/* Login and Telegram challenge share the light-first application foundation. */
:root{--auth-bg:#f4f6fa;--auth-panel:#fff;--auth-raised:#f8fafc;--auth-line:#e3e8f0;--auth-text:#172033;--auth-soft:#667085;--auth-brand:#4f6ef7;--auth-brand-deep:#4059d8}
html,body{background:radial-gradient(circle at 82% 8%,#4f6ef710 0,transparent 29rem),var(--auth-bg);color:var(--auth-text)}#auth.auth{background:transparent}#auth .auth-wordmark,#auth .auth-story h2 em{color:var(--auth-brand);background:transparent}#auth .auth-rule{background-color:var(--auth-brand)}#auth .auth-story p,#auth .auth-story small,#auth .panel p,#auth .panel small,#auth #loginCaptcha span{color:var(--auth-soft)}#auth .panel{border-color:var(--auth-line);background:var(--auth-panel);box-shadow:0 18px 48px rgb(16 24 40 / .08)}#auth input,#auth #loginCaptcha{background:var(--auth-raised);border-color:var(--auth-line);color:var(--auth-text)}#auth input:focus{border-color:var(--auth-brand);box-shadow:0 0 0 3px rgb(79 110 247 / .16)}#auth button:not(.text-button):not(.light),#auth .login-app-download{background:var(--auth-brand);border-color:var(--auth-brand);color:#fff}#auth button:not(.text-button):not(.light):hover{background:var(--auth-brand-deep)}#auth button.light{background:transparent;color:var(--auth-text);border-color:var(--auth-line)}#auth button.light:hover{background:#f0f3f8;border-color:#d3dbe8}#auth button.text-button{background:transparent;color:var(--auth-brand)}#auth #forgotError,#auth #resetError{min-height:1.25rem;color:#48566d;font-size:.88rem;line-height:1.4}#auth .login-app-download{display:grid;gap:4px;border-radius:11px;text-decoration:none}#auth .login-app-download span,#auth .login-app-download b{color:#fff}#auth .login-options{color:var(--auth-soft)}#auth #loginCaptcha .captcha-image{border-color:var(--auth-line);background:#edf1f7}
@media(max-width:820px){#auth.auth{min-height:100dvh;padding:24px 16px calc(28px + env(safe-area-inset-bottom))}#auth .panel{padding:22px;border-radius:16px}#auth .login-options{display:grid;grid-template-columns:1fr;gap:10px}#auth button,#auth input{min-height:46px;font-size:16px}}