.mobile-bar,.mobile-menu-close,.mobile-menu-backdrop,.mobile-filter-toggle,.mobile-search-tabs,.smart-actions{display:none}
.shell:not(.builder-open) .add-session{display:none}
@media(max-width:900px){
  .mobile-bar{display:flex;position:sticky;top:0;z-index:30;min-height:56px;align-items:center;justify-content:space-between;gap:12px;padding:6px 16px;background:var(--surface);border-bottom:1px solid var(--line)}
  .mobile-bar .brand{font-size:18px;margin:0;white-space:nowrap;line-height:1.3;gap:10px}
  .mobile-bar .brand-mark{width:25px;font-size:28px}
  .mobile-menu-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:44px;min-height:44px;border:0;border-radius:7px;background:transparent;color:var(--text);font-size:13px;padding:8px}
  .mobile-menu-toggle:hover,.mobile-menu-close:hover{background:#263041}
  .shell[class],.shell[class].builder-open{display:block;min-height:calc(100dvh - 56px)}
  .shell[class] .library-main{padding:22px 20px 32px;min-width:0}
  .shell[class] .sidebar{display:flex;position:fixed;inset:0 auto 0 0;width:min(320px,calc(100vw - 32px));height:100vh;height:100dvh;z-index:61;padding:24px 18px max(20px,env(safe-area-inset-bottom));visibility:hidden;transform:translateX(-100%);transition:transform .18s ease;overscroll-behavior:contain}
  .mobile-menu-open .shell[class] .sidebar{visibility:visible;transform:translateX(0)}
  .sidebar .brand{font-size:20px;white-space:nowrap;line-height:1.3;margin:0 44px 28px 0;gap:10px}
  .sidebar .brand-mark{font-size:29px;width:26px}
  .mobile-menu-close{display:grid;place-items:center;position:absolute;right:10px;top:15px;min-width:44px;min-height:44px;border:0;border-radius:7px;background:transparent;color:var(--muted)}
  .mobile-menu-backdrop{display:block;position:fixed;inset:0;z-index:60;background:#050912b3;border:0;padding:0;backdrop-filter:blur(3px)}
  .sidebar .nav{font-size:14px;min-height:48px;align-items:center;padding:12px;gap:12px}
  .sidebar .nav svg{width:20px;height:20px}
  .sidebar .nav .pro-mark{display:inline;font-size:10px}
  .sidebar-bottom{padding-top:28px}
  .sidebar .profile-row{flex-wrap:nowrap;margin:14px 9px}
  .sidebar .profile-row strong{font-size:13px}
  .sidebar .profile-row small{font-size:12px}
  .shell[class] .profile-link{width:calc(100% - 6px);margin:8px 3px 12px;padding:7px 6px;justify-content:flex-start}
  .shell[class] .profile-copy{display:block}
  .shell[class] .profile-upgrade{font-size:12px;margin:0 9px 12px}
  .sidebar .button{min-height:44px;font-size:13px}
  .sidebar-legal{flex-wrap:wrap;flex-direction:row;gap:12px}
  .sidebar-privacy{font-size:11px;min-height:32px;display:inline-flex;align-items:center}
  .library-main>header{flex-direction:row;align-items:center;gap:12px;margin-bottom:22px}
  .library-main>header h1{font-size:25px;line-height:1.3}
  .builder-toggle{font-size:12px;min-height:44px;padding:9px 11px;flex-shrink:0}
  .library-main input:not([type=checkbox]):not([type=radio]),.library-main select,dialog input:not([type=checkbox]):not([type=radio]),dialog select,dialog textarea{font-size:16px;min-height:44px}
  .library-main button,dialog button{min-height:44px}
  #library-view label,#library-view legend{font-size:13px}
  .searches{grid-template-columns:minmax(0,1fr) auto;gap:0 8px;margin-bottom:0}
  .mobile-search-tabs{display:flex;grid-column:1 / -1;gap:0;padding:0;margin-bottom:12px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}
  .mobile-search-tabs button{display:flex;flex:1;align-items:center;justify-content:center;gap:7px;min-width:0;min-height:44px;padding:10px;border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;color:var(--muted);font-size:13px;font-weight:500}
