/* Регистрация, вход и личный кабинет ученика */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--x-cocoa)}
button,input,select{font:inherit;color:inherit}
.au{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:56px 0 24px;min-height:calc(100vh - 68px - 120px)}
.au-art{position:relative;min-height:420px}
.au-art h1{font-size:clamp(36px,4.6vw,56px);line-height:1.05}
.au-art p{margin-top:16px;color:var(--x-ink2);font-size:17px;max-width:440px}
.au-art .x-hand{display:block;font-size:30px;margin-top:10px;transform:rotate(-2deg)}
.au-art .pts{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:24px}
.au-art .pts li{display:flex;gap:10px;align-items:center;font-weight:600}
.au-art .pts li::before{content:'✓';width:26px;height:26px;border-radius:9px;background:var(--x-oks);color:var(--x-ok);display:grid;place-items:center;font-weight:800;flex:none}
.au-art .x-st{right:0;bottom:-10px;width:170px}
.au-card{background:var(--x-sf);border:1px solid var(--x-ln);border-radius:26px;padding:32px;box-shadow:0 24px 50px -30px rgba(70,40,20,.3);max-width:480px;width:100%;justify-self:end;position:relative}
.au-card h2{font-size:30px;line-height:1.1;margin-bottom:6px}
.au-card .sub{color:var(--x-ink2);font-size:15px;margin-bottom:20px}
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.fld span{font-weight:700;font-size:14px}
.fld small{font-size:12.5px;color:var(--x-ink3)}
.fld input{min-height:52px;padding:0 16px;border-radius:14px;border:1.5px solid var(--x-ln);background:var(--x-bg);font-weight:500;width:100%}
.fld input:focus{outline:none;border-color:var(--x-caramel);background:#fff}
.fld.bad input{border-color:var(--x-dn)}
.pw{position:relative}
.pw button{position:absolute;right:8px;top:8px;height:36px;padding:0 10px;border:0;border-radius:10px;background:var(--x-sand);font-size:13px;font-weight:700;cursor:pointer}
.cb{display:flex;gap:12px;align-items:flex-start;margin:6px 0 12px;font-size:14px;color:var(--x-ink2);cursor:pointer}
.cb input{width:22px;height:22px;margin-top:1px;accent-color:var(--x-cocoa);flex:none;cursor:pointer}
.cb b{color:var(--x-ink)}
.au-card .x-btn{width:100%;margin-top:8px}
.msg{display:none;margin-top:14px;padding:12px 14px;border-radius:14px;font-size:14.5px}
.msg.err{display:block;background:var(--x-dns);color:#7A2E1F}
.msg.ok{display:block;background:var(--x-oks);color:#2F4A2B}
.alt{margin-top:18px;font-size:14.5px;color:var(--x-ink2);text-align:center}
.lnk-btn{background:none;border:0;color:var(--x-cocoa);font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.au-card .x-bubble{position:absolute;right:-14px;top:-18px}
@media (max-width:900px){
  .au{grid-template-columns:1fr;gap:28px;padding-top:28px;min-height:0}
  .au-art{min-height:0}.au-art .x-st{display:none}.au-card{justify-self:stretch;max-width:none;padding:24px}
  .au-card .x-bubble{right:10px}
}

/* ---------- кабинет ---------- */
.k{padding-top:36px;padding-bottom:10px}
.k-top{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;background:var(--x-cocoa);color:var(--x-cream);border-radius:26px;padding:28px 30px;position:relative;overflow:hidden}
.k-id{display:flex;gap:18px;align-items:center}
.k-ava{width:64px;height:64px;border-radius:20px;background:var(--x-caramel);color:var(--x-cocoa2);display:grid;place-items:center;font:800 26px/1 var(--x-sans);flex:none}
.k-top h1{font-size:clamp(26px,3vw,36px);line-height:1.1;color:var(--x-cream)}
.k-top small{display:block;color:#E2CDB7;font-size:14px;margin-top:4px}
.k-top .x-hand{display:block;color:#F2C99C;font-size:26px;margin-top:8px}
.k-top img{width:132px;margin:-16px -10px -34px 0}
.k-guest{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:16px;padding:16px 20px;border-radius:18px;background:var(--x-note);border:1px dashed #E5CF8C;color:#6E5420}
.k-guest b{color:#4E3A12}
.k-hello{margin-top:16px;padding:16px 20px;border-radius:18px;background:var(--x-oks);color:#2F4A2B;font-weight:600}
