.signin-container{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10000;background:rgba(0,0,0,.6);justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.signin-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.2);border-radius:20px;width:100%;max-width:450px;max-height:90vh;padding:3rem;position:relative;overflow-y:auto;box-shadow:0 25px 50px rgba(0,0,0,.15)}.signin-header{text-align:center;margin-bottom:2rem}.signin-logo{object-fit:contain;width:12rem;height:12rem;margin:-70px auto -50px;display:block}.signin-title{color:#1f2937;margin-bottom:.5rem;font-size:2rem;font-weight:700}.signin-subtitle{color:#6b7280;font-size:1rem}.signin-form{flex-direction:column;gap:1.5rem;display:flex}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-label{color:#374151;font-size:.875rem;font-weight:600}.form-input{background:rgba(255,255,255,.8);border:2px solid #e5e7eb;border-radius:10px;padding:.875rem 1rem;font-size:1rem;transition:all .3s}.form-input:focus{background:#fff;border-color:#2563eb;outline:none;box-shadow:0 0 0 3px rgba(37,99,235,.1)}.form-error{color:#dc2626;margin-top:.25rem;font-size:.875rem}.signin-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2563eb,#7c3aed);border:none;border-radius:10px;margin-top:1rem;padding:1rem;font-size:1rem;font-weight:600;transition:all .3s}.signin-button:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(37,99,235,.3)}.signin-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.signin-footer{text-align:center;border-top:1px solid #e5e7eb;margin-top:2rem;padding-top:2rem}.signin-link{color:#2563eb;font-weight:600;text-decoration:none;transition:color .2s}.signin-link:hover{color:#1d4ed8}.signin-close{cursor:pointer;color:#374151;background:#eaeafa;border:none;border-radius:10px;justify-content:center;align-items:center;width:50px;height:50px;padding:.5rem;font-size:1.5rem;transition:all .2s;display:flex;position:absolute;top:1rem;right:1rem;box-shadow:0 5px 10px rgba(0,0,0,.1)}.signin-close:hover{color:#2563eb;background:#e5e7eb;transform:scale(1.05);box-shadow:0 4px 8px rgba(0,0,0,.15)}.signin-link{color:#2563eb;cursor:pointer;background:0 0;border:none;font-weight:600;transition:color .2s}