/* Authentication owns its colors and layout, independently of the legacy books CSS. */
.nx-auth-page{--auth-ink:#152f50;--auth-muted:#52657c;--auth-blue:#0864de;--auth-line:#dbe4f0;min-height:100svh;color:var(--auth-ink);background:radial-gradient(ellipse at 90% 10%,#e4edff 0,transparent 48%),#f4f7fc;color-scheme:light;isolation:isolate}
.nx-auth-page *{box-sizing:border-box}
.nx-auth-header{min-height:96px;padding:22px max(5%,24px);display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:1;background:transparent;border:0}
.nx-auth-header>nav{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.nx-auth-header .nx-brand{flex:none}
.nx-auth-header .nx-language{color:#36506d}
.nx-auth-header select{min-height:38px;border-color:#d1ddea;background:#fff;color:#253d59}
.nx-auth-page a.nx-auth-home{display:inline-flex;align-items:center;gap:8px;color:#425b76;font-size:13px;font-weight:600}
.nx-auth-home>.nx-icon{transform:rotate(180deg)}
.nx-auth-layout{width:100%;max-width:1280px;min-height:calc(100svh - 168px);margin:0 auto;padding:16px 40px 32px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);grid-template-areas:'story panel';gap:58px;align-items:center}
.nx-auth-panel{grid-area:panel;min-width:0;width:100%;max-width:488px;justify-self:end;padding:34px 38px 28px;background:#fff;border:1px solid #e1e9f4;border-radius:22px;box-shadow:0 18px 70px #16355d0b,0 2px 5px #18385804}
.nx-auth-page .nx-auth-steps{list-style:none;display:flex;gap:0;align-items:center;justify-content:space-between;padding:0 0 25px;margin:0 0 26px;border-bottom:1px solid #e5ebf3}
.nx-auth-steps li{display:flex;align-items:center;gap:8px;position:relative;font-size:11px;font-weight:600;color:#52657c;line-height:1.5}
.nx-auth-steps li>span:first-child{width:23px;height:23px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid #ccd8e6;background:#f5f8fc;color:#52657c;font-size:10px}
.nx-auth-steps li.is-current{color:#0755c0}
.nx-auth-steps li.is-current>span:first-child{background:#0864de;color:#fff;border-color:#0864de;box-shadow:0 0 0 4px #eef4ff}
.nx-auth-steps li.is-done>span:first-child{background:#e9f6f0;color:#167454;border-color:#b8e0cf}
.nx-auth-mark{width:46px;height:46px;display:flex;align-items:center;justify-content:center;background:#eef4ff;color:#0864de;border:1px solid #e0eaff;border-radius:12px;margin-bottom:20px}
.nx-auth-page .nx-auth-kicker{font-size:10px;font-weight:750;letter-spacing:1.65px;line-height:1.6;color:#47627f;margin:0 0 9px}
.nx-auth-panel h2{color:#152f50;font-size:31px;line-height:1.25;font-weight:750;letter-spacing:-1.05px;margin:0 0 10px;overflow-wrap:anywhere}
.nx-auth-page .nx-auth-description{font-size:14px;line-height:1.8;color:#52657c;margin:0}
.nx-auth-description strong{font-weight:650;color:#254362;overflow-wrap:anywhere}
.nx-auth-page .nx-auth-modes{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border:1px solid #e2e9f2;background:#f4f7fb;border-radius:10px;margin:25px 0 23px}
.nx-auth-modes a{padding:9px 8px;display:flex;align-items:center;justify-content:center;border-radius:7px;color:#52657c;font-size:13px;font-weight:650;line-height:1.5;text-align:center;transition:background .18s,color .18s,box-shadow .18s}
.nx-auth-modes a:hover{color:#0755c0;background:#e8effb}
.nx-auth-modes a[aria-current=page]{color:#0755c0;background:#fff;box-shadow:0 1px 4px #16365c16}
.nx-auth-page .nx-auth-error{margin:0 0 18px;padding:12px 14px;border:1px solid #edc4ca;border-radius:8px;background:#fff1f3;color:#962c40;font-size:13px;line-height:1.7;white-space:pre-line;overflow-wrap:anywhere}
.nx-auth-error:empty{display:none}
.nx-auth-page form[data-auth-form]{margin:24px 0 0;padding:0;max-width:none}
.nx-auth-page .nx-auth-field{display:grid;gap:9px;margin:0;color:#233c59;font-size:13px;line-height:1.5;font-weight:650}
