/* Smart MicroCourse builder */
.gs-steps{position:sticky;top:66px;z-index:30;display:flex;gap:8px;align-items:center;padding:10px;margin:0 0 18px;border-radius:18px;background:rgba(11,16,38,.75);backdrop-filter:blur(14px);border:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.gs-steps::-webkit-scrollbar{display:none}
.gs-steps button{display:flex;align-items:center;gap:9px;padding:9px 16px 9px 9px;border-radius:13px;border:1px solid transparent;background:none;font-weight:800;font-size:14px;color:var(--mut);cursor:pointer;transition:.25s;white-space:nowrap}
.gs-steps button b{width:26px;height:26px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.08);font-size:12.5px;transition:.25s}
.gs-steps button.on{color:#fff;background:var(--panel2);border-color:var(--line2)}
.gs-steps button.on b{background:var(--g);box-shadow:0 6px 16px -4px rgba(124,58,237,.8)}
.gs-steps .lib{padding:9px 14px}.gs-steps .lib em{font-style:normal;background:var(--g);border-radius:999px;padding:1px 8px;font-size:12px;color:#fff}
.gs-view{display:none}.gs-view.on{display:block;animation:up .5s var(--ease)}
.gs-drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:28px;border-radius:16px;border:2px dashed var(--line2);cursor:pointer;text-align:center;transition:.2s;background:rgba(255,255,255,.02)}
.gs-drop:hover,.gs-drop.hov{border-color:var(--c1);background:rgba(34,211,238,.06)}
.gs-drop .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--g);font-size:20px}.gs-drop small{color:var(--mut)}
.mc-create{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:18px;align-items:start}
.mc-opts{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:12px;margin-top:10px}
.mc-seg{display:flex;flex-wrap:nowrap;width:100%}.mc-seg button{flex:1;padding:9px 6px;white-space:nowrap;font-size:12.5px}
.mc-themes{display:flex;gap:8px;flex-wrap:wrap}
.mc-themes button{position:relative;width:74px;height:48px;border-radius:13px;border:2px solid transparent;cursor:pointer;transition:.2s var(--ease);box-shadow:0 8px 18px -10px rgba(0,0,0,.8)}
.mc-themes button span{position:absolute;left:0;right:0;bottom:-20px;font-size:11px;font-weight:700;color:var(--mut)}
.mc-themes{padding-bottom:20px}.mc-themes.sm{padding-bottom:0}.mc-themes.sm button{width:34px;height:34px;border-radius:10px}
.mc-themes button:hover{transform:translateY(-2px)}.mc-themes button.on{border-color:#fff;transform:scale(1.05)}.mc-themes button.on span{color:#fff}
.mc-tg{display:flex;align-items:center;gap:10px;margin:16px 0 4px;cursor:pointer;flex-wrap:wrap}
.mc-tg input{display:none}.mc-tg>span{position:relative;width:44px;height:26px;border-radius:26px;background:rgba(255,255,255,.14);transition:.25s;flex:none}
.mc-tg>span:after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.25s var(--ease)}
.mc-tg input:checked+span{background:var(--g)}.mc-tg input:checked+span:after{transform:translateX(18px)}
.mc-tg b{font-size:14px}.mc-tg small{color:var(--mut);font-size:12.5px;width:100%;padding-left:54px;margin-top:-6px}
.mc-tg.sm{margin:0}.mc-tg.sm small{display:none}
.mc-go{width:100%;justify-content:center;height:54px;font-size:16px;margin-top:16px}
.mc-ready{margin-top:16px;padding:16px;border-radius:16px;border:1px solid rgba(52,211,153,.35);background:rgba(52,211,153,.07)}
.mc-side{display:flex;flex-direction:column;gap:18px}
.mc-what{display:flex;gap:16px;align-items:center;overflow:hidden;position:relative}
.mc-what img,.mc-what video{width:120px;height:160px;object-fit:cover;border-radius:16px;flex:none;box-shadow:0 18px 40px -16px rgba(124,58,237,.8)}
.mc-samples{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.mc-smp{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(120deg,color-mix(in srgb,var(--a) 14%,transparent),transparent 60%),rgba(255,255,255,.03);color:var(--tx);cursor:pointer;text-align:left;transition:.25s var(--ease)}
.mc-smp:hover{transform:translateX(4px);border-color:color-mix(in srgb,var(--a) 60%,transparent)}
.mc-smp .em{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,var(--a),var(--b));flex:none}
.mc-smp span{flex:1;min-width:0}.mc-smp b{display:block;font-size:14.5px}.mc-smp small{color:var(--mut);font-size:12px}.mc-smp em{font-style:normal;font-size:12.5px;font-weight:800;color:var(--a)}
/* edit */
.mc-ehead{display:flex;gap:18px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;margin-bottom:16px}
.mc-tt{flex:1;min-width:280px;display:flex;flex-direction:column;gap:8px}
.mc-title{font-size:22px;font-weight:800;padding:10px 14px}.mc-title.sm{font-size:18px}
.mc-etools{display:flex;gap:18px;align-items:flex-end;flex-wrap:wrap}
.mc-edit{display:grid;grid-template-columns:320px minmax(0,1fr);gap:18px;align-items:start}
.mc-list{padding:0;overflow:hidden;position:sticky;top:140px}
.mc-lh{display:flex;justify-content:space-between;align-items:baseline;padding:14px 16px;border-bottom:1px solid var(--line)}
#lessons{list-style:none;display:flex;flex-direction:column;gap:4px;padding:8px}
