:root{
  --bg:#FAF8F4; --surface:#FFFFFF; --ink:#1C1B1A; --muted:#6E6A63; --muted-2:#8C867D;
  --line:#EAE5DC; --line-2:#F1ECE3; --accent:#9E2A24; --accent-dark:#7A1C18; --accent-soft:#F4E5E3;
  --jade:#2E8B6A; --jade-deep:#26765A; --jade-soft:#E4F1EB; --jade-line:#CBE6DA; --lock:#A8A39A;
  --gold:#E8C24A; --olive:#6E6E3C;
  --theory-bg:#FBF3D6; --theory-ink:#8A6D12; --theory-line:#EEDFAB;
  --lock-bg:#F4F1EB;

  /* рисовая бумага — обложки карточек и мягкие подложки */
  --paper:linear-gradient(180deg,#FCF9F3,#F4EEE2);
  --paper-cool:linear-gradient(180deg,#FBF9F4,#F1EEE4);
  --paper-grain:repeating-linear-gradient(90deg,rgba(28,27,26,.028) 0 1px,transparent 1px 7px);
  --inset:#FCFAF6;

  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-han:"Songti SC","SimSun","Noto Serif CJK SC","Source Han Serif SC",serif;

  --radius:16px; --radius-lg:18px; --radius-sm:11px;
  --shadow:0 1px 2px rgba(28,27,26,.04),0 8px 26px rgba(28,27,26,.045);
  --shadow-lift:0 2px 4px rgba(28,27,26,.05),0 16px 38px rgba(28,27,26,.09);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:var(--font);
  background:var(--bg); color:var(--ink); line-height:1.62;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent-soft);color:var(--accent-dark)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

/* появление контента */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-delay:0s !important;transition-duration:.001ms !important}
}

/* layout */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:256px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:26px 18px;position:sticky;top:0;height:100vh;
}
.content{flex:1;min-width:0;padding:40px 44px 56px;max-width:1080px;animation:rise .45s var(--ease) both}

/* brand */
.brand{display:flex;align-items:center;gap:12px;padding:0 6px 22px;border-bottom:1px solid var(--line-2)}
.brand .mark{
  width:40px;height:40px;border-radius:12px;background:linear-gradient(160deg,#A8322A,#7A1C18);color:#fff;
  display:grid;place-items:center;font-size:23px;font-weight:500;
  font-family:var(--font-han);flex-shrink:0;box-shadow:0 4px 12px rgba(122,28,24,.26);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.brand:hover .mark{transform:translateY(-1px) rotate(-2deg);box-shadow:0 7px 18px rgba(122,28,24,.32)}
.brand .name{font-family:var(--font-han);font-size:17px;letter-spacing:1.5px;line-height:1.2}
.brand .name small{display:block;font-family:var(--font);color:var(--muted-2);font-weight:400;font-size:11.5px;letter-spacing:.2px;margin-top:2px}

/* nav */
.nav{display:flex;flex-direction:column;gap:3px;margin-top:22px;flex:1}
.nav a{
  display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:var(--radius-sm);
  color:var(--muted);font-weight:500;font-size:14.5px;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav a:hover{background:var(--bg);color:var(--ink)}
.nav a.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:600}
.nav a .ic{display:grid;place-items:center;width:18px;flex-shrink:0}
.nav a .ic svg{display:block}

/* user box */
.userbox{border-top:1px solid var(--line-2);padding-top:16px;margin-top:12px}
.userbox .who{font-size:13.5px;font-weight:600;padding:0 6px 10px;line-height:1.35}
.userbox .who small{display:block;color:var(--muted-2);font-weight:400;font-size:12px}
.btn-logout{display:block;width:100%;text-align:center;padding:10px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface);font:inherit;cursor:pointer;
  color:var(--muted);font-size:13.5px;font-weight:500;transition:border-color .16s,color .16s,background .16s}
.btn-logout:hover{border-color:var(--accent);color:var(--accent);background:#FFFDFC}