  .mobile-search-tabs button[aria-selected=true]{border-bottom-color:var(--amber);color:var(--amber)}
  .mobile-search-tabs svg{width:16px;height:16px;flex-shrink:0}
  .mobile-search-tabs .pro-mark{font-size:9px;line-height:1.3}
  .searches .search-panel-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  #standard-search-panel,#smart-form{grid-column:1;grid-row:2;min-width:0}
  #smart-form{grid-column:1 / -1}
  .smart-actions{display:flex;gap:8px;margin-top:8px}
  .smart-actions #smart-action{flex:1;min-width:0;min-height:48px;padding:10px 14px;border:1px solid #f2b65b33;border-radius:8px;background:#f2b65b10;color:var(--amber);font-size:13px;font-weight:500}
  .smart-actions .mobile-filter-toggle{flex:0 0 auto}
  .searches .search-box{margin-top:0}
  .search-box{height:48px;padding:0 12px;gap:9px}
  .search-box input{min-width:0;font-size:16px}
  .search-box button{min-height:40px;font-size:12px;flex-shrink:0;padding:7px 10px}
  .searches small{display:none}
  .mobile-filter-toggle{display:flex;grid-column:2;grid-row:2;align-items:center;justify-content:center;gap:6px;align-self:start;height:48px;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--card);padding:0 10px;margin:0;font-size:12px;white-space:nowrap}
  .mobile-filter-toggle svg{width:16px;height:16px}
  #mobile-filter-count{color:var(--amber);font-weight:600;font-variant-numeric:tabular-nums}
  .filters,.builder-open .filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .filters>*{min-width:0}
  .filters small{font-size:12px}
  .chips{margin-top:0;gap:8px}
  .chip,.clear-filters{font-size:12px;min-height:40px}
  .results-toolbar{align-items:center;flex-direction:row;flex-wrap:nowrap;gap:6px;margin:2px 0 12px;font-size:12px}
  .view-controls{gap:10px;flex-wrap:wrap}
  .view-controls label{font-size:12px!important}
  .view-controls select{font-size:14px;max-width:none;min-height:44px}
  .segmented button{min-width:44px;min-height:44px;font-size:12px;padding:10px}
  .cards,.builder-open .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .card-info{padding:14px}
  .card-title,.cards.list .card-title{font-size:16px;line-height:1.5}
  .card-heading{gap:10px}
  .recommended,.drill-meta{font-size:12px;line-height:1.8}
  .favourite{width:44px;min-width:44px;height:44px;margin-top:-7px;margin-right:-7px}
  .favourite svg{width:20px;height:20px}
  .shell:not(.builder-open) .add-session,.add-session{display:grid;width:44px;height:44px;min-height:44px;place-items:center;right:10px;top:10px}
  .add-session svg{width:22px;height:22px}
  .library-hint{font-size:12px}
  .cards.list,.builder-open .cards.list{grid-template-columns:minmax(0,1fr);gap:12px}
  .cards.list .mobile-list-card{display:grid;grid-template-columns:min(144px,48%) minmax(0,1fr);grid-template-rows:auto 1fr auto;gap:0 14px;padding:12px;min-height:0;border-radius:12px}
  .cards.list .mobile-list-card .thumb{grid-column:1;grid-row:1 / 3;width:100%;height:auto;min-height:0;aspect-ratio:16/9;align-self:start;overflow:hidden;border-radius:7px}
  .cards.list .mobile-list-card .thumb img,.cards.list .mobile-list-card .thumb video,.cards.list .mobile-list-card .sample-image{border-radius:7px}
  .cards.list .mobile-list-card .card-info{display:contents}
  .cards.list .mobile-list-card .card-heading{grid-column:2;grid-row:1;min-width:0;align-self:start}
  .cards.list .mobile-list-card .card-title{min-width:0;overflow-wrap:anywhere;font-size:14px;line-height:1.45;margin:0}
  .cards.list .mobile-list-card .recommended{grid-column:2;grid-row:2;align-self:start;font-size:11px;line-height:1.5;margin:7px 0 0;overflow-wrap:anywhere}
