/* ACI LMS - Course Studio (front-end course editor). Builds on front.css tokens. */
.aci-studio{padding:8px 0 90px}
.aci-studio [hidden]{display:none!important}
.aci-studio h2,.aci-studio h3,.aci-studio h4{color:var(--aci-ink)}

/* Top bar */
.aci-st-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0 14px;border-bottom:1px solid var(--aci-line);margin-bottom:6px}
.aci-st-brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;color:var(--aci-brand)!important}
.aci-st-top nav{display:flex;gap:6px;flex-wrap:wrap}
.aci-st-top nav a{padding:6px 12px;border-radius:8px;text-decoration:none;font-size:.9rem;color:var(--aci-mute)!important}
.aci-st-top nav a:hover{background:var(--aci-soft);color:var(--aci-ink)!important}

/* Page heads */
.aci-st-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:8px 0 10px}
.aci-st-head .aci-h{margin:4px 0 0}
.aci-st-head .aci-small{margin:2px 0 0}
.aci-st-head-r{display:flex;align-items:center;gap:10px}
.aci-st-back{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;color:var(--aci-mute)!important;text-decoration:none}
.aci-st-back:hover{color:var(--aci-ink)!important}

/* Course list */
.aci-st-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:14px 0 22px}
.aci-st-stats div{background:var(--aci-soft);border-radius:12px;padding:12px 16px}
.aci-st-stats b{display:block;font-size:1.6rem;line-height:1.1}
.aci-st-stats span{color:var(--aci-mute);font-size:.85rem}
.aci-st-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.aci-st-card{background:var(--aci-card);border:1px solid var(--aci-line);border-radius:var(--aci-r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--aci-shadow)}
.aci-st-thumb{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;background:var(--aci-soft) center/cover no-repeat;color:var(--aci-mute)!important}
.aci-st-card-b{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.aci-st-card-b h3{margin:2px 0;font-size:1.05rem;line-height:1.3}
.aci-st-card-b h3 a{text-decoration:none}
.aci-st-card-b h3 a:hover{text-decoration:underline}
.aci-st-line{display:flex;align-items:center;justify-content:space-between;gap:8px}
.aci-st-price{font-weight:700}
.aci-st-meta{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--aci-mute);font-size:.85rem}
.aci-st-meta li{display:flex;align-items:center;gap:5px}
.aci-st-warn{margin:0;font-size:.82rem;color:#9a5a00}
.aci-st-actions{display:flex;gap:8px;margin-top:auto;padding-top:8px}

/* Editor layout */
.aci-st-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:26px;align-items:start;margin-top:14px}
.aci-st-steps{display:flex;flex-direction:column;gap:2px;position:sticky;top:18px}
.aci-st-steps button{display:flex;align-items:center;gap:10px;background:none;border:0;border-left:3px solid transparent;border-radius:0 10px 10px 0;padding:11px 14px;font:inherit;font-weight:600;color:var(--aci-mute);cursor:pointer;text-align:left}
.aci-st-steps button:hover{background:var(--aci-soft);color:var(--aci-ink)}
.aci-st-steps button.is-on{border-left-color:var(--aci-accent);background:var(--aci-soft);color:var(--aci-ink)}
.aci-st-panes{min-width:0}
.aci-st-pane{background:var(--aci-card);border:1px solid var(--aci-line);border-radius:var(--aci-r);padding:22px 24px;margin:0 0 18px;box-shadow:var(--aci-shadow)}
.aci-st-pane>h3{margin:0 0 16px;font-size:1.15rem}
.aci-st-single{max-width:820px;margin-top:14px}

