/* Chuỗi học, mục tiêu, thành tích, trang cá nhân, trang khoá học. File riêng, tách khỏi app.css. */
.fl-i{display:block;flex:none}
.skc{display:inline-flex;align-items:center;gap:5px;height:38px;padding:0 12px 0 9px;border-radius:999px;border:1px solid var(--line);background:#fff;text-decoration:none;font-weight:800;font-size:14px;color:var(--mut)}
.skc.hot{color:#c2410c;background:#fff7ed;border-color:#fed7aa}.skc.risk{animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 5px rgba(255,122,26,.18)}}
.tr{display:flex;align-items:center;gap:10px}
.sk{display:grid;gap:14px;padding:22px}.sk.hot{background:linear-gradient(135deg,#fff 40%,#fff4e8)}
.skh{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.skn{display:flex;align-items:center;gap:12px}.skn b{display:block;font-size:44px;line-height:1;letter-spacing:-.03em}.skn span{color:var(--mut);font-size:14px;font-weight:600}
.skr{display:flex;gap:26px}.skr b{display:block;font-size:22px;line-height:1.1}.skr span{color:var(--mut);font-size:13px}
.wk{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.wd{display:grid;justify-items:center;gap:4px}.wd i{width:100%;max-width:46px;aspect-ratio:1;border-radius:14px;background:#eef1fb;display:grid;place-items:center}
.wd.on i{background:#fff0dd}.wd.td i{outline:2px solid var(--blue);outline-offset:2px}.wd.fu i{opacity:.45}.wd small{font-size:12px;color:var(--mut);font-weight:600}
.skm{margin:0;color:var(--mut);font-size:14.5px}
.mine2{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin:18px 0 6px}
.gl{display:grid;gap:14px;align-content:start}.glh{display:flex;gap:16px;align-items:center}.glh .h3{margin:0 0 4px}.glh .muted{margin:0}
.ring{position:relative;flex:none}.ring b{position:absolute;inset:0;display:grid;place-items:center;font-size:17px}
.glf{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.glf .fld{flex:1;min-width:160px;margin:0}
.glf select,.fld select{width:100%;min-height:46px;border:1px solid var(--line);border-radius:14px;padding:0 14px;font:inherit;background:#fff;color:var(--ink)}
.rowh{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px}.rowh .h3{margin:0}.rowh a{font-size:14px;font-weight:600;color:var(--blue2);text-decoration:none}
.bgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-top:10px}
.bg{display:grid;justify-items:center;text-align:center;gap:4px;padding:14px 8px;border:1px solid var(--line);border-radius:16px;background:#fafbff;opacity:.6}
.bg.ok{opacity:1;background:#fff;border-color:#dbe3ff}.bg b{font-size:13.5px;line-height:1.3}.bg small{font-size:12px;color:var(--mut);line-height:1.3}
.bgi{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#eceff8;color:#94a0bf}.bg.ok .bgi{background:linear-gradient(135deg,#e6ebff,#fff3c4);color:var(--blue2)}
.pfn .bgs,.pfl .bgs{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}
.lastl{margin:10px 0 0}
.skm2{display:flex;gap:10px;align-items:center;padding:12px 14px;border:1px solid #fed7aa;background:#fff7ed;border-radius:16px;text-decoration:none}.skm2 b{display:block;font-size:15px}.skm2 small{color:var(--mut);font-size:12.5px}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:160;display:flex;align-items:center;gap:10px;background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;font-weight:700;font-size:14.5px;box-shadow:0 12px 36px rgba(0,0,0,.3);animation:tin .4s both}
@keyframes tin{from{opacity:0;transform:translate(-50%,16px)}}
.hm{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px}.hmm{display:none}
.hmg{display:grid;grid-template-rows:repeat(7,14px);grid-auto-flow:column;grid-auto-columns:14px;gap:4px}
.hc{display:block;width:14px;height:14px;border-radius:4px;background:#e9edf8}.hc.l1{background:#bcd0ff}.hc.l2{background:#7b9cff}.hc.l3{background:#3559ff}.hc.f{background:transparent}
.hml{display:flex;align-items:center;gap:4px;justify-content:flex-end;margin-top:8px;font-size:12px;color:var(--mut)}.hml .hc{width:12px;height:12px}
/* trang cá nhân */
.pfw{padding-top:22px;padding-bottom:56px}
.pf{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;margin-bottom:18px;box-shadow:0 8px 30px rgba(15,23,48,.05)}
.pfc{position:relative;aspect-ratio:1600/500;max-height:380px;width:100%;background:#cfe0ff;overflow:hidden}
.pfc .nc{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.pfsh{position:absolute;left:0;right:0;bottom:0;height:34%;background:linear-gradient(transparent,rgba(15,23,48,.28));pointer-events:none}