/* подвал */
.site-foot{padding:22px 16px 34px;text-align:center}
.site-foot .foot-links{display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;
  color:var(--muted-2);font-size:12.5px}
.site-foot a{color:var(--muted-2);transition:color .16s}
.site-foot a:hover{color:var(--accent)}
.site-foot .sep{color:var(--line)}

/* headings */
.page-title{font-size:27px;font-weight:600;letter-spacing:-.35px;margin:0 0 5px;text-wrap:pretty}
.page-sub{color:var(--muted);margin:0 0 28px;font-size:14.5px;max-width:62ch;text-wrap:pretty}
h2.sec{font-size:17px;font-weight:600;margin:34px 0 14px;letter-spacing:-.1px}

/* course cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.cards>*{animation:rise .5s var(--ease) both}
.cards>*:nth-child(2){animation-delay:.07s}
.cards>*:nth-child(3){animation-delay:.14s}
.cards>*:nth-child(4){animation-delay:.21s}
.cards>*:nth-child(n+5){animation-delay:.28s}
.card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#E3DCD0}
.card .cover{
  position:relative;height:132px;background:var(--paper);border-bottom:1px solid #EFE8DA;
  display:grid;place-items:center;overflow:hidden;
}
.card .cover::before{content:"";position:absolute;inset:0;background:var(--paper-grain)}
.card .cover::after{
  content:"方";position:absolute;top:14px;right:16px;width:26px;height:26px;border-radius:5px;
  border:1.5px solid rgba(158,42,36,.5);display:grid;place-items:center;
  font-family:var(--font-han);font-size:14px;color:rgba(158,42,36,.72);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.card:hover .cover::after{transform:rotate(-4deg);border-color:rgba(158,42,36,.8)}
.card .cover span{
  position:relative;font-family:var(--font-han);font-size:56px;letter-spacing:6px;
  color:rgba(158,42,36,.5);transition:color .22s var(--ease),letter-spacing .3s var(--ease);
}
.card:hover .cover span{color:rgba(158,42,36,.62);letter-spacing:8px}
.card .body{padding:20px 22px 22px}
.card .body h3{margin:0 0 12px;font-size:17px;font-weight:600;line-height:1.35;letter-spacing:-.15px;text-wrap:pretty}
.progress{height:6px;background:#F2EEE6;border-radius:99px;overflow:hidden;margin:12px 0 8px}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--jade),#3FA37E);border-radius:99px;
  transition:width .5s var(--ease)}
.muted{color:var(--muted);font-size:12.5px}

/* подсказки при наведении (месяцы, теги, статусы) */
[data-tip]{position:relative}
[data-tip]::after{
  content:attr(data-tip);position:absolute;bottom:calc(100% + 9px);left:50%;
  transform:translateX(-50%) translateY(3px);
  background:var(--ink);color:#F7F3EC;font-family:var(--font);font-size:11px;font-weight:500;
  text-transform:none;letter-spacing:.1px;line-height:1.35;
  padding:5px 9px;border-radius:7px;white-space:nowrap;box-shadow:0 6px 16px rgba(28,27,26,.22);
  opacity:0;pointer-events:none;transition:opacity .16s var(--ease),transform .16s var(--ease);z-index:6;
}
[data-tip]:hover::after{opacity:1;transform:translateX(-50%)}

