.auth-page{
    min-height:100vh;
    margin:0;
    background:
        radial-gradient(circle at 88% 5%,color-mix(in srgb,var(--accent) 35%,transparent),transparent 34%),
        radial-gradient(circle at 8% 95%,color-mix(in srgb,var(--secondary) 34%,transparent),transparent 35%),
        var(--bg-page);
    color:var(--text-primary);
    font-family:var(--font-ui);
    position:relative;
}
.auth-page::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background-image:linear-gradient(color-mix(in srgb,var(--border-soft) 24%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--border-soft) 20%,transparent) 1px,transparent 1px);
    background-size:48px 48px;
    mask-image:linear-gradient(to bottom,rgba(0,0,0,.35),transparent 78%);
}
.auth-toolbar{
    position:fixed;
    inset-block-start:clamp(12px,2vw,24px);
    inset-inline:clamp(14px,3vw,36px);
    z-index:20;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
}
.auth-brand{
    min-width:0;
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text-primary);
    font-size:clamp(16px,2vw,20px);
    font-weight:800;
}
.auth-brand__mark{
    width:40px;
    height:40px;
    border-radius:13px;
    display:grid;
    place-items:center;
    flex:none;
    background:linear-gradient(135deg,var(--accent),var(--secondary));
    color:var(--text-on-accent);
    box-shadow:0 10px 28px color-mix(in srgb,var(--accent) 30%,transparent);
}
.auth-theme-toggle{
    width:44px;
    height:44px;
    border-radius:14px;
    display:grid;
    place-items:center;
    color:var(--text-primary);
    background:color-mix(in srgb,var(--bg-surface) 88%,transparent);
    border:1px solid var(--border-soft);
    box-shadow:var(--shadow-soft);
    backdrop-filter:blur(18px);
}
.auth-theme-toggle .fa-sun{display:none}
[data-theme="light"] .auth-theme-toggle .fa-sun{display:inline-block}
[data-theme="light"] .auth-theme-toggle .fa-moon{display:none}
.auth-layout{
    min-height:100vh;
    width:100%;
    padding:clamp(88px,10vh,118px) clamp(14px,4vw,44px) clamp(32px,6vh,64px);
    display:grid;
    place-items:center;
    position:relative;
    z-index:2;
}
.auth-card{
    width:min(100%,430px);
    padding:clamp(20px,4vw,30px);
    border-radius:28px;
    background:color-mix(in srgb,var(--bg-card) 93%,transparent);
    border:1px solid var(--border-soft);
    box-shadow:0 28px 90px rgba(2,6,23,.28);
    backdrop-filter:blur(22px) saturate(135%);
}
.auth-card--wide{width:min(100%,720px)}
.auth-back-link{
    display:inline-flex;
    align-items:center;
    gap:7px;
    min-height:36px;
    padding-inline:4px;
    margin-bottom:14px;
    color:var(--text-muted);
    font-size:12px;
    font-weight:700;
    transition:color .2s ease,transform .2s ease;
}
.auth-back-link:hover{color:var(--accent);transform:translateX(2px)}
.auth-card__icon{
    width:52px;
    height:52px;
    margin-inline:auto;
    margin-bottom:14px;
    border-radius:17px;
    display:grid;
    place-items:center;
    background:linear-gradient(135deg,var(--accent),var(--secondary));
    color:var(--text-on-accent);
    font-size:21px;
    box-shadow:0 14px 34px color-mix(in srgb,var(--accent) 28%,transparent);
}
.auth-card__title{
    margin:0;
    color:var(--text-primary);
    text-align:center;
    font-size:clamp(23px,4.6vw,30px);
    line-height:1.45;
    font-weight:800;
    text-wrap:balance;
}
.auth-card__description{
    max-width:560px;
    margin:9px auto 20px;
    color:var(--text-secondary);
    text-align:center;
    font-size:13px;
    line-height:1.9;
}
.gradient_word,.brand-text{
    font-weight:800;
    color:var(--accent);
}
@supports (-webkit-background-clip:text){
    .gradient_word,.brand-text{
        background:linear-gradient(135deg,var(--accent),var(--secondary));
        -webkit-background-clip:text;
        background-clip:text;
        color:transparent;
    }
}
.auth-form{display:grid;gap:14px}
.auth-form--grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.auth-form__full{grid-column:1/-1}
.auth-field{display:grid;gap:7px;min-width:0}
.auth-field[hidden]{display:none}
.auth-field label,.recovery-methods legend{
    color:var(--text-secondary);
    font-size:12px;
    font-weight:750;
}
.auth-input-wrap{position:relative;min-width:0}
.auth-input-wrap input{
    width:100%;
    min-width:0;
    height:48px;
    padding:0 42px 0 13px;
    border-radius:14px;
    border:1px solid var(--border-soft);
    background:var(--bg-input);
    color:var(--text-primary);
    font-family:inherit;
    font-size:14px;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.auth-input-wrap input::placeholder{color:var(--text-muted);opacity:.92}
.auth-input-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.auth-input-wrap>i{
    position:absolute;
    inset-inline-start:14px;
    inset-block-start:50%;
    transform:translateY(-50%);
    color:var(--text-muted);
    font-size:15px;
    pointer-events:none;
}
.auth-submit,.auth-secondary-button{
    width:100%;
    min-height:48px;
    padding:10px 18px;
    border:0;
    border-radius:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    font:inherit;
    font-size:14px;
    font-weight:800;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.auth-submit{
    margin-top:2px;
    color:var(--text-on-accent);
    background:linear-gradient(135deg,var(--accent),var(--secondary));
