background:var(--primary);color:var(--surface)}.admin-layout{display:grid;grid-template-columns:265px minmax(0,1fr);gap:24px;align-items:start}.admin-list-item{padding:12px 0;border-bottom:1px solid var(--line)}.admin-list-item button{background:transparent;border:0;text-align:left;padding:0;font-size:13px;color:var(--ink);line-height:1.7}.admin-list-item button.selected{color:var(--primary);font-weight:700}.admin-list-item small{display:block;font-size:10px;color:var(--muted)}.admin-form{border:0;padding:0;display:flex;flex-direction:column;gap:8px}.admin-form fieldset{border:1px solid var(--line);border-radius:8px;padding:18px;margin:20px 0}.admin-form legend{font-size:13px;font-weight:600;padding:0 8px}.admin-form>button{align-self:flex-start}.admin-form .save-content{align-self:stretch;background:var(--primary);color:var(--surface);margin-top:20px;min-height:48px}.admin-form .field{margin-bottom:14px}.admin-form .checkbox{font-size:12px}.admin-form input[readonly]{background:var(--soft);color:var(--muted)}.lesson-editor{background:var(--bg);padding:18px;border-radius:8px;margin:18px 0}.lesson-editor h3{font-size:14px}.lesson-editor>button{font-size:11px;margin:5px 8px 5px 0}.upload-status,.editor-result{font-size:12px}.upload-status{color:var(--muted)}#admin-status{font-size:13px;overflow-wrap:anywhere}
@media(max-width:1100px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.classroom{grid-template-columns:260px minmax(0,1fr)}}
@media(max-width:760px){.catalog-layout{grid-template-columns:1fr}.course-filters{position:static;padding:18px}.course-filters fieldset{display:flex;flex-wrap:wrap;gap:0 18px}.course-filters legend{float:none;width:100%}.course-filters fieldset label{margin:6px 0;font-size:12px}.course-grid{gap:12px}.course-cover{padding:14px;aspect-ratio:1.4}.course-cover strong{font-size:15px}.course-cover small{font-size:7px}.cover-symbol{font-size:35px;right:12px}.course-card{padding:9px}.course-card h2{font-size:14px}.course-summary{display:none}.course-card-body{padding-top:10px}.course-card-meta{flex-wrap:wrap}.classroom{display:flex;flex-direction:column}.roadmap{position:static;max-height:none;width:100%;order:0}.roadmap details{margin-top:8px}.lesson-main{width:100%}.lesson-main .pad{padding:20px}.player-title{padding:16px}.player-title h2{font-size:18px}.admin-layout{grid-template-columns:1fr}.admin-layout>aside{max-height:260px;overflow:auto}.chapter-editor{padding:12px!important}.lesson-editor{padding:12px}.floating-actions{right:14px;bottom:max(14px,env(safe-area-inset-bottom));gap:10px}.float-button{width:50px;height:50px}.chat-widget{right:12px;bottom:max(76px,calc(env(safe-area-inset-bottom) + 66px));width:calc(100vw - 24px);max-height:calc(100dvh - 100px);border-radius:14px}.chat-widget #messages{height:220px;min-height:80px}.chat-widget .composer input{font-size:16px}.chat-widget .suggestions{display:none}.floating-actions:has(+ *){z-index:30}footer{padding-bottom:90px}.navlinks button{font-size:13px}}
@media(max-width:380px){.course-grid{grid-template-columns:1fr}.course-cover{aspect-ratio:1.8}.course-summary{display:block}}
@media(prefers-reduced-motion:reduce){.course-card{transition:none}}
/* Community identity and account forms */
body{background-image:url('/assets/drum-pattern.svg');background-size:480px;background-attachment:fixed}main.wrap{background:var(--bg);padding-inline:24px;border-inline:1px solid var(--line)}.account-form{padding:0;border:0;display:grid;gap:12px}.account-form .field{display:grid;gap:5px}.account-form button{margin-block:8px}.required,[id$='-error']{color:#b53929}.account-form input{min-height:44px;min-width:0}.account-form input[type=number]{width:100%}#password-open,#register-from-login{margin-top:15px}.article-photo{margin:26px 0}.article-photo img{display:block;width:100%;height:auto;border-radius:6px}.article-photo figcaption{background:var(--soft);font-size:13px;color:var(--muted);padding:10px 14px;overflow-wrap:anywhere}.news-cover{display:block;width:100%;height:245px;object-fit:cover}.article-image-editor{padding:14px 0;border-bottom:1px solid var(--line)}.article-image-editor img{display:block;max-width:100%;max-height:260px;object-fit:contain}.admin-tabs{flex-wrap:wrap}body[data-theme=dark] .required,body[data-theme=dark] [id$='-error']{color:#ffad9f}body[data-theme=dark]{background-blend-mode:screen}input[readonly]{opacity:.8}.admin-list-item button{overflow-wrap:anywhere;text-align:left}.admin-form input,.admin-form select{max-width:100%}