.k-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:16px}
.k-card{background:var(--x-sf);border:1px solid var(--x-ln);border-radius:22px;padding:22px;min-width:0}
.k-card h2{font-family:var(--x-sans)!important;font-size:17px!important;letter-spacing:0!important;font-weight:800!important;display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.k-card h2 small{font:600 13px var(--x-sans);color:var(--x-ink3)}
.kp small{font-size:13px;color:var(--x-ink2)}
.kp b{display:block;font:700 38px/1.1 var(--x-serif);margin:4px 0 2px}
.kp span{font-size:13px;color:var(--x-ink3)}
.span2{grid-column:span 2}.span3{grid-column:span 3}.span4{grid-column:1/-1}
.k-lines{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin-top:14px}
.ln{display:flex;flex-direction:column;align-items:center;gap:1px;border-radius:12px;padding:9px 0 7px;background:var(--x-sand);text-decoration:none;color:var(--x-ink);transition:transform .15s}
.ln:hover{transform:translateY(-2px)}
.ln b{font-size:15px}.ln small{font-size:11px;opacity:.8}
.ln.l3{background:var(--x-ok);color:#fff}.ln.l2{background:#A9C2A2;color:#24361F}.ln.l1{background:#F1D9B9}.ln.l0{background:var(--x-dns);color:var(--x-dn)}
.legend{display:flex;gap:14px;margin-top:12px;font-size:12px;color:var(--x-ink2);flex-wrap:wrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.todo{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:12px}
.todo a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:14px;background:var(--x-bg);text-decoration:none;color:var(--x-ink);font-weight:600;font-size:15px}
.todo a:hover{background:var(--x-sand)}
.todo i{width:20px;height:20px;border-radius:7px;border:1.5px solid var(--x-sand2);flex:none}
.todo span{flex:1;min-width:0}
.todo em{font-style:normal;color:var(--x-caramel);font-weight:800}
.week{display:flex;gap:6px;align-items:flex-end;height:120px;margin-top:14px}
.week div{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;font-size:11px;color:var(--x-ink2)}
.week i{width:100%;border-radius:7px 7px 3px 3px;background:var(--x-caramel)}
.muted{font-size:13px;color:var(--x-ink3);margin-top:8px}
.errs{list-style:none;display:flex;flex-direction:column;gap:6px;margin-top:12px}
.errs a{display:flex;gap:10px;align-items:baseline;padding:8px 10px;border-radius:12px;text-decoration:none;color:var(--x-ink);font-size:14px}
.errs a:hover{background:var(--x-bg)}
.errs b{flex:none;color:var(--x-dn);font-size:13px;min-width:38px}
.errs span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.errs .empty{font-size:14px;color:var(--x-ink2);padding:6px 0}
.k-blocks{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:14px}
.kb{border:1px solid var(--x-ln);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--x-bg)}
.kb-h{display:flex;gap:10px;align-items:center}
.kb-h .ico{width:40px;height:40px;border-radius:12px;background:var(--x-sf);display:grid;place-items:center;font-size:19px;flex:none}
.kb-h b{display:block;font-size:14.5px;line-height:1.25}.kb-h small{font-size:12.5px;color:var(--x-cocoa);font-weight:700}
.bar{height:7px;border-radius:9px;background:var(--x-sand);overflow:hidden}
.bar i{display:block;height:100%;background:var(--x-cocoa);border-radius:9px}
.kb-s{list-style:none;display:flex;flex-direction:column;gap:4px;font-size:13px}
.kb-s li{display:flex;justify-content:space-between;gap:8px;color:var(--x-ink2)}.kb-s b{color:var(--x-ink)}
.kb-left{display:flex;flex-direction:column;gap:4px;font-size:13px;border-top:1px dashed var(--x-ln);padding-top:8px}
.kb-left small{color:var(--x-ink3)}
.kb-left a{color:var(--x-ink);text-decoration:none;line-height:1.3}.kb-left a:hover{color:var(--x-cocoa);text-decoration:underline}
.kb-left a.more{color:var(--x-cocoa);font-weight:700}
.kb-left.done{color:var(--x-ok);font-weight:700}
.t2l{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:14px}