/* Fields */
.aci-st-f{display:flex;flex-direction:column;gap:6px;margin:0 0 18px}
.aci-st-l{font-weight:600;font-size:.92rem}
.aci-st-hint{margin:0;color:var(--aci-mute);font-size:.84rem;line-height:1.5}
.aci-studio input[type=text],.aci-studio input[type=url],.aci-studio input[type=number],.aci-studio input[type=datetime-local],.aci-studio select,.aci-studio textarea{width:100%;padding:11px 13px;border:1px solid var(--aci-line);border-radius:10px;font:inherit;font-weight:400;background:#fff;color:var(--aci-ink);box-shadow:none;min-height:44px}
.aci-studio textarea{min-height:0;resize:vertical;line-height:1.55}
.aci-studio input:focus,.aci-studio select:focus,.aci-studio textarea:focus{border-color:var(--aci-brand);outline:3px solid rgba(15,42,67,.14);outline-offset:0}
.aci-st-two{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.aci-st-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 16px}
.aci-st-narrow{max-width:200px}
.aci-st-sep{height:1px;background:var(--aci-line);margin:12px 0}
.aci-st-money{display:flex;align-items:center;gap:0;max-width:240px}
.aci-st-money span{display:flex;align-items:center;justify-content:center;min-width:46px;min-height:44px;background:var(--aci-soft);border:1px solid var(--aci-line);border-right:0;border-radius:10px 0 0 10px;font-weight:700}
.aci-st-money input{border-radius:0 10px 10px 0!important}
.aci-st-check{display:flex;gap:12px;align-items:flex-start;padding:8px 0;cursor:pointer}
.aci-st-check input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--aci-brand)}
.aci-st-check span{display:flex;flex-direction:column}
.aci-st-check small{color:var(--aci-mute);font-weight:400}
.aci-st-scroll{max-height:220px;overflow:auto;border:1px solid var(--aci-line);border-radius:10px;padding:4px 12px}
.aci-st-upfield{display:flex;gap:8px;align-items:stretch}
.aci-st-upfield .aci-btn{flex:none}
.aci-st-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.aci-st-chip{cursor:pointer}
.aci-st-chip input{position:absolute;opacity:0;pointer-events:none}
.aci-st-chip span{display:inline-block;padding:7px 14px;border:1px solid var(--aci-line);border-radius:999px;font-size:.9rem}
.aci-st-chip input:checked+span{background:var(--aci-brand);border-color:var(--aci-brand);color:#fff}
.aci-st-chip input:focus-visible+span{outline:3px solid var(--aci-accent);outline-offset:2px}

/* Choice cards */
.aci-st-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.aci-st-choice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:2px solid var(--aci-line);border-radius:12px;cursor:pointer;background:#fff}
.aci-st-choice input{margin:3px 0 0;accent-color:var(--aci-brand);flex:none}
.aci-st-choice span{display:flex;flex-direction:column;gap:2px}
.aci-st-choice small{color:var(--aci-mute);line-height:1.4}
.aci-st-choice.is-on{border-color:var(--aci-brand);background:var(--aci-soft)}
.aci-st-drip{margin-top:8px;display:flex;gap:10px;align-items:center}
.aci-st-drip input[type=number]{max-width:110px}

/* Thumbnail */
.aci-st-thumbbox{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.aci-st-thumbimg{width:200px;aspect-ratio:16/9;border-radius:10px;border:1px dashed var(--aci-line);background:var(--aci-soft) center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:var(--aci-mute)}

/* Repeater */
.aci-st-rep-rows{display:flex;flex-direction:column;gap:10px;margin-bottom:10px}
.aci-st-rep-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px;background:var(--aci-soft);border-radius:12px;align-items:start}
.aci-st-rep-row>*:not(.aci-st-x){grid-column:1}
.aci-st-rep-row .aci-st-x{grid-column:2;grid-row:1}
.aci-st-x,.aci-st-ib{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 6px;border:1px solid var(--aci-line);border-radius:8px;background:#fff;color:var(--aci-ink)!important;font:600 1rem/1 inherit;cursor:pointer;text-decoration:none}
.aci-st-x:hover,.aci-st-ib:hover{border-color:var(--aci-brand)}
.aci-st-ib.is-del:hover{border-color:var(--aci-bad);color:var(--aci-bad)!important}

