.signin__container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:2rem;max-width:500px;margin:0 auto}.signin__header{text-align:center;margin-bottom:3rem}.signin__title{font-size:2rem;font-weight:700;color:var(--light-bg__text-color--primary,#fff);margin-bottom:1rem;background:linear-gradient(135deg,var(--brand-primary,#ff6b35),var(--brand-secondary,#ff8c00));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.signin__subtitle{font-size:1.1rem;color:var(--light-bg__text-color--secondary,#ccc);line-height:1.5;margin-bottom:0}.signin__providers{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:300px}.signin__container .auth-button{width:100%;justify-content:center;padding:1rem 1.5rem;color:#000;font-size:1rem;font-weight:500;border-radius:var(--border-radius,6px);transition:all .3s ease;position:relative;overflow:hidden}.signin__container .auth-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.1),transparent);transition:left .5s ease}.signin__container .auth-button:hover:before{left:100%}.signin__container .auth-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.2)}@media (max-width:768px){.signin__container{padding:1rem;min-height:50vh}.signin__title{font-size:1.5rem}.signin__subtitle{font-size:1rem}.signin__header{margin-bottom:2rem}}.signin__error{max-width:800px;margin:0 auto;text-align:center}.signin__error--account-conflict{padding:2rem}.signin__error-icon{font-size:4rem;margin-bottom:1.5rem}.signin__error-title{font-size:2.5rem;font-weight:700;color:var(--light-bg__text-color--primary);margin:0 0 1rem}.signin__error-message{margin-bottom:2rem}.signin__error-message p{font-size:1.1rem;color:var(--light-bg__text-color--secondary);line-height:1.6;margin:0 0 1rem}.signin__error-solutions{margin-bottom:2rem}.signin__error-solutions h2{font-size:1.8rem;font-weight:600;color:var(--light-bg__text-color--primary);margin:0 0 1.5rem}.signin__error-solution-options{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.signin__error-solution-option{background:var(--light-background--secondary);border:1px solid var(--brand-tertiary--dark);border-radius:var(--border-radius);padding:1.5rem;text-align:left;transition:all .2s ease}.signin__error-solution-option:hover{border-color:var(--brand-primary);box-shadow:0 2px 8px rgba(0,0,0,.1)}.signin__error-solution-option h3{font-size:1.3rem;font-weight:600;color:var(--light-bg__text-color--primary);margin:0 0 .75rem}.signin__error-solution-option p{font-size:1rem;color:var(--light-bg__text-color--secondary);line-height:1.6;margin:0 0 1rem}.signin__error-button{padding:.75rem 1.5rem;border-radius:var(--border-radius);font-size:1rem;font-weight:500;text-decoration:none;text-align:center;cursor:pointer;transition:all .2s ease;border:1px solid transparent;min-width:120px;display:inline-block}.signin__error-button--primary{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}.signin__error-button--primary:hover{background:var(--brand-primary--dark);border-color:var(--brand-primary--dark)}.signin__error-button--secondary{background:var(--light-background--tertiary);color:var(--light-bg__text-color--primary);border-color:var(--brand-tertiary--dark)}.signin__error-button--secondary:hover{background:var(--brand-tertiary--dark);color:var(--light-bg__text-color--primary)}.signin__error-button--tertiary{background:var(--light-background--quaternary);color:var(--light-bg__text-color--primary);border-color:var(--brand-tertiary--dark)}.signin__error-button--tertiary:hover{background:var(--brand-tertiary--dark);color:var(--light-bg__text-color--primary)}.signin__error-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}@media (max-width:768px){.signin__error--account-conflict{padding:1rem}.signin__error-title{font-size:2rem}.signin__error-solutions h2{font-size:1.5rem}.signin__error-solution-options{gap:1rem}.signin__error-solution-option{padding:1rem}.signin__error-actions{flex-direction:column;align-items:center}.signin__error-button{width:100%;max-width:300px}}@media (prefers-color-scheme:dark){.signin__error-title{color:var(--dark-bg__text-color--primary)}.signin__error-message p{color:var(--dark-bg__text-color--secondary)}.signin__error-solutions h2{color:var(--dark-bg__text-color--primary)}.signin__error-solution-option{background:var(--dark-background--secondary);border-color:var(--dark-brand-tertiary--dark)}.signin__error-solution-option:hover{border-color:var(--brand-primary)}.signin__error-solution-option h3{color:var(--dark-bg__text-color--primary)}.signin__error-solution-option p{color:var(--dark-bg__text-color--secondary)}.signin__error-button--secondary{background:var(--dark-background--tertiary);color:var(--dark-bg__text-color--primary);border-color:var(--dark-brand-tertiary--dark)}.signin__error-button--secondary:hover{background:var(--dark-brand-tertiary--dark);color:var(--dark-bg__text-color--primary)}.signin__error-button--tertiary{background:var(--dark-background--quaternary);color:var(--dark-bg__text-color--primary);border-color:var(--dark-brand-tertiary--dark)}.signin__error-button--tertiary:hover{background:var(--dark-brand-tertiary--dark);color:var(--dark-bg__text-color--primary)}}