/* Админка сайта: нейтральный рабочий интерфейс, не зависит от оформления школы. */
:root{
  --bg:#f5f6f8; --panel:#fff; --line:#dde1e7; --ink:#1b1d21; --ink-2:#5b616b; --accent:#1f5eff; --accent-ink:#fff;
  --ok:#137a3b; --warn:#9a5b00; --err:#b3261e; --r:12px; --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--font)}
h1,h2,h3{margin:0 0 8px;line-height:1.2}
h2{font-size:22px} h3{font-size:16px}
code{font:13px/1.4 ui-monospace,Menlo,Consolas,monospace;background:#eef0f4;padding:1px 4px;border-radius:4px}
.muted{color:var(--ink-2);margin:0 0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:600 14px var(--font);cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#b9c0cb}
.btn:disabled{opacity:.55;cursor:progress}
.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn--primary:hover{filter:brightness(1.07)}
.btn--ghost{background:none;border-color:transparent}
.btn--danger{color:var(--err)}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.side button:focus-visible{outline:3px solid #9db8ff;outline-offset:1px}
.link{color:var(--accent);font-weight:600;text-decoration:none}
.link:hover{text-decoration:underline}

/* вход */
.login{min-height:100vh;display:grid;place-items:center;padding:16px}
.login__box{width:min(380px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;display:grid;gap:14px}
.error{color:var(--err);margin:0}

/* раскладка: панель сверху, разделы слева, форма в центре, предпросмотр справа */
.app{display:grid;grid-template-columns:220px minmax(420px,1fr) minmax(380px,46%);grid-template-rows:auto 1fr;height:100vh}
.bar{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line)}
.bar__title{margin-right:8px}
.bar__spacer{flex:1}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:#eef0f4;font-size:13px;font-weight:600}
.chip--dirty{background:#fff2d6;color:var(--warn)}
.chip--clean{background:#e3f4e9;color:var(--ok)}
.side{display:flex;flex-direction:column;gap:2px;padding:12px 8px;background:var(--panel);border-right:1px solid var(--line);overflow:auto}
.side button{text-align:left;padding:10px 12px;border:0;border-radius:10px;background:none;font:600 14px var(--font);color:var(--ink-2);cursor:pointer}
.side button:hover{background:#f0f2f5;color:var(--ink)}
.side button.is-active{background:#e8eeff;color:var(--accent)}
.work{overflow:auto;padding:20px 24px 60px;min-width:0}
.preview{display:flex;flex-direction:column;border-left:1px solid var(--line);background:#e9ecf1;min-width:0}
.preview__bar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px 10px;background:var(--panel);border-bottom:1px solid var(--line)}
.preview__bar select{min-width:0;flex:1}
.preview__frame{flex:1;display:flex;justify-content:center;overflow:auto;padding:10px}
.preview__frame iframe{width:100%;height:100%;border:1px solid var(--line);border-radius:10px;background:#fff;transition:width .2s}
.preview__note{padding:0 12px 10px;margin:0;font-size:13px}
@media (max-width:1100px){
  .app{grid-template-columns:1fr;grid-template-rows:auto auto auto auto;height:auto}
  .side{flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--line)}
  .preview{border-left:0;border-top:1px solid var(--line)}
  .preview__frame{height:70vh}
}

/* формы */
.form{display:grid;gap:14px;max-width:820px}
.group{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);padding:16px 18px;display:grid;gap:14px;margin:0}
.group legend,.group>h3{font-weight:700;padding:0 4px}
.field{display:grid;gap:6px;min-width:0}
.field>span{font-size:13px;font-weight:600;color:var(--ink-2)}
input,select,textarea{width:100%;min-height:38px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font:15px/1.4 var(--font);color:var(--ink)}
textarea{resize:vertical}
textarea.code{font:13px/1.5 ui-monospace,Menlo,Consolas,monospace;tab-size:2;white-space:pre}
input[type=checkbox]{width:18px;height:18px;min-height:0;accent-color:var(--accent)}
input[type=color]{width:52px;padding:2px;height:38px}
input[type=range]{padding:0;min-height:0}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:640px){.row2{grid-template-columns:1fr}}
.check{display:flex;align-items:center;gap:10px;font-weight:600}
.seg{display:inline-flex;flex-wrap:wrap;gap:4px;padding:3px;border-radius:10px;background:#eef0f4}
.seg button,.seg label{padding:6px 10px;border:0;border-radius:8px;background:none;font:600 13px var(--font);color:var(--ink-2);cursor:pointer}
.seg .is-active,.seg input:checked+span{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seg label{padding:0}.seg label span{display:block;padding:6px 10px;border-radius:8px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.range{display:grid;grid-template-columns:1fr 92px;align-items:center;gap:10px}
.range output{font:600 13px var(--font);text-align:right}
.color{display:flex;align-items:center;gap:8px}
.color input[type=text]{max-width:120px}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sticky{position:sticky;bottom:-60px;padding:12px 0;background:linear-gradient(transparent,var(--bg) 30%)}

/* карточки списков */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.images{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.image{display:grid;gap:8px;align-content:start}
.image img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;background:#e9ecf1}
.image b{font-size:14px}
.image small{color:var(--ink-2);font-size:12.5px;overflow-wrap:anywhere}
.file-btn{position:relative;overflow:hidden}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}
details.tariff{background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
details.tariff>summary{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;cursor:pointer;font-weight:700}
details.tariff>div{display:grid;gap:12px;padding:0 16px 16px}
.docs{display:grid;gap:10px;margin-bottom:18px}
.doc{display:grid;gap:10px}
.doc .meta{font-size:12.5px;color:var(--ink-2)}
.versions{display:grid;gap:8px}
.version{display:flex;justify-content:space-between;align-items:center;gap:12px}

/* сообщения */
.messages{position:sticky;top:0;z-index:5;display:grid;gap:8px;margin-bottom:12px}
.msg{padding:10px 14px;border-radius:10px;font-size:14px;border:1px solid}
.msg--ok{background:#e3f4e9;border-color:#b9e2c6;color:var(--ok)}
.msg--err{background:#fdecea;border-color:#f3c1bb;color:var(--err)}
.msg--warn{background:#fff2d6;border-color:#f1d79c;color:var(--warn)}
.msg ul{margin:6px 0 0;padding-left:18px}
#readiness{margin-bottom:12px;overflow-wrap:anywhere}
.msg--info{background:#e8eeff;border-color:#c6d4ff;color:#1b2a55;margin-bottom:12px}
.msg--info p{margin:6px 0 10px}
.msg pre{white-space:pre-wrap;font-size:12px;margin:6px 0 0}
#siteError{margin-bottom:12px;overflow-wrap:anywhere}
#siteError p{margin:6px 0 10px}
#siteError .btn{margin-top:10px}