#lessons li,li.ghost{display:flex;align-items:center;gap:10px;padding:10px;border-radius:14px;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s;background:transparent;list-style:none;color:var(--tx)}
#lessons li:hover{background:rgba(255,255,255,.04)}
#lessons li.on{background:linear-gradient(100deg,rgba(34,211,238,.14),rgba(124,58,237,.14));border-color:rgba(167,139,250,.45)}
#lessons li.drag{opacity:.35;border:1px dashed var(--line2)}
li.ghost{background:#1a1f48!important;border-color:var(--c1)!important;box-shadow:0 20px 40px -10px rgba(0,0,0,.8);transform:rotate(-1.5deg) scale(1.02)}
.hd{cursor:grab;color:var(--mut2);font-size:18px;padding:2px 4px;touch-action:none;user-select:none}
.hd:active{cursor:grabbing}
#lessons .em,li.ghost .em{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.07);font-size:18px;flex:none}
#lessons .tx,li.ghost .tx{flex:1;min-width:0}#lessons .tx small,li.ghost .tx small{display:block;font-size:11px;color:var(--mut2);font-weight:700}
#lessons .tx b,li.ghost .tx b{display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mv{display:flex;flex-direction:column;gap:2px;opacity:0;transition:.2s}#lessons li:hover .mv,#lessons li.on .mv{opacity:1}
.mv button{border:0;background:rgba(255,255,255,.07);color:var(--mut);font-size:9px;width:22px;height:16px;border-radius:5px;cursor:pointer}.mv button:disabled{opacity:.25;cursor:default}
.mc-led .lbl{margin-top:14px}
.mc-lt{display:flex;gap:10px;margin-top:12px}.mc-emo{width:64px;text-align:center;font-size:24px;padding:6px}
.mc-led .ta+.ta{margin-top:8px}
.mc-an{margin-top:16px;padding:14px;border-radius:16px;background:linear-gradient(120deg,rgba(34,211,238,.08),rgba(236,72,153,.08));border:1px solid rgba(34,211,238,.25)}.mc-an .ta{margin-top:8px}
.mc-pts{display:flex;flex-direction:column;gap:6px}
.mc-q{margin-top:16px;padding:14px;border-radius:16px;background:rgba(124,58,237,.08);border:1px solid rgba(167,139,250,.3)}
.mc-chs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}
.mc-chs label{display:flex;align-items:center;gap:8px;padding:4px 4px 4px 10px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.mc-chs label.ok{border-color:rgba(52,211,153,.6);background:rgba(52,211,153,.08)}
.mc-chs input[type=radio]{accent-color:#34d399;width:18px;height:18px;flex:none}.mc-chs .in{border:0;background:none;padding:8px}
.shim{position:relative;overflow:hidden}.shim:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);animation:sh 1.1s infinite}
/* preview */
.mc-ph{justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:10px}
.mc-pl:fullscreen{background:#05081a;padding:2vh 2vw;display:flex}.mc-pl:fullscreen .mcp{flex:1}
/* export */
.mc-exp{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mc-xc{display:flex;flex-direction:column;gap:8px;transition:.25s var(--ease)}.mc-xc:hover{transform:translateY(-3px);border-color:var(--line2)}
.mc-xc i{font-style:normal;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:26px;background:var(--g);box-shadow:0 14px 30px -12px rgba(124,58,237,.8)}
.mc-xc p{flex:1}.mc-xc .b{align-self:flex-start}
.mc-sum{margin-top:16px;display:flex;gap:12px;align-items:baseline;flex-wrap:wrap}
/* library */
.mc-lib{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mc-card{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--panel);transition:.25s var(--ease)}.mc-card:hover{transform:translateY(-4px);box-shadow:0 30px 60px -30px rgba(124,58,237,.8)}
.mc-card .cv{position:relative;height:130px;display:grid;place-items:center;background:radial-gradient(70% 90% at 80% 0%,var(--b),transparent 70%),radial-gradient(60% 80% at 0% 100%,var(--a),transparent 70%),var(--bg)}
.mc-card .cv span{font-size:52px;filter:drop-shadow(0 10px 20px rgba(0,0,0,.4))}.mc-card .cv em{position:absolute;right:10px;top:10px;font-style:normal;font-size:11px;font-weight:800;padding:3px 8px;border-radius:8px;background:rgba(0,0,0,.35);color:#fff}
.mc-card .bd{padding:14px 16px 16px}.mc-card b{display:block;font-size:16px}.mc-card small{display:block;color:var(--mut);font-size:12.5px;margin:2px 0 12px}
.mc-empty{text-align:center;padding:50px}.mc-empty span{font-size:46px}
/* learner mode */
body.mc-learning main,body.mc-learning .sla-top,body.mc-learning .foot-mini{display:none}
.mc-lm{min-height:100vh;display:flex;flex-direction:column;padding:16px;gap:12px;max-width:1160px;margin:0 auto}.mc-lmh{display:flex;justify-content:center}.mc-lmp{flex:1;display:flex}.mc-lmp .mcp{flex:1}
@media (max-width:1100px){.mc-create,.mc-edit{grid-template-columns:1fr}.mc-list{position:static}.mc-exp{grid-template-columns:1fr 1fr}.mc-lib{grid-template-columns:1fr 1fr}}
@media (max-width:860px){.gs-steps{top:58px;border-radius:14px;padding:6px}.gs-steps button{padding:7px 10px 7px 7px;font-size:13px}
 .mc-opts{grid-template-columns:1fr 1fr}.mc-opts>div:first-child{grid-column:1/-1}.mc-themes button{width:calc(33% - 6px)}.mc-chs{grid-template-columns:1fr}.mc-exp,.mc-lib{grid-template-columns:1fr}.mc-what img,.mc-what video{width:90px;height:120px}.mc-etools{gap:12px}}