.teoria [hidden]:not([hidden=until-found i]){display:none!important}
.teoria *{box-sizing:border-box}
.teoria .wrap{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.teoria h1,.teoria h2,.teoria h3{text-wrap:balance;margin:0}
.teoria button{font:inherit;color:inherit}
.teoria :focus-visible{outline:3px solid var(--sign);outline-offset:2px}
.teoria .tabnum{font-variant-numeric:tabular-nums}
.teoria .navbtns{display:flex;gap:8px;flex-wrap:wrap}
.teoria .btn{display:inline-block;max-width:100%;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 16px;cursor:pointer;font-weight:500;white-space:normal;text-align:center;text-decoration:none}
.teoria .btn:hover{border-color:var(--sign)}
.teoria .btn.primary{background:var(--sign);color:var(--sign-ink);border-color:var(--sign);font-weight:600}
.teoria .btn.primary:hover{filter:brightness(1.08)}
.teoria .btn.ghost{background:transparent}
.teoria .btn[disabled]{opacity:.45;cursor:not-allowed}
.teoria .btn.big{padding:14px 22px;font-size:17px}
.teoria .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:14px}
.teoria .panel h2{font-family:var(--f-display);font-weight:500;font-size:17px}
.teoria .muted{color:var(--muted)}
.teoria .small{font-size:14px}
.teoria .today{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.teoria .stat{background:var(--surface2);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;min-width:0}
.teoria .stat b{font-family:var(--f-display);font-weight:500;font-size:28px;line-height:1.1}
.teoria .stat span{font-size:13px;color:var(--muted)}
@media (max-width:520px){.teoria .today{grid-template-columns:1fr 1fr 1fr}
.teoria .stat b{font-size:22px}}
.teoria .seg{display:flex;flex-wrap:wrap;gap:8px}
.teoria .seg button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 14px;cursor:pointer;font-size:14px}
.teoria .seg button[aria-pressed="true"]{background:var(--sign);border-color:var(--sign);color:var(--sign-ink);font-weight:600}
.teoria .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.teoria input[type=number]{width:90px;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.teoria .bars{display:flex;flex-direction:column;gap:12px}
.teoria .bar-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;align-items:baseline}
.teoria .bar-row .lbl{font-weight:500}
.teoria .bar-row .num{font-size:14px;color:var(--muted)}
.teoria .bar{grid-column:1/-1;height:10px;background:var(--surface2);border-radius:999px;overflow:hidden;display:flex}
.teoria .bar i{display:block;height:100%}
.teoria .bar .known{background:var(--ok)}
.teoria .bar .deck{background:var(--warn)}
.teoria .legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.teoria .legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-inline-end:6px;vertical-align:-1px;background:var(--c)}
.teoria .mocks{display:flex;gap:8px;flex-wrap:wrap}
.teoria .mock{border-radius:8px;padding:4px 10px;font-weight:600;font-size:14px;background:var(--surface2)}
.teoria .mock.pass{background:var(--ok-bg);color:var(--ok)}
.teoria .mock.fail{background:var(--bad-bg);color:var(--bad)}
.teoria .ready{border-radius:10px;padding:10px 14px;font-weight:500}
.teoria .ready.yes{background:var(--ok-bg);color:var(--ok)}
.teoria .ready.no{background:var(--surface2)}
.teoria details.how summary{cursor:pointer;font-weight:600}
.teoria details.how ol{margin:8px 0 0;padding-inline-start:22px;display:flex;flex-direction:column;gap:4px}
.teoria .qhead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.teoria .chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 10px;font-size:13px;font-weight:600;background:var(--surface2)}
.teoria .chip.due{background:var(--warn-bg);color:var(--warn)}
.teoria .chip.new{background:var(--surface2);color:var(--sign)}
.teoria .chip.mixed{background:var(--surface2);color:var(--muted)}
.teoria .progress{height:6px;background:var(--surface2);border-radius:999px;overflow:hidden}
.teoria .progress i{display:block;height:100%;background:var(--sign);transition:width .2s}
