/* Sphericow University: поверх site.css. Колір продукту — бірюзовий (навчання) */
:root{--accent:#0E7490;--col:#ECEEF4;--shadow:0 1px 2px rgba(20,22,31,.08)}
@media (prefers-color-scheme:dark){:root{--accent:#5EC4D8;--col:#191C2A;--shadow:0 1px 2px rgba(0,0,0,.4)}}
h1{font-size:clamp(1.6rem,5vw,2.3rem)}
h2{font-family:Unbounded,sans-serif;font-size:1.1rem;margin:0 0 10px}
main.wide{max-width:1200px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.who{display:flex;align-items:center;gap:12px;font-size:.92rem;color:var(--ink2)}
.who small{display:block;font-size:.75rem;color:var(--ink2)}
.lnk{background:none;border:0;color:var(--accent);font:inherit;font-weight:700;cursor:pointer;padding:0}
.lnk.neg,.neg{color:#B42318}
.note{background:#E8F7EF;color:#0F5132;border:1px solid #BCE3CD;border-radius:12px;padding:10px 14px}
.note.err{background:#FDECEC;color:#842029;border-color:#F3C2C2}
.muted{color:var(--ink2)}.sm{font-size:.84rem}
@media (prefers-color-scheme:dark){.note{background:#123524;color:#B7EBCD;border-color:#1F5A3D}.note.err{background:#3A1717;color:#F5C2C2;border-color:#6B2A2A}.lnk.neg,.neg{color:#F49B92}}

/* Поля й кнопки */
input:not([type=checkbox]):not([type=radio]),select,textarea{font:inherit;font-size:.95rem;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.45em .7em;max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent);border-color:var(--accent)}
textarea{width:100%;resize:vertical}
label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--ink2);font-weight:600}
form{margin:0}
.u-btn{display:inline-flex;align-items:center;gap:6px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:.42em .9em;font:inherit;font-size:.9rem;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap}
.u-btn:hover{border-color:var(--accent)}
.u-btn.pri{background:var(--accent);border-color:var(--accent);color:#fff}
@media (prefers-color-scheme:dark){.u-btn.pri{color:#0B1A1F}}
.u-x{background:none;border:0;color:var(--ink2);font:inherit;font-size:1rem;line-height:1;padding:4px 7px;border-radius:8px;cursor:pointer;list-style:none}
.u-x:hover{background:var(--col);color:var(--ink)}
.u-x::-webkit-details-marker{display:none}
.u-in{display:inline}
.u-form{display:flex;flex-direction:column;gap:12px}
.u-form .u-btn{align-self:flex-start}
.u-inline{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.u-inline input:not([type=checkbox]){flex:1 1 200px}
.u-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.u-row label{flex:1 1 140px}
.u-chk{flex-direction:row;align-items:center;gap:6px;font-weight:500;color:var(--ink)}
.u-act{display:flex;gap:10px;flex-wrap:wrap}
.u-lbl{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--ink2);font-weight:600}
.u-sws{display:flex;flex-wrap:wrap;gap:6px}
.u-sw{display:block;width:28px;height:28px;border-radius:50%;background:var(--c);cursor:pointer;position:relative}
.u-sw input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.u-sw:has(input:checked){box-shadow:0 0 0 2px var(--card),0 0 0 4px var(--c)}
.u-pill{font-size:.75rem;font-weight:700;background:var(--col);color:var(--ink2);border-radius:999px;padding:.15em .7em;white-space:nowrap}
.u-code{display:inline-block;font-size:.75rem;font-weight:700;color:var(--c,var(--accent));border:1px solid currentColor;border-radius:6px;padding:0 .45em;margin-left:6px}
.u-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px}

/* Мої курси */
.u-group{margin:28px 0 0}
.u-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:12px;align-items:start}
.u-tile{display:flex;flex-direction:column;gap:6px;min-height:130px;background:var(--card);border:1px solid var(--line);border-top:6px solid var(--c,var(--accent));border-radius:16px;padding:14px 16px;text-decoration:none;color:var(--ink);transition:transform .12s,box-shadow .12s}
a.u-tile:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(20,22,31,.1)}
.u-tile b{font-size:1.08rem;overflow-wrap:anywhere}
.u-tile .u-code{margin:0;align-self:flex-start}
.u-meta{margin-top:auto;color:var(--ink2)}
.u-new{border-style:dashed;border-top:1px dashed var(--line)}
.u-new summary{cursor:pointer;font-weight:700;color:var(--accent);list-style:none}
.u-new summary::-webkit-details-marker{display:none}
.u-new form{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.u-new .u-btn{align-self:flex-start}
.u-arch{margin-top:26px}.u-arch summary{cursor:pointer;color:var(--ink2);font-weight:600}

