.auth-shell{min-height:100dvh;display:flex;flex-direction:column;background:var(--color-bg-base);color:var(--color-fg-default)}.auth-shell__header{padding:16px 20px}@media (min-width:768px){.auth-shell__header{padding:20px 32px}}.auth-shell__brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:18px;letter-spacing:-.01em;color:var(--color-fg-default);text-decoration:none}.auth-shell__back{font-size:18px;color:var(--color-fg-muted);transition:transform var(--motion-fast) var(--ease-out)}.auth-shell__brand:hover .auth-shell__back{transform:translateX(-2px);color:var(--color-fg-default)}.auth-shell__brand-accent{font-style:italic;color:var(--color-accent)}.auth-shell__main{flex:1 1;display:flex;align-items:flex-start;justify-content:center;padding:32px 20px 64px}@media (min-width:768px){.auth-shell__main{padding:64px 32px 96px;align-items:center}}.auth-shell__footer{padding:24px 20px 32px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;font-size:12px;color:var(--color-fg-subtle)}.auth-shell__footer a{color:var(--color-fg-muted);text-decoration:none}.auth-shell__footer a:hover{color:var(--color-fg-default);text-decoration:underline}.auth-shell__footer-sep{opacity:.5}.auth-card{width:100%;max-width:480px;gap:28px}.auth-card,.auth-card__hero{display:flex;flex-direction:column}.auth-card__hero{gap:12px}.auth-card__eyebrow{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-fg-muted)}.auth-card__title{font-family:var(--font-display);font-size:clamp(36px,7vw,52px);line-height:1.05;letter-spacing:-.03em;font-weight:500;color:var(--color-fg-default);max-width:14ch}.auth-card__title em{font-style:italic;color:var(--color-accent);font-weight:500}.auth-card__lead{font-size:15px;line-height:1.6;color:var(--color-fg-muted);max-width:36ch}.auth-card__form{display:flex;flex-direction:column;gap:16px}.auth-card__form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}@media (max-width:480px){.auth-card__form-row{grid-template-columns:1fr}}.auth-card__divider{position:relative;display:flex;align-items:center;justify-content:center;margin:4px 0;color:var(--color-fg-subtle);font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}.auth-card__divider:after,.auth-card__divider:before{content:"";flex:1 1;height:1px;background:var(--color-border-subtle)}.auth-card__divider span{padding:0 12px;background:var(--color-bg-base)}.auth-card__providers{display:flex;flex-direction:column;gap:10px}.auth-provider-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 20px;border-radius:var(--radius-xs);font-family:var(--font-body);font-size:14px;font-weight:500;letter-spacing:-.005em;cursor:pointer;transition:background-color var(--motion-fast) var(--ease-out),border-color var(--motion-fast) var(--ease-out),transform var(--motion-fast) var(--ease-out)}.auth-provider-btn:active:not(:disabled){transform:translateY(1px)}.auth-provider-btn:disabled{opacity:.5;cursor:not-allowed}.auth-provider-btn[data-provider=google]{background:#FFFFFF;color:#1F1F1F;border:1px solid #dadce0}.auth-provider-btn[data-provider=google]:hover:not(:disabled){background:#F8F9FA;border-color:#C0C4C8}.auth-provider-btn[data-provider=apple]{background:#000000;color:#FFFFFF;border:1px solid #000000}.auth-provider-btn[data-provider=apple]:hover:not(:disabled){background:#1A1A1A}[data-theme=dark] .auth-provider-btn[data-provider=apple]{background:#FFFFFF;color:#000000;border-color:#FFFFFF}[data-theme=dark] .auth-provider-btn[data-provider=apple]:hover:not(:disabled){background:#E8E8E8}.auth-provider-btn__icon{width:20px;height:20px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}.auth-card__legal{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.55;color:var(--color-fg-muted)}.auth-card__legal a{color:var(--color-fg-default);text-decoration:underline;-webkit-text-decoration-color:var(--color-border-default);text-decoration-color:var(--color-border-default);text-underline-offset:3px}.auth-card__footnote{font-size:14px;color:var(--color-fg-muted);text-align:center;padding-top:4px}.auth-card__footnote a{color:var(--color-fg-default);font-weight:500;text-decoration:none;border-bottom:1px solid var(--color-border-default);padding-bottom:1px}.auth-card__footnote a:hover{border-bottom-color:var(--color-accent);color:var(--color-accent)}.auth-notice{border-radius:var(--radius-sm);padding:16px 18px;display:flex;flex-direction:column;gap:8px;border:1px solid var(--color-border-subtle)}.auth-notice[data-tone=warning]{background:var(--state-warning-soft);border-color:rgba(193,154,77,.4)}.auth-notice[data-tone=danger]{background:var(--state-danger-soft);border-color:rgba(180,92,79,.4)}.auth-notice[data-tone=info]{background:var(--state-info-soft);border-color:rgba(92,122,139,.4)}.auth-notice__title{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--color-fg-default)}.auth-notice__body{font-size:13px;line-height:1.55;color:var(--color-fg-muted)}.auth-notice__body strong{color:var(--color-fg-default);font-weight:500}.auth-checks{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);background:var(--color-bg-subtle)}.auth-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.5;color:var(--color-fg-default);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.auth-check input{margin-top:2px;flex-shrink:0;width:16px;height:16px;accent-color:var(--color-accent);cursor:pointer}.auth-check__optional{color:var(--color-fg-subtle);font-size:12px;margin-left:4px}.auth-file{display:flex;flex-direction:column;gap:6px}.auth-file__label{font-size:13px;font-weight:500;color:var(--color-fg-default)}.auth-file__zone{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 16px;border:1.5px dashed var(--color-border-default);border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--motion-fast) var(--ease-out),background-color var(--motion-fast) var(--ease-out);font-size:13px;color:var(--color-fg-muted);text-align:center}.auth-file__zone:hover{border-color:var(--color-accent);background:var(--color-accent-soft);color:var(--color-fg-default)}.auth-file__zone[data-uploaded=true]{border-style:solid;border-color:var(--color-success);color:var(--color-fg-default)}.auth-file__input{display:none}.auth-verify-icon{width:64px;height:64px;border-radius:9999px;background:var(--color-accent-soft);color:var(--color-accent);display:inline-flex;align-items:center;justify-content:center;font-size:28px;font-family:var(--font-display);font-style:italic;margin-bottom:4px}.auth-verify__email{font-family:var(--font-mono);font-size:13px;color:var(--color-fg-default);background:var(--color-bg-subtle);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);padding:8px 12px;display:inline-block;margin-top:4px}