    box-shadow:0 12px 30px color-mix(in srgb,var(--accent) 24%,transparent);
}
.auth-submit:hover,.oauth-button:hover{transform:translateY(-2px)}
.auth-submit:focus-visible,.oauth-button:focus-visible,.auth-secondary-button:focus-visible,.recovery-method:focus-within{outline:3px solid var(--accent-soft);outline-offset:2px}
.auth-links{
    margin-top:16px;
    padding-top:14px;
    border-top:1px solid var(--border-soft);
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:8px 14px;
}
.auth-links--single{justify-content:center}
.auth-links a{color:var(--text-muted);font-size:12px;font-weight:700}
.auth-links a:hover{color:var(--accent)}
.auth-divider{display:flex;align-items:center;gap:12px;margin:18px 0 12px;color:var(--text-muted);font-size:11px}
.auth-divider::before,.auth-divider::after{content:"";height:1px;flex:1;background:var(--border-soft)}
.oauth-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.oauth-button{
    min-height:46px;
    padding:9px 14px;
    border-radius:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    background:var(--bg-chip);
    color:var(--text-primary);
    border:1px solid var(--border-soft);
    font-size:13px;
    font-weight:800;
    transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.oauth-button:hover{border-color:var(--accent);background:var(--bg-card-hover)}
.oauth-button i{font-size:18px}
.oauth-note{margin:10px 0 0;display:flex;align-items:flex-start;justify-content:center;gap:7px;color:var(--text-muted);font-size:11px;line-height:1.8;text-align:center}
.oauth-note i{margin-top:4px;color:var(--accent)}
.recovery-methods{
    margin:0;
    padding:0;
    border:0;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px;
}
.recovery-methods legend{grid-column:1/-1;margin-bottom:1px}
.recovery-method{
    min-width:0;
    min-height:76px;
    padding:11px;
    border-radius:16px;
    border:1px solid var(--border-soft);
    background:var(--bg-chip);
    display:grid;
    grid-template-columns:auto minmax(0,1fr);
    align-items:center;
    gap:10px;
    cursor:pointer;
    transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.recovery-method:hover{transform:translateY(-1px);border-color:var(--border-strong)}
.recovery-method:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.recovery-method input{position:absolute;opacity:0;pointer-events:none}
.recovery-method__icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--bg-card);color:var(--accent);border:1px solid var(--border-soft)}
.recovery-method>span:last-child{display:grid;gap:2px;min-width:0}
.recovery-method strong{font-size:13px;color:var(--text-primary)}
.recovery-method small{font-size:10.5px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.auth-resend-form{margin-top:12px}
.auth-secondary-button{min-height:42px;background:transparent;color:var(--text-secondary);border:1px solid var(--border-soft)}
.auth-secondary-button:hover{color:var(--accent);border-color:var(--accent)}
.auth-card .form-error,.auth-card .field-error,.auth-card ul.errorlist{
    margin:0;
    padding:0;
    list-style:none;
    color:#e55d68;
    font-size:11px;
    line-height:1.7;
}
[data-theme="light"] .auth-card{box-shadow:0 28px 80px rgba(30,41,59,.16)}
[data-theme="light"] .auth-page{background:radial-gradient(circle at 88% 5%,rgba(91,99,255,.18),transparent 34%),radial-gradient(circle at 8% 95%,rgba(124,58,237,.15),transparent 35%),var(--bg-page)}
@media(max-width:620px){
    .auth-toolbar{position:absolute}
    .auth-brand .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .auth-layout{place-items:start center;padding-top:84px}
    .auth-card{border-radius:24px;padding:18px}
    .auth-form--grid{grid-template-columns:1fr}
    .auth-form__full{grid-column:auto}
}
@media(max-width:390px){
    .auth-layout{padding-inline:8px}
    .auth-card{padding:16px;border-radius:20px}
    .auth-toolbar{inset-inline:10px}
    .auth-brand__mark{width:38px;height:38px}
    .auth-theme-toggle{width:40px;height:40px}
    .recovery-method{grid-template-columns:1fr;justify-items:center;text-align:center;padding:9px 6px}
    .recovery-method small{max-width:100%}
    .oauth-buttons{grid-template-columns:1fr}
}
@media(max-height:700px) and (min-width:621px){
    .auth-layout{place-items:start center;padding-top:82px}
}
@media(prefers-reduced-motion:reduce){
    .auth-page *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* OAuth provider identity without bypassing the shared theme system. */
.oauth-button--google .fa-google{
    color:#4285f4;
}
.oauth-button--github .fa-github{
    color:var(--text-primary);
}

/* reCAPTCHA v3 form state */
.recaptcha-client-error{
    margin:0;
    padding:10px 12px;
    border-radius:12px;
    border:1px solid color-mix(in srgb,#e55d68 38%,var(--border-soft));
    background:color-mix(in srgb,#e55d68 10%,var(--bg-card));
    color:#e55d68;
    font-size:11px;
    line-height:1.8;
    text-align:start;
}
.recaptcha-client-error[hidden]{display:none}
.auth-submit:disabled,.auth-secondary-button:disabled{
    cursor:wait;
    opacity:.72;
    transform:none;
}
.auth-submit.is-loading i{
    animation:auth-submit-spin .8s linear infinite;
}
@keyframes auth-submit-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){
    .auth-submit.is-loading i{animation:none}
}