.pfcb{position:absolute;right:16px;bottom:16px;display:flex;gap:8px;z-index:2}
.pfcb form{margin:0}.pfbtn{background:rgba(255,255,255,.94)!important;color:var(--ink)!important;border-color:transparent!important}
.pfbtn:hover{background:#fff!important}
.pfb{display:flex;align-items:flex-end;gap:22px;padding:0 28px 18px;margin-top:-64px;position:relative;flex-wrap:wrap}
.pfa{position:relative;flex:none}
.pfa .av{width:156px;height:156px;font-size:60px;border:5px solid #fff;box-shadow:0 8px 24px rgba(15,23,48,.18);border-radius:50%}
.pfa .av.img{object-fit:cover}
.pfav{margin:0;position:absolute;right:6px;bottom:8px}
.pfcam{width:38px;height:38px;border-radius:50%;background:#eef1ff;border:3px solid #fff;display:grid;place-items:center;color:var(--ink);cursor:pointer}.pfcam:hover{background:#dfe6ff}
.pfi{flex:1;min-width:240px;padding-top:70px}
.pfi h1{margin:0;font-size:clamp(26px,3.6vw,34px);line-height:1.15;letter-spacing:-.02em}
.pfbio{margin:6px 0 10px;color:var(--mut);max-width:620px}
.pfchips{display:flex;flex-wrap:wrap;gap:8px}.pfchips span{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--blue2);background:#eef1ff;padding:5px 12px;border-radius:999px}.pfchips .fire{background:#fff0dd;color:#c2410c}
.pfx{display:flex;gap:10px;flex-wrap:wrap;padding-bottom:6px}
.pft{display:flex;gap:2px;padding:0 18px;border-top:1px solid var(--line);overflow-x:auto}
.pft a{padding:16px 16px 14px;text-decoration:none;font-weight:700;font-size:14.5px;color:var(--mut);white-space:nowrap;border-bottom:3px solid transparent}.pft a:hover{background:#f5f7fd;color:var(--ink)}.pft a.on{color:var(--blue2);border-bottom-color:var(--blue)}
.pfg{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px;align-items:start}
.pfl{display:grid;gap:18px;position:sticky;top:80px}.pfm{display:grid;gap:18px}.pfm .stats{margin:0}.pfm>.card,.pfm>.sk{margin:0}
.pfn{display:grid;gap:18px;max-width:820px;margin:0 auto}
.s4{grid-template-columns:repeat(4,1fr)}
.intro{list-style:none;margin:0;padding:0;display:grid;gap:12px}.intro li{display:flex;gap:10px;align-items:flex-start;color:var(--mut);font-size:14.5px;word-break:break-word}.intro li svg{flex:none;margin-top:2px;color:#8a94b0}.intro li.bio{color:var(--ink);font-size:15px}
.covprev{position:relative;aspect-ratio:1600/500;border-radius:16px;overflow:hidden;margin-bottom:12px;background:#dfe6ff}.covprev .nc{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.avf2{display:flex;gap:10px;margin-bottom:10px;flex-wrap:wrap}.avf2 form{margin:0}
.act{display:block;padding:14px 4px;border-top:1px solid var(--line);text-decoration:none}.act:first-of-type{border-top:0}.act:hover b{color:var(--blue2)}.act p{margin:4px 0;color:var(--mut);font-size:14.5px;white-space:pre-line}.act small{color:var(--mut);font-size:12.5px}
.cnt{font-size:13px;font-weight:700;background:#eef1ff;color:var(--blue2);padding:2px 10px;border-radius:999px;vertical-align:middle;margin-left:6px}
.card.danger{border-color:#fecaca}.btn.dng{background:#dc2626}.btn.dng:hover{background:#b91c1c}
/* trang khoá học */
.rtm{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;margin:0 0 14px;font-size:14px;color:var(--mut)}
.rtl{display:inline-flex;align-items:center;gap:6px;text-decoration:none}.rtl b{color:#b45309;font-size:15px}
.outc{list-style:none;margin:0 0 6px;padding:20px 22px;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.outc li,.reqs li{position:relative;padding-left:28px;font-size:15px}
.outc li:before{content:"";position:absolute;left:3px;top:6px;width:13px;height:7px;border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}
.reqs{margin:0 0 8px;padding:0;list-style:none;display:grid;gap:8px}.reqs li:before{content:"";position:absolute;left:8px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.ins{display:flex;gap:18px;align-items:center}.ins small{display:block;color:var(--mut);margin-bottom:6px}.ins p{margin:0;color:var(--mut);font-size:15px}.ins .av{flex:none}
.faqs{display:grid;gap:8px}.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 18px}.faq summary{cursor:pointer;font-weight:700;padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:20px;line-height:1;color:var(--blue2)}.faq[open] summary:after{content:"\2212"}.faq p{margin:0 0 16px;color:var(--mut)}
@media(max-width:1000px){.pfg{grid-template-columns:1fr}.pfl{position:static}.mine2{grid-template-columns:1fr}}