/* module / lesson list */
.module{margin-bottom:26px}
.module .mtitle{font-size:15px;font-weight:600;margin:0 0 12px;color:var(--ink);letter-spacing:-.1px}
.lessons{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.lrow{display:flex;align-items:center;gap:14px;padding:15px 18px;border-top:1px solid var(--line-2);
  transition:background .16s var(--ease)}
.lrow:first-child{border-top:none}
.lrow:hover{background:#FCFAF6}
.lrow.locked{color:var(--lock)}
.lrow.locked:hover{background:transparent}
.status{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:14px;flex-shrink:0;
  transition:transform .18s var(--ease)}
.lrow:hover .status{transform:scale(1.06)}
.status.done{background:var(--jade-soft);color:var(--jade)}
.status.play{background:var(--accent-soft);color:var(--accent)}
.status.lock{background:#F0EDE7;color:var(--lock)}
.lrow .lt{flex:1;min-width:0}
.lrow .lt .ln{display:block;font-weight:500;font-size:14.5px;letter-spacing:-.1px}
.lrow .lt .ld{display:block;font-size:12.5px;color:var(--muted-2);margin-top:1px}
.lrow.locked .lt .ln{font-weight:500}
.tag{font-size:11.5px;padding:4px 10px;border-radius:99px;background:var(--bg);color:var(--muted);font-weight:500;
  border:1px solid var(--line);white-space:nowrap}
.tag.free{background:var(--jade-soft);color:var(--jade-deep);border-color:var(--jade-line)}

/* lesson page */
.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13.5px;margin-bottom:16px;
  transition:color .16s,transform .16s var(--ease)}
.back:hover{color:var(--accent);transform:translateX(-2px)}
.video{position:relative;width:100%;padding-top:56.25%;background:#15110f;border-radius:var(--radius);overflow:hidden;
  margin-bottom:24px;box-shadow:var(--shadow)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video .ph{position:absolute;inset:0;display:grid;place-items:center;color:#cdbfb8;text-align:center;padding:20px;font-size:14px}
.prose{font-size:15.5px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin:20px 0;
  box-shadow:var(--shadow)}
.panel h3{margin:0 0 12px;font-size:15px;font-weight:600}
.filelist{display:flex;flex-direction:column;gap:9px}
.filelist a{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--accent-dark);font-weight:500;
  transition:color .16s,transform .16s var(--ease)}
.filelist a:hover{color:var(--accent);transform:translateX(2px)}
.hwrow{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line-2)}
.hwrow:first-child{border-top:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;cursor:pointer;font:inherit;
  font-weight:600;font-size:14.5px;padding:12px 22px;border-radius:12px;background:var(--accent);color:#fff;
  box-shadow:0 4px 14px rgba(158,42,36,.2);
  transition:background .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease),color .16s,border-color .16s}
.btn:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 9px 22px rgba(158,42,36,.28)}
.btn:active{transform:translateY(0);box-shadow:0 3px 10px rgba(158,42,36,.2)}
.btn.done{background:var(--jade-soft);color:var(--jade-deep);border-color:var(--jade-line);box-shadow:none}
.btn.done:hover{background:#D7ECE2;color:var(--jade-deep);transform:none}
.btn.ghost{background:var(--surface);color:var(--muted);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:#FFFDFC;transform:none}
.lnav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}

/* schedule */
.month{font-size:13px;font-weight:600;color:var(--muted-2);margin:28px 0 10px;text-transform:uppercase;letter-spacing:1.2px}
.sched{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.srow{display:flex;align-items:center;gap:16px;padding:15px 20px;border-top:1px solid var(--line-2);transition:background .16s}
.srow:first-child{border-top:none}
.srow:hover{background:#FCFAF6}
.sdate{width:56px;flex-shrink:0;text-align:center;background:var(--inset);border:1px solid var(--line-2);
  border-radius:10px;padding:6px 0}
.sdate .d{font-size:20px;font-weight:600;line-height:1.1}
.sdate .m{font-size:11px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.6px}
.srow .si{flex:1;min-width:0}
.srow .si .t{font-weight:500;letter-spacing:-.1px}
.srow .si .time{font-size:12.5px;color:var(--muted-2)}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(120% 90% at 50% -10%,#FDF9F2,var(--bg) 60%)}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lift);
  width:100%;max-width:392px;padding:38px 32px;animation:rise .5s var(--ease) both}
.login-card .mark{width:52px;height:52px;border-radius:14px;background:linear-gradient(160deg,#A8322A,#7A1C18);color:#fff;
  display:grid;place-items:center;font-size:28px;font-family:var(--font-han);margin:0 auto 18px;
  box-shadow:0 6px 18px rgba(122,28,24,.26)}
.login-card h1{text-align:center;font-size:21px;font-weight:600;margin:0 0 5px;letter-spacing:-.2px}
.login-card p.sub{text-align:center;color:var(--muted);margin:0 0 24px;font-size:14px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font:inherit;background:var(--bg);
  transition:border-color .16s,background .16s,box-shadow .16s}
.field input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(158,42,36,.1)}
.err{background:var(--accent-soft);color:var(--accent-dark);font-size:13px;padding:11px 13px;border-radius:11px;margin-bottom:15px}
.btn.full{width:100%;justify-content:center}
.empty{background:var(--surface);border:1px dashed #DED6C8;border-radius:var(--radius-lg);padding:44px 34px;text-align:center;
  color:var(--muted);font-size:14.5px}