.nx-auth-input-wrap{position:relative;display:block;min-width:0}
.nx-auth-input-wrap>.nx-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#607791;pointer-events:none}
.nx-auth-page .nx-auth-field input{display:block;min-height:51px;width:100%;margin:0;padding:14px 15px;border:1.5px solid #cfdaea;border-radius:9px;background:#fff;color:#18324e;font-size:14px;font-weight:450;line-height:1.5;box-shadow:0 1px 2px #19395704;transition:border-color .18s,box-shadow .18s;-webkit-text-fill-color:#18324e}
.nx-auth-input-wrap input{padding-left:44px!important}
.nx-auth-field input::placeholder{color:#64778e;opacity:1;-webkit-text-fill-color:#64778e}
.nx-auth-field input:hover{border-color:#9ab3d2}
.nx-auth-field input:focus{border-color:#0864de;box-shadow:0 0 0 4px #e9f1ff;outline:0;outline-offset:0}
.nx-auth-field input[aria-invalid=true]{border-color:#b33d53;background:#fffafb}
.nx-auth-field input[aria-invalid=true]:focus{box-shadow:0 0 0 4px #fff0f3}
.nx-auth-page .nx-auth-input-hint{font-size:12px;line-height:1.65;color:#596d85;margin:9px 0 0;overflow-wrap:anywhere}
.nx-auth-input-hint.is-error{color:#a12c43}
.nx-auth-page button.nx-auth-submit{width:100%;min-height:51px;margin-top:23px;padding:14px 18px;display:flex;align-items:center;justify-content:center;gap:11px;border:1px solid #0864de;border-radius:9px;background:#0864de;color:#fff;box-shadow:0 4px 10px #0864de1f;font-size:14px;font-weight:650;line-height:1.5;transition:background .18s,transform .18s,box-shadow .18s}
.nx-auth-submit .nx-icon{transition:transform .18s}
.nx-auth-page button.nx-auth-submit:hover:not(:disabled){background:#0755c0;border-color:#0755c0;box-shadow:0 6px 14px #0864de2b;transform:translateY(-1px)}
.nx-auth-submit:hover:not(:disabled)>.nx-icon{transform:translateX(3px)}
.nx-auth-page button.nx-auth-submit:disabled{opacity:1;background:#426b9d;color:#fff;border-color:#426b9d;box-shadow:none;cursor:wait}
.nx-auth-divider{display:flex;align-items:center;gap:13px;color:#5f7288;font-size:11px;line-height:1.5;margin:22px 0}
.nx-auth-divider:before,.nx-auth-divider:after{content:'';height:1px;flex:1;background:#e0e7f1}
.nx-auth-page a.nx-auth-telegram,.nx-auth-page button.nx-auth-telegram{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;min-height:49px;padding:12px 18px;border:1px solid #d3dfed;border-radius:9px;background:#fff;color:#254765;font-size:14px;line-height:1.5;font-weight:600;transition:background .18s,border-color .18s}
.nx-auth-telegram>.nx-icon:first-child{color:#1277a8}
.nx-auth-telegram>.nx-icon:last-child:not(:first-child){margin-left:4px;color:#6a8099}
.nx-auth-page a.nx-auth-telegram:hover{border-color:#8bb4d9;background:#f3f9ff}
.nx-auth-page button.nx-auth-telegram:disabled{opacity:1;background:#f3f6fa;color:#566b83;cursor:not-allowed}
.nx-auth-page .nx-auth-security{display:flex;align-items:flex-start;justify-content:center;gap:7px;margin:20px 0 0;color:#586f89;font-size:11px;line-height:1.7;text-align:left}
.nx-auth-security>.nx-icon{margin-top:1px;color:#4d7199}
.nx-auth-page .nx-auth-switch{margin:23px 0 0;padding-top:21px;border-top:1px solid #e7edf5;text-align:center;color:#52657c;font-size:12px;line-height:1.8}
.nx-auth-switch a{color:#0755c0;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.nx-auth-trial{display:flex;gap:10px;align-items:flex-start;padding:13px 12px;border:1px solid #dbe9e3;background:#f4faf7;border-radius:9px;margin-top:20px}
.nx-auth-trial-badge{flex:none;padding:4px 6px;border:1px solid #c5e3d5;border-radius:5px;background:#e6f4ed;color:#146847;font-size:10px;line-height:1.5;font-weight:750}
.nx-auth-trial p{margin:0;color:#4b6558;font-size:10px;line-height:1.7}
.nx-auth-trial p>strong{display:block;color:#244e39;font-size:11px;font-weight:700}
.nx-auth-trial p>strong>span{font-weight:450}