/* Rich text editor */
.aci-rte{border:1px solid var(--aci-line);border-radius:12px;background:#fff;overflow:hidden}
.aci-rte:focus-within{border-color:var(--aci-brand);outline:3px solid rgba(15,42,67,.14)}
.aci-rte-bar{display:flex;flex-wrap:wrap;gap:4px;padding:8px;background:var(--aci-soft);border-bottom:1px solid var(--aci-line)}
.aci-rte-bar button{min-width:38px;height:36px;padding:0 10px;border:1px solid transparent;border-radius:8px;background:none;font:inherit;font-size:.88rem;color:var(--aci-ink);cursor:pointer}
.aci-rte-bar button:hover{background:#fff;border-color:var(--aci-line)}
.aci-rte-body{min-height:200px;max-height:520px;overflow:auto;padding:14px 16px;outline:none;line-height:1.7}
.aci-rte-body:empty:before{content:attr(data-placeholder);color:var(--aci-mute)}
.aci-rte-body h2{font-size:1.35rem;margin:1em 0 .4em}
.aci-rte-body h3{font-size:1.15rem;margin:1em 0 .4em}
.aci-rte-body p{margin:0 0 .9em}
.aci-rte-body ul,.aci-rte-body ol{margin:0 0 .9em 1.4em}
.aci-rte-body blockquote{margin:0 0 .9em;padding:6px 14px;border-left:4px solid var(--aci-accent);background:var(--aci-soft)}
.aci-rte-body img{max-width:100%;height:auto;border-radius:8px}

/* Publish tab */
.aci-st-check-list{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:6px}
.aci-st-check-list li{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:var(--aci-soft)}
.aci-st-check-list li.is-ok{color:#17694c}
.aci-st-check-list li.is-ok svg{color:var(--aci-ok)}
.aci-st-check-list li.is-todo svg{color:#b97800}
.aci-st-check-list span{flex:1}
.aci-st-link{background:none;border:0;color:var(--aci-brand);font:600 .9rem inherit;text-decoration:underline;cursor:pointer;padding:4px}
.aci-st-danger{margin-top:28px;padding-top:18px;border-top:1px solid var(--aci-line)}
.aci-st-danger h4{margin:0 0 4px}
.aci-st-lock{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:18px;border:1px dashed var(--aci-line);border-radius:12px;color:var(--aci-mute)}
.aci-st-lock p{margin:0}

/* Sticky save bar */
.aci-st-savebar{position:sticky;bottom:0;z-index:20;display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.96);border-top:1px solid var(--aci-line);box-shadow:0 -6px 18px rgba(15,42,67,.08);margin-top:10px;backdrop-filter:blur(6px)}
.aci-st-state{margin-right:auto;font-size:.85rem;color:var(--aci-mute)}
.aci-st-state.is-dirty{color:#9a5a00;font-weight:600}
.aci-st-savebar .aci-btn[disabled]{opacity:.6;cursor:wait}

/* Curriculum */
.aci-st-curbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.aci-st-saved{font-size:.85rem;color:var(--aci-mute)}
.aci-st-saved.is-saved{color:var(--aci-ok)}
.aci-st-saved.is-error{color:var(--aci-bad);font-weight:600}
.aci-st-sec{border:1px solid var(--aci-line);border-radius:14px;margin:0 0 16px;background:#fff;overflow:hidden}
.aci-st-sec-h{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--aci-soft);border-bottom:1px solid var(--aci-line)}
.aci-studio input.aci-st-sec-t{flex:1;min-width:0;font-weight:700;background:transparent;border-color:transparent;padding:8px 10px}
.aci-studio input.aci-st-sec-t:hover{border-color:var(--aci-line);background:#fff}
.aci-st-items{list-style:none;margin:0;padding:0}
.aci-st-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-bottom:1px solid var(--aci-line)}
.aci-st-item:last-child{border-bottom:0}
.aci-st-ico{flex:none;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700}
.aci-st-ico.is-lesson{background:#e3effc;color:#1d5fa8}
.aci-st-ico.is-quiz{background:#faf0dc;color:#9a6a12}
.aci-st-ico.is-assign{background:#e1f4ea;color:#17694c}
.aci-st-item-t{flex:1;min-width:0;font-weight:600;text-decoration:none;overflow:hidden}
.aci-st-item-t span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.aci-st-item-t:hover span{text-decoration:underline}
.aci-st-item-m{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.aci-st-badge{background:#fff3d6;color:#8a5a00;border-radius:999px;padding:2px 10px;font-size:.75rem;font-weight:700}
.aci-st-info{color:var(--aci-mute);font-size:.82rem;white-space:nowrap}
.aci-st-item-a{display:inline-flex;gap:6px;flex:none}
.aci-st-empty{color:var(--aci-mute);margin:0;padding:16px}
.aci-st-addrow{display:flex;flex-wrap:wrap;gap:8px;padding:12px}
.aci-st-addbtn{border:1px dashed var(--aci-line);background:#fff;border-radius:999px;padding:8px 16px;font:600 .88rem inherit;color:var(--aci-brand);cursor:pointer}
.aci-st-addbtn:hover{border-color:var(--aci-brand);background:var(--aci-soft)}
.aci-st-addform{display:flex;gap:8px;padding:12px;flex-wrap:wrap;align-items:center}
.aci-st-addform input{flex:1;min-width:180px}