/* responsive: боковое меню превращается в аккуратную верхнюю панель */
@media (max-width:820px){
  .shell{flex-direction:column}
  .sidebar{
    width:100%;height:auto;position:sticky;top:0;z-index:30;
    flex-direction:row;align-items:center;padding:10px 14px;gap:12px;
    border-right:none;border-bottom:1px solid var(--line);
    box-shadow:0 2px 14px rgba(28,27,26,.05);
  }
  .brand{border:none;padding:0;margin:0;flex-shrink:0}
  .brand .mark{width:34px;height:34px;border-radius:10px;font-size:19px}
  .brand .name{display:none}
  .nav{flex-direction:row;margin:0;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
    padding:2px 0;mask-image:linear-gradient(90deg,#000 0,#000 92%,transparent);}
  .nav::-webkit-scrollbar{display:none}
  .nav a{padding:9px 14px;border-radius:99px;white-space:nowrap;background:var(--bg);font-size:13.5px}
  .nav a:hover{background:#F2EEE6}
  .nav a.active{background:var(--accent-soft)}
  .userbox{border:none;padding:0;margin:0 0 0 auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
  .userbox .who{display:none}
  .btn-logout{padding:9px 14px;border-radius:99px;white-space:nowrap}
  .content{padding:24px 18px 40px}
  .cards{grid-template-columns:1fr;gap:18px}
}

/* ============ конструктор (teach) ============ */
.inp{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font:inherit;background:var(--surface);color:var(--ink);
  transition:border-color .16s,box-shadow .16s}
.inp:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(158,42,36,.1)}
textarea.inp{resize:vertical;line-height:1.55}
select.inp{appearance:none}
.form-grid{display:flex;flex-direction:column;gap:16px;max-width:640px}
.form-grid .fld label{font-size:13px;font-weight:600;margin-bottom:6px;display:block}
.form-grid .hint{font-size:12.5px;color:var(--muted-2);margin-top:5px}
.check{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:500}
.check input{width:17px;height:17px;accent-color:var(--accent)}

.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}
.topbar .page-sub{margin-bottom:0}
.topbar .actions{display:flex;gap:8px;align-items:center;flex-shrink:0}

.toast{padding:12px 15px;border-radius:11px;margin-bottom:16px;font-size:14px;font-weight:500;border:1px solid transparent}
.toast.success{background:var(--jade-soft);color:var(--jade-deep);border-color:var(--jade-line)}
.toast.error,.toast.warning{background:var(--accent-soft);color:var(--accent-dark);border-color:#F0DEDB}

.section{margin-top:36px}
.section h2{font-size:16px;font-weight:600;margin:0 0 14px}

.btn.sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.btn.danger{background:transparent;color:var(--accent);border-color:var(--line);box-shadow:none}
.btn.danger:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