.teoria .qcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:16px}
.teoria .qmeta{font-size:13px;color:var(--muted)}
.teoria .qtext{font-size:19px;font-weight:600;line-height:1.4}
.teoria .qimg{background:#fff;border-radius:10px;border:1px solid var(--line);display:flex;justify-content:center;padding:8px}
.teoria .qimg img{max-height:300px;object-fit:contain}
.teoria .opts{display:flex;flex-direction:column;gap:10px}
.teoria .opt{display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:10px;align-items:start;text-align:start;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px;cursor:pointer;line-height:1.4}
.teoria .opt:hover:not([disabled]){border-color:var(--sign)}
.teoria .opt .k{font-weight:700;width:28px;height:28px;border-radius:8px;background:var(--surface2);display:grid;place-items:center;font-size:14px}
.teoria .opt[disabled]{cursor:default}
.teoria .opt.right{border-color:var(--ok);background:var(--ok-bg)}
.teoria .opt.right .k{background:var(--ok);color:var(--sign-ink)}
.teoria .opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.teoria .opt.wrong .k{background:var(--bad);color:var(--sign-ink)}
.teoria .opt .mark{font-weight:700;font-size:18px;line-height:28px}
.teoria .opt.right .mark{color:var(--ok)}
.teoria .opt.wrong .mark{color:var(--bad)}
.teoria .opt.picked{border-color:var(--sign);box-shadow:inset 0 0 0 1px var(--sign)}
.teoria .opt.picked .k{background:var(--sign);color:var(--sign-ink)}
.teoria .feedback{border-radius:12px;padding:12px 14px;font-weight:500}
.teoria .feedback.ok{background:var(--ok-bg);color:var(--ok)}
.teoria .feedback.bad{background:var(--bad-bg);color:var(--bad)}
.teoria .actions{display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap}
.teoria .kbd{font-size:12px;color:var(--muted)}
.teoria .timer{font-family:var(--f-display);font-weight:500;font-size:20px}
.teoria .timer.low{color:var(--bad)}
.teoria .grid30{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px}
.teoria .grid30 button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 0;font-size:13px;cursor:pointer}
.teoria .grid30 button.ans{background:var(--surface2);font-weight:600}
.teoria .grid30 button.cur{border-color:var(--sign);box-shadow:inset 0 0 0 1px var(--sign)}
@media (max-width:520px){.teoria .grid30{grid-template-columns:repeat(6,minmax(0,1fr))}}
.teoria .score{font-family:var(--f-display);font-weight:700;font-size:44px;line-height:1}
.teoria .verdict{font-weight:700;font-size:18px}
.teoria .verdict.pass{color:var(--ok)}
.teoria .verdict.fail{color:var(--bad)}
.teoria .review{display:flex;flex-direction:column;gap:12px}
.teoria .review .item{border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}
.teoria .review .item img{max-height:140px;align-self:flex-start;background:#fff;border-radius:8px}
.teoria .review .yours{color:var(--bad)}
.teoria .review .corr{color:var(--ok)}
.teoria .confirm{border:1px solid var(--bad);background:var(--bad-bg);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.teoria .notice{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:10px 14px;font-size:14px}
.teoria .loading{padding:40px 0;text-align:center;color:var(--muted)}
@media (prefers-reduced-motion:reduce){.teoria *{transition:none!important}}

/* Free mock exam: the start card and the result text. */
.teoria .mock-start{gap:20px}
.teoria .mock-text{font-size:17px;line-height:1.6}
.teoria .mock-text p{margin:0 0 10px}
.teoria .mock-text p:last-child{margin-bottom:0}
/* Buttons follow the site: pills. */
.teoria .btn,.teoria .seg button{border-radius:999px}

/* Sign-in screen of the course page: two lanes with the road's centre line between them. */
.teoria .signin{position:relative;display:grid;grid-template-columns:1fr 1fr}
.teoria .signin::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:6px;margin-left:-3px;background:repeating-linear-gradient(to bottom,var(--sign) 0 34px,transparent 34px 60px)}
.teoria .signin__lane{padding:clamp(24px,5vw,72px) clamp(0px,4vw,56px) clamp(40px,6vw,88px);min-width:0}