  .cards.list .mobile-list-card:has(>.native-downloaded-mark) .recommended{padding-right:22px}
  .cards.list .mobile-list-card .card-footer{grid-column:1 / -1;grid-row:3;display:flex;justify-content:space-between;align-items:center;gap:10px;min-width:0;margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}
  .cards.list .mobile-list-card .drill-meta{flex:1;min-width:0;display:flex;flex-wrap:wrap;gap:0 10px;font-size:12px;line-height:1.7;color:var(--muted)}
  .cards.list .mobile-list-card .drill-meta span{overflow-wrap:anywhere}
  .cards.list .mobile-list-card .drill-meta span:last-child{flex-basis:100%}
  .cards.list .mobile-list-card .card-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
  .cards.list .mobile-list-card .add-session,.cards.list .mobile-list-card .favourite{position:relative;inset:auto;display:grid;place-items:center;width:44px;min-width:44px;height:44px;min-height:44px;margin:0;padding:0;touch-action:manipulation}
  .cards.list .mobile-list-card .add-session{border-color:#788395;background:#121923}
  .cards.list .mobile-list-card .add-session.is-added{background:var(--amber);border-color:var(--amber);color:var(--bg)}
  .cards.list .mobile-list-card .add-session svg,.cards.list .mobile-list-card .favourite svg{width:22px;height:22px}
  .cards.list .mobile-list-card .content-badge{left:5px;top:5px;max-width:calc(100% - 10px);font-size:9px;padding:3px 5px}
  /* Online and offline app bridges append this mark directly to the card.
     Override their older inline positioning, keeping it beside the age. */
  .cards.list .mobile-list-card>.native-downloaded-mark{position:static!important;grid-column:2;grid-row:2;align-self:start;justify-self:end;margin-top:8px;width:14px!important;height:14px!important}
  .cards.list .mobile-list-card>.native-downloaded-mark svg{display:block;width:100%;height:100%}
  .preview-banner{font-size:12px;gap:12px;align-items:center}
  .preview-banner label{font-size:12px}
  dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow:auto;overscroll-behavior:contain;padding:22px}
  .detail-dialog{width:min(850px,calc(100vw - 24px))}
  .dialog-heading{gap:12px;align-items:start}
  .dialog-heading h2{font-size:19px;line-height:1.5;overflow-wrap:anywhere}
  .dialog-heading .icon-button{min-width:44px;min-height:44px;margin:-7px -7px 0 0}
  dialog label,dialog p,.detail-sections,.detail-tags{font-size:14px;overflow-wrap:anywhere}
  .detail-sections{grid-template-columns:1fr;gap:14px}
  .detail-stats{flex-wrap:wrap;gap:10px}
  .account-terms .account-terms-label,.account-terms #account-terms-status{font-size:12px}
  #toast{max-width:calc(100vw - 24px);font-size:13px;bottom:max(18px,env(safe-area-inset-bottom))}
}
@media(max-width:650px){
  .shell[class] .library-main{padding:20px 16px 28px}
  .cards,.builder-open .cards{grid-template-columns:1fr}
  .view-controls{width:100%;justify-content:space-between;gap:8px}
  .view-controls label{gap:6px}
  .view-controls select{font-size:13px;padding-left:9px}
  .preview-banner label{flex-wrap:nowrap}
}
@media(max-width:365px){
  .mobile-bar{padding-inline:12px}
  .mobile-bar .brand{font-size:16px}
  .shell[class] .library-main{padding-inline:12px}
  .library-main>header h1{font-size:22px}
  .builder-toggle{font-size:11px;gap:6px;padding-inline:9px}
  .builder-toggle svg{width:17px}
  .filters,.builder-open .filters{grid-template-columns:1fr}
  .segmented button{font-size:11px;padding-inline:8px;gap:4px}
  .view-controls select{max-width:137px}
}

/* Keep each player value between its controls, including with the builder open. */