/* Quiz builder */
.aci-st-q{border:1px solid var(--aci-line);border-radius:14px;padding:14px;margin:0 0 14px;display:flex;flex-direction:column;gap:10px;background:#fff}
.aci-st-q.has-warn{border-color:#e0a63a}
.aci-st-q-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.aci-st-q-h b{margin-right:4px}
.aci-st-q-h select{width:auto;min-width:160px}
.aci-st-pts{display:flex;align-items:center;gap:6px;font-size:.88rem;color:var(--aci-mute)}
.aci-st-pts input{width:76px!important}
.aci-st-q-h .aci-st-item-a{margin-left:auto}
.aci-st-opts{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.aci-st-opt{display:flex;align-items:center;gap:10px}
.aci-st-opt>input[type=radio],.aci-st-opt>input[type=checkbox]{width:22px;height:22px;flex:none;accent-color:var(--aci-ok)}
.aci-st-tf{padding:10px 14px;border:1px solid var(--aci-line);border-radius:10px;cursor:pointer}
.aci-st-qwarn{margin:0;color:#9a5a00;font-size:.85rem;font-weight:600}
.aci-st-import{margin-top:14px;border:1px dashed var(--aci-line);border-radius:12px;padding:10px 14px}
.aci-st-import summary{cursor:pointer;font-weight:600}
.aci-st-import textarea{margin:8px 0;font-family:ui-monospace,Menlo,monospace;font-size:.88rem}

/* Small screens */
@media (max-width:860px){
	.aci-st-layout{grid-template-columns:1fr;gap:14px}
	.aci-st-steps{position:sticky;top:0;z-index:15;flex-direction:row;overflow-x:auto;gap:4px;background:#fff;padding:8px 2px;border-bottom:1px solid var(--aci-line);-webkit-overflow-scrolling:touch;scrollbar-width:none}
	.aci-st-steps::-webkit-scrollbar{display:none}
	.aci-st-steps button{flex:none;border-left:0;border-bottom:3px solid transparent;border-radius:8px;padding:9px 12px;white-space:nowrap}
	.aci-st-steps button.is-on{border-bottom-color:var(--aci-accent)}
	.aci-st-pane{padding:18px 16px}
	.aci-st-two,.aci-st-three{grid-template-columns:1fr}
	.aci-st-stats{gap:8px}
	.aci-st-stats div{padding:10px 12px}
	.aci-st-item{flex-wrap:wrap}
	.aci-st-item-m{order:3;flex-basis:100%;justify-content:flex-start;padding-left:46px}
	.aci-st-upfield{flex-wrap:wrap}
	.aci-st-upfield input{flex:1 1 100%}
	.aci-st-q-h .aci-st-item-a{margin-left:0}
	.aci-st-savebar .aci-btn{flex:1}
}
@media (prefers-reduced-motion:reduce){.aci-studio *{transition:none!important}}