.t2l li{display:grid;grid-template-columns:130px 1fr 60px;gap:12px;align-items:center;font-size:14px}
.t2l b{text-align:right;font-size:13px}
.seg{height:10px;border-radius:9px;background:var(--x-sand);display:flex;overflow:hidden}
.seg i{display:block;height:100%}.s-ok{background:var(--x-ok)}.s-part{background:#E3B26F}.s-no{background:#D98872}
.k-set{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.k-set form{display:flex;flex-direction:column;gap:10px}
.k-set .fld{margin:0}
.k-set .fld input{min-height:46px}
.k-set .x-btn{align-self:flex-start}
.k-main{opacity:0;transition:opacity .25s}.k-main.ready{opacity:1}
@media (max-width:1100px){.k-grid{grid-template-columns:repeat(2,1fr)}.span3{grid-column:1/-1}.k-blocks{grid-template-columns:repeat(2,1fr)}.k-set{grid-template-columns:1fr}}
@media (max-width:640px){
  .k-top{grid-template-columns:1fr;padding:22px}.k-top img{display:none}
  .k-grid{grid-template-columns:1fr 1fr;gap:10px}.span2,.span3,.k-card:not(.kp){grid-column:1/-1}.k-card{padding:18px}
  .kp b{font-size:30px}
  .k-lines{grid-template-columns:repeat(4,1fr)}.k-blocks{grid-template-columns:1fr}
  .t2l li{grid-template-columns:100px 1fr 48px}
}

/* до ЕГЭ, повторение, пробелы */
.k-ex{background:var(--x-cocoa);border-color:var(--x-cocoa);color:var(--x-cream);position:relative;overflow:hidden}
.k-ex-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.k-ex-h .x-hand{font-size:26px;color:#F2C99C}
.k-ex-h small{font-size:12.5px;color:#D9C2AE}
.k-ex-n{display:flex;align-items:baseline;gap:10px;margin:4px 0 10px}
.k-ex-n b{font:700 72px/1 var(--x-serif)}
.k-ex-n span{font-size:20px;font-weight:700;color:#EAD7C4}
.k-ex-l{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.k-ex-l li{background:rgba(255,255,255,.09);border-radius:14px;padding:10px 12px}
.k-ex-l b{display:block;font:700 22px/1.1 var(--x-serif)}
.k-ex-l span{font-size:12.5px;color:#EAD7C4;line-height:1.3;display:block;margin-top:3px}
.k-ex-bar{margin-top:14px;background:rgba(255,255,255,.15)}
.k-ex-bar i{background:#F2C99C}
.k-rep p{font-size:14.5px;color:var(--x-ink2);line-height:1.5;margin:4px 0 12px}
.k-steps{list-style:none;display:flex;gap:4px;margin-top:14px}
.k-steps li{flex:1;text-align:center;font-size:11.5px;font-weight:700;color:var(--x-ink3);background:var(--x-sand);border-radius:8px;padding:5px 0}
.gaps{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:6px}
.gaps a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:14px;background:var(--x-dns);text-decoration:none;color:var(--x-ink)}
.gaps a:hover{outline:1.5px solid var(--x-dn)}
.gaps span{font-weight:700;font-size:14.5px;line-height:1.3}
.gaps small{font-size:12.5px;color:#7A2E1F}
.gaps .empty,.gaps .more{font-size:14px;color:var(--x-ink2);line-height:1.5}
@media (max-width:600px){.k-ex-l{grid-template-columns:1fr}.k-ex-n b{font-size:56px}}
.k-ex-bar{position:relative;overflow:visible}
.k-ex-bar em{position:absolute;top:-4px;bottom:-4px;width:3px;margin-left:-1px;border-radius:2px;background:var(--x-cream)}
.k-ex-st{margin-top:12px;font-size:14px;line-height:1.45;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.09);color:#EAD7C4}
.k-ex-st.late{background:rgba(217,136,114,.28);color:#FFE3DA}
.k-ex-st.ok{background:rgba(94,130,89,.35);color:#E4F1E0}

/* ---------- подписка ---------- */
.k-trial{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:16px;padding:14px 18px 14px 20px;border-radius:18px;background:var(--x-note);border:1px solid #F0DFA6;color:#6E5420}
.k-trial b{color:#4E3A12}
.k-paid-msg{margin-top:16px;padding:16px 20px;border-radius:18px;background:var(--x-oks);color:#2F4A2B;font-weight:600}
.k-paid-msg.err{background:#FBEEEA;color:#7A2E1F}
.k-pay{position:relative;margin-top:16px;padding:34px 34px 30px;border-radius:26px;background:var(--x-sf);border:1px solid var(--x-ln);box-shadow:0 24px 50px -30px rgba(70,40,20,.35);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:18px 34px}