#library-view{container:library-filters / inline-size;overflow-anchor:none}
.filters,.builder-open .filters{grid-template-columns:minmax(120px,1fr) minmax(120px,1fr) minmax(105px,.8fr) minmax(96px,.7fr) 224px}
.filters>.player-filter{min-width:0}
.filters .player-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.player-control{min-width:0}
.filters .player-control>label{margin:0 0 5px;font-size:10px;font-weight:400;color:var(--muted)}
.player-stepper{display:grid;grid-template-columns:44px minmax(36px,1fr) 44px;align-items:stretch;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--card)}
.player-stepper:focus-within{border-color:var(--amber)}
.filters .player-stepper:has(input:focus-visible){outline:2px solid var(--amber);outline-offset:2px}
.filters .player-stepper input:focus,.filters .player-stepper input:focus-visible{outline:0;box-shadow:none}
.player-stepper button{display:grid;place-items:center;min-width:44px;min-height:44px;border:0;border-radius:7px;background:transparent;color:var(--text);padding:0;font-size:21px;line-height:1;touch-action:manipulation}
.player-stepper button:disabled{opacity:.3}
.player-stepper button:active:not(:disabled){background:#f2b65b22;color:var(--amber)}
.player-stepper button:focus-visible{position:relative;z-index:1;outline-offset:2px}
.filters .player-stepper input{width:100%;min-width:0;height:44px;margin:0;padding:0 2px;border:0;border-radius:0;background:transparent;text-align:center;font-size:13px;font-variant-numeric:tabular-nums;appearance:textfield;-moz-appearance:textfield}
.player-stepper input::-webkit-inner-spin-button,.player-stepper input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
@media(hover:hover){.player-stepper button:hover:not(:disabled){background:#f2b65b15;color:var(--amber)}}
@media(max-width:900px){.filters .player-control>label{font-size:12px}.filters .player-stepper input{font-size:16px}}
@container library-filters (max-width:900px){
  .filters,.builder-open .filters{grid-template-columns:repeat(3,minmax(0,1fr))}
  .filters>.player-filter{grid-column:span 2}
}
@container library-filters (max-width:560px){
  .filters,.builder-open .filters{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@container library-filters (max-width:330px){
  .filters,.builder-open .filters{grid-template-columns:minmax(0,1fr)}
  .filters>.player-filter{grid-column:auto}
}

/* Preserve the native picker while allowing its selected label to wrap on phones. */
.select-display{display:contents}
.select-display-value{display:none}
@media(max-width:900px){
  .filters select{height:auto;min-height:48px;line-height:1.5}
  .filters .select-display,.view-controls .select-display{display:block;position:relative;min-width:0;margin-top:7px}
  .select-display .select-display-value{display:flex;align-items:center;min-height:50px;padding:11px 38px 11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--text);font-size:16px;font-weight:400;line-height:1.5;white-space:normal;overflow-wrap:anywhere;pointer-events:none}
  .select-display::after{content:"";position:absolute;right:16px;top:calc(50% - 5px);width:7px;height:7px;border:solid var(--text);border-width:0 1.5px 1.5px 0;transform:rotate(45deg);pointer-events:none}
  .library-main .select-display select{position:absolute;inset:0;width:100%;height:100%;min-height:48px;max-width:none;margin:0;opacity:0;font-size:16px;cursor:pointer}
  .select-display:focus-within .select-display-value{outline:2px solid var(--amber);outline-offset:2px}
  .select-display.is-disabled .select-display-value,.select-display.is-disabled::after{opacity:.45}
