@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url('/static/fonts/inter-latin-400-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2190-21FF}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url('/static/fonts/inter-cyrillic-400-normal.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url('/static/fonts/inter-latin-600-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2190-21FF}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url('/static/fonts/inter-cyrillic-600-normal.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
:root{--bg:#111214;--surface:#202123;--text:#f5f5f5;--muted:#999a9f;--border:#414245;--success:#27d989;--error:#e44747;--space:24px;--radius:14px}*{box-sizing:border-box}body{margin:0;min-height:100svh;background:radial-gradient(ellipse 68% 62% at 50% 5%,#303135 0%,#1a1b1e 48%,#101113 100%);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}header{position:fixed;inset:0 0 auto;height:58px;border-bottom:1px solid #434447;background:linear-gradient(100deg,#1c1d1f,#252628 50%,#191a1c);display:flex;align-items:center;justify-content:center;z-index:1}header img{object-fit:contain;width:58px;height:32px;mix-blend-mode:screen;filter:contrast(1.5)}main{display:flex;min-height:100svh;align-items:center;justify-content:center;padding:100px 24px 50px}section{width:min(100%,554px);text-align:center;animation:appear .3s ease both}h1{font-size:clamp(26px,3vw,42px);line-height:1.2;letter-spacing:-.025em;font-weight:600;margin:0 0 44px}p{font-size:15px;line-height:1.55;color:#c4c5c8}#auth-description{margin:-24px 0 28px}form{width:100%}

/* Each .field is a flow sibling before the submit button. Toggling .show animates
   max-height/opacity/margin, so the button smoothly rises/descends as fields
   appear or disappear above it — no field is ever abruptly cut with [hidden]. */
.field{overflow:hidden;max-height:0;opacity:0;margin-top:0;transition:max-height .35s ease,opacity .3s ease .05s,margin-top .35s ease}
.field.show{max-height:320px;opacity:1;margin-top:18px}
.field:first-of-type.show{margin-top:0}
.field{position:relative}
.field input{width:100%;height:66px;border-radius:var(--radius);border:1px solid var(--border);background:#14151780;color:var(--text);padding:0 50px 0 21px;font:inherit;font-size:19px;outline:none;transition:border-color .25s,box-shadow .25s,background .25s,color .25s}
input::placeholder{color:#898a8f}input:focus{border-color:#a8a9ad;box-shadow:0 0 0 3px #ffffff08}input:disabled{opacity:.65}
.field-icon{position:absolute;right:22px;top:23px;color:var(--muted)}
.check-icon{position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--success);font-size:20px;opacity:0;transition:opacity .25s}
.field.success input{border-color:var(--success);background:#0f2920a0;color:var(--success)}
.field.success input:disabled{opacity:1}
.field.success .check-icon{opacity:1}
.field.success .field-icon{opacity:0}
#field-qr{text-align:center}
#qr{width:208px;height:208px;max-width:100%;padding:8px;background:#fff;border-radius:12px}

button{position:relative;width:100%;height:64px;border-radius:40px;border:1px solid #626367;background:linear-gradient(#303133,#252628);color:#eee;font:inherit;font-size:18px;cursor:pointer;transition:background .25s,color .25s,transform .25s,opacity .25s}
button:hover:enabled{transform:translateY(-2px)}button:focus-visible{outline:2px solid white;outline-offset:4px}
#submit,#auth-submit{margin-top:30px}
#submit:enabled,#auth-submit:enabled{background:#f3f3f4;color:#17181a;border-color:#fff}
button:disabled{cursor:default;color:#8e8f94;opacity:.65}
#button-icon,#auth-button-icon{position:absolute;right:24px;font-size:25px;top:16px}
#error,#auth-error{text-align:left;color:var(--error);margin:9px 2px -10px;font-size:14px}
.invalid input{border-color:var(--error);animation:shake .25s}

#auth-switch{position:fixed;right:24px;bottom:24px;z-index:5;width:auto;height:auto;min-height:44px;padding:12px 22px;font-size:14px;white-space:nowrap;box-shadow:0 8px 26px #0005}

code{font-size:12px;overflow-wrap:anywhere;user-select:all}
#success svg{stroke:var(--success);stroke-width:4;fill:none;margin-bottom:24px;animation:appear .3s ease}
#success h1{font-size:32px;margin-bottom:14px}
#success p{max-width:440px;margin:0 auto}
#timer{margin:32px auto 0;width:min(100%,440px)}
#clock{font-size:32px;font-weight:600;font-variant-numeric:tabular-nums}
#track{height:8px;background:#303136;border-radius:20px;margin-top:22px;overflow:hidden}
#progress{height:100%;width:100%;background:var(--success);border-radius:20px}
.spinner{display:inline-block;width:20px;height:20px;border:2px solid #737479;border-top-color:#eee;border-radius:50%;animation:spin .7s linear infinite}
[hidden]{display:none!important}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
@media(max-width:600px){header{height:50px}main{padding:90px 28px 50px}h1{font-size:28px;margin-bottom:32px}.field input{height:54px;font-size:16px;padding-left:16px}.field-icon{top:17px}.check-icon{top:50%}button{height:52px;font-size:16px}#button-icon,#auth-button-icon{top:10px}#submit,#auth-submit{margin-top:24px}#success h1{font-size:28px}#auth-switch{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:5;font-size:13px;padding:12px 16px;max-width:calc(100vw - 32px)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.field{transition:none}}

/* Keep the viewport-fixed switch outside the animated section. */
body:has(#auth-screen[hidden]) > #auth-switch{display:none!important}