@media(max-width:700px){.pfb{padding:0 16px 14px;margin-top:-52px;gap:12px}.pfa .av{width:112px;height:112px;font-size:44px}.pfi{padding-top:0;min-width:100%}.pfx{width:100%}.pfx .btn{flex:1}.pfc{aspect-ratio:16/8}.s4{grid-template-columns:repeat(2,1fr)}.outc{grid-template-columns:1fr}.skr{gap:18px}.pfcb{right:10px;bottom:10px}.pft{padding:0 6px}.ins{flex-direction:column;align-items:flex-start}}
/* lộ trình buổi học */
.rmap{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px}
.rm{display:grid;justify-items:center;gap:3px;text-decoration:none;text-align:center;padding:10px 4px;border-radius:14px;border:1px solid var(--line);background:#fafbff;position:relative}
.rm i{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:800;font-size:14px;background:#e9edf8;color:var(--mut)}
.rm b{font-size:12.5px}.rm small{font-size:11.5px;color:var(--mut)}.rm span{font-size:11px;font-weight:700;color:var(--mut)}
.rm.ontime{background:#f0fdf4;border-color:#bbf7d0}.rm.ontime i{background:var(--ok);color:#fff}.rm.ontime span{color:#166534}
.rm.late{background:#fffbeb;border-color:#fde68a}.rm.late i{background:#f59e0b;color:#fff}.rm.late span{color:#92400e}
.rm.missed{background:#fef2f2;border-color:#fecaca}.rm.missed i{background:#ef4444;color:#fff}.rm.missed span{color:#991b1b}
.rm.due{background:#fff7ed;border-color:#fdba74;box-shadow:0 0 0 3px rgba(255,122,26,.15)}.rm.due i{background:#ff7a1a;color:#fff}.rm.due span{color:#c2410c}
.rmap.full{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:700px){.rmap{grid-template-columns:repeat(4,minmax(0,1fr))}.rmap.full{grid-template-columns:repeat(2,minmax(0,1fr))}}
.pfl .stats{grid-template-columns:repeat(2,1fr);margin:0}.pfl .st{padding:16px}.pfl .st b{font-size:26px}
/* nội dung đào sâu và chuyên đề */
.deep h2{margin:10px 0 6px;font-size:24px}.deep h3{margin:26px 0 10px;font-size:18px}.dintro{color:var(--mut);margin:0 0 4px}
.dsteps{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.dsteps li{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fafbff}
.dsteps .sn{flex:none;width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center}
.dsteps b{display:block;font-size:15.5px}.dsteps p{margin:4px 0 0;color:var(--mut);font-size:15px}
.dp{border:1px solid var(--line);border-radius:16px;margin:0 0 12px;overflow:hidden;background:#fff}
.dph{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;background:#eef1ff}.dph b{font-size:14.5px}
.dp pre{margin:0;padding:14px 16px;white-space:pre-wrap;word-break:break-word;font:400 14.5px/1.6 var(--font);color:var(--ink)}
.dcheck{list-style:none;margin:0;padding:0;display:grid;gap:8px}.dcheck li{position:relative;padding-left:28px;font-size:15px}
.dcheck.ok li:before{content:"";position:absolute;left:3px;top:6px;width:13px;height:7px;border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}
.dcheck.bad li:before{content:"!";position:absolute;left:3px;top:1px;width:18px;height:18px;border-radius:50%;background:#fef3c7;color:#92400e;font-weight:800;font-size:12px;display:grid;place-items:center}
.dmore{margin-top:22px;padding:16px;border-radius:16px;background:#f4f6fc;border:1px dashed #c9d2ee}.dmore p{margin:2px 0 10px;color:var(--mut)}
.tpcs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:8px}
.tpc{display:grid;gap:4px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:#fff;text-decoration:none;transition:transform .2s,box-shadow .2s}
.tpc:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(53,89,255,.12)}.tpc span{font-size:12px;font-weight:700;color:var(--blue2);text-transform:uppercase;letter-spacing:.05em}.tpc b{font-size:16.5px;line-height:1.35}.tpc small{color:var(--mut)}
.topic{max-width:900px;margin:0 auto;padding-bottom:56px}.topic h1{margin:12px 0 10px;font-size:clamp(28px,4vw,38px);line-height:1.15;letter-spacing:-.02em}.topic .lead{color:var(--mut);font-size:18px}
.tsec{margin-top:8px}.tsec h2,.topic>h2,.topic .deep h2{font-size:22px;margin:30px 0 12px}.tsec p{margin:0 0 10px}
.tw2{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}
.cmp{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}.cmp th,.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.cmp thead th{background:#eef1ff;font-size:13px;text-transform:uppercase;letter-spacing:.03em;color:var(--blue2)}.cmp tbody th{font-weight:700;background:#fafbff;width:22%}.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.topicnav{margin-top:36px}
@media(max-width:800px){.tpcs{grid-template-columns:1fr}.dsteps li{padding:12px}}