*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}#root{min-height:100vh}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.login-box{background:white;padding:40px;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,0.3);width:100%;max-width:400px}.login-logo{text-align:center;margin-bottom:30px}.login-logo h1{font-size:32px;color:#333;margin-bottom:8px}.login-logo p{color:#666;font-size:14px}.login-form .form-group{margin-bottom:20px}.login-form label{display:block;margin-bottom:6px;font-weight:500;color:#333}.login-form input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color 0.2s}.login-form input:focus{outline:none;border-color:#667eea}.login-btn{width:100%;padding:14px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:white;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s}.login-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,0.4)}.login-btn:disabled{opacity:0.6;cursor:not-allowed;transform:none}.login-error{background:#fee;color:#c00;padding:12px;border-radius:8px;margin-bottom:20px;font-size:14px}.password-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:10000}.password-box{background:white;padding:30px;border-radius:12px;width:100%;max-width:400px}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;background:#f5f5f5}.spinner{width:50px;height:50px;border:4px solid #e0e0e0;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}