  .library-main .select-display.is-disabled select{cursor:not-allowed}
  .view-controls label{min-width:0;max-width:100%}
  .view-controls .select-display{flex:1;margin-top:0}
  .view-controls .select-display-value{font-size:14px;min-height:44px;padding-block:10px}
}
@media(max-width:650px){
  .library-main>header{flex-wrap:wrap}
  .library-main>header h1{min-width:0;overflow-wrap:anywhere}
  .builder-toggle{margin-left:auto}
  .filters>label:has(#category),.filters>label:has(#subcategory){grid-column:1 / -1}
  .view-controls label{flex:1 1 190px}
  .view-controls .segmented{flex-shrink:0;margin-left:auto}
}

/* Keep selected filters in a stable rail rather than adding rows above the drills. */
#chips{height:36px;min-height:36px;max-width:100%;margin-top:4px;padding:2px 0;flex-wrap:nowrap;align-items:center;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;scrollbar-width:none}
#chips::-webkit-scrollbar{display:none}
#chips>.chip,#chips>.clear-filters{flex:0 0 auto;white-space:nowrap;min-height:30px}
#chips>.chip:focus-visible,#chips>.clear-filters:focus-visible{outline-offset:-2px}
@media(min-width:901px){
  .filters>.player-filter{width:224px;max-width:100%;justify-self:start}
  .filters .player-inputs{gap:8px}
  .player-stepper{grid-template-columns:32px minmax(36px,1fr) 32px;min-height:39px}
  .player-stepper button{min-width:32px;min-height:37px;font-size:18px}
  .filters .player-stepper input{height:37px;font-size:12px}
}
@media(max-width:900px){
  #chips{height:44px;min-height:44px;margin-top:2px;padding:0;gap:6px}
  #chips>.chip,#chips>.clear-filters{min-height:44px}
}

/* Keep touch video dialogs on a plain dimmed backdrop to avoid competing
   filtered layers while the native video player opens and closes. */
@media(max-width:900px), (any-pointer:coarse){
  #drill-dialog::backdrop{-webkit-backdrop-filter:none;backdrop-filter:none}
}

/* Mobile filters are a draft in a modal, with actions outside its scroll area. */
#mobile-filters-dialog{padding:0;width:min(520px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:hidden;border-radius:16px;background:var(--surface)}
#mobile-filters-dialog::backdrop{background:#050912b8;-webkit-backdrop-filter:none;backdrop-filter:none}
#mobile-filters-form{display:flex;flex-direction:column;max-height:calc(100dvh - 26px);min-height:0;margin:0}
.mobile-filters-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-shrink:0;padding:16px 22px 8px}
.mobile-filters-heading h2{font-size:21px;line-height:1.4;margin:0;font-weight:600}
.mobile-filters-heading button,.mobile-filters-actions .text-button{min-height:44px;padding:8px 0;font-size:14px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.mobile-filters-heading button:hover,.mobile-filters-actions .text-button:hover:not(:disabled){color:var(--text)}
.mobile-filters-body{min-height:0;overflow:auto;overscroll-behavior:contain;padding:14px 22px 22px}
#mobile-filters-dialog .filters{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin:0}
#mobile-filters-dialog .filters>label{font-size:14px;line-height:1.5;margin:0;min-width:0}
#mobile-filters-dialog .player-filter{grid-column:auto;width:auto;max-width:none;margin:0;padding:0;border:0;min-width:0}
#mobile-filters-dialog .player-filter>legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
#mobile-filters-dialog .player-inputs{gap:12px}
#mobile-filters-dialog .player-control>label{display:block;color:var(--text);font-size:13px;line-height:1.5;font-weight:500;min-height:20px;margin-bottom:7px}
#mobile-filters-dialog .player-stepper{grid-template-columns:44px minmax(0,1fr) 44px;min-height:48px}