.iconbtn{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--surface);
  display:inline-grid;place-items:center;cursor:pointer;color:var(--muted);padding:0;transition:border-color .16s,color .16s}
.iconbtn:hover{border-color:var(--accent);color:var(--accent)}
.iconbtn[disabled]{opacity:.3;cursor:default;pointer-events:none}
.inline{display:inline}

/* тарифы */
.ttable{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ttable th{text-align:left;font-size:11.5px;color:var(--muted-2);font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:12px;border-bottom:1px solid var(--line)}
.ttable td{padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.ttable tr:last-child td{border-bottom:none}
.ttable input[type=text],.ttable input[type=number]{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--bg)}
.ttable input:focus{outline:none;border-color:var(--accent);background:#fff}
.ttable .w-price{width:130px}.ttable .w-mon{width:90px}.ttable .w-act{width:60px;text-align:center}.ttable .w-del{width:44px}

/* модули и занятия */
.mod{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.mod-head{display:flex;align-items:center;gap:8px;padding:12px;background:var(--inset);border-bottom:1px solid var(--line-2)}
.mod-head form.rn{flex:1;display:flex;gap:6px;align-items:center}
.mtitle-inp{flex:1;border:1px solid transparent;background:transparent;font-weight:600;font-size:15px;padding:7px 9px;border-radius:8px;font-family:inherit;color:var(--ink)}
.mtitle-inp:hover{border-color:var(--line);background:#fff}
.mtitle-inp:focus{outline:none;border-color:var(--accent);background:#fff}
.lz{display:flex;align-items:center;gap:10px;padding:11px 12px;border-top:1px solid var(--line-2)}
.lz:first-child{border-top:none}
.lz:hover{background:#FCFAF6}
.lz .grab{color:var(--lock);font-size:15px}
.lz-t{flex:1;min-width:0}
.lz-t .nm{font-weight:500;font-size:14.5px;transition:color .16s}
.lz-t .nm:hover{color:var(--accent)}
.lz-t .dt{font-size:12px;color:var(--muted-2)}
.lz .typ{font-size:11px;padding:3px 9px;border-radius:99px;background:var(--bg);color:var(--muted);font-weight:500;border:1px solid var(--line)}
.addbar{display:flex;gap:8px;padding:12px;background:var(--inset);border-top:1px solid var(--line-2)}
.addbar .inp{flex:1;background:#fff}
.add-mod{display:flex;gap:8px;margin-top:8px}
.add-mod .inp{max-width:340px;background:var(--surface)}

/* списки материалов/ДЗ в редакторе занятия */
.editrow{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line-2)}
.editrow:first-child{border-top:none}
.editrow .er-t{flex:1}

/* ============ редактор тестов ============ */
.qcard{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
.qhead{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.qhead .qn{font-weight:600;font-size:13.5px;color:var(--muted-2);flex:1;text-transform:uppercase;letter-spacing:.6px}
.choices-wrap{margin:12px 0 4px}
.choice-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.choice-row .ctext{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--bg)}
.choice-row .ctext:focus{outline:none;border-color:var(--accent);background:#fff}
.choice-row .ck{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.choice-row .ck input{width:18px;height:18px;accent-color:var(--jade);margin:0}
.audio-box{display:flex;align-items:center;gap:12px;margin:12px 0;flex-wrap:wrap}
.audio-box audio{height:38px}
.qfields{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.qfields .grow{flex:1;min-width:240px}
.qsave{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}

/* ============ пробная олимпиада ============ */
.exam-bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(135deg,#A8322A,var(--accent-dark));color:#fff;border-radius:var(--radius);padding:15px 22px;margin-bottom:20px;
  box-shadow:0 8px 24px rgba(158,42,36,.26)}
.exam-phase{font-weight:700;font-size:16px;letter-spacing:-.1px}
.exam-clock{font-variant-numeric:tabular-nums;font-weight:800;font-size:26px;letter-spacing:1px;
  background:rgba(255,255,255,.16);padding:6px 16px;border-radius:11px}
.exam-clock.warn{background:#fff;color:var(--accent);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}
.exam-prompt{background:var(--inset);border:1px solid var(--line);border-radius:12px;padding:15px 17px;margin:12px 0;
  font-size:15px;line-height:1.75;white-space:pre-wrap}
.exam-q{padding:15px 0;border-top:1px solid var(--line-2)}
.exam-q:first-of-type{border-top:none}
.exam-qt{font-weight:600;margin-bottom:10px}
.exam-written{margin-top:10px}