.k-pay .x-tape{position:absolute;top:-11px;left:56px;width:96px;height:24px;background:rgba(198,138,85,.35);transform:rotate(-3deg);border-radius:3px}
.k-pay-h h2{font-family:var(--x-serif);font-size:clamp(28px,3.4vw,40px);line-height:1.08;margin:6px 0 12px;letter-spacing:-.01em}
.k-pay-h h2 em{font-style:italic;color:var(--x-cocoa)}
.k-pay-h .x-hand{font-size:24px;color:var(--x-caramel)}
.k-pay-h p{color:var(--x-ink2);line-height:1.6;margin:0}
.k-pay-l{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;grid-row:span 2}
.k-pay-l li{padding:14px 16px;border-radius:16px;background:var(--x-cream, #F6EFE6);display:flex;flex-direction:column;gap:3px}
.k-pay-l span{color:var(--x-ink2);font-size:14px;line-height:1.45}
.k-pay-cta{display:flex;flex-direction:column;gap:12px;align-self:end}
.k-pay-price{display:flex;align-items:baseline;gap:8px}
.k-pay-price b{font-family:var(--x-serif);font-size:46px;line-height:1}
.k-pay-price span{color:var(--x-ink2)}
#k-pay-btns{display:flex;gap:10px;flex-wrap:wrap}
.k-pay-n{margin:0;color:var(--x-ink2);font-size:13px;line-height:1.5}
.k-pay-n a{color:var(--x-cocoa)}
.k-main.locked .k-grid{filter:blur(5px);opacity:.45;pointer-events:none;user-select:none;max-height:640px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 40%,transparent);mask-image:linear-gradient(#000 40%,transparent)}
.k-sub-st{margin:0 0 12px;color:var(--x-ink2);line-height:1.55}
.k-sub-b{display:flex;gap:8px;flex-wrap:wrap}
@media (min-width:1101px){.k-set{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.k-pay{grid-template-columns:1fr;padding:26px 20px 22px}.k-pay-l{grid-row:auto;order:3}.k-pay-cta{order:2}}

/* ---------- страница подписки ---------- */
.sb{max-width:820px;padding-top:28px;padding-bottom:60px}
.sb-crumbs{font-size:13px;color:var(--x-ink2);margin-bottom:14px}
.sb-crumbs a{color:var(--x-ink2)}
.sb h1{font-family:var(--x-serif);font-size:clamp(32px,4.4vw,48px);line-height:1.05;margin:0 0 12px;letter-spacing:-.01em}
.sb h1 em{font-style:italic;color:var(--x-cocoa)}
.sb-lead{color:var(--x-ink2);line-height:1.6;margin:0 0 18px;max-width:640px}
.sb-msg{margin:0 0 16px;padding:14px 18px;border-radius:16px;background:var(--x-oks);color:#2F4A2B;font-weight:600;line-height:1.5}
.sb-msg.err{background:#FBEEEA;color:#7A2E1F}
.sb-card{position:relative;padding:28px;border-radius:24px;background:var(--x-sf);border:1px solid var(--x-ln);box-shadow:0 22px 50px -32px rgba(70,40,20,.35);margin-bottom:16px}
.sb-card h2{font-family:var(--x-serif);font-size:28px;line-height:1.15;margin:4px 0 10px}
.sb-card .x-hand{font-size:22px;color:var(--x-caramel)}
.sb-plan{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;padding-bottom:16px;border-bottom:1px dashed var(--x-ln)}
.sb-plan h2{margin:0}
.sb-price{display:flex;align-items:baseline;gap:8px}
.sb-price b{font-family:var(--x-serif);font-size:44px;line-height:1}
.sb-price span{color:var(--x-ink2)}
.sb-list{margin:16px 0;padding-left:20px;line-height:1.7;color:var(--x-ink)}
.sb-terms{padding:14px 18px;border-radius:16px;background:var(--x-note);color:#5A4518;line-height:1.55;font-size:14.5px}
.sb-terms p{margin:0 0 8px}.sb-terms p:last-child{margin:0}
.sb-check{display:flex;gap:12px;align-items:flex-start;margin:18px 0 14px;font-weight:600;line-height:1.45;cursor:pointer}
.sb-check input{width:22px;height:22px;flex:none;margin:0;accent-color:var(--x-cocoa)}
.sb-check a{color:var(--x-cocoa)}
.sb-go[disabled]{opacity:.45;cursor:not-allowed}
.sb-alt{margin:16px 0 6px;color:var(--x-ink2);font-size:14px;line-height:1.5}
.sb-alt .lnk-btn{font-size:14px;padding:0}
.sb-small{margin:0;color:var(--x-ink2);font-size:12.5px}
.sb-st{color:var(--x-ink2);line-height:1.6;margin:0 0 16px}
.sb-btns{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:560px){.sb-card{padding:20px 18px}.sb-price b{font-size:38px}.sb .x-btn-l{width:100%}}