@media(max-width:700px){main.wrap{padding-inline:12px}.news-cover{height:220px}}
/* News cover, paragraph images and manageable chapters */
.archive-row.has-cover{display:grid;grid-template-columns:minmax(0,1fr) clamp(140px,23vw,240px);gap:26px;align-items:center}.archive-copy{min-width:0}.archive-thumbnail{display:block;overflow:hidden;border-radius:8px;aspect-ratio:16/10}.archive-thumbnail img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .2s}.archive-thumbnail:hover img{transform:scale(1.03)}
.image-upload-editor{background:var(--bg);margin-top:18px}.admin-form details.chapter-editor{padding:0!important;border:1px solid var(--line);border-radius:8px;margin:20px 0;background:var(--surface)}.chapter-editor>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;font-weight:700;background:var(--soft);cursor:pointer;list-style:none;overflow-wrap:anywhere}.chapter-editor>summary::-webkit-details-marker{display:none}.chapter-editor>summary::after{content:'⌄';font-size:24px;flex-shrink:0}.chapter-editor[open]>summary::after{content:'⌃'}.chapter-editor>.field,.chapter-editor>div,.chapter-editor>button{margin:16px}.chapter-editor>.field{width:auto}.chapter-editor>button{margin-top:0}.chapter-editor[open]>summary{border-bottom:1px solid var(--line)}
.dvc-lookup{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px 24px;align-items:center;margin:24px 0;border-top:4px solid var(--primary)}.dvc-lookup p{margin:6px 0}.dvc-lookup>small{grid-column:1/-1;color:var(--muted)}.dvc-guide-heading{margin-top:36px}.official-resources{margin-top:30px;padding:20px;background:var(--soft);border-radius:8px}.official-resources a{display:block;margin:10px 0}.external-video{display:block;border:0;width:100%;aspect-ratio:16/9;background:#000}.external-video-load{display:block;width:calc(100% - 40px);margin:20px;min-height:180px;background:var(--soft)}#lesson-player>.account-note{padding-inline:20px}#lesson-description>a{display:block;margin:14px 0}
@media(max-width:600px){.archive-row.has-cover{grid-template-columns:minmax(0,1fr) 105px;gap:14px}.archive-row h2{font-size:18px}.archive-thumbnail{aspect-ratio:1}.archive-copy p{font-size:13px}.dvc-lookup{grid-template-columns:1fr}.dvc-lookup .button-link{justify-content:center}.chapter-editor>summary{padding:14px;font-size:14px}}
/* Minimum embedded-player dimensions while keeping a fluid mobile layout. */
.external-video{min-height:200px}
.message>a{display:block;font-size:11px;margin-top:10px;white-space:normal;overflow-wrap:anywhere}.bot-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.bot-stat-grid strong{display:block;font-size:20px;margin-top:8px;overflow-wrap:anywhere}.bot-stat-grid small{color:var(--muted)}.bot-config{padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.bot-config .checkbox input{width:auto}.bot-chart{display:flex;align-items:flex-end;gap:10px;overflow-x:auto;padding:20px 8px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.bot-chart-column{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:34px;flex:1}.bot-chart-column meter{writing-mode:vertical-lr;width:22px;height:120px;transform:rotate(180deg)}.bot-chart-column small{font-size:10px;color:var(--muted)}.bot-table-wrap{overflow:auto}.bot-table-wrap table{border-collapse:collapse;width:100%;font-size:12px}.bot-table-wrap th,.bot-table-wrap td{padding:10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.bot-provider-links{display:flex;gap:20px;flex-wrap:wrap;margin:18px 0}.bot-admin{min-width:0}.bot-admin>section>progress{height:12px}.bot-config label input{min-width:0}@media(max-width:760px){.bot-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bot-stat-grid .pad{padding:14px}.bot-stat-grid strong{font-size:16px}}@media(max-width:380px){.bot-stat-grid{grid-template-columns:1fr}}
.article-paragraph{white-space:pre-wrap}.article-video{margin:24px 0}.article-video>video{display:block;width:100%;max-height:560px}.article-video figcaption{font-size:13px;background:var(--soft);padding:10px 14px}.article-video>a{display:block;margin-top:8px;font-size:12px}.video-editor-row{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px}.chat-help-list{display:grid;gap:9px}.chat-help-list button{text-align:left;min-height:44px;white-space:normal}.chat-widget .suggestions{display:block}.chat-widget #chat-help-toggle{font-size:13px;width:100%;min-height:42px}.guide-list{margin-block:20px}#guide-content{max-width:900px;margin:auto}