/* ============ телефоны: финальная вылизка ============ */
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:600px){
  .content{padding:20px 15px 36px}
  .page-title{font-size:22px}
  .page-sub{margin-bottom:20px;font-size:14px}
  .panel{padding:16px}
  .section{margin-top:26px}
  .card .cover{height:112px}
  .card .cover span{font-size:46px;letter-spacing:5px}
  .card .body{padding:18px 18px 20px}
  .btn{padding:13px 20px}

  /* строки списков: кнопки переносятся, текст не сжимается в кашу */
  .lrow{flex-wrap:wrap;gap:8px 10px;padding:13px 14px}
  .lrow .lt{min-width:150px}
  .hwrow{flex-wrap:wrap;gap:8px 10px}
  .editrow{flex-wrap:wrap;gap:8px 10px}

  /* формы-строки — в столбик, поля на всю ширину */
  .add-mod,.addbar{flex-wrap:wrap}
  .add-mod .inp,.addbar .inp{max-width:none;flex:1 1 100%}
  .topbar{flex-direction:column;gap:14px;margin-bottom:22px}
  .topbar .actions{flex-wrap:wrap}
  .topbar .actions .btn{width:100%}
  .qfields .grow{min-width:100%}
  .form-grid{max-width:none}

  /* подсказки на телефоне не нужны — нет курсора */
  [data-tip]::after{display:none}

  /* таблицы тарифов прокручиваются вбок, не ломая страницу */
  .tscroll .ttable{min-width:480px}

  /* таймер пробной олимпиады компактнее */
  .exam-bar{padding:12px 15px}
  .exam-phase{font-size:14px}
  .exam-clock{font-size:21px;padding:5px 11px;letter-spacing:.5px}
  /* длинные варианты ответа: кружок к первой строке */
  .exam-q .check{align-items:flex-start}
}

/* вкладки входа (ученик / преподаватель) */
.authtabs{display:flex;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:22px}
.authtabs button{flex:1;border:none;background:transparent;font:inherit;font-weight:600;font-size:13.5px;
  color:var(--muted);padding:10px;border-radius:9px;cursor:pointer;transition:background .16s,color .16s,box-shadow .16s}
.authtabs button.active{background:var(--surface);color:var(--accent-dark);box-shadow:var(--shadow)}

/* картинка-основа / работа в пробнике */
.exam-img{display:block;max-width:100%;border:1px solid var(--line);border-radius:12px;margin:10px 0}

/* просмотр ответов ученика (ошибки) */
.rev-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;margin-bottom:6px;border:1px solid var(--line)}
.rev-mark{width:20px;text-align:center;font-weight:800;color:var(--muted)}
.rev-ok{background:#EAF5EE;border-color:#BFE3C8}.rev-ok .rev-mark{color:#1F7A3A}
.rev-bad{background:#FBEAE8;border-color:#F0C4BE}.rev-bad .rev-mark{color:#B3261E}
.rev-miss{background:#FFF8E6;border-color:#F0E2B0}.rev-miss .rev-mark{color:#9A7A12}
.rev-tag{margin-left:auto;font-size:12px;color:var(--muted-2)}

/* пометка запланированной публикации в редакторе курса */
.sched{color:#9A7A12;background:#FFF8E6;border:1px solid #F0E2B0;border-radius:6px;padding:1px 7px;font-size:12px;white-space:nowrap}

/* утилита: ряд кнопок (используется в no_access и др.) */
.brow{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}