#mobile-filters-dialog .player-stepper input{font-size:16px;height:48px;min-height:48px}
#mobile-filters-dialog .player-stepper button{min-width:44px;min-height:48px}
#mobile-filters-dialog .player-filter small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:9px}
.mobile-filters-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-shrink:0;border-top:1px solid var(--line);padding:16px 22px max(16px,env(safe-area-inset-bottom));background:var(--surface)}
.mobile-filters-actions .button{min-height:48px;padding:12px 19px;font-size:14px;font-weight:500}
.mobile-filters-actions .text-button:disabled{opacity:.4;cursor:default}
@media(max-width:900px){
  #filters-panel{display:none}
  #mobile-filters-dialog .select-display select{position:absolute;inset:0;width:100%;height:100%;min-height:48px;max-width:none;margin:0;opacity:0;font-size:16px;cursor:pointer}
  #mobile-filters-dialog .select-display.is-disabled select{cursor:not-allowed}
}
@media(max-width:365px){
  .mobile-filters-heading{padding-inline:16px}
  .mobile-filters-body{padding-inline:16px}
  .mobile-filters-actions{padding-inline:16px;gap:12px}
  #mobile-filters-dialog .player-control>label{min-height:39px}
}


/* The compact mobile toolbar keeps search, filters and results close together. */
.chip-mobile-label,.chip-mobile-only{display:none}
.chip .chip-desktop-label,.chip .chip-desktop-label span,.chip .chip-mobile-label{padding:0;color:inherit}
.chip .chip-action-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:900px){
  .library-main>header{margin-bottom:12px}
  .mobile-compact-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
  #library-view .view-controls{width:auto;min-width:0;flex:1 1 auto;flex-wrap:nowrap;justify-content:flex-end;gap:5px}
  #library-view .view-controls label{flex:0 1 150px;min-width:0;gap:0}
  #library-view .view-controls .select-display{width:100%;min-width:0}
  #library-view .view-controls .select-display-value{height:44px;min-height:44px;padding:0 23px 0 7px;border-color:var(--line);background:var(--card);font-size:12px;line-height:1.3;white-space:normal;overflow-wrap:normal;display:flex;align-items:center}
  #library-view .view-controls .select-display::after{right:8px;width:6px;height:6px}
  #library-view .view-controls .select-display select{min-height:44px}
  #library-view .view-controls .segmented{margin:0;flex-shrink:0}
  #library-view .segmented button{justify-content:center;width:44px;height:44px;min-width:44px;padding:0;gap:0}
  #library-view .segmented svg{width:17px;height:17px}
  #library-view .segmented button.selected{background:#f2b65b12;color:var(--amber)}
  #result-count{min-width:0;line-height:1.4;color:var(--muted)}
  #chips>.chip{position:relative;isolation:isolate;display:inline-flex;align-items:center;gap:7px;border:0;border-radius:0;background:none;padding:7px 10px;color:var(--text);font-size:11px}
  #chips>.chip::before{content:"";position:absolute;inset:7px 0;border:1px solid #f2b65b99;border-radius:16px;background:#f2b65b06;z-index:-1;pointer-events:none}
  #chips>.chip>span[aria-hidden=true]{padding:0;color:var(--amber);font-size:16px;line-height:1}
  #chips>.clear-filters{font-size:11px;min-width:44px;padding:7px 2px;margin-left:auto}
  #chips .chip-desktop-label,#chips>.chip-desktop-only{display:none}
  #chips .chip-mobile-label{display:inline}
  #chips>.chip-mobile-only{display:inline-flex}
}
@media(max-width:365px){
  .search-box{gap:7px;padding-inline:9px}
  .mobile-filter-toggle{padding-inline:8px;gap:4px}
  #smart-form .search-box>svg{display:none}
  #smart-form .search-box button{padding-inline:6px;font-size:11px}
}