.nx-auth-trial p>span{display:block}
.nx-auth-page .nx-auth-story{grid-area:story;min-width:0;min-height:650px;align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;gap:38px;position:relative;overflow:hidden;padding:46px 42px 30px;border:1px solid #284d80;border-radius:24px;background:radial-gradient(ellipse at 90% 0%,#24538d 0,transparent 62%),linear-gradient(145deg,#13335f,#0d2549);color:#fff;box-shadow:0 16px 55px #0e2c5312}
.nx-auth-story:after{content:'';position:absolute;right:-90px;top:-100px;width:330px;height:330px;border:1px solid #ffffff0c;border-radius:50%;box-shadow:0 0 0 45px #ffffff03,0 0 0 90px #ffffff02;pointer-events:none}
.nx-auth-story>div{position:relative;z-index:1}
.nx-auth-story-label{display:flex;align-items:center;gap:9px;color:#c3d8f5;font-size:10px;font-weight:700;line-height:1.6;letter-spacing:1.65px}
.nx-auth-story-label>span:first-child{display:block;width:6px;height:6px;border-radius:50%;background:#7edec1;box-shadow:0 0 0 4px #7edec112}
.nx-auth-story h1{margin:28px 0 20px;color:#fff;font-size:clamp(38px,4vw,56px);line-height:1.12;letter-spacing:-1.8px;font-weight:700}
.nx-auth-story h1>span{color:#fff}
.nx-auth-story h1>.nx-auth-accent{color:#9cd4ff}
.nx-auth-story-top>p{margin:0;max-width:315px;color:#ccdcf1;font-size:16px;line-height:1.9;font-weight:400}
.nx-auth-workflow{border:1px solid #ffffff29;background:#ffffff08;border-radius:13px;padding:19px 18px 15px}
.nx-auth-workflow-title{display:flex;align-items:center;gap:10px;color:#eaf2ff;font-size:12px;font-weight:650;line-height:1.6;margin-bottom:19px}
.nx-auth-workflow-title>.nx-icon{color:#a6c5ed}
.nx-auth-feature-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;padding:0;margin:0}
.nx-auth-page button[data-auth-feature]{display:flex;align-items:center;justify-content:center;gap:6px;min-height:43px;margin:0;padding:10px 7px;background:#ffffff08;color:#d9e7f9;border:1px solid #ffffff2b;border-radius:7px;font-size:11px;line-height:1.5;font-weight:600;transition:background .18s,color .18s,transform .18s}
.nx-auth-page button[data-auth-feature]:hover{background:#ffffff1a;color:#fff;transform:translateY(-1px)}
.nx-auth-page button[data-auth-feature][aria-pressed=true]{background:#e8f1ff;border-color:#e8f1ff;color:#173e70;box-shadow:0 2px 8px #04162c1f}
.nx-auth-feature-detail{display:flex;align-items:flex-start;gap:12px;margin:23px 0 20px;min-height:98px}
.nx-auth-feature-glyph{display:flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;border:1px solid #ffffff20;border-radius:9px;background:#ffffff08;color:#a8d8ff}
.nx-auth-feature-detail h3{font-size:13px;line-height:1.6;font-weight:650;color:#fff;margin:0 0 6px;letter-spacing:0}
.nx-auth-feature-detail p{font-size:12px;line-height:1.85;font-weight:400;color:#c7d8ef;margin:0}
.nx-auth-workflow-foot{display:flex;align-items:flex-start;gap:6px;padding-top:14px;border-top:1px solid #ffffff20;color:#c7d8ed;font-size:10px;line-height:1.7}
.nx-auth-workflow-foot>.nx-icon{color:#91dfca;margin-top:1px}
.nx-auth-story-footer{display:flex;align-items:center;gap:11px;padding-top:4px}
.nx-auth-country{display:flex;align-items:center;justify-content:center;width:30px;height:30px;flex:none;border:1px solid #ffffff30;border-radius:7px;color:#e0ebfb;font-size:10px;font-weight:650;letter-spacing:1px}
.nx-auth-story-footer>p{color:#d2e1f5;font-size:11px;line-height:1.7;margin:0;max-width:260px}
.nx-auth-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;max-width:1280px;margin:0 auto;padding:14px 43px 26px;color:#546b86;font-size:11px;line-height:1.6}
.nx-auth-page .nx-auth-code{font-size:26px!important;font-weight:650!important;letter-spacing:.42em;text-align:center;padding-left:calc(15px + .42em)!important;font-variant-numeric:tabular-nums;min-height:66px!important}