/* Курс */
.u-bar{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:12px 20px;margin-bottom:18px;padding-left:14px;border-left:6px solid var(--c)}
.u-bar h1{margin:4px 0 6px}
.u-tools{display:flex;align-items:center;gap:10px;position:relative}
.u-set summary{list-style:none}.u-set summary::-webkit-details-marker{display:none}
.u-set[open] .u-card{position:absolute;right:0;top:44px;z-index:20;width:min(420px,calc(100vw - 32px));box-shadow:0 14px 40px rgba(0,0,0,.18);display:flex;flex-direction:column;gap:12px}
.u-topic{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:14px;padding:12px 16px;margin-bottom:12px}
.u-topic.hidden{opacity:.7;border-left-style:dashed}
.u-topic header{display:flex;align-items:center;gap:8px}
.u-topic h2{margin:0;flex:1;font-size:1.05rem;overflow-wrap:anywhere}
.u-tt{display:inline-flex;align-items:center;gap:2px;margin-left:auto;position:relative}
.u-tedit[open] .u-card{position:absolute;right:0;top:34px;z-index:20;width:min(400px,calc(100vw - 32px));box-shadow:0 14px 40px rgba(0,0,0,.18);display:flex;flex-direction:column;gap:10px}
.u-items{list-style:none;padding:0;margin:8px 0 6px}
.u-items li{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:7px 0;border-bottom:1px solid var(--line)}
.u-items li:last-child{border-bottom:0}
.u-items li.hidden{opacity:.65}
.u-items a{font-weight:600;color:var(--ink);text-decoration:none;overflow-wrap:anywhere}
.u-items a:hover{color:var(--accent);text-decoration:underline}
.u-ic{display:inline-grid;place-items:center;flex:none;width:26px;height:26px;border-radius:8px;font-size:.85rem;font-weight:800;color:#fff;background:#475569}
.k-text{background:#475569}.k-link{background:#2563EB}.k-video{background:#DC2626}.k-file{background:#B45309}.k-assignment{background:#15803D}.k-quiz{background:#7C3AED}
.u-additem,.u-addtopic,.u-addq{margin-top:6px}
.u-additem summary,.u-addtopic summary,.u-addq summary{cursor:pointer;list-style:none;color:var(--ink2);font-weight:600;font-size:.92rem;padding:6px 0}
.u-additem summary::-webkit-details-marker,.u-addtopic summary::-webkit-details-marker,.u-addq summary::-webkit-details-marker{display:none}
.u-addtopic{background:var(--card);border:1px dashed var(--line);border-radius:14px;padding:10px 16px}
.u-addtopic summary{color:var(--accent);font-weight:700}
.u-body{overflow-wrap:anywhere;line-height:1.55}

/* Матеріал */
.u-h1{display:flex;align-items:center;gap:10px}
.u-h1 .u-ic{width:34px;height:34px;font-size:1rem}
.u-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
.u-del{margin-top:14px}
.u-preview h3{margin:0 0 6px;font-size:1.1rem}
.u-preview h2{font-size:.85rem;color:var(--ink2);font-family:inherit;text-transform:uppercase;letter-spacing:.05em}
.u-video{position:relative;aspect-ratio:16/9;margin:8px 0 12px;border-radius:12px;overflow:hidden;background:#000}
.u-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
#questions{margin-top:16px}
.u-q{border-top:1px solid var(--line);padding:12px 0}
.u-qhead{display:flex;align-items:center;gap:4px;margin-bottom:6px}
.u-qhead b{margin-right:auto}
.u-opts{list-style:none;padding:0;margin:10px 0}
.u-opts li{display:flex;align-items:center;gap:8px;padding:3px 0}
.u-opts li>span{flex:1;overflow-wrap:anywhere}
.u-cb{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;border:2px solid var(--line);background:var(--card);color:transparent;cursor:pointer;padding:0;font-weight:800}
.u-opts li.on .u-cb{background:#15803D;border-color:#15803D;color:#fff}
.u-opts li.on>span{font-weight:600}

/* Центр досконалості */
.u-centre{display:flex;flex-direction:column;gap:4px;margin:18px 0 4px;padding:16px 18px;border-radius:16px;text-decoration:none;color:var(--ink);background:linear-gradient(135deg,color-mix(in srgb,#7C3AED 14%,var(--card)),var(--card));border:1px solid color-mix(in srgb,#7C3AED 35%,var(--line))}
.u-centre b{font-family:Unbounded,sans-serif;font-size:1.15rem}
.u-centre .u-eyebrow{margin:0;color:#7C3AED}
.u-centre:hover{border-color:#7C3AED}
.u-hero{padding:8px 0 6px}
.u-eyebrow{margin:0 0 6px;color:var(--accent);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.8rem}
.u-lead{font-size:clamp(1.02rem,2.4vw,1.2rem);color:var(--ink2);max-width:60ch;margin:0 0 8px}
.u-levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 6px}
.u-levels div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.u-levels b{font-family:Unbounded,sans-serif;font-size:1rem}
.u-levels span{color:var(--ink2);font-size:.9rem}
.u-doc{max-width:78ch;line-height:1.6}
.u-doc h3{font-family:Unbounded,sans-serif;font-size:1.05rem;margin:22px 0 8px}
.u-doc h3:first-child{margin-top:0}
.u-doc h4{font-size:1rem;margin:16px 0 6px}
.u-doc ul{padding-left:1.25em;margin:6px 0 12px}
.u-doc li{margin:4px 0}
.u-doc p{margin:0 0 12px}
.st-active,.st-ready{background:#DCFCE7;color:#14532D}
.st-work{background:#FEF3C7;color:#78350F}
.st-plan,.st-planned{background:var(--col);color:var(--ink2)}
@media (prefers-color-scheme:dark){.st-active,.st-ready{background:#14532D;color:#DCFCE7}.st-work{background:#78350F;color:#FEF3C7}}

@media (max-width:760px){
  .u-levels{grid-template-columns:1fr}
  .u-split{grid-template-columns:1fr}
  .u-tools{width:100%}
  .u-set[open] .u-card{left:0;right:auto}
}