.teoria .signin__lane:first-child{padding-inline-start:0}
.teoria .signin__lane:last-child{padding-inline-end:0}
.teoria .signin h1,.teoria .signin h2{font-weight:900;letter-spacing:-.03em;line-height:1.05;color:#fff}
.teoria .signin h1{font-size:clamp(40px,4.4vw,62px)}
.teoria .signin h2{font-size:clamp(28px,2.6vw,38px)}
.teoria .signin h1 em{font-style:normal;color:var(--sign)}
.teoria .signin__lead{margin-top:16px;font-size:19px;color:#cdd2d9;max-width:38ch}
.teoria .signin__form{margin-top:32px;max-width:440px;display:grid;gap:20px}
.teoria .signin__form label{display:grid;gap:8px;font-size:16px;font-weight:600;color:#fff}
.teoria .signin__form input{width:100%;height:58px;border-radius:14px;border:1.5px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);color:#fff;font:inherit;font-size:19px;padding:0 18px;text-align:left;caret-color:var(--sign);transition:border-color .15s}
.teoria .signin__form input:focus{outline:0;border-color:var(--sign)}
.teoria .signin__form input::placeholder{color:var(--muted)}
[dir=rtl] .teoria .signin__form input::placeholder{text-align:right}
.teoria .signin__form.is-bad input{border-color:var(--bad)}
.teoria .signin__pw{position:relative;display:block}
.teoria .signin__pw input{padding-right:96px}
.teoria .signin__pw button{position:absolute;right:8px;top:7px;height:44px;padding:0 14px;border:0;border-radius:10px;background:transparent;color:var(--muted);font-size:15px;cursor:pointer}
.teoria .signin__pw button:hover{color:#fff}
.teoria .signin__submit{width:100%;min-height:58px;border:0;border-radius:999px;background:var(--sign);color:var(--sign-ink);font-size:18px;font-weight:700;cursor:pointer;transition:filter .15s,transform .15s}
.teoria .signin__submit:hover{filter:brightness(1.08)}
.teoria .signin__submit:active{transform:scale(.98)}
.teoria .note{margin:0;padding:14px 16px;border-radius:14px;background:var(--ok-bg);color:var(--ok);font-size:16px;font-weight:600}
.teoria .note--bad{background:var(--bad-bg);color:var(--bad)}
.teoria .signin__help{margin-top:24px;max-width:440px;font-size:16px;color:var(--muted)}
.teoria .signin__help a{color:var(--sign);font-weight:700}
.teoria .signin__inside{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:26px;max-width:46ch}
.teoria .signin__inside li{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}
.teoria .signin__inside svg{width:44px;height:44px;padding:10px;border-radius:12px;background:rgba(245,224,80,.12);fill:none;stroke:var(--sign);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.teoria .signin__inside b{display:block;font-size:20px;color:#fff}
.teoria .signin__inside span{color:#cdd2d9;font-size:17px}
.teoria .signin__trial{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);max-width:46ch}
.teoria .signin__trial p{font-size:18px;color:#cdd2d9;margin:0 0 16px}
.teoria .signin__ghost{display:inline-flex;align-items:center;min-height:54px;padding:0 26px;border-radius:999px;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.28);color:#fff;font-weight:700;text-decoration:none;transition:box-shadow .15s}
.teoria .signin__ghost:hover{box-shadow:inset 0 0 0 1.5px var(--sign)}
@media (max-width:900px){
	.teoria .signin{grid-template-columns:1fr}
	.teoria .signin::before{display:none}
	.teoria .signin__lane{padding:32px 0 40px}
	.teoria .signin__lane + .signin__lane{background:repeating-linear-gradient(to left,var(--sign) 0 34px,transparent 34px 60px) top/100% 6px no-repeat}
}

/* Account bar above the trainer: greeting, sign-out, and the optional change of username and password. */
.teoria .account{display:grid;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.teoria .account__row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0}
.teoria .account a{color:var(--sign);font-weight:600}
.teoria .account summary{cursor:pointer;color:var(--muted);font-size:15px;width:max-content;max-width:100%}
.teoria .account summary:hover{color:#fff}
.teoria .account .signin__form{margin-top:16px}