.nx-auth-code::placeholder{color:#73859c;letter-spacing:.42em;font-weight:450}
.nx-auth-page .nx-auth-resend{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:20px;color:#52657c;font-size:12px;line-height:1.7}
.nx-auth-page .nx-auth-resend button{display:flex;align-items:center;gap:8px;min-height:36px;padding:5px 0;border:0;border-radius:4px;background:none;color:#0755c0;box-shadow:none;font-size:12px;font-weight:700}
.nx-auth-page .nx-auth-resend button:disabled{opacity:1;color:#536a84;cursor:not-allowed}
.nx-auth-resend [data-auth-countdown]{font-size:11px;font-variant-numeric:tabular-nums;color:#546d8c}
.nx-auth-resend [data-auth-countdown]:empty{display:none}
.nx-auth-page .nx-auth-spam{margin-top:3px}
.nx-auth-page button.nx-auth-back{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:24px;min-height:44px;padding:10px 12px;border:1px solid #dbe4f0;border-radius:8px;background:#f8fafd;color:#3b5674;box-shadow:none;font-size:12px;font-weight:600}
.nx-auth-back>.nx-icon{transform:rotate(180deg)}
.nx-auth-page button.nx-auth-back:hover{background:#eaf1fc;border-color:#adcaee;color:#154a8e}
.nx-auth-page a:focus-visible,.nx-auth-page button:focus-visible{outline:3px solid #64a5ff;outline-offset:4px}
.nx-auth-spinner{width:17px;height:17px;border:2px solid #ffffff66;border-top-color:#fff;border-radius:50%;animation:nx-auth-spin .7s linear infinite;flex:none}
@keyframes nx-auth-spin{to{transform:rotate(360deg)}}
@keyframes nx-auth-enter{from{opacity:.4;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.nx-auth-layout{max-width:1360px;gap:80px}.nx-auth-panel{max-width:500px}.nx-auth-story{padding:55px 50px 34px;min-height:690px}}
@media(max-width:1050px){.nx-auth-layout{gap:28px;padding:16px 26px 28px}.nx-auth-panel{padding:29px 28px 25px}.nx-auth-story{padding:36px 28px 26px}.nx-auth-story h1{font-size:42px}.nx-auth-workflow{padding:18px 14px 14px}.nx-auth-feature-tabs{gap:5px}.nx-auth-page button[data-auth-feature]{font-size:10px;padding:9px 5px;gap:4px}.nx-auth-header{padding-left:30px;padding-right:30px}.nx-auth-footer{padding-left:30px;padding-right:30px}}
@media(max-width:760px){.nx-auth-header{min-height:82px;padding:19px 22px;gap:18px;flex-wrap:wrap}.nx-auth-header>nav{gap:15px}.nx-auth-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:'panel' 'story';gap:30px;padding:13px 22px 25px;min-height:0}.nx-auth-panel{justify-self:center;max-width:500px;padding:30px}.nx-auth-page .nx-auth-story{justify-self:center;min-height:0;width:100%;max-width:500px;padding:31px 30px 27px;gap:30px}.nx-auth-story h1{font-size:39px;margin:20px 0 16px}.nx-auth-story-top>p{font-size:14px;max-width:360px}.nx-auth-story-footer>p{max-width:none}.nx-auth-feature-detail{min-height:78px}.nx-auth-page button[data-auth-feature]{font-size:12px;padding:10px 6px;gap:6px}.nx-auth-footer{max-width:544px;justify-content:center;text-align:center;padding:6px 25px 25px;gap:6px;flex-direction:column}}
@media(max-width:420px){.nx-auth-header{padding:19px 18px;gap:18px 8px}.nx-auth-header .nx-wordmark strong{font-size:23px}.nx-auth-header .nx-wordmark small{font-size:10px}.nx-auth-header>nav{gap:10px}.nx-auth-home{font-size:11px!important}.nx-auth-header select{max-width:100px;font-size:11px;padding:8px}.nx-auth-layout{padding-left:14px;padding-right:14px}.nx-auth-panel{padding:26px 22px}.nx-auth-panel h2{font-size:29px}.nx-auth-page .nx-auth-story{padding:29px 23px 24px}.nx-auth-page .nx-auth-kicker{font-size:9px}.nx-auth-steps li{font-size:10px;gap:6px}.nx-auth-trial{flex-wrap:wrap}.nx-auth-page button[data-auth-feature]{font-size:10px;gap:4px}.nx-auth-feature-detail{min-height:100px}}
@media(prefers-reduced-motion:reduce){.nx-auth-page *,.nx-auth-page *:before,.nx-auth-page *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}