.signin-modal{position:relative;z-index:1;width:min(480px,100%);max-height:min(92vh,800px);overflow:auto;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--card);box-shadow:0 28px 72px rgba(0,0,0,.55);padding:var(--space-5) var(--space-5) var(--space-4);color:var(--text)}.signin-modal__header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-4)}.signin-modal__title{margin:0;font-size:var(--font-md);font-weight:650;letter-spacing:-.02em}.signin-modal__sub{margin:var(--space-1) 0 0;font-size:var(--font-sm);line-height:1.5;color:var(--muted)}.signin-modal__close{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--radius-sm);background:rgba(11,18,32,.65);color:var(--muted);font-size:var(--font-md);line-height:1;cursor:pointer}.signin-modal__error{margin-bottom:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);border:1px solid rgba(248,113,113,.2);background:rgba(248,113,113,.07);color:var(--danger);font-size:var(--font-xs)}.signin-modal__divider{display:flex;align-items:center;gap:var(--space-2);margin:var(--space-4) 0 var(--space-3)}.signin-modal__divider-line{flex:1 1;height:1px;background:var(--border)}.signin-modal__divider-label{font-size:var(--font-xs);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(154,167,191,.4)}.signin-modal__oauth-stack{display:flex;flex-direction:column;gap:var(--space-2)}.signin-oauth-btn.signin-modal__oauth-btn{display:flex;align-items:center;gap:var(--space-3);width:100%;height:52px;padding:0 var(--space-4);border-radius:var(--radius-md);border:1px solid rgba(28,47,78,.9);background:rgba(15,26,50,.65);color:var(--text-bright);font-family:inherit;font-size:var(--font-base);font-weight:600;cursor:pointer}.signin-oauth-btn.signin-modal__oauth-btn:hover{border-color:rgba(196,162,106,.28)}.signin-oauth-btn.signin-modal__oauth-btn:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-ring-offset)}.signin-modal__oauth-btn span{flex:1 1;text-align:left}.signin-modal__otc-toggle{margin-top:var(--space-3);width:100%;border:none;background:none;color:var(--muted);font-family:inherit;font-size:var(--font-xs);font-weight:500;text-decoration:underline;cursor:pointer}.signin-modal__otc{display:flex;flex-direction:column;gap:var(--space-2)}.signin-modal__otc-heading{margin:0;font-size:var(--font-md);font-weight:650}.signin-modal__otc-sub,.signin-modal__sent-note{margin:0;font-size:var(--font-sm);line-height:1.5;color:var(--muted)}.signin-modal__label{font-size:var(--font-xs);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(154,167,191,.6)}.signin-modal__input{font-family:inherit;font-size:var(--font-base);color:var(--text);background:rgba(11,18,32,.65);border:1px solid var(--border);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3)}.signin-modal__input--code{letter-spacing:.3em;text-align:center}.signin-modal__primary-btn{padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);border:1px solid rgba(196,162,106,.35);background:linear-gradient(160deg,var(--accent),color-mix(in srgb,var(--accent) 82%,black));color:var(--text-on-accent);font-size:var(--font-sm);font-weight:650;cursor:pointer;font-family:inherit}.signin-modal__link-btn{background:none;border:none;color:var(--accent);font-size:var(--font-xs);cursor:pointer;padding:0;font-family:inherit;text-align:left}.signin-modal__back-row{margin-top:var(--space-2);padding-top:var(--space-3);border-top:1px solid var(--border)}